1901,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1902,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1903,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1904,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1905,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1906,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1907,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1908,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1909,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1910,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1911,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1912,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1913,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1914,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1915,8.9,9,9.2,9.4,9.5,9,8.6,8.5,8.4,8.8,8.3,8.7
1916,9,9,9.2,9.6,9.4,8.9,8.5,8.2,8.4,8.5,8.2,8.4
1917,8.8,8.7,9.1,9.3,9.1,8.7,8.4,8.1,8.2,8.5,8.2,8.4
1918,8.8,8.9,9,9.3,9,8.6,8.4,8.3,8.3,8.6,8.2,8.5
1919,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1920,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1921,8.9,8.9,8.9,9.2,9,8.7,8.3,8.1,8.3,8.3,8.1,8.4
1922,8.9,9,9.2,9.4,9.2,8.8,8.4,8.2,8.3,8.5,8.2,8.5
1923,8.6,9,9.2,9.2,8.9,8.9,7.9,8.1,8.4,8.3,8.2,8.3
1924,9.4,9,9.4,9.5,9.3,8.6,8.3,8.2,7.9,8.2,7.9,8.4
1925,8.5,8.5,8.7,9.2,9.2,8.6,8.3,8,8.3,8.6,8.1,8.5
1926,9.1,9.2,9.5,9.8,9.4,9.1,8.4,8.2,8.3,8.5,8.3,8.3
1927,8.7,8.8,9.2,9.4,9.2,8.8,8.1,8.3,8.3,8.3,8.4,8.7
1928,8.9,9.1,9,9.5,9.2,8.8,8.3,8.2,8.3,8.5,8.2,8.3
1929,9.1,9.1,9,9.5,9.1,8.7,8,8.2,8.4,8.5,8.3,8.7
1930,8.3,9,9.1,9.5,9.1,8.5,8.2,7.9,7.9,8.6,8.6,8.6
1931,9.1,9.4,9.6,9.7,9.6,9.1,8.6,8.1,8.5,8.4,8,8.9
1932,9.4,9.3,9.3,10.1,9.4,9,8.1,8.6,8.2,8.7,8.4,8.7
1933,9.7,9.2,9.4,9.4,9.4,8.9,8.8,7.7,7.9,7.9,8.1,8.2
1934,8.4,8.4,8.5,9,8.6,8.9,8,7.9,8.5,8.1,7.9,8.4
1935,8.6,8.6,9.3,9,8.9,8.7,8,8.2,7.5,8.5,8.1,8.6
1936,8.9,8.7,9.5,9.2,9.2,8.4,7.9,7.6,7.9,8.2,8.5,8.1
1937,8.7,9,9.3,9,8.8,8.8,8.4,8.2,8.1,8.1,8.1,8.3
1938,8.7,8.9,9,9.3,9,8.5,8.1,8.1,7.8,8.3,7.9,8.3
1939,8.3,8.9,9.1,9.1,8.8,8.7,8,8.3,8.4,8.2,8.2,8.5
1940,7.7,8,7.7,9.5,8.9,8.4,8.2,8.3,7.9,8.3,7.8,7.4
1941,9,9.3,9.3,9.2,9.4,8.7,7.9,8.4,8.6,8.6,8.3,8.8
1942,8.8,8.9,9.1,9,8.6,8,7.6,7.6,8,8.1,7.9,8.2
1943,10.2,8.4,10.3,10.3,8.5,8,9.1,7.3,7.8,9.4,7.7,9.5
1944,10,9.7,10.1,10.6,9.5,9,9.9,9.1,9.4,9.1,8.8,9
1945,9.8,10.2,10.1,8.9,8.4,9.2,8.5,8.9,9,9.1,9,8.7
1946,8.4,9.3,9.7,10.1,9.6,9.4,8.7,8.5,8.6,8.8,8.7,8.7
1947,9,9,9,9.5,9,8.6,8.1,8.1,8.2,8.5,8,8.5
1948,9,8.7,9.1,9.5,9.9,8.9,8.5,9,8.8,8.1,8.4,8.3
1949,8.5,9.2,9.7,9.4,8.8,8.3,7.6,7.7,7.3,7.9,8.2,7.4
1950,7.2,7.5,7.4,7.6,8.4,6.8,6.6,7,8.4,8,8.2,8.4
1951,7.6,8.6,8.5,9,9.4,9.8,8.8,8.4,8.5,8.5,8.1,8.3
1952,8.5,8.7,9.2,9.1,9.4,8.3,7.8,7.9,7.7,7.9,7.3,8
1953,7.8,8.3,8.2,8.6,8.4,8.1,6.9,9.2,6.8,7.6,8,7.3
1954,8.6,8.6,8.8,9.1,8.2,7.6,7.5,7.2,7.4,7.6,8,8.3
