1901,9.8,12.1,12.8,13.9,14.4,14,14.5,13.8,12.9,11.8,10.6,9.1
1902,8.4,11.1,12.1,13.2,13.1,13.9,14.6,14.7,12.7,11.1,9.8,8
1903,8.3,9.4,11.2,13.9,13.4,13.7,14.4,13.4,12.1,10.8,9.5,8.4
1904,9.1,10.2,11,13.6,13.9,14,13.8,13.9,12.3,11.2,10,8.3
1905,9.5,9.8,11.5,13,12.7,14.4,14.3,13.4,12.3,11.7,10.6,8.8
1906,7.9,11.5,11.3,12.2,14.4,15.2,14.4,13.9,12.3,10.2,9.3,6.8
1907,7.6,10.4,11.8,13,13.2,13.8,13.9,12.8,11.9,10.5,9.2,6.1
1908,8.3,9.2,12.8,14.9,15.6,14.5,13.4,12.9,13.2,13.1,9,7.7
1909,8.4,10.3,11.8,12.6,13.2,13.2,13.6,13.9,12.2,10.1,9.1,8.1
1910,8,9.6,10.9,14.1,14.2,13.8,14.8,14.4,12.2,10.2,9.1,8.5
1911,8.5,8.8,11.4,13.4,14.7,14.6,14,13.7,12.1,10.7,10,8.7
1912,7.7,9.7,10.5,12.8,14,13.6,13.4,13.2,12.1,10.7,10.3,8.3
1913,8.5,9.4,10,13.2,12.7,12.7,14.2,13.5,12.4,11,9.1,8.1
1914,9.6,10.3,12.9,13.2,13.1,14.5,13.8,13,12.2,11.4,10.3,8.8
1915,9.7,10.7,11.6,13,13.7,14.2,14,13.2,12.5,11.1,10.4,8.3
1916,7.6,10.3,11.2,13.4,13.5,14,14.2,12.8,11.7,10.3,9.8,8.2
1917,8.5,10.4,11.8,12.6,13.3,13.8,13.8,12.9,11.7,9.7,9.2,8
1918,8.4,9.4,10.6,12.1,13.7,13.9,13.7,13.5,12.4,11.3,10.5,9.2
1919,10.8,11.4,12.8,13.3,14.1,14.2,13.6,13.4,12.2,11.2,9.9,8.9
1920,9.1,9.7,11.8,13.5,13.7,14.1,13.5,12.7,11.9,11,9.9,8.8
1921,9,9.5,10.9,14.1,13.3,13.6,13.9,13,12.2,11.4,10.3,9.6
1922,9.3,10.3,11.4,13.1,13.9,14.7,13.8,13.5,12.2,11.3,10.3,8.5
1923,10,9.5,12.3,12.6,13.6,14.1,13.4,12.8,11.7,10.8,9.8,8.5
1924,9.4,10.8,12.9,13.5,13.2,14.2,13.7,13.5,12,11.7,10.3,9.4
1925,8.1,9.6,12.2,13.4,13.5,13.6,13.8,13.2,13,11.6,10.5,9.4
1926,8.4,9.9,11.5,12.5,14.3,14.5,14,14,13.1,11.4,9.9,9
1927,10.5,9.8,12.3,12.1,13.5,14,13.6,13.2,12.3,12,10.5,10.3
1928,10.9,11.2,13,13.7,13.9,14.5,13.8,13,12.7,11.5,10,9.1
1929,10,11.5,12.2,14.3,13.6,14.1,13,13.1,12.2,11.3,10.1,7.8
1930,7.7,10.4,11.3,13,13.7,13.3,13.2,12.6,12.4,11.2,8.8,8.6
1931,8.9,10.8,11.6,12.7,13.6,14,13.4,13.4,12,11.2,10.6,9
1932,9.3,10.8,11.9,13.9,13.6,13.8,13.7,12.8,12.2,11.2,10.1,8.6
1933,9.8,11.1,12.2,13.1,13.7,14.2,13.7,13.2,12.2,11.4,11.1,9.4
1934,9.6,10,12.4,13.1,13.8,13.8,13.2,13.2,12.2,11.5,10.3,8.7
1935,9.8,10.4,12.8,13.1,13.4,13.9,13.4,12.3,12.1,11.5,10,9.1
1936,8.7,10.9,13.1,14,14.6,14,13.2,12.9,12.2,11.6,10.3,9
