1901,2.3,0.6,6.1,10.5,13.2,18.8,21.3,20.4,17.5,10.4,4,1.3
1902,2.1,4.4,7.9,10.8,11,16.7,21.2,19.8,16.4,10.8,6.1,2.6
1903,2.3,5,7.5,8.6,13,16.6,20.6,20.3,16.8,13.1,6.7,1.8
1904,3.4,5.4,5.8,10,14.3,18.1,22.1,21.1,15.8,12,4.6,3.5
1905,1.4,2.9,8.5,10.6,12.1,17.9,22.1,20.1,16.1,9.7,4.8,1.6
1906,3.4,3.6,5.9,8,12.8,18.3,20.6,21.2,17.7,12.5,6.2,1.7
1907,1.6,2.6,6.6,9.3,12.4,17.1,19.5,20.2,17.2,11.2,6,4.8
1908,2.1,4.7,5.8,8.5,14.5,16.9,20.2,19.8,17,13.3,6.5,3.1
1909,1.2,1.7,6.4,10.3,13.5,15.8,19,20.2,15.7,12.8,5.2,3.8
1910,2.7,6,6.3,8.9,11.8,17.5,19.5,19.5,15.5,11.7,6.7,4
1911,0.2,4.3,6.4,8.2,13.3,17.3,22.4,22.1,19,11.6,6.5,5.1
1912,3.4,6.7,8.9,9.1,14.2,16.8,19.7,18.6,14.6,10.7,4.6,2.8
1913,4.7,4.6,7.8,9.2,13.3,17.4,19.8,20,16.5,12.4,8.4,2.4
1914,-0.1,6.1,8.5,10.5,12.5,15.9,19.5,19.6,17.1,11.3,5.5,3.8
1915,2.6,4,6.2,8.1,13.6,18.2,20,20.4,16.3,10.2,4.9,4.8
1916,4.1,5.2,6.3,9.5,13.9,15.9,19.9,21,16.1,12,6.8,3.7
1917,1.1,3.2,5.8,7.45,14.25,17.95,20.8,19.65,17.75,10.55,6.05,0
1918,2.5,4.4,6.5,8.2,13.6,16.9,20,19.5,16.5,9.6,5.2,4.2
1919,1.3,4.8,6.7,8.2,12.9,16.8,19.5,20.1,17.7,9.2,3.6,2.8
1920,2.6,4.6,7.1,9.8,13.5,16.8,19.3,18.6,15.9,11.4,4.9,1.5
1921,3.6,4,6.9,8.9,13,18,21.9,20.2,18.5,14.3,5.5,3.4
1922,3.1,5.3,7.1,9.8,14.9,16.9,19.1,19.9,14.9,10.9,5.2,2.1
1923,3.1,6,8.7,10.9,15.3,17.8,21.4,21.6,16.3,12.8,5.4,2.5
1924,3.4,2.8,7.8,10.6,16.1,18.5,21.5,18.9,17.2,12.6,6.8,3.1
1925,2.6,5,4.3,9.2,12.7,17.9,19.7,19.6,15.6,11.9,4.2,2.8
1926,3.9,7.9,8.8,10.9,12.6,17,20.7,21.8,20.3,13.8,7.7,2.7
1927,4.2,5.3,8.1,11.4,14.8,17.9,20.6,20.9,17.5,13.3,7.2,4
1928,3.7,6.8,7.8,9.7,12.4,18.3,23.3,22.6,18.6,13.3,7.7,3.4
1929,1.1,3.9,7.5,9.2,13.7,19,22,20.6,19.1,12.8,7.4,5.7
1930,4.6,3.1,7.2,9.9,14,18.6,20.7,21.3,18.8,14.4,9.4,4.5
1931,3.7,4.4,8.6,10.4,14.3,20,21,20.8,16.3,12.9,7.9,2.6
1932,4,1.9,7.4,8.7,13.2,17.4,19.5,22.4,18.8,12.6,8.1,5
1933,2.1,5,8.2,11.8,15.2,16.7,22.5,24,19,13.5,5.3,0.5
1934,2.6,4,7,9.9,15.8,19.8,22.7,20.4,19.1,13.9,5,6.3
1935,1.3,4.9,6.5,9.9,11.1,17.7,21.4,19.6,17.9,10.9,6,4
1936,5.8,5.7,8,9.2,12.4,16.3,19.6,19.6,17.5,9.5,5.9,2
1937,4.2,7.3,7.3,10.8,14.3,18.4,21.4,21.8,17.5,11.8,7.4,2.7
