1901,7.9,9.4,9.9,11.6,10.7,9.3,9.5,9.6,8.8,10.4,10.6,9.3
1902,7.8,9.2,9.7,11.3,10.3,9.4,10.1,10.2,9.1,10.5,10.7,9.3
1903,8.3,9.6,10.1,11.8,10.7,9.4,9.8,9.7,8.8,10.4,10.4,9.2
1904,7.7,9.5,9.8,11.7,10.8,9.5,9.5,9.6,8.8,10.4,10.6,9.3
1905,7.9,9.4,9.9,11.6,10.7,9.3,9.7,9.6,8.8,10.6,10.8,9.5
1906,7.8,9.7,9.9,11.6,11,9.7,9.7,9.8,9,10.4,10.4,8.7
1907,7.6,9.6,10.1,11.7,10.9,9.5,9.6,9.6,8.8,10.3,10.4,8.6
1908,7.8,9.2,10.2,11.9,11.4,9.6,9.7,9.6,9.2,11.3,10.2,8.8
1909,7.5,9.1,9.6,11.1,10.5,9.1,9.7,9.8,8.9,10.3,10.4,9.3
1910,7.8,9.4,10.1,11.8,11,9.5,10,9.9,8.8,10.4,10.7,9.6
1911,8,9.1,9.9,11.5,10.6,9.6,9.2,9.5,8.6,10.3,10.5,9
1912,7.6,9.2,9.6,11.3,10.3,8.9,8.8,9,8.1,10.1,10.6,8.7
1913,7.5,8.9,9.5,11.3,10.5,8.9,9.5,9.6,8.8,10.4,10.6,9.3
1914,7.9,9.4,9.9,11.6,10.7,9.3,9.5,9.6,8.8,10.4,10.6,9.5
1915,7.9,9.4,9.8,11.8,10.6,9.1,9.3,9.4,8.7,10.3,10.7,9.1
1916,7.7,9.6,9.6,11.3,10.7,9.2,9.3,9.6,8.8,10.4,10.8,9.2
1917,8,9.7,9.9,11.4,10.7,9.2,9.4,9.5,8.7,10.4,10.7,9.4
1918,7.7,9.7,9.9,11.4,10.8,9.2,9.5,9.6,8.8,10.4,10.6,9.3
1919,7.9,9.4,9.9,11.6,10.7,9.3,9.5,9.6,8.8,10.4,10.6,9.3
1920,7.9,9.4,9.9,11.6,10.7,9.3,9.5,9.6,8.8,10.4,10.6,9.3
1921,7.9,9.4,9.9,11.6,10.7,9.3,9.5,9.6,9.1,10.6,11.1,9.8
1922,8.4,9.9,10.3,11.8,11,9.7,9.4,9.5,9,10.7,11.2,9.9
1923,7.9,8.9,9.9,11.2,10.7,9,9.5,9.1,8.3,9.9,10.1,8.9
1924,8.2,9.6,10.1,11.9,11.1,9.9,10,10.4,9.2,10.8,11.1,9.7
1925,8.1,9.3,9.9,11.6,11,9.9,10.3,10.3,9.1,10.3,10.6,9.2
1926,7.4,9.3,9.6,11,10.9,9.7,10.3,10.2,9.2,10.3,10.5,8.6
1927,7.5,8.8,9.6,10.4,9.7,8.7,9.2,10,8.8,10.9,10.8,9.2
1928,7.2,9.1,10,12,11.1,9.2,9.8,9.9,9.1,10.9,11.3,9.3
1929,7.4,9.6,10,11.2,10.5,8.7,9.2,8.8,8.1,10.4,10.6,9
1930,8.1,9.3,9.9,11.5,10.2,8.7,9,8.8,8.2,9.7,9.9,9.3
1931,8,9.5,9.9,11.5,11.2,9.6,9.8,9.9,9.1,10.7,10.6,9.5
1932,7.9,10,9.9,11.6,10.7,9.3,9.5,9.6,8.8,10.4,10.6,9.3
1933,7.8,9.5,10,11.9,10.9,9.5,9.6,9.7,9,10.4,10.3,9.2
1934,7.5,8.7,9.3,11.7,10.9,9.7,9.9,9.6,8.6,10.5,10.7,9.7
1935,7.9,9.8,9.9,11.3,10.4,9.3,9,9.2,8.9,10.5,10.4,9.3
1936,7.9,9.4,9.8,11.5,10.8,9.4,9.1,9.1,8.4,10.4,10.4,9.2