1955,7.9,8.8,8.6,8.5,8.6,7.9,7.8,7.6,7.7,7.9,7.5,7.4
1956,7.6,8.3,9.1,9.1,8.5,8.2,7.8,8,7.6,7.9,7.4,8
1957,8.4,8.5,8.5,8.8,9.9,9.5,9.6,9.2,8.8,9,8.4,9.3
1958,7.9,9,9,9.2,9.2,8.9,8,7.8,7.6,7.9,7.5,8
1959,9.1,8.2,9.1,9.2,8.6,8,7.6,7.8,7.4,7.9,7.5,8.3
1960,8.3,8.5,8.2,8.5,8.4,7.4,7.7,7.4,7.5,7.3,7.6,8.5
1961,8.6,8.4,8.2,8.7,9.4,8.5,8.2,7.8,7.8,8.4,8.5,8.6
1962,9.2,9.1,8.7,8.8,9,7.9,8.6,8.4,8.2,8.5,8.5,8.6
1963,8.8,8.9,8.6,8.9,9,8.7,8.7,8.6,8.2,8,7.9,8.6
1964,8.5,9.4,8.8,9.3,9,8.5,7.8,7.8,7.5,7.8,8,8
1965,9.4,8.1,8.2,8.9,9,8.2,8.2,7.4,7.6,8.2,7.9,8.4
1966,8.9,8.2,8.5,9.3,9.1,8.5,8.6,8.3,8.2,8.5,8.2,8.3
1967,8.8,9,8.6,9.1,9,7.9,7.8,7.1,7.3,7.9,7.2,7.8
1968,8.1,8.5,8.7,9,7.7,7.7,8.1,7.9,8.8,7.6,6.9,7.5
1969,8.2,8.8,9.1,9.7,9.7,9.3,7.7,7.8,7.9,7.9,7.8,7.8
1970,8.7,9,9.2,9,8.8,8.6,8.3,8,8,8.2,7.4,8.2
1971,8.3,8.1,8,8.1,8.1,8.1,7.7,7.9,7.8,7.6,7.3,8
1972,8.8,8.7,8.6,10,10.4,9.6,9.6,9.9,8.6,9.3,8.2,9.5
1973,8.9,8.7,9.2,8.9,8.7,8.8,7.3,7.1,8.5,7.8,7.4,6.9
1974,8.1,8,8,8.4,8.6,8.9,7.4,8.1,7.7,7.7,8,7.8
1975,8.1,8.4,9,9.1,8.6,8.1,7.3,8.3,7.7,7.9,7.4,7.6
1976,7.8,8.4,9,9,9.2,9.2,8.7,7.9,7.5,8.2,7.9,8.4
1977,8.3,8.7,9.2,8.9,8.9,8.9,8.5,8.4,8.3,8.9,8.7,9.2
1978,8.6,9.4,9,8.4,8.9,8.5,8,7,7.7,8.7,8.8,8.7
1979,8.9,8.6,9.3,9.1,9.2,8.7,8.1,8.3,8.5,8.2,7.9,7.6
1980,8.3,8.5,9.3,9.5,8.9,8.6,8.2,7.5,7.7,8.5,7.6,7.7
1981,8.8,9.3,10.3,10.2,9.3,9.2,8.4,8.4,8.4,8.8,8.6,9.2
1982,9.5,10.2,10.4,10.1,9.8,9.4,9.3,8.6,9.1,9.5,10,9.6
1983,10.1,10.7,10.8,10.6,10.1,9.9,9.7,8.8,8.2,8.3,8.4,8.5
1984,7.4,8.8,9.6,9.6,8.7,9.1,7.9,8.1,8.3,8.7,8,8.7
1985,8.3,8.2,9.6,9.4,8.4,8.5,7.5,8.1,8.2,8.4,8,8.1
1986,9,9,9.7,9.8,9.1,8.6,8.1,8.6,8.3,9.2,8.5,9.3
1987,9.5,9.3,9.9,10,9.1,9.3,9.1,9.3,9,9.2,8.9,9.2
1988,9.6,9.9,10.5,10.5,10,8.8,8.6,8,8.9,8.9,8.3,9.1
1989,8.7,8.4,9.7,10.3,9,8.8,8.4,8.4,8.6,9.1,9.3,8.4
1990,9.6,9.3,10.4,10.5,9.6,9.6,9,8.4,8.7,8.8,8.6,8.7
1991,8.8,9.3,10,9.8,9.9,10.2,9.3,8.3,8.5,8.3,9,9.3
1992,9.4,9.5,9.5,10.1,9.7,9.3,8.7,9.1,8.4,8.4,8.5,9.2
1993,9.4,8.8,8.7,9.2,9.5,9.8,9.3,8.5,8.5,8.9,8.4,9
1994,8.6,8.9,8.9,9.1,9.1,9.1,8.6,7.9,8.6,8.9,9.1,9
1995,9.4,9.2,9.4,8.9,9.8,9.3,8.9,8.6,9.4,9.3,8.9,8.7
1996,8.4,9.2,9.4,9.7,9.3,8.9,9.2,9.1,8.7,9,8.6,9.2
1997,8.6,9.6,10.5,10,10.3,10.2,11,8.9,9.8,10.5,9.1,9.8
1998,11.5,10.8,11.8,10.9,11,10.6,9.3,9.3,8.5,9.7,8.6,8.8
1999,8.9,8.9,9.2,9.2,8.8,8.7,7.9,8.3,8.2,8.1,8.1,7.9
2000,8,7.2,7.4,7.9,8.8,8.6,8.3,8.3,7.9,8.9,8.4,8.5
2001,9.4,9.9,8.4,9.2,8.3,7.6,7.8,8.1,7.5,8.2,7.9,8.1
2002,8.5,9.1,9.3,9.7,9.6,8,8.1,8.3,8,9.3,9.6,9.6
2003,9.2,9.1,9.7,9.3,8.9,7.9,8,7.9,8.4,9.2,7.9,8.3
2004,9.4,9.9,10.7,9.4,8.3,8.1,7.5,8,7.7,9.3,7.9,9.1
2005,8.6,9.8,9.8,9.8,8.6,8.3,8.1,7.8,7.6,8.3,7,7.2
2006,8.3,8.4,9.7,9.1,9,9.1,9.4,8.4,8.3,9.4,8.2,8.4
2007,9.4,9.1,9.6,9.3,8.8,7.7,7.7,6.8,7.3,7.5,7.2,7
2008,8.5,8.5,9,8.6,8.2,8.2,8.2,7.7,8.2,8.4,8,8.3
2009,8.7,8.8,8.6,10.3,9.9,9.9,9.7,9.6,9.4,9.3,9.1,9.1
