1901,7.9,12.2,16,18.5,21.1,23,23.9,24.2,23.5,21.1,14.8,11.9
1902,7.4,11.3,13.5,18.3,23.6,23.5,23.7,24.9,24.3,20.6,13.5,9
1903,6.5,7.2,10.7,19.4,21.4,23.4,23.8,25.4,22.2,20.8,14.7,12.3
1904,9.1,10.8,14.1,17.8,21.8,23.3,22.4,24.5,22.2,20.6,13.3,8.7
1905,7.9,8.1,11.9,17.6,21.9,24.8,24.3,24.8,24.6,22.2,17.3,10.3
1906,8.8,11.3,14.7,17.8,24,26.1,24.6,25.3,22,21.3,16.7,12
1907,10.8,11.4,11.9,17.1,21.6,24.9,23.9,24.5,22.4,21.1,14.7,11.9
1908,8.7,11.4,15,19.7,22.6,24,23.6,23.8,23.8,22.1,14.5,10.8
1909,8.8,10.8,16.7,17.2,23.4,25.4,25.8,24.8,24.7,22.3,16.5,12.4
1910,9,10.7,10.7,20,22.7,24.5,25.6,25,24.3,20.2,15.2,10.4
1911,10.5,9.1,13.3,18.5,22.5,23.8,23.4,22.9,23.4,21,16.3,10.5
1912,8.7,11,14.8,17.8,22.1,23.2,23,23.7,24.4,19.7,16.2,10.4
1913,9,8.9,11.8,18.5,20.8,23,24.7,23.4,23.6,20,14.2,9.7
1914,10.2,9.7,15.4,15.6,22.8,23.9,23.2,24.2,23,20.9,17,11.9
1915,11.9,12.5,15.2,18.5,21.9,24.2,25.5,25.4,23.7,21.9,17.3,12.6
1916,8,11.5,16.5,19.4,22.6,26.1,25.1,24.5,23,21,17.9,12.8
1917,10.3,10.3,15.3,20.1,19.6,22.6,24.1,25.2,23.1,20.1,19,10.7
1918,7.9,9.3,13.8,18.7,21.3,24.1,25.3,23.6,24.6,22.7,17.2,11.6
1919,11.6,12.2,16.8,19.1,20.9,23.1,25.7,23.5,23.5,21.9,17,10.6
1920,8.4,7.1,12.4,19.6,20.9,23.4,23.8,25.5,23.5,21.6,14.3,10.8
1921,9,8.4,11.1,19.8,20.9,24.5,23.5,24.7,22.9,21.2,15.1,12.1
1922,9.2,10.1,13.6,19.8,20.6,23.8,24.1,23.7,24.7,22,18,10.4
1923,11.2,10.3,13.6,16.8,22.5,26.2,23.4,24,23.6,21.5,16.2,10.6
1924,8.8,11.8,15,20.3,21.3,24.6,24.1,25,24.4,21.4,14.6,11.3
1925,6.3,8.7,15.5,18.2,22.5,23.4,23.9,24.8,25.1,21.1,16.9,12.1
1926,8.6,10.3,12.8,18.1,24.9,25,24.1,24.3,22.5,21.1,15.6,11.4
1927,10.4,8.2,13.9,18,23,24.4,24.9,24.9,24.5,23.1,17.2,13.3
1928,12.2,10,14.5,19.9,24.5,24.6,22.8,24.7,25.2,21.1,15.7,12.7
1929,9,10.7,13.8,19.2,24,24.4,22.5,23.9,25,21,16.6,9.5
1930,7.6,10.1,12.9,18.7,22.8,23.4,25.3,25.5,25.4,21.7,15.5,13.9
1931,11.2,11.1,14.1,18.8,22.1,24.1,25.1,25.3,24.4,21.5,16.1,11.3
1932,8.8,10.5,13.6,20,21.6,24.8,24.9,24.5,24.2,23,16.6,10.7
1933,9.6,11.6,15.2,16.3,22.9,25.5,23.6,23.2,21.9,20.6,18.8,12.7
1934,10,8.3,15,18.5,23.3,23.5,22.9,24.5,22.5,23,18,11.3
1935,10.9,10.6,14.9,18.4,24.1,25.4,23.2,23.8,23.5,22.8,14.7,11.4
1936,10.1,11.9,15.7,20.6,23.6,23.4,25.2,24.4,23,23,18.7,11.2