1937,7.9,9.4,9.9,12,11.3,9.4,9.4,9.6,8.9,10.4,11,8.8
1938,7.8,8.7,9.8,11.6,10.7,9.2,9.2,9.3,8.4,10.4,10.4,9.1
1939,7.3,9.3,10.1,11.8,11.1,9.3,10,9.8,9.1,10.4,10.7,9.2
1940,8.6,10,10.1,10.6,11.4,9.8,9.7,9.8,8.8,10.4,11.2,9.5
1941,8.1,10.1,10.2,12.1,11.5,9.5,9.4,9.7,8.8,10.4,10.6,9.2
1942,8.1,10.5,10.1,12.2,11.1,9.7,9.2,9.4,8,10.7,11.4,9.9
1943,7.7,9.3,10.3,12.5,11.6,9.4,9.4,9.3,8.5,10.7,11.1,10.3
1944,7,9.4,9.7,11.9,11.1,9.8,9.6,9.7,9.2,10.5,11.8,10.2
1945,8.3,9.3,10.4,13.2,11.6,9,9.8,9.5,8.7,10.6,11.1,9.6
1946,8.3,9.8,9.9,12.2,11.5,9.6,9.5,9.1,8.4,10.2,11.1,10.4
1947,8.9,9.8,10.2,11.4,10.4,9.4,9.7,9.3,8.2,10.3,11.2,9.3
1948,7.8,9.3,9.9,12,11.7,9,9,9,8.2,10,9.4,8.6
1949,7.7,9.6,9.9,12.7,11.5,9.6,9.5,9.9,8.2,10.3,11.1,9.8
1950,7.7,8,10,11.7,10.7,8.5,9,8.9,7.8,9.1,9.7,9
1951,8.1,9.9,10,10.6,10.7,9.5,9.6,9.6,9.2,10.8,11.1,9.5
1952,8,10.1,11.2,12.2,11.7,9.6,9.8,10,9.7,10.7,10.5,9.2
1953,8.2,9.2,10,12.1,11.3,10.1,9.7,10.2,8.4,9.8,10.6,9.6
1954,8,10.2,10.9,11.8,11.1,9.2,9.4,9.4,8.5,10.2,9.7,9.4
1955,8.5,9,10,11.4,10.6,9,9.6,9.4,9.1,10.4,10.4,9.7
1956,7,9.2,10.1,11.6,10.5,8.8,8.8,9.3,8,10.1,9.5,8.7
1957,8.1,8.9,9.9,11.9,10.9,9.5,10,9.8,9.3,11.2,11.7,10.7
1958,9,10.2,10.5,11.7,11.1,8.9,9.3,9.9,9.5,10.8,10.9,10.2
1959,8.6,10.4,9.6,11.7,10.9,9.4,9.8,9.9,9.8,12.1,12,11
1960,8.3,9.9,10.9,12,11.5,9.3,10,10,9.4,10.8,11.2,9.9
1961,8.1,10.4,10.3,11.9,12,9.9,10.3,9.9,9.2,10.2,11.2,9.7
1962,7.7,8.1,9.7,11.2,10.3,9.2,9.1,9.8,9.3,10.6,10.1,9.7
1963,8.3,9.9,10,11.8,11,9.1,9.1,8.7,7.9,10.1,11.4,9.7
1964,7.6,10,10.1,11.9,10.5,8.9,8.6,8.4,7.6,9.1,9.8,8.5
1965,7.2,8.4,9,10.9,10.2,8.1,9,9.3,8.7,9.9,10.5,9.3
1966,8.1,10.5,10.5,11.1,10.4,9.2,10.1,9.5,9.1,9.7,9.7,8.2
1967,6.9,9.1,10,11.2,10.4,9,9.4,8.6,8.3,10.3,10.2,10.2
1968,6.3,9.2,8.8,10.2,9.2,8,8.3,8.4,7.9,9.7,9.8,9.4
1969,7.6,8.7,9.1,11.5,10,8.6,9.2,8.6,8.5,10.5,10.6,9.1
1970,9.2,10.2,11.6,11.6,10.7,8.9,9.3,9.9,8.7,10.7,10.7,9.3
1971,7.8,7.8,8.7,11.4,10.2,8,8.8,9.5,8,9.9,10.7,9
1972,7.3,8.9,9.5,12.4,11.2,9.9,10.7,10,9.1,11.1,11.3,10.3
1973,8.8,10,10,12.7,11.6,9.8,8.7,10.1,9,10.7,10.7,8.4
