1901,2.4,0.8,4.3,9.3,12.3,18.2,20.3,20.9,15.7,9.5,3.9,1.2
1902,2.3,3.6,6.9,9.1,10.5,14.6,20.3,19.2,15.2,9.7,6.6,2.9
1903,2.5,4.9,6.6,8.7,10.7,14.9,19.7,20.5,15.5,11.5,7,1.2
1904,2.3,3.9,4.3,9.5,14.4,17,20.9,20,15.2,11.9,5.3,4.4
1905,1.6,2.7,6.9,9.9,11.5,15.4,20.5,19.1,14.4,9.1,4.3,2.5
1906,3.7,2.6,5.3,6.9,11.8,17.7,20,22,16.4,11.4,5.9,2.2
1907,1.7,2.3,7.1,8,11,17.1,18.9,20.6,17,9.2,6.5,4.8
1908,3.2,4.2,4,6.7,14.3,15.4,19.9,20.1,16.4,12.4,7.4,3.6
1909,1.5,2,4.6,10.4,12.9,13.5,19.4,20.5,14.6,11.8,5.3,4
1910,2.3,5.1,5,7.8,10.2,16.1,18.7,19.2,15.4,10.6,5.8,4
1911,0.3,4.1,4.6,7,11.5,14.9,21.6,21.1,18.4,10,5.9,4.4
1912,2.8,5.9,7.1,8.7,13.6,15.8,17.7,17.3,14.8,9.9,5.6,2.1
1913,4.1,3.7,6.5,7.8,12.3,17.7,20.1,19.3,14.6,10.6,7.4,2
1914,0.2,4.8,6.5,9.7,12.1,14.7,18.7,19.9,17.5,11.2,5.1,3.2
1915,2.3,3.1,6,7.3,13.1,14.1,20,20.7,15.9,10,5.7,4.8
1916,3.6,3.2,3.7,8.6,12.7,15.6,19.4,20.8,15.5,11.9,5.8,3.3
1917,1.1,2.5,3.9,6.8,13.2,16.7,20.8,18.4,17.2,9.1,6.4,3.2
1918,3.4,4.8,5.1,6.8,13.1,16.9,20,21.5,15.8,8.8,5.8,3.9
1919,2.1,5.2,5.5,7.4,13.4,18.2,18.9,21.6,16.4,8.8,4.3,2.5
1920,3,4.9,6.4,8.9,12.6,15.7,18,18,15.8,10.3,5.3,2.5
1921,3.7,4.1,5.9,8.2,11.9,17.7,21,19.3,17.3,13.7,5.6,2.8
1922,3.1,4.9,5,7.8,15.5,15.5,18.9,19.4,14.1,10.7,6,2.3
1923,2.1,4.9,7.3,7.1,12.2,15.2,20.4,21,15.4,12.9,4.7,2.1
1924,3.7,1.4,6.5,9,13.9,17,19.7,18.9,15.7,12.1,6,3.2
1925,3.3,3.2,3.8,7.8,10.9,16.4,17.7,19.1,15.2,11.6,4.4,3.8
1926,4.2,7.8,7.5,9.2,11.5,16.1,20.2,22.1,19.8,13,6.4,1.9
1927,3.1,3.6,6.9,11,14.3,17.2,18.7,18.5,15.4,12.8,5.7,4.1
1928,3.1,6.2,7.1,8,11.2,17.4,22.2,20.5,17.1,11.6,6.7,1.7
1929,1.5,5,7.7,9.9,12.1,17.7,21,20,17.5,11.4,7.2,5.5
1930,4.4,2.4,7.6,7.9,13.3,17.2,18.5,20.9,17.7,13.8,7.9,5.6
1931,3.7,4.5,8.4,9.5,12.8,18.9,19.7,18.9,14.9,12.5,7.2,1.9
1932,3,2.1,7,7.4,12.2,15.8,18.3,21.6,17.2,10.7,7.7,4.8
1933,2.2,3.8,7.4,11.6,15.1,15.7,21.9,23.7,17.5,11.5,5.2,0.3
1934,1.9,3.3,4.8,8.3,14.7,18.9,21.9,18.9,18.6,13.1,3.9,5.9
1935,1.5,3.8,7,8.9,9.9,16.1,21.3,19.4,17.8,10.1,5.3,4.1
1936,5.7,5.6,6.1,8.1,10.5,14.6,18.5,21.1,17.1,9.6,5.3,1.6
