Year Month Time Index Change 1949 1 1949.083333 16.5 1949 2 1949.166667 16.6 0.606060606 1949 3 1949.250000 16.4 -1.204819277 1949 4 1949.333333 16.7 1.829268293 1949 5 1949.416667 16.4 -1.796407186 1949 6 1949.500000 15.8 -3.658536585 1949 7 1949.583333 16.3 3.164556962 1949 8 1949.666667 16.3 0 1949 9 1949.750000 16.7 2.45398773 1949 10 1949.833333 16.7 0 1949 11 1949.916667 16.9 1.19760479 1949 12 1950.000000 17.4 2.958579882 1950 1 1950.083333 17.6 1.149425287 1950 2 1950.166667 18.2 3.409090909 1950 3 1950.250000 18.3 0.549450549 1950 4 1950.333333 18.5 1.092896175 1950 5 1950.416667 18.8 1.621621622 1950 6 1950.500000 19 1.063829787 1950 7 1950.583333 18.7 -1.578947368 1950 8 1950.666667 19.3 3.20855615 1950 9 1950.750000 19.6 1.554404145 1950 10 1950.833333 20 2.040816327 1950 11 1950.916667 20.8 4 1950 12 1951.000000 21.6 3.846153846 1951 1 1951.083333 23 6.481481481 1951 2 1951.166667 23.6 2.608695652 1951 3 1951.250000 23.3 -1.271186441 1951 4 1951.333333 23.6 1.287553648 1951 5 1951.416667 24.1 2.118644068 1951 6 1951.500000 24 -0.414937759 1951 7 1951.583333 24.6 2.5 1951 8 1951.666667 25.8 4.87804878 1951 9 1951.750000 26.6 3.100775194 1951 10 1951.833333 26.5 -0.37593985 1951 11 1951.916667 25 -5.660377358 1951 12 1952.000000 25.4 1.6 1952 1 1952.083333 25.6 0.787401575 1952 2 1952.166667 24.2 -5.46875 1952 3 1952.250000 22.7 -6.198347107 1952 4 1952.333333 22.1 -2.643171806 1952 5 1952.416667 23 4.07239819 1952 6 1952.500000 22.3 -3.043478261 1952 7 1952.583333 23 3.139013453 1952 8 1952.666667 23.2 0.869565217 1952 9 1952.750000 22.7 -2.155172414 1952 10 1952.833333 22.5 -0.881057269 1952 11 1952.916667 22.2 -1.333333333 1952 12 1953.000000 21.5 -3.153153153 1953 1 1953.083333 22.6 5.11627907 1953 2 1953.166667 22.8 0.884955752 1953 3 1953.250000 21.9 -3.947368421 1953 4 1953.333333 21.7 -0.913242009 1953 5 1953.416667 22.2 2.304147465 1953 6 1953.500000 22.5 1.351351351 1953 7 1953.583333 22.9 1.777777778 1953 8 1953.666667 23.3 1.746724891 1953 9 1953.750000 24 3.004291845 1953 10 1953.833333 23.8 -0.833333333 1953 11 1953.916667 24.1 1.260504202 1953 12 1954.000000 24.2 0.414937759 1954 1 1954.083333 25.1 3.719008264 1954 2 1954.166667 25.6 1.992031873 1954 3 1954.250000 26.6 3.90625 1954 4 1954.333333 27 1.503759398 1954 5 1954.416667 28.4 5.185185185 1954 6 1954.500000 29.3 3.169014085 1954 7 1954.583333 30 2.389078498 1954 8 1954.666667 30.6 2 1954 9 1954.750000 30.7 0.326797386 1954 10 1954.833333 30.8 0.325732899 1954 11 1954.916667 32 3.896103896 1954 12 1955.000000 32.2 0.625 1955 1 1955.083333 32 -0.621118012 1955 2 1955.166667 32.1 0.3125 1955 3 1955.25 32.5 1.246105919 1955 4 1955.333333 31.9 -1.846153846 