1937,8.9,11.1,12.4,13.7,14.2,14.4,13.6,13.2,12.2,11.8,10.9,10.1
1938,9.9,11.2,11.4,14.2,13.6,13.9,13.4,13,12.1,11.6,10.3,9.4
1939,9.9,11,12.6,14.2,15,14.7,14,13.5,11.9,12.1,10.7,10
1940,10.2,11.4,12.3,14.5,15,14.9,13.8,13.6,13.1,11.9,10.6,10.4
1941,10,11.3,12.3,13.9,13.9,13.7,14.1,13,11.9,11.4,10.5,8.2
1942,9.2,11.2,11.5,14.1,13.6,14.2,12,12.2,11.4,11,10.1,9.2
1943,8.6,8.8,10.5,11.9,13.4,12.6,13.8,12.8,11.7,11,10.8,10.1
1944,10.2,10.8,13.3,14.7,14.8,14.4,13.6,12.7,11.7,11.5,9.4,8.5
1945,10.3,10.2,11.5,13.7,13.5,13.9,13.9,12.1,11.1,10.4,9.1,9
1946,9.8,11.4,11.6,13.2,14,13.9,13.7,12.4,12.4,11.3,10.1,9
1947,9.5,11,12,13.8,13.8,15,14.1,13.6,11.5,10.9,10.7,10.3
1948,10.3,11.9,10.9,14.2,14.2,13.2,13.8,12.9,12,10.6,9.7,9.7
1949,10.4,10.4,13,13.8,14,14,13.7,13,11.6,11.5,10.1,8.7
1950,9.4,10.5,13,15,15,14.6,13,12.7,11.6,10.8,10,9.3
1951,9.1,11,13,14,15,14.3,14.1,12.6,10.9,12.9,12.2,9.2
1952,11,12.1,12.6,13.7,14.6,14.6,14.2,11,12,10.5,9.9,9.6
1953,9.9,12.2,12.2,14.2,15,14.7,12.4,12.1,12,10.2,10.3,9.8
1954,8.1,11.9,12.6,14.1,13.9,15.8,12.9,13.1,13.3,12,11.7,10
1955,10.8,11.9,12.9,14.5,15.9,13.8,13.4,12.6,12.1,11.9,11.4,10.5
1956,8.5,12.7,13.8,14,13.8,13.5,13,11.9,11.4,11.7,10,9.6
1957,8.4,9.5,13,13,13.6,14.2,13.1,12.3,11.9,12,11.4,9.8
1958,10.8,11.3,12.9,15.5,14.5,14.1,13.5,12.5,12.3,11.8,10.9,10.8
1959,10.9,12.1,12.4,14.9,13.3,14,13.8,12.1,12,12.1,11.2,9.9
1960,9.7,11.8,12.2,14.2,14.4,12.8,13.2,13.6,12.5,11.3,10.7,10.4
1961,10,11.3,12.4,14.1,14.3,13.8,12.4,12.7,12.5,11.7,11.7,10.2
1962,9.3,9.6,13.3,13.3,14.9,13.7,13.6,12.6,11.6,10.6,11.7,10
1963,10.8,11.8,12.2,14.3,14,13.6,13.6,13.3,12.5,11.7,12.4,10.7
1964,11.2,11.1,12.2,13.5,14.2,14.2,12.4,12.2,12.1,11.4,9.9,8.7
1965,9.2,10,11.9,13.4,13.8,14.3,13.3,12.9,12.1,10.8,11.2,8.9
1966,9.7,10.8,12.4,14,14.3,14,14,14.2,12.5,12.2,10.9,7.7
1967,8.6,10.3,12.3,13,13.9,14,13.6,12.6,12.4,10.9,9.9,8.7
1968,8.2,10,11.3,12.6,13.5,13.7,13.6,13.1,12.6,11.6,10.9,8.6
1969,10.4,11.8,14.3,14.3,15,14.5,14.1,13.1,12.8,11.3,11.4,8.6
1970,9.7,11.3,12.8,14,14.1,15,14.2,14.4,13.1,12.3,9.5,8.4
1971,9.8,9.5,12.1,13.2,14.7,14.4,13.7,13.4,11.8,11.7,10.7,8.4
1972,9.9,10.7,12,13.3,14.1,14.4,14.2,13.6,12.2,12.4,10.9,10
1973,9,11.1,12.6,15.5,15.5,15.3,14.7,14,12.9,12.2,11,8.6
