1901,4.3,5,7.6,10.4,15.3,17.9,21,23.8,17.9,15,8.5,5.4
1902,4.1,6.2,6.9,11.1,15.9,19.2,22.7,23.2,18.2,13.3,6.8,4.8
1903,4.8,4.4,6.4,10.6,14.9,20.2,21,21.8,16.9,12.8,6.4,5.8
1904,4.9,3,5.5,12.8,15.2,18.4,22.7,22.4,19,13.2,9.5,6.2
1905,4.5,5.6,9.8,13.1,15.3,18.8,23.5,21.6,17.2,10.8,7.5,5.5
1906,4.6,5.9,8.7,13.1,16.2,19.8,24.1,24.1,17.4,12.9,7.1,4.5
1907,0.1,5.3,7.5,11.3,17.6,19.9,23.9,23.2,19.6,13.5,8.7,5.4
1908,4.8,5.4,7.7,11.8,15.2,20.4,23.4,23.6,17.6,11.8,8.7,4.3
1909,-0.7,4.9,8.2,11.3,14.8,19.9,22.3,22,19.3,12.6,6.5,1.7
1910,4,2.7,8.9,11.8,17.4,17.6,22.1,20,18,12.3,6.7,5.7
1911,2.1,4.6,8.5,9.8,15.4,18.8,24.5,23.2,17.3,12.5,6,5
1912,4.8,7.1,8.3,11.8,17.7,20.8,23.3,22.5,18.3,11.7,7.9,5.4
1913,1.8,3.9,6.8,11.2,15.6,20.3,23.2,24,18.1,11.6,7.5,6.2
1914,5.5,5,8.5,12.6,17.2,19.8,22.5,22.9,16.5,14.2,8.2,3.4
1915,5.1,6.6,10.1,13.2,16.4,20.3,23.2,24,19,12.9,6.8,5.7
1916,-2.7,4.7,6.6,11,14,19.5,20.9,23.2,18.2,12.5,6.2,2.9
1917,3.7,2.5,5,9.9,14.7,17.7,22.2,23,18,13.1,9.9,5.2
1918,6,3,6.1,11.1,13.9,21,21.8,21,20.4,13.2,7.6,5.6
1919,5.8,3.8,6.3,10.8,13.8,16.7,21.2,22.2,19.6,11.1,6.7,4.5
1920,3.6,6.5,6.3,8.8,12.9,17.1,22.9,23.3,17,11.1,8.5,6.2
1921,4.7,5.7,6.9,10.5,14.4,17.8,20.1,21.1,16.7,13.1,6.8,3
1922,3.3,2.8,5.9,9,15,20,22.7,22.2,18.4,13.5,7.7,3.1
1923,4.4,3,7.3,12.7,14.4,19.5,23,24.2,20.2,14.1,8.9,5.4
1924,5.1,7.7,8.2,10.5,16.9,19.5,22.4,21.2,18.6,13.4,7,3.5
1925,5.4,7.1,7.9,12.3,18.2,19.3,23.6,23.2,19.6,12.2,8.9,8
1926,6,8.1,10.8,13.4,15.6,20.2,22.6,22.8,18,13.8,9.2,5.4
1927,4.7,7.4,7.9,10.1,14.7,20.1,23.2,23.5,18.5,13.1,7.2,2
1928,6.3,6.4,9.4,11.7,16,19.4,23,22.5,18.3,12.3,8.7,4.7
1929,2,3.1,8.6,10.2,15.5,19.4,22.2,23.1,19.1,13.7,7.1,4.5
1930,-1.5,6.9,9.4,12.9,15.2,20.6,21.4,23,18.9,12.1,7.8,7.7
1931,8.4,7.2,8.7,13.3,17,18.3,23.1,23.1,16.9,12.7,5.7,5.1
1932,3.5,4.7,7.6,11.8,15.3,20,19.6,22.1,18.8,13.2,8.7,3.7
1933,4.5,2.8,6.8,11,12.9,17.5,21.1,24.4,16,12.2,9.9,4.3
1934,7.8,8,10.7,14.8,16.7,19.6,21.8,22.7,17.7,13.4,9.2,5.1
1935,3.5,7.5,5.4,11,15.7,19.4,21.8,21.6,19.2,11.8,6.7,7.7
1936,5.6,1.6,6.9,12.4,16.8,19.7,21.9,23.4,17.4,14.9,8.6,5.6
1937,-1.6,1.9,8.8,9.7,14.7,19.6,21.8,20.7,18.8,14,7.7,6
