year close change 1896 40.5 0 1897 49.4 22.15 1898 60.5 22.49 1899 66.1 9.19 1900 70.7 7.01 1901 64.6 -8.7 1902 64.3 -.42 1903 49.1 -23.61 1904 69.6 41.74 1905 96.2 38.2 1906 94.4 -1.92 1907 58.8 -37.73 1908 86.2 46.64 1909 99.1 14.97 1910 81.4 -17.86 1911 81.7 .39 1912 87.9 7.58 1913 78.8 -10.34 1914 54.6 -30.72 1915 99.2 81.66 1916 95 -4.19 1917 74.4 -21.71 1918 82.2 10.51 1919 107.2 30.45 1920 72 -32.9 1921 81.1 12.72 1922 98.7 21.74 1923 95.5 -3.25 1924 120.5 26.16 1925 156.7 30 1926 157.2 .34 1927 202.4 28.75 1928 300 48.22 1929 248.5 -17.17 1930 164.6 -33.77 1931 77.9 -52.67 1932 59.9 -23.07 1933 99.9 66.69 1934 104 4.14 1935 144.1 38.53 1936 179.9 24.82 1937 120.9 -32.82 1938 154.8 28.06 1939 150.2 -2.92 1940 131.1 -12.72 1941 111 -15.38 1942 119.4 7.61 1943 135.9 13.81 1944 152.3 12.09 1945 192.9 26.65 1946 177.2 -8.14 1947 181.2 2.23 1948 177.3 -2.13 1949 200.1 12.88 1950 235.4 17.63 1951 269.2 14.37 1952 291.9 8.42 1953 280.9 -3.77 1954 404.4 43.96 1955 488.4 20.77 1956 499.5 2.27 1957 435.7 -12.77 1958 583.7 33.96 1959 679.4 16.4 1960 615.9 -9.34 1961 731.1 18.71 1962 652.1 -10.81 1963 763 17 1964 874.1 14.57 1965 969.3 10.88 1966 785.7 -18.94 1967 905.1 15.2 1968 943.8 4.27 1969 800.4 -15.19 1970 838.9 4.82 1971 890.2 6.11 1972 1020 14.58 1973 850.9 -16.58 1974 616.2 -27.57 1975 852.4 38.32 1976 1004.7 17.86 1977 831.2 -17.27 1978 805 -3.15 1979 838.7 4.19 1980 964 14.93 1981 875 -9.23 1982 1046.5 19.6 1983 1258.6 20.27 1984 1211.6 -3.74 1985 1546.7 27.66 1986 1896 22.58 1987 1938.8 2.26 1988 2168.6 11.85 1989 2753.2 26.96 1990 2633.7 -4.34 1991 3168.8 20.32 1992 3301.1 4.17 1993 3754.1 13.72 1994 3834.4 2.14 1995 5117.1 33.45 1996 6448.3 26.01 1997 7908.3 22.64 1998 9181.4 16.1 1999 11497.1 25.22 2000 10786.9 -6.18