1938,3,3.2,7.1,8,11.8,17,19.8,19.9,16.1,12.2,8.1,2.5
1939,4.9,4.4,6.1,9.5,11.6,16.5,19.1,19.1,16.8,11.1,7,2.2
1940,1,5.9,8.5,10.3,14.1,17.5,19.7,20.2,17.6,11.2,7.2,1.4
1941,1.6,5.4,7.6,9,11.8,17.9,21.5,19.6,16.8,11.9,6.2,2.6
1942,1.5,1.9,8.1,10.8,14.4,19.2,20.7,20.6,18,14.3,6.1,3.6
1943,4.8,5.2,7.5,11.5,15.3,19.1,21.7,21.6,18.1,12.8,5.9,2.5
1944,3.1,2.3,6.1,11.6,14.4,18,21.1,22.1,17.5,11,7.9,3
1945,-0.3,6.1,7.3,11.9,15,19.2,22,20.5,18.7,13.3,7,4.2
1946,0.9,5.8,6.6,10.4,13.4,17,21.4,20.8,18.9,13.2,6.8,1.8
1947,1.3,3.5,8.7,10.8,14.3,19.8,22.8,22.8,18.4,13.1,9.3,2.9
1948,5,4.5,8.7,10.5,14.4,17.9,19.5,21,17.4,12.6,7.8,4.2
1949,3.2,4.2,5.8,10.9,12.8,18.5,22.8,21.9,19.8,14,6.9,3.5
1950,2.1,5.9,7.2,8.6,13.9,19.4,22.6,20.9,17,12.3,8.2,0.9
1951,3.9,4.5,7.1,9.5,11.9,17.9,21.5,19.9,18.3,11.2,8.2,4.9
1952,1.7,3.8,10.1,11.2,15.9,20.9,21.6,21.9,15.9,13.9,7.5,4.7
1953,0.2,2.8,7.6,9.9,16.4,16,20.6,22.3,18.5,12.7,7.1,7.6
1954,1.3,3.1,8.1,9.3,13,17.5,19.1,19.9,18.3,13.7,9.1,4.5
1955,6.9,5.1,6.6,11.8,15.2,18.5,22.2,22,17.8,11.9,6.2,5.7
1956,4.1,0.8,7.8,9.2,14.5,16.2,20.8,20.3,18.6,12,5.1,2.4
1957,1.4,7.1,10.6,9.7,12.6,16.8,20.6,20.9,18,12.3,5.9,3.4
1958,3.3,6.2,8.1,9,15.8,17.7,20.8,21.4,21,12.8,7.2,5.6
1959,3.8,5,8.8,10.4,13.6,18.5,22.4,21.3,18.3,12.8,7.1,5.6
1960,3.4,5.5,9,10.4,16.3,19.9,20.3,20.6,16.9,11.3,7.8,2.6
1961,3.3,7.7,8.9,12.3,15.1,18.7,21.1,20.2,19.9,13.1,7.1,4.8
1962,4.6,4.1,6.1,10.1,13.2,17.9,21.1,22.4,18.6,13.5,5.1,2.2
1963,1.7,1.6,8,10,13.4,18.2,22,19.3,16.7,13.2,8.9,1.7
1964,0.8,5.5,7.3,10.4,16.8,18.9,23.1,21.3,20.3,11.2,6.6,2.8
1965,2.8,2,7.9,9.8,15.1,19.2,20.8,20.7,15.7,14,7.4,5.8
1966,4.7,7.9,6.9,11.2,14.5,18.8,19.6,20.8,19.8,12.8,6.1,5.4
1967,2.5,5,9.2,9.4,13.7,17,23,21.4,18,15.2,8.2,2.2
1968,4.2,5.5,7.1,10.9,12.9,18,21.1,20.2,18.1,15.4,8,5.2
1969,4.5,3.1,7.5,9.9,13.9,16.4,21.9,21.2,16.3,13.7,6.7,3
1970,4.9,5.7,5.7,9.3,13.7,19.3,21.6,21.4,19.9,11.9,9.2,1.7
1971,3.1,5.3,4.6,11.1,13.3,16.9,22,22.1,18.5,14.1,5.1,4.1
1972,3.3,5.8,8.4,9.5,12.5,16.2,20.9,19.4,15,12.1,8.4,3.8
1973,3.1,4.1,6.5,9.1,15.3,18.2,21.3,22.9,18.7,11.5,7,4.1