1974,9.5,11.4,12.4,14.6,15.1,14.1,13.2,13.5,12.1,12,9.6,8.4
1975,9.3,11.8,12.8,13.9,14.5,14.2,13.9,12.7,12.6,11.5,10.7,8.9
1976,9.4,11.2,13,15.1,13.6,14.6,13.8,13.5,12.6,12,11.1,10.1
1977,10.1,11.3,12.4,12.8,14.6,15.3,14.5,12.9,12.7,12.3,10.5,10
1978,9.1,11.1,12.7,14.7,15.4,15.4,12.9,13.1,12.2,12.2,10.5,10.1
1979,10.7,11.9,12.7,14.8,14.8,14.8,14,13.1,12.1,11.6,9.9,9.9
1980,10.4,12.2,13.5,15.1,15.6,15.7,14.4,13.5,12.6,11.5,10.8,9.2
1981,9,9.5,12.5,12.9,13.4,13,12,12,10.3,8.8,7.8,8
1982,10.3,11.1,12.8,13.9,14.6,14.8,14.9,14.2,13.1,11.3,10.8,9.5
1983,9.4,11.2,12.6,13.6,14.3,14.4,14.5,14.7,13.4,11.7,10.5,8.8
1984,8.8,8.6,11.2,12.3,12.3,12.8,11.8,14.3,12,11.6,7.8,6.8
1985,8.6,7.2,11.2,12.2,11.7,13.9,13.6,13.4,11.9,11.9,7.7,9
1986,8.2,11.9,12.4,13.4,13.3,15.1,13.6,13.2,11.7,11.1,9.5,9
1987,9.2,10,13,13.6,14,13.7,13.1,13.1,12.9,11.4,10,8.9
1988,10,12.4,12.7,13.8,14.8,14.4,14.3,13.3,12.8,12,9.1,8.9
1989,8.3,9.8,12.2,13.4,14.1,13.5,14,13.2,12.6,12.2,10.1,10.5
1990,10,11.9,12.7,14.7,14.8,14.9,15,14.7,13.5,11.8,10.9,9.5
1991,10.6,12.5,12.7,15.1,15.5,14.8,14.4,13.7,12.3,11.3,10.5,10.7
1992,8.2,9.3,12.4,15,15.3,14.6,14.1,13.8,12.4,12.6,11.8,10.7
1993,10.2,11,14.4,14.7,15.1,15.4,13.8,13.4,13,12.6,11.7,9.3
1994,11.1,11.3,11.4,16.2,15.6,14.9,14.7,14.2,12.2,12.2,11.9,10.6
1995,11,11.8,12.6,15.6,16.3,14.2,13.5,13.6,12.5,11.8,11.4,10.8
1996,10.1,12.2,13.1,16.6,15.7,14.1,14.3,13.7,13.5,12.2,9.9,9.1
1997,9.9,11,12.4,13.7,14.5,14.5,14.3,14.4,13.6,11.9,11.5,9.2
1998,9.9,12,12.9,14.8,15.3,15.3,13.5,13.9,12.8,11.5,10.5,9
1999,9.4,12.1,12.7,14.4,15.7,14.8,13.3,12.7,12,10.8,10.3,9.9
2000,8.5,11,12.1,15.4,14.5,14.8,14.7,13.6,12.6,11,10.1,8.7
2001,10.1,10.1,13,15.8,14.5,14.4,14.1,12.7,12.1,11.4,10,10
2002,8.8,12.1,12.9,15.2,16,14.6,14.6,13.8,12.8,11.7,11.3,10.4
2003,10.4,13,12.7,14.7,15.8,15,13.6,14.2,13,11.6,10.9,8.6
2004,10,10.8,12.8,14.1,13.6,13.2,13.9,13.6,12.4,11.1,10,9.3
2005,9,12.3,13,14.7,13.7,14,14,14,13.1,11.3,10.1,8.2
2006,10.2,11.7,12.8,13.7,16.4,14.7,13.6,14.3,12.7,12.3,10.8,8.4
2007,9.7,11.7,12.2,14.7,15.5,14.6,14.3,14.1,13.2,10.7,11.2,8.9
2008,9.5,10,12.2,14.9,15.3,15.5,14.3,13.8,13.4,12,10,10.1
2009,10.4,12.5,13.6,16.1,14.6,15.5,14.5,13.9,13.1,12,11,10.1
