1901,3.7,3.7,9.5,12.7,16,21.6,24,24,20.2,15.3,9.6,7.9
1902,6,8.6,9.4,14.2,14.2,19.5,24.4,23.7,21.1,15.3,9.1,5.6
1903,5.3,7.2,9.7,10.1,16.9,19.6,24.6,23.5,20.7,15.3,10.2,8
1904,6.8,8.3,10,13.4,17.5,22.5,25.6,24.5,18.8,14.4,8.2,6
1905,2.7,5.2,9.7,12.7,16.1,20.7,25.5,23.9,21,12,11.5,6.9
1906,5,5.6,8.9,12,16,20.4,23.5,24.3,18.9,15.4,11.5,6.1
1907,4.2,5.8,7,10.4,17.3,20.7,22.4,24,20.8,17.2,11,8.4
1908,4.5,6.5,7.9,10.5,18.8,21.9,23.6,23.1,18.7,14.9,8.7,5.7
1909,4.4,4,8.9,13,16.7,19.6,21.6,23.3,19.3,15.8,9.9,8.9
1910,6.5,7.9,9.1,12.5,15.5,20.3,21.8,22.8,18.1,15.8,9.4,8.5
1911,4.3,5.4,9.6,11.8,16.3,20.9,24.3,25.2,21.1,15.7,12.6,7.8
1912,7,9.6,10.6,11,16.8,20.6,23.9,22.4,16.8,14,8.2,7.3
1913,6.5,6.2,9.8,12.1,16.4,21.1,21.5,22.5,20.8,16.2,11.3,6.5
1914,3.5,7.6,10.2,13.6,16.4,19.5,22.8,22.9,19.2,13.8,9.6,7.7
1915,6.3,7,8.7,12.4,18,21.4,23.4,22.9,18.5,13,9.5,9.7
1916,5.9,7.4,10.9,12.9,17.7,21,23.5,23,18.3,14.5,11.6,9.1
1917,5.8,5.6,8.3,10.9,17.9,22.4,24.1,24.4,21.5,15.6,9.1,5.3
1918,5.3,5.2,8.8,12.4,16.9,19.3,23.6,22.8,22,14.3,9.2,6.8
1919,7.1,6,9.6,12.1,14.9,21,22.1,24.4,21.3,13.6,10.1,5.5
1920,7.3,7.5,10.4,13.2,20.1,20.9,25.2,23.7,20.9,14.6,9.9,7.6
1921,7.6,6.8,9.2,11.8,17.9,19.9,24.4,23.9,20.9,16,9.9,5.4
1922,5.4,6.8,10.7,12.3,18.4,22.4,24.1,25,18.7,14.4,7.8,5.9
1923,5.2,7.5,9.1,12.1,17.7,19.1,25.1,25.5,20.1,16.1,12.4,6.7
1924,5,6.1,9.1,13.3,19.1,22.2,25.1,22.7,21.5,14.8,9.7,7.1
1925,6.1,8.6,7.6,12.5,16.7,22,23,24.3,19.3,15.9,11,5.7
1926,5.9,9.9,9.9,13.8,15.9,19.8,22.5,22.9,22,17.7,14.4,6.9
1927,6.6,6.4,10.4,13,17.8,22.7,24.7,24.9,20.8,15.1,13,8.1
1928,6.9,7,9.3,13.7,15.6,22.1,25.2,26.3,21.3,15.6,10.9,5.5
1929,3.2,2.3,8.2,11.6,18.2,22,25.1,24.1,21.5,17.7,11.7,7.3
1930,6.8,7.2,11,13,16.4,23.2,24.8,23.8,21.5,14.9,11.6,7
1931,7,6.7,9,11.2,17.1,22.9,23.9,24.1,17.7,15,11.7,6.6
1932,6.8,3.6,8,11.3,16.1,19,22.3,24.3,22.9,16.3,11.6,9.4
1933,6.1,6.8,9.2,12.2,15,17.8,22.6,23.6,20.2,16.5,10.9,5
1934,6.4,7,9.9,13.6,17.5,20.2,23.3,22.7,20.1,14.9,11.5,9.2
1935,4.1,6,8.4,11.6,14.6,21.9,23.7,23.1,20.2,16.4,12,8.1
1936,9.5,8.1,10.8,12.3,15.9,19.6,23.2,22.7,19.9,12.7,10.3,7.4
1937,6.4,8.8,10.1,12,16.8,21.5,22.8,22.8,19.6,15.4,11.5,6.8