1955 5 1955.416667 30.9 -3.134796238 1955 6 1955.5 30.1 -2.588996764 1955 7 1955.583333 31.5 4.651162791 1955 8 1955.666667 32 1.587301587 1955 9 1955.75 32.4 1.25 1955 10 1955.833333 30.1 -7.098765432 1955 11 1955.916667 30.4 0.996677741 1955 12 1956 30.1 -0.986842105 1956 1 1956.083333 30.9 2.657807309 1956 2 1956.166667 30.5 -1.294498382 1956 3 1956.25 29.8 -2.295081967 1956 4 1956.333333 29.9 0.33557047 1956 5 1956.416667 29.9 0 1956 6 1956.5 29.8 -0.334448161 1956 7 1956.583333 30.9 3.691275168 1956 8 1956.666667 30.9 0 1956 9 1956.75 30.2 -2.265372168 1956 10 1956.833333 29.6 -1.986754967 1956 11 1956.916667 28.6 -3.378378378 1956 12 1957 29.5 3.146853147 1957 1 1957.083333 30.5 3.389830508 1957 2 1957.166667 31 1.639344262 1957 3 1957.25 31.3 0.967741935 1957 4 1957.333333 31.7 1.277955272 1957 5 1957.416667 32.9 3.785488959 1957 6 1957.5 32.6 -0.911854103 1957 7 1957.583333 32.9 0.920245399 1957 8 1957.666667 32.6 -0.911854103 1957 9 1957.75 31 -4.90797546 1957 10 1957.833333 30.6 -1.290322581 1957 11 1957.916667 30.3 -0.980392157 1957 12 1958 30.2 -0.330033003 1958 1 1958.083333 31 2.649006623 1958 2 1958.166667 31 0 1958 3 1958.25 30.7 -0.967741935 1958 4 1958.333333 31.2 1.628664495 1958 5 1958.416667 32 2.564102564 1958 6 1958.5 33.1 3.4375 1958 7 1958.583333 34.6 4.531722054 1958 8 1958.666667 34.9 0.867052023 1958 9 1958.75 35.9 2.865329513 1958 10 1958.833333 35.6 -0.835654596 1958 11 1958.916667 35.1 -1.404494382 1958 12 1959 35 -0.284900285 1959 1 1959.083333 37.2 6.285714286 1959 2 1959.166667 37.9 1.88172043 1959 3 1959.25 37.2 -1.846965699 1959 4 1959.333333 39 4.838709677 1959 5 1959.416667 42.1 7.948717949 1959 6 1959.5 43 2.137767221 1959 7 1959.583333 46.3 7.674418605 1959 8 1959.666667 46.3 0 1959 9 1959.75 45.8 -1.079913607 1959 10 1959.833333 47.1 2.838427948 1959 11 1959.916667 47.6 1.061571125 1959 12 1960 50 5.042016807 1960 1 1960.083333 50.6 1.2 1960 2 1960.166667 48.2 -4.743083004 1960 3 1960.25 45.4 -5.809128631 1960 4 1960.333333 46.7 2.863436123 1960 5 1960.416667 47.8 2.355460385 1960 6 1960.5 48 0.418410042 1960 7 1960.583333 49.5 3.125 1960 8 1960.666667 51.6 4.242424242 1960 9 1960.75 51 -1.162790698 1960 10 1960.833333 49.8 -2.352941176 1960 11 1960.916667 50.6 1.606425703 1960 12 1961 50.3 -0.592885375 1961 1 1961.083333 50.3 0 1961 2 1961.166667 50 -0.596421471 1961 3 1961.25 49.8 -0.4 1961 4 1961.333333 51.9 4.21686747 1961 5 1961.416667 53.7 3.468208092 1961 6 1961.5 53.4 -0.558659218 1961 7 1961.583333 53 -0.74906367 1961 8 1961.666667 54.2 2.264150943 1961 9 1961.75 52.7 -2.767527675 1961 10 1961.833333 52.4 -0.569259962 1961 11 1961.916667 51.3 -2.099236641 1961 12 1962 50 -2.53411306 