1901,0.4,4,10.2,13.2,16.8,20.9,25.8,24.9,21.5,16,8.4,7.1
1902,4.3,7.8,7.7,13.4,15.8,21,25.5,26.3,22.3,16.7,7.4,2.6
1903,2.6,5.2,8.9,11.4,17.8,20.3,24.6,25.8,21.5,16.1,9.6,7.2
1904,2.8,7.7,8.1,13.2,18.2,22.2,26.1,25.6,20.1,15.8,7,4.3
1905,-0.7,1.9,8.2,12.4,18.1,21.2,26.4,27,23.5,13.9,12.6,5.1
1906,2.5,4.2,9.2,12.6,16.6,20.9,25.8,24.6,20.3,15.1,10.7,4.1
1907,0.7,2.5,4,11.1,19.8,22,25.2,25.6,20.7,18.5,9.1,6.3
1908,1.7,3.9,7.3,11.6,20.5,22.7,25.2,25.5,20.1,14.5,6.3,3
1909,0.8,1.1,8.9,13.3,17.9,22,25.5,25.6,21.9,15.9,8.9,7.7
1910,3.9,6.6,7.1,12.5,16.8,21.3,24.5,25.5,19.9,15.6,9.5,7.6
1911,2.4,1.8,7.4,11.6,16.8,21.7,25.3,26,21.3,16.1,11.2,5.5
1912,1.9,7,10.2,10.9,16.9,22.4,25.2,24.5,18.8,14.4,8,5.3
1913,3.1,3.2,9.5,12.8,16.5,21.5,23.4,23.8,22,16.2,10.4,4.6
1914,0.9,3.8,9.3,13.3,17,20.6,24.9,25.5,20.1,13.9,8.2,6
1915,5.2,5,8.2,12.5,18,22.9,25.6,24.9,19.3,15.2,8.9,7.4
1916,4,4.9,10.5,12.6,18.1,24.1,26.5,24.5,20.1,15.7,10.8,7.6
1917,4.5,2.1,8,12.3,16.8,22.5,25.8,27.3,22.4,16.3,9.7,2.4
1918,3.8,1.9,6.9,12.6,18,21.7,25.6,25.9,23.3,16.7,9.5,4.2
1919,5.5,5.4,9.4,12.7,15.2,21.2,24.5,25,21.8,15.4,10.1,4.6
1920,4.8,3.7,9.1,14.7,18.8,21.8,26.1,25.6,21.3,13.4,6.4,4.7
1921,5.6,3.6,8.1,12,19,20.1,26.5,26.8,20.5,14.8,7.8,3.9
1922,2.6,3.3,11,13.5,17.9,23,26.5,27,21.7,15.6,7.4,4
1923,3.4,5.2,8.6,12.7,19.3,20.5,25.8,25.9,22.5,17.3,13.1,5.7
1924,0.5,4,7.6,13.9,19.6,22.9,25.8,25,23.5,15.5,8.1,3.9
1925,2.8,7.4,7.8,12.9,17.5,20.7,25.4,25.7,21.6,15.7,11.4,4.2
1926,4.4,7.2,8.7,14,17.6,21.2,23.9,24.1,22.5,17.3,13.7,5.3
1927,4.2,3.2,10.3,13.5,18.7,24.3,27.2,27.2,22.9,16.1,12.2,5.5
1928,4.3,3.5,6.9,14.3,16.9,22.7,27.8,27.8,23,15.8,11.3,3.4
1929,1.4,0.7,6.7,11.8,20.3,22.8,26.4,26.9,20.1,15.5,11.3,5.8
1930,4.3,4.2,9.8,13.5,16.9,22.5,26.1,25.9,22.6,15.4,11,5.9
1931,4.2,4.6,8.2,11.1,18.4,23.9,27.2,27,19.6,15.1,9.2,3.3
1932,1.7,1.8,6.8,12.4,17.8,21.9,27.1,26.8,24.6,18.8,9.7,6.3
1933,2.4,5,7.4,11.5,15.7,19.5,24.7,25.2,19.7,16.7,12,3.9
1934,3.2,4.1,10.4,15.6,19.8,22.6,26.2,26.1,21.3,16.1,11.3,5.7
1935,1.3,5.2,6.7,13.1,18,24.4,26.1,25.9,22.2,18.1,9.5,6.5
1936,7.4,5.6,10,13.9,17,20.7,26.8,25.3,21,14,9.1,4.1
