1895	66.433
1896	63.333
1897	66.933
1898	65.853
1899	65.083
1900	65.793
1901	63.743
1902	63.123
1903	63.233
1904	65.463
1905	66.463
1906	66.743
1907	64.673
1908	66.003
1909	64.843
1910	66.183
1911	66.583
1912	63.213
1913	64.183
1914	65.053
1915	64.963
1916	64.123
1917	64.743
1918	62.363
1919	66.113
1920	65.793
1921	66.983
1922	67.743
1923	65.553
1924	63.243
1925	67.153
1926	64.523
1927	65.513
1928	63.713
1929	63.923
1930	66.253
1931	68.673
1932	65.223
1933	68.233
1934	64.403
1935	65.283
1936	66.863
1937	66.233
1938	67.213
1939	67.903
1940	65.903
1941	65.123
1942	64.273
1943	64.813
1944	65.783
1945	65.463
1946	65.093
1947	67.083
1948	66.623
1949	64.293
1950	64.093
1951	64.563
1952	66.433
1953	66.653
1954	67.033
1955	66.423
1956	65.633
1957	64.733
1958	66.043
1959	65.313
1960	66.933
1961	64.013
1962	64.713
1963	66.903
1964	64.263
1965	62.333
1966	65.103
1967	64.633
1968	64.453
1969	66.113
1970	65.163
1971	64.953
1972	65.053
1973	64.943
1974	62.843
1975	63.463
1976	64.803
1977	66.463
1978	66.473
1979	66.663
1980	66.763
1981	65.453
1982	64.603
1983	66.173
1984	63.723
1985	63.343
1986	64.393
1987	65.713
1988	65.073
1989	64.543
1990	67.863
1991	65.443
1992	65.133
1993	63.833
1994	66.013
1995	65.203
1996	64.073
1997	67.013
1998	69.523
1999	64.753
2000	66.153