1937,8,11.3,15.9,20.6,22.8,23.8,24.8,24.6,25.6,22.6,16.5,13.6
1938,9.9,10.7,10.7,20.5,22.6,22.7,23.9,25.3,23.9,21.9,16.3,12.8
1939,9.8,10.1,14.5,19.6,24.6,23.8,24.4,24.1,24.9,23.9,16.4,13.1
1940,10.1,11.2,13.4,20,23.4,24.9,25.3,24.3,24.5,22,15.8,12.4
1941,11.1,13.4,14.4,20.1,24.1,24.2,24.1,26.1,23.9,20.9,17.3,9.5
1942,9.6,12.4,14.9,19.4,23.9,24.2,24.5,23.8,22.6,22.3,17,12.7
1943,9.1,9.1,12.2,14.8,21.9,23.2,23.7,25.1,23.7,23,18.7,14
1944,9.1,10.6,15.4,19.2,20.8,26.5,25.2,24.5,24.1,23.5,15.7,11.1
1945,9.4,8.4,11.6,17,22.6,22.9,24.4,26.5,24.1,20.1,17,10.1
1946,10.4,9.8,13.9,17.1,21.6,24,22.8,24.9,25.4,22.7,18.3,12.4
1947,8.5,12,14.6,18.9,23.7,23.8,23.7,23.6,23.1,20.6,16.1,14.6
1948,10.5,10.6,11.3,17.8,22.1,24.4,24.6,24.7,23.7,20.3,15.3,9.1
1949,8.3,7.2,13,15,25,23.8,22.9,23.9,22.1,21.3,18.3,10
1950,8.9,9.7,13.1,20.2,22.9,22.9,24,24.5,25.3,21,16.9,13.7
1951,10.5,9.7,15,17.2,24.3,23.4,24,24.9,25,21.4,14.4,6.5
1952,10,10.2,12.6,18.2,22.6,22.9,23.7,24.5,24.8,21.9,15.3,12.7
1953,10,11.6,11.7,17.7,24.4,25.1,24.9,23.3,22.1,21.1,13.9,8.5
1954,7.3,10.6,14.7,18.1,23.5,23.9,25.2,24.9,22.9,21.1,15,9.8
1955,9.4,11.9,14.7,19.3,23.6,24.6,25.3,23.7,23.5,20.9,14.7,8.4
1956,9.1,11.6,14.9,19.7,21.1,25,25.5,25.5,23.6,20.7,16.8,11.3
1957,7.9,9.4,13.5,17.4,23.7,23.2,24.8,26,26.4,22.8,17.9,11.7
1958,9.1,9.5,14.5,22.5,23.2,24.1,24.6,25.4,23.7,20.9,17.2,12.8
1959,8.4,7,11.9,18.6,23.2,23.5,22.4,22.1,21.9,19,14.9,11.5
1960,8.6,10.9,13.7,19.4,21.9,23.8,25,24.8,23.8,23.2,15.3,15.9
1961,10.4,6.3,11,18,22.6,25.6,23.9,23.6,21,18.9,13.8,8.2
1962,8.1,9.4,16.7,18.6,23.2,24.8,24.4,25.5,22.9,21.6,19.3,9.8
1963,10.5,11.3,13.1,19.4,23.3,25.4,24.7,26.1,24.9,22.4,15.4,10.7
1964,7,7.8,14.4,19.6,20.3,23.2,23,22.8,21.2,19.9,14.7,10
1965,9.2,10.8,14.2,16.9,20.7,24.6,25.8,24.3,23.3,18,13.5,9.4
1966,8.7,8.5,13.4,18.7,23.3,24.4,24.3,24.5,23.4,21.8,17.6,10.1
1967,7.1,9.1,11.1,18,21.2,24.1,22.3,22.9,22.5,19.4,12.1,10.9
1968,10,9.5,12.7,15.5,22.4,25.6,24.6,25,25.2,20.6,15.4,9.7
1969,7.5,12.3,17.8,18.1,22,24.7,22.5,24.7,24.2,21,15.3,11.5
1970,9.5,9.8,13.3,19.9,22.7,21.3,23.9,24.7,24,19.6,14.6,8.7
1971,10,9.4,14.9,16.2,22.6,24.3,22.4,24.7,23.4,18.8,14.2,9.3
1972,8.2,8.5,11.7,19.5,23.7,23.7,24,24.3,24.3,21.3,14,9.1