1937,2.9,6.9,10.4,12.5,18.7,24,26.6,25.6,21.6,15.3,10.3,4.9
1938,2.4,3.6,9.1,10.7,17.3,24.2,27.4,26.2,20.2,16.8,10.2,4.3
1939,5.7,5.9,6,14.5,16.8,20.5,27.2,25.8,21.5,16.9,9.8,4.8
1940,0.9,4.7,7.5,11.7,16,20.4,25.2,23.6,20.9,16.4,11,1.9
1941,4.1,6.8,9.4,13.2,16.7,21.9,25.7,25.8,18,14.4,7.3,3.8
1942,-1.2,2.6,6.8,12.2,19.5,23.6,26.3,26,24.3,16.8,8.9,5.4
1943,1.8,5.9,7.7,13.8,17,21.4,26.4,27.9,23.8,16.9,10.9,6.3
1944,3.7,3.8,5.7,13.3,17.4,23.7,25.3,25.3,21.8,15.6,9.8,3.6
1945,1.1,3.9,8.3,13.4,22.5,24.7,27.9,27.5,21.9,14.9,9.3,4.9
1946,2.7,4.8,8.4,14.6,19.4,24.2,27.9,28.8,24.5,14.5,10.9,3.1
1947,0.4,6.6,11.5,15.9,19.8,23.5,26.7,26.5,22.4,15.5,10.8,5.7
1948,6.3,3.5,8.7,13.3,18.8,20.5,24.5,26.5,21.6,16.9,9.6,2.9
1949,4,4,5.9,13.6,19.1,21.3,24.7,24,20.8,14.8,10.7,6.7
1950,3.2,8,9.1,14.2,19.3,24.4,29,27.7,22.8,15.6,10,6.9
1951,5.1,6.7,8.6,13.5,19.4,23.7,26.5,26.8,21.6,13,10.9,5.5
1952,4.8,4.2,8.5,16,17.8,23.7,27,29.5,23.8,15.5,9.7,6.3
1953,3.3,5.2,6.8,13.7,17.1,22.3,27.1,25.5,21.6,15,8,3.3
1954,1.2,1.7,7.8,11.3,16.6,24.9,26.6,26,23.1,15,8.5,5.5
1955,5.7,8.6,8.3,10.6,20.1,23.4,25.9,23.8,19.7,15.3,9.3,6.9
1956,4.3,1.7,4.8,13.2,18.2,21.3,26.3,28.1,22.3,15.3,9.4,4.2
1957,3.1,7.5,9,13.7,16.5,24.2,26.2,26.6,21.1,15.7,10.3,4.6
1958,3.9,7.4,6.5,11.4,20.4,22.7,26.7,27.5,19.8,15.3,10.4,6.6
1959,3,4.2,9.7,13,17.8,21.1,25.4,24.9,19.4,13.1,9.3,7.3
1960,4.5,6,7.8,12.9,17.8,22.9,25.2,27,19.6,17.1,12,7.2
1961,3.5,5.3,10.4,15.4,17.8,22.9,25.9,26.8,22.2,16.1,11.4,5.1
1962,4.9,3.1,6.7,13.3,19.3,22,25.8,28.6,22,15.6,11,3.1
1963,1.7,4.2,6.7,13.1,17.3,22.9,27.1,27.5,22.7,14.9,11.7,6
1964,2.5,4.8,8.1,13.6,17.3,23.5,25.4,24.7,20.5,15.5,10.6,5.5
1965,4.1,1.2,8.8,11.6,17.5,23.4,26.4,23.9,22.3,15.7,10.7,5.8
1966,2.5,7.8,7.7,14.2,17.8,22.3,26,27.1,21.9,17.5,9.8,4.3
1967,2,4.1,8.8,12.3,18.8,21.3,25.8,27.2,21.1,16.9,10.5,5
1968,1.5,5.6,8.1,16,21.7,22,26.1,23,20.8,14.7,10.1,4.5
1969,2.2,5,6.6,12.2,20.7,21.4,24.1,24.9,21.3,15.4,11.2,3.9
1970,4.5,4.9,8.1,13,15.9,22.5,24.7,25.6,21.2,14.3,10.1,5.4
1971,5.5,4.3,5.8,13,19.8,23,24.3,26.8,18.6,13.5,9.5,5.2
1972,4.5,5,9.9,13.5,18.5,23.6,24.6,23.9,18.7,11.3,9.2,4.3