1938,5.3,3.4,8,12.4,16.1,20.1,23.6,21.7,19.6,13.1,6.9,5.7
1939,6.8,3.8,7.7,13,15.8,17.6,21.7,23.7,18.4,12.4,10.5,8.4
1940,6.2,6.4,10,13.3,17.2,20.7,21.9,23.9,21.3,14.4,6.5,6.8
1941,7.1,7.9,12.1,13.9,16.7,19.3,24.5,22.8,18.1,14.5,9.5,5.9
1942,6.2,6.9,8.8,12.8,16.1,19.7,23.7,25,19.4,14.7,6.8,5.9
1943,2.2,7.5,7.7,12.8,14.7,19,21.4,21.7,20.2,13.3,8.6,6.3
1944,5.9,6.5,8,12.4,16.4,19.8,23.2,22.6,20.8,15.7,9,5
1945,6.9,7.2,8,10.8,17.2,18.9,23.1,22.9,18.4,14.1,6.4,5.5
1946,5.9,6.2,8.1,10.9,18.7,18.1,21.6,23.4,18.7,12.2,6.2,4.2
1947,3.1,6.7,9.8,12.9,17.8,18.3,21.8,22,19.7,12.6,6.7,6.2
1948,5.3,4.7,7.6,10.2,14.7,20.7,21.3,19.8,18,13,7,3.2
1949,1.5,3.9,8.1,11.8,17.4,19.3,21.6,20.6,20.8,11.9,10.2,3.5
1950,-1.8,5.1,6.5,10.6,13.9,20,23.1,22.7,20,11.1,7.1,6.8
1951,3.8,5.5,5.8,12.9,16.1,21.4,23.9,22.9,20.5,12.5,7.8,2.8
1952,3.4,5.8,7.3,12.3,15.9,17.5,23.3,23.4,20.8,15.8,7.6,6.1
1953,6.6,6.3,8.2,11.5,15.5,17.2,22.3,21.8,19.6,13.5,9,6.6
1954,2.4,6.7,7.9,10.1,16.6,17,20.4,20.5,18.3,12.8,10.3,6
1955,5.2,5,5.3,10.1,13.9,17.3,20.1,22.4,19.1,12.7,5.1,3.4
1956,4.8,3.3,6.5,13.3,18,16.5,23.8,23.5,18,11.5,6.7,5.8
1957,1.5,4.6,8.2,12.1,18.4,19.6,20.1,21.1,21.7,13.1,7.7,6.6
1958,6.7,7.9,8.8,12.7,19.8,22.8,26.7,24.4,18.6,14.1,7.3,6
1959,5.3,5.4,7.8,12.6,15.7,19.1,23.9,21.7,17.1,13,7.4,5.7
1960,4.3,6.4,7.6,11.8,13.6,18.2,24.9,20.3,18.7,13.1,7.7,5.6
1961,6.8,6.7,8.4,11.1,15.9,21.4,24.2,25.7,18.1,12.2,6.2,4.4
1962,5.4,6.5,7,11.5,14,19.4,22.1,19.4,18.8,13,8.6,6.2
1963,3.4,9.1,8.4,11.8,17.3,19.3,20.4,22.8,20.7,13.4,7.6,5.7
1964,5.5,6.5,7.6,10.9,14.7,17.7,20.1,21.1,17.4,13.7,6,2.4
1965,3.8,5.4,8.4,11.2,14.7,19.8,23,21.5,18.1,12.9,7.6,4
1966,4.7,6.1,7.9,11.8,15,17.1,20.4,22.4,17.8,12.4,7.6,6.5
1967,5.5,6.5,7.1,10.6,15.4,21.9,23,26.2,20.6,12.6,7.7,5.1
1968,5.3,8.6,8.8,10.7,16.4,18.3,24.4,20.8,18.1,12.5,7.7,2.6
1969,-0.3,5,9.2,10.5,17.6,21.8,22.5,20.3,17.8,12.8,7.9,6.1
1970,4.8,7.6,9.7,11,14.7,20.5,21.7,21.9,17.6,12.3,6.8,4.3
1971,3.9,5.6,6.6,10.9,15.6,15.7,23.1,23.1,17.1,11.9,6.9,1.8
1972,2,5.6,8,8.9,16.5,17.6,22.8,23,16.4,12.1,7.3,3.3
1973,4.1,6,8,12.2,15.6,17.4,21.5,20.8,18.7,11.7,5.1,5.8