1962 1 1962.083333 49.8 -0.4 1962 2 1962.166667 50 0.401606426 1962 3 1962.25 49.7 -0.6 1962 4 1962.333333 49.3 -0.804828974 1962 5 1962.416667 47.9 -2.839756592 1962 6 1962.5 45.9 -4.175365344 1962 7 1962.583333 48.5 5.664488017 1962 8 1962.666667 48.5 0 1962 9 1962.75 46.7 -3.711340206 1962 10 1962.833333 45.4 -2.78372591 1962 11 1962.916667 45.6 0.440528634 1962 12 1963 45.8 0.438596491 1963 1 1963.083333 48.1 5.021834061 1963 2 1963.166667 49.5 2.910602911 1963 3 1963.25 49.4 -0.202020202 1963 4 1963.333333 50.7 2.631578947 1963 5 1963.416667 52.6 3.747534517 1963 6 1963.5 54.7 3.992395437 1963 7 1963.583333 56.5 3.290676417 1963 8 1963.666667 56 -0.884955752 1963 9 1963.75 55 -1.785714286 1963 10 1963.833333 57.2 4 1963 11 1963.916667 56.3 -1.573426573 1963 12 1964 56.7 0.710479574 1964 1 1964.083333 60.2 6.172839506 1964 2 1964.166667 59.2 -1.661129568 1964 3 1964.25 61.2 3.378378378 1964 4 1964.333333 61.3 0.163398693 1964 5 1964.416667 60 -2.120717781 1964 6 1964.5 59.8 -0.333333333 1964 7 1964.583333 61.7 3.177257525 1964 8 1964.666667 63.4 2.755267423 1964 9 1964.75 63.3 -0.157728707 1964 10 1964.833333 63.3 0 1964 11 1964.916667 64.2 1.421800948 1964 12 1965 65.9 2.647975078 1965 1 1965.083333 72.2 9.559939302 1965 2 1965.166667 70.1 -2.908587258 1965 3 1965.25 70 -0.142653352 1965 4 1965.333333 69 -1.428571429 1965 5 1965.416667 70.9 2.753623188 1965 6 1965.5 70.3 -0.846262341 1965 7 1965.583333 72.7 3.413940256 1965 8 1965.666667 73.9 1.650618982 1965 9 1965.75 72.1 -2.435723951 1965 10 1965.833333 70.6 -2.080443828 1965 11 1965.916667 70.9 0.424929178 1965 12 1966 70.8 -0.141043724 1966 1 1966.083333 69.2 -2.259887006 1966 2 1966.166667 68.6 -0.867052023 1966 3 1966.25 69.5 1.311953353 1966 4 1966.333333 64.6 -7.050359712 1966 5 1966.416667 65.5 1.393188854 1966 6 1966.5 66.9 2.13740458 1966 7 1966.583333 65 -2.840059791 1966 8 1966.666667 59.9 -7.846153846 1966 9 1966.75 60.4 0.834724541 1966 10 1966.833333 59.2 -1.986754967 1966 11 1966.916667 56.4 -4.72972973 1966 12 1967 54.7 -3.014184397 1967 1 1967.083333 58.3 6.581352834 1967 2 1967.166667 58.1 -0.343053173 1967 3 1967.25 58.6 0.860585198 1967 4 1967.333333 58.8 0.341296928 1967 5 1967.416667 58.5 -0.510204082 1967 6 1967.5 58 -0.854700855 1967 7 1967.583333 60.4 4.137931034 1967 8 1967.666667 62.1 2.814569536 1967 9 1967.75 60.6 -2.415458937 1967 10 1967.833333 60.5 -0.165016502 1967 11 1967.916667 58.7 -2.975206612 1967 12 1968 56.7 -3.407155026 1968 1 1968.083333 57.5 1.410934744 1968 2 1968.166667 58.3 1.391304348 1968 3 1968.25 59.5 2.058319039 1968 4 1968.333333 62.4 4.87394958 1968 5 1968.416667 66.1 5.929487179 1968 6 1968.5 67 1.361573374 1968 7 