1901,1.2,5,10,12.1,15.2,19,23.5,22.8,20,15.1,8.4,7.2
1902,4.8,8.1,7.4,12.2,14.5,19.4,23.1,23.9,20.8,15.9,7.1,2.9
1903,3.2,5.6,8.4,10.6,16.1,18.6,22.4,23.4,19.7,15.1,9.3,7.2
1904,3.4,8,7.5,11.9,16.4,20.4,23.7,23.3,18.5,15,6.8,4.4
1905,0.3,2.4,7.6,11.4,16.5,19.4,24,24.7,21.8,13.4,12.4,5.2
1906,3.3,4.8,9.1,11.4,14.8,19.2,23.5,22.1,19,14,10.4,4.5
1907,1.2,3.1,3.8,10,18.1,20.2,23,23.1,19,17.3,8.9,6.3
1908,2.5,4.5,7,10.5,18.8,21.1,22.9,23.2,18.5,13.3,6.3,3.3
1909,1.5,1.7,8.6,12.1,16.3,20.5,23.5,23.3,20.6,14.8,9.1,7.7
1910,4.2,7,6.5,11.4,15,19.5,22.4,23.3,18.7,14.4,9.3,7.5
1911,2.9,2.1,7,10.5,15,20.1,22.7,23.7,19.7,15.1,10.9,5.5
1912,2.3,7.2,9.7,10.1,15.2,20.7,22.8,22.4,17.7,13.5,8.3,5.7
1913,3.6,3.4,8.9,11.7,14.7,19.6,21.1,21.5,20.4,15.1,10,4.6
1914,2,4.5,9,12.1,15.2,18.9,22.6,23.1,18.5,13,8,6.2
1915,6.2,5.5,8,11.4,16,21,23.3,22.6,17.9,14.6,9,7.7
1916,4.4,5.4,10.1,11.5,16.5,22.6,24.3,22.1,18.5,14.9,10.7,7.9
1917,5.3,3.1,7.9,11.3,14.9,20.6,23.5,24.9,20.7,15.5,9.8,2.6
1918,4.4,2.9,6.5,11.7,16.4,19.9,23.4,23.5,21.8,16,9.4,4.8
1919,6.3,6,9.1,11.8,13.6,19.4,22.3,22.5,20.1,14.9,10.1,5
1920,5.3,3.7,8.7,13.5,16.8,20.1,23.7,23.4,19.6,12.4,6.2,4.8
1921,6,3.7,7.4,10.8,17.3,18.2,24.2,24.5,18.9,13.6,7.8,4.4
1922,3.5,4.1,10.7,12.5,16.2,21.4,24.3,24.7,20.3,15.2,7.4,4.3
1923,4.1,5.8,8.3,11.5,17.5,18.9,23.4,23.5,21.1,16.3,13,6.3
1924,1.1,4.8,7.3,13.1,17.8,21.2,23.7,23,22.1,14.6,8,4.1
1925,3.3,7.6,7.7,11.6,15.8,18.9,23.2,23.6,20.3,15,11.5,4.8
1926,5.2,7.6,8.3,13,16.2,20,22,21.9,20.8,16.4,13.6,5.7
1927,5,3.6,10.2,12.5,17.2,22.7,25,24.9,21.7,15.3,11.9,5.8
1928,4.9,3.7,6.3,13.4,15.5,21.2,25.4,25.4,21.6,15.1,11.4,3.8
1929,2.2,1,6.1,10.6,18.4,21.1,23.8,24.6,18.3,14.6,11.2,6
1930,4.9,4.8,9.5,12.7,15.3,20.6,23.8,23.6,20.9,14.6,10.7,6.2
1931,5.4,5.4,8.2,10.4,16.6,22.1,25,24.7,19.2,14.5,9,3.6
1932,2.6,2.1,6.6,11.4,16.2,20.2,24.5,23.9,22.5,17.3,9.4,6.3
1933,3.2,5.8,6.8,10.5,14.4,18.1,22.4,23.1,18.2,15.2,11.8,4
1934,3.8,3.7,9.7,13.8,17.6,20.6,23.7,23.8,20.1,15.1,11.4,6.4
1935,2.6,5.6,6.6,12.1,16.3,22.3,23.6,23.6,20.3,16.9,9.7,6.9
1936,7.9,6.6,9.7,13.2,15.5,19.5,24.7,23.5,19.2,14.1,9.5,4.1
1937,3.3,7.1,10.4,12.2,16.9,21.8,24.6,23.8,20.9,15.2,10.6,5.6
