1901,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1902,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1903,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1904,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1905,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1906,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1907,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1908,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1909,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1910,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1911,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1912,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1913,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1914,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1915,6.5,6.7,7.6,8.3,9.4,8.8,8.3,10.2,7.9,9,8.4,7.5
1916,6.7,6.7,7.5,9,9.2,8.5,7.9,9,7.8,7.9,7.8,6.6
1917,6,5.7,7.4,8.3,8.4,7.6,7.5,8.9,7.3,7.9,7.8,6.8
1918,6.3,6.4,6.6,7.8,7.5,7.4,7.4,9.4,7.4,8.3,7.8,6.9
1919,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1920,6.5,6.7,7.6,8.3,8.5,8.1,7.4,9.1,7.3,7.9,7.9,6.9
1921,6.6,6.5,6.7,7.7,7.8,7.6,7.3,8.6,7.2,7.2,7.6,6.7
1922,6.4,6.3,6.9,8.2,8.1,7.3,6.9,8.9,7.1,7.5,7.2,6.4
1923,5.8,6.3,7.3,7.9,7.9,8.1,6.5,8.8,7.5,7.5,8,6.5
1924,7.2,6.7,8.2,8.7,8.8,7.6,6.9,9.1,6.4,7.3,7.3,6.5
1925,5.6,5.6,6.5,7.9,8.5,7.7,7.1,8.7,7.2,8.2,7.6,7
1926,6.8,7.1,8.2,9.2,9.1,8.7,7.4,9,7.1,7.9,8,6.4
1927,6,6.2,7.4,7.9,8.2,7.8,6.6,9.2,7.2,7.6,8.2,7.1
1928,6.4,6.9,7.2,8.4,8.4,7.9,7.2,8.9,7.2,7.8,7.8,6.5
1929,6.6,6.8,7.3,8.3,8.2,7.8,6.7,9.1,7.4,8,8,7.1
1930,5.7,6.5,7.7,8.4,8.2,7.6,7,8.5,6.8,7.8,8.4,7.2
1931,6.9,7.3,8.3,9,9.1,8.7,7.5,9,7.5,7.8,7.7,7.3
1932,7,7,7.5,9.3,8.6,8.2,7,9.5,7.2,7.7,8.1,7
1933,7.3,6.6,7.9,8.4,8.7,8.2,7.9,8.5,7.3,6.8,7.5,6.4
1934,5.8,5.8,6.5,8.1,7.8,8.3,6.8,8.7,8.1,7.2,7.6,6.9
1935,6.2,6.1,7.7,8.1,7.9,7.9,6.9,8.8,6.6,7.8,7.6,7.2