1968.583333 70.7 5.52238806 1968 8 1968.666667 70.2 -0.707213579 1968 9 1968.75 69.2 -1.424501425 1968 10 1968.833333 70.7 2.167630058 1968 11 1968.916667 73.9 4.526166902 1968 12 1969 76 2.841677943 1969 1 1969.083333 82.9 9.078947368 1969 2 1969.166667 83.6 0.844390832 1969 3 1969.25 83.8 0.23923445 1969 4 1969.333333 88.3 5.369928401 1969 5 1969.416667 89.3 1.132502831 1969 6 1969.5 87.1 -2.463605823 1969 7 1969.583333 80.4 -7.692307692 1969 8 1969.666667 79.6 -0.995024876 1969 9 1969.75 78.9 -0.879396985 1969 10 1969.833333 79.3 0.506970849 1969 11 1969.916667 78.1 -1.513240858 1969 12 1970 77.9 -0.256081946 1970 1 1970.083333 73.5 -5.648267009 1970 2 1970.166667 69.1 -5.986394558 1970 3 1970.25 70.6 2.170767004 1970 4 1970.333333 63.5 -10.05665722 1970 5 1970.416667 60.2 -5.196850394 1970 6 1970.5 64.8 7.641196013 1970 7 1970.583333 69.3 6.944444444 1970 8 1970.666667 65.2 -5.916305916 1970 9 1970.75 62.8 -3.680981595 1970 10 1970.833333 56.7 -9.713375796 1970 11 1970.916667 60.4 6.525573192 1970 12 1971 60.3 -0.165562914 1971 1 1971.083333 64.3 6.633499171 1971 2 1971.166667 67.1 4.354587869 1971 3 1971.25 68.7 2.384500745 1971 4 1971.333333 65.5 -4.657933042 1971 5 1971.416667 68.7 4.885496183 1971 6 1971.5 69.1 0.58224163 1971 7 1971.583333 68.8 -0.434153401 1971 8 1971.666667 68.5 -0.436046512 1971 9 1971.75 66.3 -3.211678832 1971 10 1971.833333 69 4.07239819 1971 11 1971.916667 72.8 5.507246377 1971 12 1972 73.2 0.549450549 1972 1 1972.083333 75.9 3.68852459 1972 2 1972.166667 75.2 -0.92226614 1972 3 1972.25 79 5.053191489 1972 4 1972.333333 81.1 2.658227848 1972 5 1972.416667 79.1 -2.466091245 1972 6 1972.5 78.6 -0.632111252 1972 7 1972.583333 81.1 3.180661578 1972 8 1972.666667 82.7 1.972872996 1972 9 1972.75 81.4 -1.571946796 1972 10 1972.833333 80.4 -1.228501229 1972 11 1972.916667 83.1 3.358208955 1972 12 1973 80.7 -2.888086643 1973 1 1973.083333 83.1 2.973977695 1973 2 1973.166667 83.8 0.842358604 1973 3 1973.25 82.9 -1.07398568 1973 4 1973.333333 85 2.533172497 1973 5 1973.416667 87.3 2.705882353 1973 6 1973.5 87.4 0.114547537 1973 7 1973.583333 86.8 -0.686498856 1973 8 1973.666667 83.5 -3.801843318 1973 9 1973.75 82.8 -0.838323353 1973 10 1973.833333 85.2 2.898550725 1973 11 1973.916667 79.7 -6.455399061 1973 12 1974 80.5 1.003764115 1974 1 1974.083333 86.2 7.080745342 1974 2 1974.166667 91.6 6.26450116 1974 3 1974.25 93.8 2.401746725 1974 4 1974.333333 95.3 1.599147122 1974 5 1974.416667 90.3 -5.246589717 1974 6 1974.5 89.9 -0.442967885 1974 7 1974.583333 91.5 1.779755284 1974 8 1974.666667 84.4 -7.759562842 1974 9 1974.75 81.6 -3.317535545 1974 10 1974.833333 86.6 6.12745098 1974 11 1974.916667 81.7 -5.658198614 1974 