1973,3,4.6,5.6,11.3,19.2,22.1,25.1,24.7,21.7,15.2,8.3,5
1974,3.8,5.9,8.6,10.9,16.2,21.5,25.8,26.6,21,14.8,8.6,4.8
1975,2.9,3.7,9.1,13.7,18.2,21.6,25.2,24.4,23.5,15.5,8.3,5.2
1976,3.5,4.8,7.5,12.7,17.7,21.2,23.9,21.8,19.4,15.6,8.8,4.5
1977,3.8,8,10.3,13.8,19.7,22.8,26.1,25.6,20,15.6,11,3.7
1978,3.2,5.3,9.1,11.3,17,22.9,26.1,25,19,14.6,7.7,6.3
1979,2.8,5.9,10,11,18.4,24,25,23.8,21.5,14.9,9.7,6.2
1980,1.8,4.5,8.1,11.5,15.3,21.6,25.1,25.3,21.3,15.2,10.5,4.8
1981,1.5,4.4,10.5,13.8,17.5,24.3,24.6,25.1,21,17,7.5,5.7
1982,3.7,3.7,7.6,11.3,19,23.8,25.2,25.5,23.3,15.4,9,5.6
1983,4.6,3.3,8.9,14.8,19.7,20.2,25.2,23.9,20.5,14.9,8.3,3.9
1984,4.3,3.9,7,10.8,18.1,21.6,25,23.1,20.2,17.2,10.1,4.6
1985,1.3,2.3,7.1,13.8,19.6,21.9,26.4,26.6,22.4,15.2,9.9,6.2
1986,3.9,4.2,8,15.1,19.4,22,23.8,27.2,22.9,15.5,10.2,3.2
1987,3,5.3,4,13,16.4,22.5,28.3,25.3,25.1,14.7,9.7,6.1
1988,5.2,5.5,7.6,13,18.7,21.9,28.9,28,21.1,15.3,8.3,3.9
1989,3.8,6.3,11.5,14.1,16.6,19.8,24.9,25.6,21.2,14.7,9.2,5.1
1990,3,8.3,11.6,12.5,18.1,22.1,26.6,25.4,20,16.2,10,3.1
1991,2.2,3.5,9.1,10.8,14.6,22.7,24.5,24.2,21.3,15.1,9.6,2.4
1992,3,4.4,7.8,12.1,17.3,21.2,25,28,20.4,17.1,10.3,3.8
1993,3.4,3,6.9,12.8,18,22.7,25,26.8,21.2,17,7.8,6
1994,4.7,4.6,10.1,13.1,19,22.4,26.7,27.9,24.6,15.6,8.6,4.4
1995,2.7,7.2,7.8,12.3,17.4,22.6,26.5,24,19.5,14.9,7,5.1
1996,2.6,3.1,4.3,11.6,19,23.5,25.3,25.2,18,13.4,10.4,5.2
1997,4.7,6.3,8.2,8.8,19.8,23.4,25.1,23.7,20.7,13.8,9.5,4.2
1998,4.2,7,6.7,14.2,17.3,23.7,27,27.5,19.7,15.5,8.5,2.8
1999,3.6,3.7,8.5,13.3,19.6,23.4,25.9,26.7,21.4,16.4,10.1,6.4
2000,1.2,4.7,8.7,14.7,20.2,24.3,26.4,27.3,21.1,14.9,12.1,6.5
2001,5.2,4,13.4,12.1,19,21.9,26.4,27.5,20.4,17.3,8.9,0.8
2002,2.4,7.7,10,12.3,18.8,24,26.3,24.6,19.2,14.5,10.7,4
2003,4.4,1.2,7.9,11.6,21.4,24.7,26.6,27.9,20.2,14.5,10.2,4.1
2004,1.8,5.2,7.8,12.6,16.5,22,25.8,24.4,20.7,16.4,9.6,5.2
2005,3.1,2,7.5,12.1,18.7,22.1,25.5,24.3,20.4,14.2,8.8,3.9
2006,0.9,3.2,8,12.8,18.8,22.7,26,24.9,20.6,15.4,8.2,4.4
2007,5.2,5.7,8.9,14.1,18.6,24.3,28.4,26.3,19.4,14.2,7.6,2.4
2008,3,5.1,9,13.1,18.5,24,25.8,27.9,19.5,15.2,9.9,4.5
2009,3.2,3.4,6.8,13.2,20.2,22.7,25.9,26.6,21.6,14.5,9.7,5.5