1974,7.5,8.8,9.9,11.4,10.7,9.7,9.7,8.8,8.1,10.1,9.9,9
1975,7.6,9.3,10.3,11.8,10.4,9.5,9.5,9.1,8.4,10,10,8.6
1976,7.7,10,10,11.6,11.6,9.7,9.5,9.6,8.6,10.6,11.2,9.7
1977,9.2,10,10.7,11.2,9.8,8.9,9.6,9.4,9,10.9,10.1,9.3
1978,7.4,9.1,9.5,11.3,10,9.4,9.2,9.9,8.9,10.6,10.5,9.5
1979,8.5,9.3,8.5,11.2,10.9,9.2,9.6,10.2,9.2,9.9,10.6,10.4
1980,7.8,9,10.1,12,11.2,9.5,9.4,9.6,9.2,10.6,10.8,8.4
1981,8,9.8,10.6,11.5,10.6,9.2,9.5,10,9.2,10.2,10.5,8.8
1982,7.9,9.5,9.5,11.4,10.7,9.8,9.6,9.3,8.6,10.2,10.6,8.8
1983,7.8,9.5,10.1,13,11.6,10.7,10,10.5,8.9,11.4,10.8,8.9
1984,7.3,8,9.4,11.3,11.9,9.5,10.2,9.9,9,9.8,11,9.7
1985,7.9,9.9,9.4,11.1,10.4,9.4,9.7,9.5,9.1,10.6,11.3,9.8
1986,8.1,9.5,9.4,11.6,11,9.5,9.7,9.3,9,10.9,11.2,10.2
1987,7.9,9.4,11,12.3,11,9.7,10,9.9,9.7,11.3,11.3,9.7
1988,9.8,10.6,11.5,11.7,10.7,10,9.4,10.2,9.1,10.5,10,8.7
1989,8.7,8.3,9.8,11,10.1,9.3,9.5,9.8,9.3,11,10.8,10
1990,7.8,10.5,10.3,11.4,11.3,8.9,9.2,10.3,8.7,10.4,11.2,9.7
1991,8.2,9.4,9.9,11.4,10.8,9.8,9.2,9,8.6,10.2,9.4,8.7
1992,6.4,9.8,10.5,12.8,10.9,10.7,10.4,9.2,9.5,10.8,10.5,9.4
1993,7,8.2,9.1,12.1,11.4,9.9,9.5,10.1,9,10.8,11.9,9.2
1994,6.2,9.6,8.4,11.3,11.1,9.8,10.5,10.5,9.3,11.8,11.1,10
1995,7.8,9.4,9.3,11.6,11.5,11.2,10.5,10.1,9.8,11.9,11.8,10.2
1996,9.1,10,10.4,12.1,11.3,9.5,10,10,9,10.8,10.6,9.4
1997,9.1,10,9.7,12,11.3,10.4,10.3,10.5,10.6,11.2,10.3,9.7
1998,8.5,10.2,10.9,11.4,10,9.9,10.3,10.4,9.4,12.1,11.8,9.8
1999,9.1,9.9,10.6,12.4,9.7,10.8,9.9,10.8,10,11.1,11,9.1
2000,7.4,8.5,11.1,13.3,11.5,9.6,11.2,11.6,9.3,10.4,12.6,9.5
2001,9.1,11.5,11.6,11.6,10.9,9.8,9.7,10.7,10.1,11.6,11.2,9.7
2002,8.6,11.1,11.4,12.9,12.4,10.7,10.6,11.3,10.8,12.3,11.7,11
2003,8.6,10,11.1,13.5,12.5,10.5,10.6,10.5,10,11.6,12.5,11.4
2004,10.5,11.2,10.7,12.4,11.9,10.5,10.5,10.8,9.3,10.2,11.1,9.6
2005,7.3,10.7,11.6,13.2,11.2,10.4,9.8,10.3,10,10.4,11.4,11
2006,8.3,10.4,11.2,12.3,12.3,9.5,10.9,10.5,8.7,11.4,12.1,11.2
2007,9.4,10.5,9.9,12.4,11.9,9.9,8.8,10.2,9.9,10.1,10.8,10.9
2008,8.7,10.2,10.3,11.8,10.8,9.8,9.7,10.7,10.2,10.7,9.9,9
2009,8.5,10.2,11.3,13.3,11.5,10.2,10.4,11,10.3,11.4,11.7,11.8