12 1975 79 -3.304773562 1975 1 1975.083333 86.7 9.746835443 1975 2 1975.166667 91.2 5.190311419 1975 3 1975.25 90.2 -1.096491228 1975 4 1975.333333 92.5 2.549889135 1975 5 1975.416667 91.3 -1.297297297 1975 6 1975.5 94.6 3.614457831 1975 7 1975.583333 96.6 2.114164905 1975 8 1975.666667 93.9 -2.795031056 1975 9 1975.75 99.1 5.537806177 1975 10 1975.833333 103.7 4.641775984 1975 11 1975.916667 100.8 -2.796528447 1975 12 1976 101.9 1.091269841 1976 1 1976.083333 105.2 3.238469087 1976 2 1976.166667 106.2 0.950570342 1976 3 1976.25 109.8 3.389830508 1976 4 1976.333333 120.3 9.56284153 1976 5 1976.416667 116.6 -3.075644223 1976 6 1976.5 117.3 0.600343053 1976 7 1976.583333 117.6 0.255754476 1976 8 1976.666667 109.9 -6.547619048 1976 9 1976.75 104.6 -4.822565969 1976 10 1976.833333 96.5 -7.743785851 1976 11 1976.916667 98.9 2.487046632 1976 12 1977 103.2 4.347826087 1977 1 1977.083333 97.4 -5.620155039 1977 2 1977.166667 104.9 7.700205339 1977 3 1977.25 106.8 1.811248808 1977 4 1977.333333 105.2 -1.498127341 1977 5 1977.416667 104.3 -0.855513308 1977 6 1977.5 95.1 -8.820709492 1977 7 1977.583333 92.4 -2.839116719 1977 8 1977.666667 87.4 -5.411255411 1977 9 1977.75 91.5 4.691075515 1977 10 1977.833333 86.3 -5.683060109 1977 11 1977.916667 80.4 -6.836616454 1977 12 1978 86.5 7.587064677 1978 1 1978.083333 94.8 9.595375723 1978 2 1978.166667 91.1 -3.902953586 1978 3 1978.25 97.3 6.805708013 1978 4 1978.333333 102.6 5.447070915 1978 5 1978.416667 99 -3.50877193 1978 6 1978.5 100.5 1.515151515 1978 7 1978.583333 106.9 6.368159204 1978 8 1978.666667 107.9 0.935453695 1978 9 1978.75 104.4 -3.243744208 1978 10 1978.833333 98.3 -5.842911877 1978 11 1978.916667 99.8 1.525940997 1978 12 1979 100.5 0.701402806 1979 1 1979.083333 108.9 8.358208955 1979 2 1979.166667 103.4 -5.050505051 1979 3 1979.25 102.9 -0.483558994 1979 4 1979.333333 98 -4.761904762 1979 5 1979.416667 99.1 1.12244898 1979 6 1979.5 96.9 -2.219979818 1979 7 1979.583333 98.6 1.754385965 1979 8 1979.666667 97.7 -0.912778905 1979 9 1979.75 96.5 -1.228249744 1979 10 1979.833333 96.4 -0.103626943 1979 11 1979.916667 98.5 2.178423237 1979 12 1980 100 1.52284264 1980 1 1980.083333 105.8 5.8 1980 2 1980.166667 105.4 -0.378071834 1980 3 1980.25 104.4 -0.948766603 1980 4 1980.333333 105.9 1.436781609 1980 5 1980.416667 106 0.094428706 1980 6 1980.5 107.1 1.037735849 1980 7 1980.583333 108.1 0.933706816 1980 8 1980.666667 104.9 -2.960222017 1980 9 1980.75 103.8 -1.048617731 1980 10 1980.833333 111.3 7.225433526 1980 11 1980.916667 117.8 5.840071878 1980 12 1981 122.6 4.074702886 1981 1 1981.083333 122.8 0.163132137 1981 2 1981.166667 135.2 10.09771987 1981 3 1981.25 142.4 5.325443787 1981 4 