1974,4.6,5.5,7.6,11.1,13.3,18.5,20.5,22.9,21.6,13.6,7.3,6.5
1975,3.8,3.5,7.5,10.5,15.3,18.1,23.1,19.6,20.4,11.6,7.2,5.2
1976,5.8,5.7,6.5,11.3,14.3,17.1,20.2,19.7,18.8,13.1,7.9,7
1977,4.4,8,7.8,12.9,13.9,19.5,20.8,24.6,16.7,12,6.4,4
1978,3.9,6.1,9.1,11.1,15.1,20.6,23.4,22,16.7,13.6,5.7,3.8
1979,2.6,5,9.6,11.9,15.6,18.8,22.9,22.9,19.2,13.4,7.3,6.9
1980,3.1,6.5,7.9,12.9,15.9,17.4,21.2,21.4,18.1,14,8.1,5.8
1981,7.4,6.7,10.5,11.8,15.2,17,21.7,24.4,18.7,12.7,9.1,4.5
1982,3.9,5.9,8.6,10.6,15.9,21.8,21.1,21.7,19.5,13.6,6.4,5.4
1983,7.5,7.7,9.9,12.9,17.6,18.2,20.6,22.8,17.7,12.2,8.6,2.5
1984,6.6,7.5,10,11.6,13.5,17.9,22.7,21.7,17.6,11.2,6.6,2.4
1985,4.3,5.2,8,10.9,15.4,19,25.3,22.5,18.2,12.3,1.8,3.6
1986,7.7,5.9,9.8,10.2,15.1,19.1,20.3,24.9,18.3,14,7.7,5.5
1987,6.1,8,9.6,12.8,16.7,20.3,21.5,23.2,20.7,15.1,8.8,4.8
1988,5.1,6.7,8.8,11.8,14.8,18.1,22.3,22.3,19.1,13.1,7.8,5.5
1989,5,3,7.2,14.4,15.9,20.4,21,21.1,21.2,12.5,8,6.3
1990,5.6,4.7,9.2,13.1,15,18,24.1,24.2,20.6,11.5,7.6,2.6
1991,4.2,8.9,7.3,12,15.5,17.4,21.6,22,20.2,12.8,8.2,6.2
1992,7.1,7.8,11.7,12.7,17.9,21.2,22.7,22.8,17.9,13.3,7.8,3.6
1993,3.4,5.6,9.3,11.1,17.5,18.6,20.2,22.8,20.7,14.2,6.8,5.8
1994,7.6,4.9,10,12.6,17.2,18.2,24,23.4,20.3,13,6.5,5.6
1995,6.3,7.5,9.1,12.6,18.9,20.7,23,20.6,21.4,12.4,9.4,6
1996,4.7,6.7,9.3,11.8,14,18.9,24.2,23.2,17.6,12.4,6,2.6
1997,5.4,7.1,7.7,11.7,17.2,18.1,22,23.9,19.4,12.3,8.6,6.5
1998,6,7.5,9.4,12.8,16.6,20,23.4,24.3,21,13.1,8.8,5.1
1999,6.2,6.3,7.7,12.3,14.2,17.4,21.5,22.6,20.2,12.7,8.3,5.6
2000,5,6.8,8.5,12.5,14.8,19.7,22,22.2,19.5,13.7,7.6,5.4
2001,7.2,6.5,9.3,11.4,15.7,17.8,21.9,21.5,18.9,11.9,8.3,5.3
2002,5.8,6.7,5.1,11.1,13.9,20,22.3,23,18.7,12.2,9.4,6.6
2003,8.5,6,7.9,10.6,14.4,20.4,22.6,22.5,19.3,13.1,6.7,6.2
2004,4.8,7.6,9.7,14,15.6,20.5,23.2,23.5,17.6,12.9,8,6.2
2005,5.4,8.5,10.3,11.9,17.2,18.6,21.2,22.3,17.8,12.4,7.2,6.4
2006,7.9,6.4,7.8,11.8,16.3,20.5,23.3,22.3,20.1,12.9,5.2,6.2
2007,5.7,6.2,8.5,10.9,15.2,17.8,23.4,22,17.7,11.9,7.2,4
2008,4.2,6.8,7.1,9.4,15.4,17.3,21.5,22.1,19.6,12.3,9.7,2.4
2009,6,5.9,6.5,11.7,15.2,20.5,24.5,22.9,20,11.5,7.6,2.8