1973,9.1,12.8,12.2,19.5,22.2,23,24.7,22.6,23,21.3,12.9,11.3
1974,7.6,9.6,13.7,19,22.1,24.1,25.1,23.8,23.5,21.1,15.8,9.4
1975,7.2,9.4,14.5,20.5,22.8,23.1,24.1,22.7,23.1,20.9,15.7,10.2
1976,8.3,9.1,14.7,18.2,22.1,22.8,23.2,22.3,24.3,23.5,16.9,12.6
1977,8.5,12.3,12,16.7,22.3,25.6,25.1,26,23.4,19.4,14.8,9.3
1978,8.3,11.2,15,19.1,24.8,25,24.4,23.5,23.4,21.2,12.8,10.2
1979,9,14.2,15.5,21.1,23.2,26.3,24.9,25.2,23.7,21.7,16.8,8.8
1980,9,9.2,14.7,19.9,23.8,24.9,25.8,25.5,24.1,21.8,16.6,11.2
1981,6.8,9.5,14.8,19.5,22.8,26,25.4,24.5,23,22.6,12.4,11.5
1982,10.3,7.7,12.1,19,21.1,23.9,23.1,24.5,23.7,21.9,13.1,9.1
1983,5.1,8.7,10.8,16.9,23.8,24.2,23.4,23.3,23.4,19,14.8,11.7
1984,8.2,11.7,15.6,18.2,25.4,23.8,23.7,22.1,25.2,22.5,14.5,11
1985,11.7,8.1,16.7,18.9,24.2,25.6,23.7,25,23.6,20.1,16.8,12.9
1986,9.6,11.4,15.9,19,19.5,23.7,24.4,24.5,24.9,20.2,14.3,8.1
1987,9.4,12,14.3,16.5,23.3,25.1,25.5,25.6,23.9,20,15.8,11
1988,9,9.9,15.8,19.3,24.5,26.2,27,25.1,25.8,19.8,13.7,11.7
1989,6,7,12.7,21.1,22.3,23.8,24.2,24.4,24.8,20.5,14,9.7
1990,10.2,7.9,11.6,20.2,21.7,24.6,24,22.3,23.6,21.7,18.8,15.5
1991,9,10.4,14.4,20,25,26,24.7,23.5,22.6,21.1,16.5,8
1992,7.7,6,15.1,18.5,20,24.3,24.8,25.9,22.6,22.1,15,9.9
1993,7.4,9.8,12.7,20,21.4,25,25.1,25.7,24.8,24,18,13.6
1994,11.5,8.4,13.2,20.3,24,24.4,23,25.4,25,23.1,14.8,8.2
1995,9.7,9.5,14.8,19.2,21.1,27.3,24.1,24.5,26.1,21.6,12.9,10.1
1996,10.6,11.5,15.2,16.9,26.5,24.1,25,26,26.5,21.3,13.1,10.7
1997,10.7,7.7,12.8,18,23.8,25.4,25.6,25,24.4,22.1,16.6,10.1
1998,10.2,10,12.5,21.7,23.6,24.4,26.6,25.7,25.5,21.9,17.1,12.7
1999,10.6,12.8,13.5,17.3,24.5,23.4,24.6,24.6,25.2,22.1,15.5,10.9
2000,9.8,8.2,13.2,20.4,23.9,24.1,27.8,24.9,25.6,19.9,16.2,11.1
2001,9.7,9.7,17.5,20.9,23.3,23.9,24.5,26.3,26.5,20.5,15.1,9.6
2002,7.2,12,14.6,19.2,23,24.6,27.1,26.8,25.8,22.4,17.1,10.8
2003,11,10.7,13.9,18.9,24.8,24.3,24.5,24.8,25.6,22.3,15.7,10.3
2004,9.4,10.8,14.7,18.8,25.1,24.5,25.6,25.9,24.3,22.9,16.1,10.6
2005,8.9,13.4,15,19.6,23.3,24.8,26.5,26.3,24.7,21.5,14.9,14.2
2006,11.2,13.4,15.5,19.2,24.1,25.6,23.5,27.5,26.4,22.8,13.8,9.1
2007,8.5,10.7,14.8,20.7,25.3,25.9,27,27.2,24.3,23,16.7,11.6
2008,9.3,9.3,17.7,21.6,24.1,27.2,26.3,27.4,26.3,21.4,17.4,13.2
2009,11.2,12,13.3,21.9,22.3,25.6,26.7,24.7,26.1,23.4,16,11.9