1981.333333 138.1 -3.019662921 1981 5 1981.416667 150.4 8.906589428 1981 6 1981.5 167.2 11.17021277 1981 7 1981.583333 177.3 6.040669856 1981 8 1981.666667 176.7 -0.338409475 1981 9 1981.75 166.2 -5.942275042 1981 10 1981.833333 182.5 9.80746089 1981 11 1981.916667 195.9 7.342465753 1981 12 1982 192.3 -1.837672282 1982 1 1982.083333 192 -0.15600624 1982 2 1982.166667 190.3 -0.885416667 1982 3 1982.25 185.1 -2.732527588 1982 4 1982.333333 176.7 -4.53808752 1982 5 1982.416667 183.1 3.621958121 1982 6 1982.5 183.5 0.218459858 1982 7 1982.583333 191.6 4.414168937 1982 8 1982.666667 190.8 -0.417536534 1982 9 1982.75 202.9 6.341719078 1982 10 1982.833333 219.5 8.181370133 1982 11 1982.916667 245 11.61731207 1982 12 1983 259.6 5.959183673 1983 1 1983.083333 298.5 14.98459168 1983 2 1983.166667 353.5 18.42546064 1983 3 1983.25 355.7 0.622347949 1983 4 1983.333333 385.1 8.265392184 1983 5 1983.416667 381.4 -0.960789405 1983 6 1983.5 367.1 -3.74934452 1983 7 1983.583333 399.6 8.853173522 1983 8 1983.666667 432.2 8.158158158 1983 9 1983.75 425 -1.665895419 1983 10 1983.833333 418.1 -1.623529412 1983 11 1983.916667 449.6 7.534082755 1983 12 1984 430.3 -4.292704626 1984 1 1984.083333 469.7 9.15640251 1984 2 1984.166667 459 -2.278049819 1984 3 1984.25 476.1 3.725490196 1984 4 1984.333333 456.7 -4.074774207 1984 5 1984.416667 417.7 -8.539522663 1984 6 1984.5 431.3 3.255925305 1984 7 1984.583333 432.9 0.370971482 1984 8 1984.666667 424.1 -2.032802033 1984 9 1984.75 406.1 -4.244282009 1984 10 1984.833333 398.1 -1.969958138 1984 11 1984.916667 380.7 -4.370761115 1984 12 1985 382.3 0.420278434 1985 1 1985.083333 403.8 5.623855611 1985 2 1985.166667 395.7 -2.005943536 1985 3 1985.25 387.7 -2.021733637 1985 4 1985.333333 398.8 2.863038432 1985 5 1985.416667 373.6 -6.318956871 1985 6 1985.5 367.4 -1.659528908 1985 7 1985.583333 378 2.885138813 1985 8 1985.666667 377.2 -0.211640212 1985 9 1985.75 381.8 1.219512195 1985 10 1985.833333 397.2 4.033525406 1985 11 1985.916667 440.1 10.80060423 1985 12 1986 479.7 8.99795501 1986 1 1986.083333 491.6 2.480717115 1986 2 1986.166667 507.9 3.315703824 1986 3 1986.25 575.5 13.30970664 1986 4 1986.333333 611.8 6.307558645 1986 5 1986.416667 653.9 6.881333769 1986 6 1986.5 663.9 1.529285824 1986 7 1986.583333 689.1 3.795752372 1986 8 1986.666667 701.5 1.799448556 1986 9 1986.75 703.1 0.22808268 1986 10 1986.833333 758 7.808277628 1986 11 1986.916667 727.1 -4.07651715 1986 12 1987 724.5 -0.357584926 1987 1 1987.083333 638.8 -11.82884748 1987 2 1987.166667 723.8 13.30619912 1987 3 1987.25 756 4.448742747 1987 4 1987.333333 819.7 8.425925926 1987 5 1987.416667 788 -3.867268513 1987 6 1987.5 803 1.903553299 1987 7 1987.583333 