1974,5.2,5.3,7.8,9.3,14.1,18,20.7,20.7,16.7,9.5,7.9,4.9
1975,4.6,6.5,6.1,9.7,13.1,17.8,23,21.8,17.2,12.4,6.8,2.3
1976,2.6,5.7,7.7,9.1,14.7,21,21.9,21,17,12,6.1,5.1
1977,3.8,7.5,8.9,10.4,12.3,16.4,19.3,19.3,17.7,14.5,7.4,5.7
1978,2.7,6.7,8.4,8.7,12.7,16.3,20.5,21.3,18.8,12.4,6.4,5.6
1979,4.1,5.6,8.3,9,14.2,18.8,21.8,20.3,17.9,13.3,5.4,3.6
1980,2.9,6.6,7.5,8.9,12.2,16.1,20.3,21.6,18.9,12.2,6.2,2.3
1981,3.5,3,9.9,10.3,12.9,18.4,20,21.3,18.6,13.4,7.2,6
1982,6.4,5.7,7.2,10.5,14.3,20.2,23.1,20.5,18.7,12,8.1,4.5
1983,2.8,3.2,8.1,10.3,13.4,18.9,24.1,21,18.9,13.2,9.8,4
1984,4.3,4.1,6.2,10.5,11,17.5,22.3,20.2,16.7,12.1,9.2,3.8
1985,-0.1,6.3,6.5,11,12.8,18.2,22.9,20.6,19.6,14.2,5.3,3.5
1986,4.2,3.4,7.6,7.2,15.5,18.7,21.5,21.4,18.6,14.3,7.4,4.3
1987,0.7,5.1,7.7,11.8,12.8,17.8,21.9,21.3,20.5,14,7.4,5.3
1988,6.4,5.3,7.7,10.5,14.3,17.8,21,21.6,17.9,14,7.3,3.6
1989,3,5.5,9.1,8.9,15.5,19.1,23,22.7,17.7,13.8,9.2,7.2
1990,4,9.2,9,9.3,15.8,18.5,23,23.2,19.5,14.2,7.8,2.1
1991,3.3,4,9.3,8.8,12.2,17.4,22.4,23.7,20.2,11.7,7.6,3.9
1992,1.7,4.6,8,10.2,15.7,16.3,21.6,22.9,18,11.7,9.3,5.4
1993,3.7,4.4,7.6,10.1,14.7,19,20.6,21.9,17.3,11.6,6.3,5.9
1994,4.2,5.7,9.6,9.3,14.8,19.5,23.6,23.5,16.9,13.4,10,5.4
1995,4.8,7.7,8.1,10.7,15.5,18.8,23.5,22.7,17.1,15.7,8.8,5.8
1996,6.9,4.6,8,11.1,14.6,20.3,22.5,21.4,16.8,13,7.8,4.9
1997,4,7.9,10.2,12.1,15.1,19.4,21.6,23.6,19.6,15.2,9,5.4
1998,5.3,6.7,9.6,10.7,15.6,19.8,22.6,22.8,19.1,13,6.7,3.6
1999,4.8,5.2,8.8,11.5,16.7,19.4,23.2,23.2,20.1,13.8,6.1,4.6
2000,2.5,7.6,8.8,11.3,16.5,20.1,22,22.6,19.3,13.3,8.4,7.1
2001,6.2,5.8,10.4,11,15.7,20.2,22.4,23.2,17.6,16.1,6.1,1.9
2002,4.9,7.4,10.1,11.1,13.9,20,21.5,20.9,18.4,14.3,9.4,6.9
2003,3.8,4.6,9.7,11.8,15.3,22.5,24.2,24,19.3,12.9,9.4,5.3
2004,5.7,4.9,7.3,10.1,14.2,20.7,22.4,23.1,19.9,15.3,6.9,4.7
2005,3.5,3.1,7.9,11.2,15.8,21.7,23.5,21.8,18.4,15.2,7,2.3
2006,3.3,4.1,9.7,11.9,15.8,20.5,25.2,21.5,20.3,16.3,10.5,3.9
2007,5.2,7.8,8.7,12.5,15.6,19.6,21.8,21.8,18.2,13.1,6.5,4.1
2008,5.6,7.5,8.5,11.1,15,18.9,22.2,22.2,18,12.8,7.1,3.5
2009,3.3,5.2,8.4,10.4,16.1,20.6,23.1,23.6,19,14.7,10.2,4.8