1936,6.7,6.7,8.2,8.4,8.6,7.6,6.9,8.6,7.1,7.4,8.5,6.5
1937,6.3,6.7,8.2,8.4,8.1,8.1,7.5,9.2,7.2,7.6,8.1,7.2
1938,6.3,6.6,6.7,7.9,7.9,7.5,7,8.4,6.9,7.6,7.3,6.5
1939,5.6,6,7.2,7.7,8.2,7.8,7.1,9.4,7.5,7.5,8.1,7.7
1940,3.1,4.4,4.6,8.9,8.7,7.9,7.8,9.7,7.4,7.5,7.3,3.8
1941,5.2,5.1,7.2,8.6,9,8.2,7.1,9.4,7.9,8.3,8.2,8
1942,5.3,6.6,7.5,7.6,8,7.1,6.4,8.8,6.7,7.5,7.1,6.8
1943,6.2,5.9,6.2,7.4,7.4,6.5,7.9,8.4,7.1,7.6,7.3,6.5
1944,5.5,5.1,6.6,7.3,8.2,7.6,7.3,9,6.6,7.9,7,6.5
1945,6.7,6.7,7.4,8.6,8.3,8.7,7.6,10.1,8.5,8.5,7.9,7.1
1946,6.3,5.6,7,8.4,8.4,8,7.6,9.5,8,8.2,7.9,6.7
1947,6.5,6,6.8,8.2,8.6,8.1,7.4,9.6,7.8,8,7.9,6.7
1948,6.3,7.3,8.1,8.6,8.5,8.3,7.3,9.1,8,8.2,8.5,7.5
1949,7.4,7.5,7.6,8.4,7.9,6.8,6.1,8.8,6.6,7.3,6.9,6.4
1950,6.3,6.6,7,7.5,7,7.7,6.8,8.8,6.8,7.3,7.3,7.1
1951,5.2,6.3,7.1,8.3,8.3,8,7.3,9.3,7.9,7.8,7.5,7.5
1952,6.4,6.5,7.3,8.4,8.7,8.1,6.6,8.4,6.3,7.4,6.4,6.2
1953,5,5.5,6.7,9,8.5,7.7,6.9,9.9,6,6.2,7.5,5.7
1954,3.9,4.4,5.9,6.6,7.1,6.2,5.7,8,6.1,6.5,6,5.2
1955,4.8,4.8,6,6.6,7.4,6.1,6.6,7.9,5.7,6.2,6.1,5
1956,5.2,6,7.3,7.9,6.9,5.7,5.9,8.1,5.8,6.5,5.9,5.1
1957,3.8,6.2,6.4,7.5,7.8,7.9,6.7,9.1,7,6.6,6.6,5.9
1958,5.9,5.6,8.6,9.4,9.6,8.7,7.6,9.2,6.9,7.9,6.8,6.6
1959,5.6,5.8,7.6,8.4,8,6.9,7.2,8.5,7.3,7.8,7.3,7
1960,5.6,6,6.4,7.8,8.5,7.5,5.8,8.6,7.2,7.4,7.4,6.9
1961,5.6,5.9,7.5,7.8,7.9,7.4,6.5,8.4,6.3,7.3,6.7,6.2
1962,5.6,6.2,6.6,7.8,7.6,6.9,6.9,8.6,6.8,7.4,7.2,7.5
1963,6.2,6.3,7.6,7.4,7.9,7.9,7.4,8.7,7.1,7.8,7.1,7.1
1964,6.2,7.2,7.7,8.3,8.2,7.6,7.1,8.8,7.1,7.2,7.3,6.3
1965,6.3,6.3,7.7,8.2,8.1,8.5,7.6,9.3,7.7,7.8,8,6.8
1966,7.5,6.7,7.9,8,8.7,8,7.5,9.2,7.2,7.4,7.5,7.2
1967,6.3,6.7,7.3,7.8,8.1,7.6,6.9,8,6.3,8.3,7.7,6.4
1968,5.8,6.4,7.2,8,7.8,7.8,6.9,8.6,7.8,7.2,8.5,5.8
1969,7.1,6.8,8.1,8.2,9,7.5,6.8,8.6,7,7.4,7.6,7.2
1970,6.4,6.1,6.7,8.2,7.7,7.5,7.3,8.9,7.2,7.2,7.4,6.1
1971,6.6,6.4,7.6,7.6,8.2,7.8,7.5,8.5,6.6,7.6,7,5.9
1972,6.8,5.9,7.9,6.6,9,8.9,8.6,9.2,7.4,7.3,8.3,6.9