870.3 8.381070984 1987 8 1987.666667 895.8 2.93002413 1987 9 1987.75 951.7 6.240232195 1987 10 1987.833333 756.5 -20.51066513 1987 11 1987.916667 648.8 -14.23661599 1987 12 1988 667.5 2.882244143 1988 1 1988.083333 747.5 11.98501873 1988 2 1988.166667 765.6 2.421404682 1988 3 1988.25 790.5 3.252351097 1988 4 1988.333333 812.4 2.770398482 1988 5 1988.416667 858.5 5.674544559 1988 6 1988.5 851.8 -0.780430984 1988 7 1988.583333 888.4 4.296783282 1988 8 1988.666667 857.7 -3.455650608 1988 9 1988.75 907.2 5.771248688 1988 10 1988.833333 951.8 4.91622575 1988 11 1988.916667 956.7 0.514814037 1988 12 1989 1013.8 5.968433156 1989 1 1989.083333 1073.1 5.849279937 1989 2 1989.166667 1081.8 0.810735253 1989 3 1989.25 1129.1 4.372342392 1989 4 1989.333333 1135.4 0.557966522 1989 5 1989.416667 1175.5 3.531794962 1989 6 1989.5 1225 4.210974054 1989 7 1989.583333 1310.1 6.946938776 1989 8 1989.666667 1349 2.969238989 1989 9 1989.75 1285.1 -4.736842105 1989 10 1989.833333 1204 -6.310792934 1989 11 1989.916667 1171.8 -2.674418605 1989 12 1990 1262 7.69755931 1990 1 1990.083333 1238.8 -1.838351823 1990 2 1990.166667 1175.1 -5.142072974 1990 3 1990.25 1142.2 -2.799761722 1990 4 1990.333333 1152.9 0.936788653 1990 5 1990.416667 1265.7 9.784022899 1990 6 1990.5 1309.7 3.476337205 1990 7 1990.583333 1314.7 0.381766817 1990 8 1990.666667 1159.6 -11.79736822 1990 9 1990.75 910 -21.52466368 1990 10 1990.833333 900.4 -1.054945055 1990 11 1990.916667 842.3 -6.452687694 1990 12 1991 870 3.288614508 1991 1 1991.083333 970.6 11.56321839 1991 2 1991.166667 1070.1 10.25139089 1991 3 1991.25 1093.7 2.205401364 1991 4 1991.333333 1046.2 -4.343055683 1991 5 1991.416667 1108.8 5.983559549 1991 6 1991.5 1130.9 1.993145743 1991 7 1991.583333 1116.6 -1.264479618 1991 8 1991.666667 1097.5 -1.710549884 1991 9 1991.75 1035.3 -5.667425968 1991 10 1991.833333 1015.7 -1.893171062 1991 11 1991.916667 954.8 -5.995864921 1991 12 1992 917.6 -3.896103896 1992 1 1992.083333 970.1 5.721447254 1992 2 1992.166667 940.4 -3.061540047 1992 3 1992.25 999.9 6.327094853 1992 4 1992.333333 981.5 -1.840184018 1992 5 1992.416667 991.5 1.018848701 1992 6 1992.5 913 -7.917297025 1992 7 1992.583333 861.7 -5.618838992 1992 8 1992.666667 772.7 -10.32842056 1992 9 1992.75 696.6 -9.848582891 1992 10 1992.833333 706.9 1.478610393 1992 11 1992.916667 901.4 27.51449993 1992 12 1993 912.6 1.242511649 1993 1 1993.083333 895 -1.928555775 1993 2 1993.166667 1000.1 11.74301676 1993 3 1993.25 994.5 -0.559944006 1993 4 1993.333333 1030.5 3.619909502 1993 5 1993.416667 1097 6.453178069 1993 6 1993.5 1083 -1.27620784 1993 7 1993.583333 1203 11.08033241 1993 8 1993.666667 1281.4 6.517040732 1993 9 1993.75 1294.8 