1938,5.1,6.1,9.8,9.9,14.6,21.7,23.3,23.2,19.6,16.1,11.7,7.3
1939,8.1,8.4,7.1,12.8,13.5,19.9,23.7,23.8,19.4,15.2,11.2,7.4
1940,4.4,5.9,8.9,11.9,15.8,19.4,22,21.3,20.1,15.6,11.3,4.2
1941,6.3,7.8,9.6,12,15.4,22,25.3,24.2,18.8,14.9,9.8,4.7
1942,2.2,5.9,10.8,13.3,18.2,22.9,25.5,23.9,22.5,17.1,9.7,8.8
1943,3.7,8,10.6,13.2,17.8,21.2,24.8,25.6,23.4,16.5,10,8.5
1944,4.7,4.6,6.5,13.3,17.5,21.1,24,26.3,20.9,14.4,9.3,6.3
1945,3.2,6.4,8.8,13.5,18.8,23.6,26,24.8,21,14,9.4,6.8
1946,5.1,6.6,7.1,13.3,13.6,21.3,25.1,25.2,22.7,14.7,10.8,5.6
1947,3.4,7.4,11.3,13.4,18.2,23.1,26.2,25.9,21.4,14.9,11.4,6.1
1948,6.7,5,10.3,13.2,17.9,20.9,21.7,23.7,20.5,16.9,10.6,5.8
1949,7.4,6.5,7.2,13.9,17,21,24.5,23.7,22,16.4,10.5,7.4
1950,5.4,7.9,10.2,12.2,18.1,23,24.5,25.1,21.1,15.5,10.7,7.6
1951,7.8,9.1,8.8,12,15.9,20.8,23.6,24,21.3,13.8,12.3,6.3
1952,5.3,5.6,9,14,17.1,22.6,25.9,24.9,19.7,15.4,9.3,7.7
1953,3.7,5.5,8.3,12.8,17.2,18.4,21.1,22.2,21.4,16.8,9.7,8.8
1954,4,5.8,10.8,11.6,15.7,21.7,22.5,22.4,21,14.6,10.7,7.4
1955,9.3,9.1,8.7,11.9,17.1,21.2,24.3,22.9,19.5,14.5,10,9.5
1956,7.8,3,7.9,11.3,16.8,19,23.8,24.8,21.4,13.8,9.4,5.7
1957,5.6,9.1,9.5,12.3,15,21.9,23.7,23.6,19.6,16.1,11.4,7.2
1958,6,8.6,7.4,10,17.9,20.2,23.4,24.8,20.8,15.7,12.1,8.7
1959,6,8.2,11.3,12.2,16,20.6,24.7,23.4,19.4,13.1,10.9,8.8
1960,6.7,8.3,9.8,12.1,17.1,21.6,23.1,23.4,19.3,15.7,11.9,7.7
1961,7.1,8.5,9.9,13.6,15.9,20.5,22.8,22.8,20.9,15.7,11.8,7.5
1962,7.4,6.5,7.8,12.4,15.5,19.3,22.7,24.2,20.7,15.6,10.6,5.5
1963,4.7,5.9,8.2,12.5,16.1,20.5,24.1,23.3,20,14.5,14,7.6
1964,4.3,7,9.8,12.1,16.9,21.3,23.9,23.3,19.5,14.9,11.6,7.4
1965,6.9,4.2,9.5,10.8,15.2,19.8,22.7,22.2,18.9,14.8,13.2,8.8
1966,5.4,10.2,8.8,13.2,16.4,21,21.8,22.5,20,17.5,9.5,6.8
1967,5,7,10.1,11.8,16.2,18.8,23.8,23.7,19.7,16.2,12.3,7.2
1968,4.7,8.8,9.2,13.2,17.4,20.2,23,21.7,19.5,14.8,10.7,7.2
1969,6.3,7.3,9.5,11.6,17.5,19,22.5,22.7,20.3,15.5,12.7,5.4
1970,8.3,8,8.5,11.5,14.7,21.1,22.8,23.3,21,14.4,12,7.8
1971,8,7.5,7,13,17.2,19.6,23.8,25.4,19.5,14.9,10.8,6.9
1972,7.7,9.7,11.5,12.5,15.7,20.7,22.6,22,18.4,13.8,11.7,8.3
1973,7.4,7.2,8.4,10.5,17.1,21.2,24,24.2,22,16.2,10.7,7.2