1937,3.2,6.2,4.9,9.6,13,16.5,21.2,21.4,16.4,12.3,7.2,2.1
1938,2.8,3.3,8.7,9.4,11.2,18.4,19.5,19.6,15.3,12.1,8.4,2.8
1939,4.8,4.7,5.9,8.3,11.3,15.3,19.2,19.8,17.4,9.9,6.6,2.4
1940,2.5,6.3,9.3,9.9,12.9,16.7,19.8,20.8,16.9,10.4,6.3,1.6
1941,2,5,7.3,8.1,9.4,17,20,19.2,17.8,12.3,5.7,2
1942,2.9,2,8,9.6,12.8,17.7,19.9,19.7,16.7,13.1,6.1,3.3
1943,1.6,4.5,6.9,11.7,15,19.7,19.8,21.4,16.2,11.7,5.7,3.7
1944,2,2.1,6.5,10.3,13.5,16.9,19.7,20.9,16.7,9.1,6.8,2.6
1945,0.3,6.2,8.6,12.6,14,18.8,21,18.8,18.8,13.3,7.9,4.6
1946,1.7,5,6.5,8.8,9.8,16.2,20.4,19.7,17.2,13,6.8,2.1
1947,2.2,3.8,7.9,11.4,13,18.9,22.2,20.8,17,12.9,9.3,2.5
1948,5,5.6,10.3,9,12,17.8,19.7,19.9,18,12.6,8.4,5.1
1949,4.1,5.8,6.3,12,12.2,17.9,21.8,22.4,17.2,12.7,7.2,3.9
1950,3.2,5.5,7.6,9.3,12.2,17.8,21.5,19.7,16.7,12.4,8.1,1.8
1951,3.8,3.8,6.6,9.3,9.6,17,20.7,18.8,17.8,10.7,7.5,4.9
1952,1.7,4.2,9.5,9.6,13.8,18.7,19.5,19.1,14,12.7,7.2,3.9
1953,1.7,2.9,6.7,9.1,15.3,15.6,19.7,21.9,16.8,10.9,7.5,6.8
1954,1.4,3.3,6.6,7.7,12.5,15.8,19.3,18.6,17.1,13.1,8.6,3.6
1955,6.7,4.6,5.7,11.5,14.8,17.2,20.7,21.3,16.8,11.8,6.9,5.2
1956,4.7,0.9,6.6,7.9,12.7,15.4,18.8,18.6,16.3,11.1,4.7,1.1
1957,0.2,6.6,10.1,8,11.4,15.9,19.6,20.4,17.2,11.4,4.9,2.1
1958,4.2,6,6.9,7.9,13.9,15.4,19.2,19.6,19.1,11.3,6.3,5.2
1959,4.7,4.5,7.6,8.7,12.2,16.9,21.1,19.6,16.5,11.7,6.6,5.1
1960,3.6,4.9,7.7,9.3,14.2,18.6,18.8,18.5,16.4,9.5,7.4,2.6
1961,2.9,7.9,9.3,10.7,14.1,17.6,19.5,19.6,18.3,11.5,6.8,4.5
1962,4.5,4,6,8.8,12.7,17.3,19.7,21.4,18,13.3,4.6,1.8
1963,3.1,2.2,6.8,8.3,12.2,16.4,20.5,18.7,15.6,13.3,7.9,2.3
1964,1.6,5.1,6.2,8.9,16.4,16.9,21.4,20.1,19.2,10.3,6,1.5
1965,2.7,2,7.2,8.8,14.7,18.4,18.9,20.1,14.4,12.6,6.8,5
1966,6.1,7.3,6.1,9.2,13.6,16.3,19,19.8,19,10.7,4.8,3.2
1967,2.6,5.2,8.3,8,10.9,15.4,21.8,19.6,16.2,13.7,7.2,2.6
1968,3.7,5.2,6.3,9.2,11.5,17.5,19.9,19.6,16.4,15,8,4.8
1969,4.4,2.8,6.2,8.7,12.1,15.3,21.3,20,14.5,12.8,6,3.1
1970,5.8,4.7,4.6,8.6,12.8,17.7,21,19.5,18.8,10.7,9.4,0.3
1971,2.1,4.7,3.8,9.7,11.5,14.9,20.3,19,17.2,13.7,4.8,3.9
1972,2,5,6.6,8.2,11.1,15.8,19.9,18.2,14,10.9,8.3,3.9
1973,2.5,3.9,5.7,8.3,12.9,16.4,19.4,21.7,16.8,10.9,6.4,2.5