1973,7.9,6.9,8.9,8.2,8.7,8.2,7.9,9.4,7,8.3,7.2,7
1974,6.4,6.8,6.8,8,8.3,8,7.6,9.4,6.9,7.5,8.1,6
1975,4.9,5.7,8,7.1,7.4,7.5,6.7,8.9,6.6,6.9,7.4,6.9
1976,6.3,6.4,7.7,8.4,8.6,8.2,8,9.4,7.5,8.5,7.8,7.2
1977,6.4,7,8.9,9.1,8.8,8.5,8,9.4,7.8,8.7,8.3,7.3
1978,6.3,7.9,8.1,9,9.2,8.5,7.4,9.2,7.7,8.2,8.3,7.5
1979,6.6,6.8,8,9.2,8.6,8.6,7.8,9.7,7.6,8.8,8.9,7.6
1980,7.5,6.9,8.4,9.2,9.2,8.8,7.8,9.1,8.2,8.6,7.9,7
1981,6.1,7.7,7.7,9,8.9,8.5,7.7,9.4,7.2,8,8.3,7.7
1982,7,7.7,8,8.9,8.7,8.4,7.8,9.9,8.1,8,8.4,8
1983,8.3,8.1,9.1,9.5,9.6,8.6,8.1,9.9,7.9,8.2,8.3,7.2
1984,6.3,6.9,7.7,8.4,8.5,8,7.1,9.2,7.2,8.1,8.1,6.7
1985,6.3,6,8.1,8.3,8.5,8.1,7.2,8.9,7.5,8,7.6,6.6
1986,6.7,6.7,7.3,8.5,8.6,8.4,7.2,9.1,7.6,8.1,8.3,7.3
1987,6.9,7.8,8,9.1,9,8.7,8.3,9.8,7.9,8.3,8.2,7.1
1988,6.6,7.2,7.5,8.7,8.9,7.8,7.7,9,7.2,7.9,8,6.3
1989,6.3,5.8,6.7,8.2,8.6,8.2,7.3,9.1,7.4,8.6,7.7,5.9
1990,6.2,7.5,8.5,8.6,8.8,8.6,7.6,9.3,7.9,7.8,8.4,7.4
1991,6.6,7.4,8.5,9,9.5,9.3,8.2,9.3,8.1,8,8.2,8.2
1992,7.4,8,8.6,9.4,8.7,9.4,8,9.9,7.2,8.2,8.2,7.8
1993,7.4,7.2,8.2,9.2,9.1,8.7,8,9.9,7.9,8.5,8.4,7.8
1994,7.2,7.5,8.1,8.6,8.6,8.7,7.7,9.5,8,7.8,7.9,7
1995,6.6,7,8,8.9,8.7,8.7,8.1,8.8,7.7,8,7.9,7
1996,6.1,7.6,9.1,9.1,8.2,8.4,8.4,9.8,7.5,9.2,10.3,7.5
1997,8.1,8.2,8.1,9.2,9.7,9.6,8,9.5,8.7,10.4,9.4,10.4
1998,8.5,8.3,10.6,10.4,9.8,9.6,9.3,10.6,8,9.3,9.7,10.1
1999,8.9,7.8,7.5,8.2,8.3,8.1,7.5,8.9,7.2,7.4,7.8,7.1
2000,6.2,6.2,7.1,7.7,8.2,8.1,7.1,9,7.2,7.7,7.7,6.8
2001,5.8,6.2,7.8,8.3,8.3,7.7,7.3,9.5,6.9,8.2,8.1,8.1
2002,6.6,7.4,7.7,8.5,8.8,8.1,7.9,10,7.1,9.3,10.1,9.8
2003,9.1,7.8,9.5,9.6,9.2,9.4,9.2,9.4,8.4,9.2,10.7,8.4
2004,7.7,8.9,9,9.7,8.4,9.7,7,9.7,8.1,8,10.1,9.8
2005,8.7,7.7,8.9,10.3,8.5,9.4,7.6,9.2,7.3,9.3,9.7,9.7
2006,8.7,6.7,8.6,9.5,10.1,8.9,8.4,10.1,7.5,9.1,7.1,9.3
2007,9.3,7.4,8,9.1,9.7,9,7.4,8.9,7.2,9.8,7.6,9.2
2008,6.3,6.5,6.7,8.1,8.1,8.3,7.3,8.8,7.5,7.4,8.2,7.5
2009,6.3,6.1,6.7,8.3,7.6,7.8,6.9,9.3,8.3,8.2,9,7.7
