1901,1.4,1.8,7.8,14.3,18.2,23.2,23.5,23.3,19.4,15.2,6.3,4.7
1902,3.3,5.8,9.9,15.1,13.9,20.2,24.1,23,19.8,13.4,6.8,3.2
1903,2.5,5.9,11.1,11.3,17.8,20.5,23.1,24.5,21,16.5,9,4.6
1904,4.6,7.7,10.9,15.1,20.1,23.6,25.7,24.6,18.2,15.1,7.2,4.2
1905,1,4.4,10.1,13.4,16.7,22.1,25.3,23.5,20.2,11.6,9,4
1906,2.9,5.3,8.6,13.5,18.1,21.8,23.9,25.1,18.5,15.8,10.3,2.8
1907,1.1,4.4,8.2,12.1,19.2,22.9,22.4,24.4,20.7,17.4,8.2,5.6
1908,2.9,5.2,8.8,12.1,20.7,23.2,24,22.8,19.4,16.3,6.4,3.6
1909,1.9,2.7,8.1,14.9,18.1,21.3,22.6,24,19.9,16.9,7.3,6.1
1910,3.2,7.5,10.9,13.6,17.4,23.1,22.1,23.2,18,15.6,7,7.6
1911,2.8,5,9.9,14.4,18.1,21.9,26.3,26.4,21.8,15.6,11.5,6.4
1912,3.5,8.3,12.3,12.6,17.9,22.6,23.7,21.7,15.4,12.7,5.4,5.1
1913,3.3,4.7,11.3,13.9,18,22.3,20.3,22.3,19.7,16.5,9.4,3.8
1914,-0.3,7.1,10.6,16.1,17.2,21.1,22.4,24.2,19.7,14.2,8.6,6
1915,3.3,5.8,9.1,14.6,20.6,23.2,24.1,22.8,19,12.8,6.8,7.4
1916,3.5,6.4,10.9,15.4,19.8,21.4,23.6,23.7,18.3,15,10.1,6.6
1917,2.1,3.6,7.9,11.7,19.5,24,24.3,25,22.6,14.2,7,2.9
1918,2.4,6.4,10.6,13.2,19.6,19.7,23.5,23,22,12.9,8,4
1919,5.4,5.2,10.2,12.6,16.6,22.1,21.4,25.2,22,12.6,6,3.5
1920,5.7,8.6,12.8,15.3,21.7,21.4,24.8,22.2,20.9,14.1,7.2,5.1
1921,6,6.5,12.5,13.2,20.6,22.4,25.3,25.5,21.2,17.6,8.7,4
1922,2.7,5,11.4,12.5,20.8,22.9,24.5,25.5,18.4,13.4,6.3,4.4
1923,3.8,6,11.2,14.2,19.5,18.6,24.9,25.1,19.5,17,10.6,4
1924,2.8,4.6,9.6,14.2,20.9,22.7,24.3,21.4,21.5,15.3,8.5,6.7
1925,4.8,8.4,8.2,14.5,18.8,22.1,23.4,24,19.2,16.2,8.2,2.5
1926,2.6,8.8,9.8,16.3,16.4,20.7,23.1,24.3,22.7,16.2,11.8,4.1
1927,4.3,5.1,12,15,19.4,24.4,25.2,25.3,21.5,15.4,10.7,4
1928,4.6,6.6,9.3,15.1,16.6,22,27.2,26,19.6,15.7,9.1,2.7
1929,0.5,1.4,9.6,11.7,19.1,23.5,25.6,24.7,22.9,16.2,10,6.4
1930,5.9,6,11.6,14.7,17.2,24.7,23.6,23.6,21.4,14.5,11.2,4.8
1931,3.4,5.4,8.4,12.8,20.7,25.3,25.1,23.6,16.3,15.1,9.7,2.7
1932,5,1.6,7.1,12.6,18.5,21.6,24,26.6,23.5,15.3,9.7,6.7
1934,3.4,6.2,11.2,17.1,20.8,22.2,25.1,23.2,21.6,15.5,9.7,6.8
1935,1.2,3.9,9.5,12.7,16.8,24.9,26.1,23.9,21.1,16.4,11,5.2
1936,7.1,6.4,12.3,13.9,18.9,22.1,24.5,24.1,20,11.5,8.3,4.3
1937,3,6.8,9.5,13.8,20.5,24.2,24.8,22.8,19.5,15.1,8.5,3.2