1938,3.6,4.3,8.2,10.2,15.7,22.1,25.1,24.2,19.4,15.8,10.1,5.3
1939,6.1,5.9,6.1,13,15.4,19.3,25,23.8,20.3,16.4,9.9,5.4
1940,1.7,5.3,7.4,11.2,14.8,19.3,23.6,21.8,19.8,16,11.1,2.9
1941,5,7.5,8.8,12.7,15.8,20.6,23.9,23.7,17.2,13.3,7.5,3.4
1942,-0.1,4,6.9,11.7,17.6,21.9,23.9,23.7,22.3,15.5,9,5.9
1943,2.2,5.8,6.4,12.2,15.6,20.1,24.1,25.1,22.1,16.5,11.6,6.5
1944,3.9,4.6,6.2,12.7,15.9,21.6,23.4,22.9,20.4,15.6,9.9,4.3
1945,2.3,4.3,7.6,12.2,20.1,22.4,25.1,25.2,20.5,13.9,9.4,5.4
1946,3.4,5.1,8.2,12.9,17.5,22.3,25.2,26.2,22.8,13.7,11.6,3.8
1947,0.9,6.8,11.5,14.4,17.6,21.6,24.4,24.2,20.7,14.1,10.7,6.4
1948,7.2,4.1,7.4,12,17.1,19.3,22.5,24.3,19.8,15.8,9,2.1
1949,4.2,4.1,5.3,11.7,17.1,19.6,22.5,21.6,18.9,14.2,10.7,6.2
1950,2.2,6.4,8.4,13.1,17.2,22.1,25.6,24.5,21.2,14.4,10,7.4
1951,5.4,7.4,9,12.5,17.1,21.6,23.9,24.2,20.4,12.4,10.6,4.8
1952,5.1,4.5,7.2,13.9,16,21.6,24.3,26.4,22.4,14.5,10,7.3
1953,4.1,5.4,5.1,12.4,15.4,20.9,24.7,23.2,19.9,14.4,7.1,2.7
1954,2,2.7,8.2,10.5,14.9,22.5,24.3,23.5,20.9,14.1,9.3,5.7
1955,7,8.7,8.1,9.8,17.6,21.1,23.6,21.8,19.1,15.2,9.3,6.1
1956,4.8,2.9,4.6,11.8,16.2,19.8,23.8,25,20.2,13.7,9.5,3.8
1957,3.1,7.2,7.6,12,15,22.1,23.7,23.8,19.5,15,10,4.4
1958,4.1,6.9,6.9,10.7,18.1,20.8,24.1,24.6,18.4,13.8,10.3,6.9
1959,3.5,3,9.2,11.9,16.3,19.5,23.1,22.6,17.7,11.4,9.2,7.5
1960,4.8,6.1,7.9,11.8,16.5,20.5,22.6,23.8,18.6,15.9,11.6,7.7
1961,4.1,4.2,9,13.9,16.3,21,23.5,23.7,19.6,14.5,11.4,5.5
1962,5.3,3.6,7.8,12.3,17.4,20.5,23.9,25.3,20.5,14.6,11.7,3.6
1963,3.1,5.7,6.6,12.2,16.1,21.4,24.8,24.8,21,14.3,11.2,6.2
1964,1.6,4.6,8.3,12,15.8,21.7,23.2,22.6,18.8,15,10.4,5.9
1965,4.5,2.1,7.8,10.9,15.6,21.3,24.2,21.7,20.2,13.3,10.3,6.6
1966,3.6,8.2,7.7,13.1,15.9,20.6,23.9,24.6,20,17.3,10.3,5.1
1967,2.4,3.9,8.1,11.5,16.9,19.4,23.5,24.6,20,15.4,9.7,5.3
1968,2,6.1,7.4,13.7,19.3,20.5,23.7,21.7,19.4,13.5,10.3,5.2
1969,2.7,6.3,7.5,10.9,18.6,20.4,22,23.1,20.6,13.6,10.8,5.5
1970,6.1,6.2,8.3,12.7,14.8,20.9,23.1,23.5,19.7,13.3,9.3,5.3
1971,6.5,4.8,6.5,11.7,17.7,21.1,22.2,24,17.9,12.3,9.2,4.7
1972,5.9,6.1,8.5,12.7,16.7,21.7,22.5,22.2,18.4,11.1,8.8,3.8
1973,4,5.5,5.9,10.7,17.1,20.3,23.2,22.1,20.2,14.4,7.6,5.9