1.045731231 1993 10 1993.833333 1426.2 10.14828545 1993 11 1993.916667 1303.6 -8.596269808 1993 12 1994 1402.8 7.609696226 1994 1 1994.083333 1603.9 14.33561449 1994 2 1994.166667 1538.9 -4.052621735 1994 3 1994.25 1403.6 -8.791994282 1994 4 1994.333333 1483.4 5.68538045 1994 5 1994.416667 1479 -0.296615882 1994 6 1994.5 1372.4 -7.207572684 1994 7 1994.583333 1464.1 6.681725444 1994 8 1994.666667 1452.5 -0.792295608 1994 9 1994.75 1412.4 -2.760757315 1994 10 1994.833333 1485 5.140186916 1994 11 1994.916667 1506.8 1.468013468 1994 12 1995 1470.8 -2.3891691 1995 1 1995.083333 1513.4 2.896382921 1995 2 1995.166667 1511.8 -0.105722215 1995 3 1995.25 1458.6 -3.518983993 1995 4 1995.333333 1566.3 7.383792678 1995 5 1995.416667 1580.7 0.919364106 1995 6 1995.5 1643 3.941291833 1995 7 1995.583333 1710.1 4.083992696 1995 8 1995.666667 1720.9 0.631542015 1995 9 1995.75 1842.3 7.054448254 1995 10 1995.833333 1714.2 -6.953264941 1995 11 1995.916667 1740.9 1.557577879 1995 12 1996 1735.7 -0.298696077 1996 1 1996.083333 1765.7 1.728409287 1996 2 1996.166667 1865.4 5.646485813 1996 3 1996.25 1898 1.747614453 1996 4 1996.333333 1933 1.844046365 1996 5 1996.416667 1970.2 1.924469736 1996 6 1996.5 1981.6 0.57862146 1996 7 1996.583333 1899.6 -4.138070246 1996 8 1996.666667 2004.4 5.516950937 1996 9 1996.75 2091.3 4.335461984 1996 10 1996.833333 2139.3 2.295223067 1996 11 1996.916667 2312.3 8.086757351 1996 12 1997 2402.9 3.918176707 1997 1 1997.083333 2572 7.037329893 1997 2 1997.166667 2687.9 4.50622084 1997 3 1997.25 2783.4 3.55295956 1997 4 1997.333333 2679.8 -3.722066537 1997 5 1997.416667 2835.7 5.817598328 1997 6 1997.5 3024 6.64033572 1997 7 1997.583333 3192.2 5.562169312 1997 8 1997.666667 3040.4 -4.755341144 1997 9 1997.75 3246.3 6.772135245 1997 10 1997.833333 2881.7 -11.23124788 1997 11 1997.916667 3023.7 4.927646875 1997 12 1998 2999.9 -0.787115124 1998 1 1998.083333 3103.4 3.450115004 1998 2 1998.166667 3336.6 7.514339112 1998 3 1998.25 3549.2 6.371755679 1998 4 1998.333333 3591.5 1.191817874 1998 5 1998.416667 3722.4 3.644716692 1998 6 1998.5 3754.7 0.867719751 1998 7 1998.583333 3737 -0.471409167 1998 8 1998.666667 3197.4 -14.43938988 1998 9 1998.75 2867.9 -10.30524801 1998 10 1998.833333 2993.5 4.379511141 1998 11 1998.916667 3404.4 13.72640722 1998 12 1999 3314.7 -2.63482552 1999 1 1999.083333 3392.9 2.35918786 1999 2 1999.166667 3442.6 1.464823602 1999 3 1999.25 3507.6 1.888107825 1999 4 1999.333333 3680.5 4.929296385 1999 5 1999.416667 3672 -0.230946882 1999 6 1999.5 3873.4 5.484749455 1999 7 1999.583333 3849.4 -0.619610678 1999 8 1999.666667 3922.6 1.901595054 1999 9 1999.75 3916.4 -0.158058431 1999 10 1999.833333 3916.9 0.012766827