1938,1.7,6.1,12.3,11.3,16.8,25.2,25,23.8,20.3,16.5,10.8,4.2
1939,5.7,7.4,6.8,15.8,15.1,23.1,24.8,24.9,19.2,13.3,9.5,3.8
1940,0.3,3.1,8.8,14.2,18,22.6,23.9,23.3,20.8,14.4,9.6,0.3
1941,1.8,5.9,10.5,13,15.7,23.4,25.4,23.4,19.2,13.7,7.1,3.4
1942,-0.6,3.9,11,13.9,19.1,23.5,24.7,25.3,24.1,18.1,7.8,6.1
1943,2.4,8,12.1,15.9,19.5,21.9,25,27.2,22.4,17.2,7.5,5.8
1944,3.2,4.3,4.9,15.4,18.8,21.7,23.5,26.3,20,12.9,6.3,2.2
1945,-0.3,4.4,10,15.5,21.1,24.6,26.3,24.1,20.3,15,8.4,5.2
1946,2.8,5.9,11.1,15.5,19.9,22.1,26,25,22.6,13.6,7.6,2.3
1947,-0.9,3.6,9.4,17.5,20.3,23.9,26.2,27.2,23.5,15.2,8.5,3.2
1948,6.8,4.7,13.2,16.3,20,21.8,20.9,23.1,21.4,15.1,9.1,4.2
1949,4.7,6.8,8.2,17.6,16.9,20.9,23.6,22.8,21.5,16.1,8,3.4
1950,1.9,7.1,11.7,12.7,20.1,24.5,26.3,24.3,19.2,13.8,7.7,3.9
1951,4.8,7,7.7,13.3,16.4,22,22.6,24.3,22.1,13.9,10.4,4.2
1952,2.5,3.6,8.9,15.6,18.7,23.6,26.8,25.5,18.1,13.2,6.6,3.3
1953,2.9,4.4,11.4,15.2,19.4,20.6,23.7,23.4,20.3,16.1,8.4,5.7
1954,0.3,2.2,9.8,12.3,16.3,21.9,21.5,22.1,21.1,14.5,8.5,5.7
1955,4.9,5.4,6.9,13.8,16.8,21,23.2,21.9,19.2,14.3,7.6,4.4
1956,4.4,0.3,8.5,11.9,19.7,20.8,25.1,24.6,22.1,15.5,6.9,4
1957,3.6,7.8,12.2,14,16,22.7,24.8,23.2,20.4,15.6,9.8,4.4
1958,3.4,7.1,7.2,11.3,21.5,21.6,25.4,25,22,15.6,10,4.5
1959,3.7,8.7,11.7,14.9,18.6,22.6,26.3,23.9,20.4,15.4,9,5.7
1960,3.2,4.6,9.9,14.6,19.5,22.9,22.7,23.9,18.8,14.6,9.6,4.7
1961,3.6,8.9,12.4,17,18.3,23,23.5,24.9,24.1,16.7,9.2,4
1962,4.3,6,7.1,14.5,17.1,21.5,23.9,26.3,21.5,16.7,8.2,2.6
1963,-0.2,2.1,8.9,15,18.7,22.1,25.7,23.6,20.5,15.5,11,2.6
1964,1.9,6.1,7.9,14.7,19.6,24.4,25.4,23.8,21.6,13.6,9.1,3.7
1965,4.5,4.9,9.5,13.2,17.4,22.5,23.8,22.8,18.9,15.1,7.4,4.2
1966,1.2,8.3,10.5,15.4,19,24,23.1,22.3,21.1,16.4,7.2,3.8
1967,2.9,6.1,11.2,13.4,18.9,21.4,25.6,23.6,20.4,16.6,9.3,3.9
1968,1.9,6.1,11.7,15.1,17.5,21.2,23.8,21.7,20,16.3,9,2.5
1969,3.9,4.2,9.4,13.6,20.1,21,24.7,23.1,20.6,17.8,9.2,2.6
1970,4,5.1,7.6,13,16.8,23.8,24.8,23.7,21.9,15.5,10.5,3.8
1971,3.8,6.6,7.3,15.2,18.3,21.1,25.5,26.1,19,15.4,8.4,3.7
1972,3.2,7.6,11.9,13,17.9,21.6,23.5,23.4,17.1,13.7,8.4,4.3
1973,4.3,6.3,10,11.9,19.1,22.6,24.2,24.9,21,14.7,8.4,4.1