1974,8.5,9.8,10.5,11.7,16.2,20.2,22.7,23.7,20.1,12,10.2,6.3
1975,7,7.3,9.7,12.1,16.5,19.2,23.3,23,21.7,14.6,10.3,7.6
1976,6.5,8.6,8.6,11.6,16.4,20.8,23.5,21.8,19.1,15.9,11.1,8.6
1977,8.7,10,10.8,11.8,17,19.4,23.1,22.3,18.4,15.7,11.3,7.2
1978,7.1,7.2,9.6,10.9,15.7,20.3,22.4,22.7,19.6,14.5,8.6,9.5
1979,6.5,9.2,10.8,11.2,17.1,21.6,23.9,23.5,20.1,16.3,10,8.6
1980,6.8,7.9,10,10.5,14.9,19.5,21.5,24.3,20.7,15.6,11.4,5.6
1981,4,5.8,10.8,13.2,16.4,21.1,22.4,23,21,16.5,8.2,8.8
1982,7.9,6.8,8.6,14.8,16.9,21.2,24.8,24,22,18.1,12.1,8.7
1983,6.4,5.7,9.5,12.8,16.9,20.5,25.3,23.7,20.7,15.1,9.8,7.3
1984,7.1,6.3,8.4,11.4,15.5,19.3,23,22.4,18.9,15.9,12.3,7.8
1985,4,7.4,9.2,12.8,16.9,20.5,25,23.6,21.1,15.9,11.3,8.9
1986,7,5.9,9.2,11.9,17.5,18.8,22.4,24.1,20.1,16.4,11.3,6.1
1987,6.6,7.8,8.2,12.4,14.5,19.9,24.9,24.3,22.6,17,11.9,8.7
1988,9.5,8,9.3,12.6,17.8,20.1,25,24,19.5,16.8,8.7,6.1
1989,5,7.8,10.9,12.6,16.1,19.7,22.9,23.7,19.2,13.5,10.2,8.2
1990,6,9.6,10.3,12.3,17.3,20.8,23.3,23.5,19.9,17.4,11.6,5.6
1991,6.7,6.2,12,10.8,13.7,20.1,24.2,24.4,22,15,10.8,4.9
1992,7,7.4,10.1,12.7,17.7,19.6,23.3,25.5,21.2,16.8,13,8.3
1993,6.4,5.8,8.1,12.4,17.4,21.4,22.5,25,21.2,15.7,9.8,8.9
1994,7.3,7.9,11.4,12,17.2,20.4,24.8,25.9,21.6,16,12.1,8.4
1995,6.3,9.1,8.1,11.4,15.7,19.4,24.9,23.6,18.7,16.4,10.5,8.8
1996,8.5,6.6,8.4,12.5,16.6,21.1,23.1,23.5,18.1,14.8,13.6,8.1
1997,8.4,8.8,10.4,10.6,17.4,21.6,23.3,24.2,21.2,15.7,11.9,8.3
1998,7.6,8.5,8.7,13,17,21.8,24.6,24.4,20,15.6,10.1,5.7
1999,6.3,5.8,9.8,12.3,17.6,21.3,24.2,25.5,22.1,16.7,11,7.9
2000,5.3,7.6,9.9,13.5,18.5,22,23.1,24.8,20.6,16.4,12.9,9.7
2001,8.9,8.3,12.6,11.5,18,20.9,24.5,25.7,18.8,18.1,11.2,5.7
2002,5.3,9.3,11.5,13,17.3,22.3,24,23.2,19.5,15.9,14,9.1
2003,7,4.7,9.3,12.2,18.8,23.1,26,26.4,20.7,15.7,13,8.5
2004,6.3,8.4,9.2,12.2,15.2,20.8,23.9,24.6,21.1,17.8,11.7,9.2
2005,5.9,4.8,8.8,11.8,17.5,21.9,24.9,23.7,20.7,16.1,11.3,6.2
2006,5.1,7.1,8.7,12.8,17.1,21.2,25.9,23.3,21.2,17.1,11.9,8.9
2007,9.2,9.5,10.4,14.3,18,22.2,24.3,23.9,19.6,15.3,10.6,7.7
2008,8.2,7.8,9.5,13.2,17.9,21.5,24.6,24.8,20.5,16.7,12,7.9
2009,7.3,6.6,9.7,13.5,18.6,21.1,24.6,25.8,22.3,15.3,12,7.8