1974,3.9,6.6,8.2,10.4,14.9,19.8,23,23.4,19.4,14.7,8.5,4.2
1975,2.8,3.5,9.1,12.3,16.8,20,23,22,21.2,14.2,8.4,4.6
1976,3.6,4.6,6.9,11.6,16.1,19.6,22,19.9,17.8,14.7,8.9,4.9
1977,4.5,8.6,9.3,11.9,17.5,20.7,24,23.2,18.8,13.8,11.3,3.3
1978,4,6.5,8.7,11.3,15.7,20.7,23.2,22.2,17.6,13.3,6.2,6.8
1979,3.8,6.6,9.8,10.8,16.5,21.8,22.7,22.1,19.6,14.2,9.9,6.2
1980,2.7,4.3,7.8,10.4,14.6,20,23,23.1,19.4,14.8,10.7,4.6
1981,2.1,4.6,9.9,12.4,15.9,22.4,22.7,22.8,19.8,16.4,6.9,6.6
1982,4.1,3.6,7.1,10.8,16.6,21.8,23.1,23.3,21.4,15.1,8.3,6.2
1983,4.2,3.4,8.2,13.3,18,19.1,23.4,22.1,19.1,13.3,8.1,4.7
1984,5.3,5.8,7.1,10.5,16.9,19.9,22.6,21.5,19,16.2,9.8,4.9
1985,2.9,2.4,7.6,13.2,18.1,20.5,23.6,23.9,20,13.4,10.5,5.9
1986,4.9,5.6,8.6,13.5,17.6,20.9,22.5,24.5,20.6,14.4,8.7,2.9
1987,4.2,6.3,4.1,11.5,15.1,21,25.7,23.2,22.9,14.3,10,6
1988,6.2,5.6,7.7,11.8,17,20.9,26.1,25.4,19.8,14,7.8,3.9
1989,3,5.7,10.2,13,15.5,19.2,23.3,23.4,19.9,13.2,8.7,5.1
1990,2.5,7,10.4,12.6,17,21.2,24.8,23.5,19.3,15.6,11.1,4.8
1991,2.7,4.3,9.5,10.9,13.7,21.4,22.8,22.6,19.8,15,9.9,2.4
1992,3.2,3.9,7.3,11.5,15.8,20.2,22.8,25.2,19,16.7,9.9,3.8
1993,3.3,2.9,6.9,11.8,16.7,21.1,22.9,24.2,19.6,16.2,8.5,6.3
1994,5.8,5.7,9.3,12.8,17.4,20.8,24.7,25.5,23,15.7,8.6,4.3
1995,4.1,7.4,7.7,11.2,16.3,21.8,24.4,22.7,19.1,13.2,7.1,6.3
1996,3.8,4.5,5.1,10.9,17.9,22,23.3,23.5,17.9,12.9,10.1,6.1
1997,5.2,5.9,7.4,8.5,18,21.8,23.4,22.1,19.3,13.3,10.3,5.1
1998,5.1,7.1,6.2,13.2,16.9,22.3,24.9,25.9,19.6,15.4,9.2,3.3
1999,4.4,4.5,8.5,12.8,18.3,22.5,24.7,24.9,20.7,16.1,10.4,7.1
2000,1.5,5.5,8.1,14.2,18.5,22.6,24.9,24.7,20.3,14.7,12,6.8
2001,6.3,5.7,12.1,12,18,21.2,25.3,25.8,20.4,16.3,9.5,2.2
2002,3,8.2,10.1,12.1,17.7,22.9,25.1,23.6,18.9,14.6,10.9,5.5
2003,6.3,1.8,7,11.1,19.4,22.9,25.3,25.8,19.6,15.3,10.9,4.9
2004,3.3,5.7,8.6,12.8,15.9,21.2,24.5,23.3,20.1,16.3,10.1,6.5
2005,4.4,3.5,8.1,12,17.6,21.3,24.5,23.6,20.3,13.8,9,5
2006,2,4.6,8.2,13,17.5,21.4,24.3,24.3,19.8,15.1,7.7,4.5
2007,6,6.6,9.3,13,17.9,23.1,26.1,24.8,19.1,14.4,8.8,3.2
2008,4,5.4,10.1,13,17.2,22.7,24.6,25.5,19.4,14.8,10.6,6.1
2009,5.4,4.7,7.7,12.8,18.4,21.7,24.7,24.7,20.5,14.7,9.8,7.2