1974,5.2,4.6,6.5,8.1,12.7,16.8,19.8,19.6,15.4,8.3,7.1,3.2
1975,5,5.8,4.7,9,11.1,16.8,21.1,20.3,15.7,12.7,6.3,1.1
1976,1.7,5.2,7.1,8.2,14.5,19.6,20.3,20.1,15.2,10.3,5.7,4.9
1977,3.7,6.7,7.6,9.3,10.9,14.1,17,18,18.2,13.1,6.5,6.1
1978,2.9,6.1,7.4,7.8,11,14.4,19.7,21.1,18.6,11.8,6.9,6.1
1979,5.1,5.8,5.8,7.6,12.7,17.9,20.9,19.9,17.7,11.7,5.9,4.4
1980,3.4,6.1,6.6,7.8,10.7,15.4,19,20.5,18.9,11.8,6.2,1.9
1981,2.4,3.1,9.1,8.8,11.5,18.2,20,21.4,18,12.5,8.1,5.3
1982,6,5.6,6.6,11,13.9,18.4,21.9,20.8,17.7,11.2,6.5,4.7
1983,2.7,3.2,8.1,8.9,10,17.5,21.6,19.6,19.1,13.3,10.5,4
1984,4.5,4.6,5,11.9,9.3,16.2,21,19.2,16.1,12.3,8,4.9
1985,1.5,6.8,6.6,9.7,11.2,17.4,21.7,20.1,20.3,13.8,5.8,3.8
1986,4,4,7.3,5.6,14.1,18.4,21.4,19.8,17.7,13.3,6.7,6.6
1987,2.6,5.1,6.8,10.5,12.2,17.4,20.4,22.2,20.4,11.7,7.4,5.6
1988,6.2,5,7.4,9.3,12.1,15.4,19.3,21,17.7,13.4,8,2.9
1989,2.9,6,9.6,7.5,15.6,18.4,22.6,21.8,16.9,14,9.8,8
1990,3.6,8.7,8.8,8.1,14.7,18.7,22.4,22.4,19.7,12.5,6.3,2.4
1991,3.5,4.3,8,8.2,12,18.3,21.8,23.4,19.1,10.1,7.1,4.1
1992,1.7,4.9,8,10.1,15.6,14.6,21.9,21.9,17,10.2,8.6,5
1993,2.5,4.6,7.3,8.8,12.9,17.7,20.2,22,14.9,9.2,5.9,5.5
1994,3.8,5.3,10,8.5,14.7,18.1,23.2,22.3,15.3,12.9,9,5.6
1995,5.1,6.8,8.1,11,15.3,18.5,22.3,21.6,15,15.1,9.2,5.5
1996,6.5,4.1,7.4,10.3,12.4,19,21.8,19.9,15.7,12.2,7.8,4.9
1997,4.4,7.9,11,12.2,13.8,16.1,19.6,21.9,19.4,14.7,8.2,4.9
1998,6.1,7.3,10,8.2,13.2,18.4,21.4,22.5,17.7,11.6,7,2.7
1999,3.7,4.7,7.7,10.1,15.1,18.3,22.3,21.4,17.7,12.5,5.3,4
2000,1.8,7.7,8.4,8.2,14.6,19.1,20,20.7,17.9,12,6.8,6.6
2001,5.6,5.7,10,9.7,14,19.8,20.4,22,16.7,14,5.5,0.9
2002,5.3,6.3,8.5,10.2,12.7,19.8,20.7,20,16.9,12.7,8.2,6.7
2003,3.8,3.8,9.5,10.3,14.2,21.1,21.6,22.9,18.7,11.1,8.3,4.5
2004,5.1,4.9,6.3,8.7,12.7,20.6,21.3,20.9,18.6,13.1,5.6,3.9
2005,2.3,2.4,7.6,10.7,15.4,21.5,22.1,21.7,17.4,13.3,6.4,3.4
2006,2.7,3.4,8.4,10.8,15.8,20.3,23.8,20.1,19.1,14.4,10,3.4
2007,4.3,6.9,6.9,10.9,13.5,16.9,20.5,19.9,17.3,11.9,5.9,3.1
2008,5.4,7.1,7.2,10,12.9,17.7,20.4,20.9,16,11.1,5.7,3.3
2009,3.1,5.1,8.5,9.1,15.5,19.7,21.7,22.9,18.2,14.3,9.2,4.1