1974,5.6,9,10.6,13.8,18,20.7,24.7,25.7,20.8,11.4,8.7,5.4
1975,5.2,7.7,9,14.4,18.5,21.2,24.9,23.4,21.8,15,7.7,3.8
1976,4.2,6.9,9.1,14.1,19.7,24.3,24.8,20.7,18.3,15,9.3,3.1
1977,4,7,11.9,13.1,16.9,22.3,23.9,21.9,19.1,15.7,8.9,4.3
1978,4.7,4.6,10.7,12.4,16,21.7,23.1,22.8,20.7,15.5,8.9,3.1
1979,1.7,5.8,10.4,12.6,19.7,23.3,23.7,23,20,14.4,7.8,5.3
1980,2.9,7.7,9.4,12.3,16,20.4,22.7,24.6,20.9,14.2,6,2.4
1981,2.6,4.7,10.7,14.7,17.5,22.2,23.3,23.7,19.8,14.5,8.3,3.5
1982,2.8,3.9,9.4,13.9,19,23.7,25.3,23.3,21.9,14.5,9.4,5.1
1983,3.9,3.7,10.3,13.7,17.3,22.4,27.4,23.7,20.9,15.7,8.2,4.2
1984,3.4,4.4,8.3,13,14.7,21.2,24.9,22.7,18.7,15.1,9.4,5
1985,-0.9,3.6,8.6,14,18.7,21.4,25.7,25.2,22.7,16.4,6.7,5
1986,3,1.7,9.1,13.2,21.1,21.9,24,24.5,20.3,16.4,9.4,4.1
1987,1.5,5.2,6.8,14.6,16.4,21,24.8,23.3,22.7,14.3,8.6,4
1988,6.3,6.9,9.9,14.1,18.8,20.9,25.7,24.8,20.6,16.6,7,5.2
1989,3.9,8.2,13.4,14.4,20,21.9,24.5,24.3,20.4,14.6,8.2,5.6
1990,4.4,9.4,13.5,13.6,20.7,22.2,25.3,25.3,20.4,16.3,10,4.2
1991,4.9,4.1,12.2,13.2,14.4,21.5,25.6,25.7,22.3,13.5,7.9,2.9
1992,4,6.1,10.4,14.2,20.8,21.7,25.1,26.9,21.6,13.6,9.5,5.1
1993,4.1,7.2,9.4,14.8,21.4,24.6,24.3,26.1,19.9,15,8.1,5.5
1994,6.7,5.8,14.1,13.3,18.4,23,27.3,26.7,20.4,14.7,9.9,4.8
1995,4.1,7,9.7,14,17.9,20,27.4,23.2,18.8,17,8.5,4.6
1996,4.4,4.4,8.2,14.5,18.9,23.3,23.1,23,17.4,14,9.4,3.9
1997,5.7,7.6,13,13,19.3,22,23.8,24.7,22.8,15.1,9.3,6.1
1998,5.7,10.3,11,14.2,19.4,23.6,25.7,26.3,20.4,14.3,7.9,3
1999,4.8,5.2,10.5,14.5,19.4,22.4,24.7,23.8,22,15.5,7.6,3
2000,2.2,6,10.3,15.8,21,24.6,23.3,26,21.2,15,10.1,5.7
2001,4.1,7.8,11,14.1,21.1,22.9,25.3,27,18.6,18,7.2,1.9
2002,3.8,6.7,12.4,13.8,19.6,24.9,25.1,24.2,19.6,15.5,11.6,5
2003,4.2,5.7,12.2,14.5,22.3,25.9,27.5,28.6,21.8,13,10.7,6.3
2004,3.6,5.4,10.2,15.2,17.5,23.2,25.7,25.7,21.2,16.2,10,6.9
2005,3.5,4.7,10.4,14.6,20.7,24.9,25.9,23.1,21.7,15.9,8.3,3.6
2006,3.2,5.2,9,15,19.3,23.6,28.6,21.5,22.9,17.8,10.7,6.9
2007,6.6,9.3,11.5,18,20.6,24.1,26.4,24,18.9,14.7,7.3,4.3
2008,5.9,8.8,9.5,13.9,19.8,24.2,25.3,25.4,19.5,16.2,8.2,3.7
2009,3.5,4.1,9.6,17,21.3,22.8,26.1,27,22.7,14,10.2,3.2
