1901,4.2,6,8.2,10.4,15.3,17.6,20.8,23.7,18.2,15.6,9.4,5.9
1902,4.3,7.4,7.4,11.3,16,19.3,22.7,23.3,18.6,14.2,7.4,5.3
1903,5.2,5.3,6.8,10.8,14.8,20.2,21,21.8,17.4,13.6,7.2,6.1
1904,5.1,4.3,6,13.2,15.5,18.5,23.1,22.3,19.6,13.8,10,6.5
1905,4.8,6.3,10.1,13.3,15.3,18.7,23.4,21.7,17.4,11.4,8.1,6
1906,5,7,9.2,13.8,16.7,20.4,23.5,24.4,18.1,13.7,7.6,5.2
1907,0.6,6.2,8.1,11.7,17.7,20.2,24.1,23.5,20,14,9.4,5.8
1908,4.8,6.3,8.3,12.2,15.6,20.9,24,24,18.2,12.6,9.2,4.5
1909,0.1,6.1,8.7,11.9,15.3,20.3,22.6,22.7,19.8,13.3,7.4,2.5
1910,4.1,3.7,9.6,12.3,17.6,18.2,22.5,20.8,18.6,13.1,7.4,5.9
1911,2.5,5.3,9,10.1,15.7,19.2,24.9,23.4,17.7,13.2,6.9,5.2
1912,4.8,7.6,8.1,12.2,18,21,23.6,22.8,18.6,12.5,8.4,5.4
1913,1.9,4.4,7.2,12,16.1,20.9,24.1,24.6,18.6,12,7.6,6.1
1914,5.7,5.9,9.5,13.1,17.4,19.9,23.3,23.4,16.1,14.6,8.3,3.6
1915,4.8,7.4,10.7,13.9,16.5,21.1,24.1,24.6,19.3,13.6,7,5.7
1916,-1.9,5.6,7.5,11.8,15.1,20.5,21.6,24.1,19.3,13.7,6.8,3.1
1917,3.7,3.6,5.7,10,15.7,18.7,22.9,23.3,18.6,13.9,10.6,6.3
1918,6.3,4.5,7,11.7,14.9,21.4,22.2,21.4,20.6,13.8,7.8,5.5
1919,6.2,4.9,7.2,11.2,14.5,17.1,22.1,22.3,20.4,12.1,8.2,4.8
1920,4.5,6.8,7.1,9.8,13.7,18,23.2,23.8,17.5,12,9.2,6.5
1921,4.7,6.7,7.9,11,14.9,18.4,20.5,21,17.2,14.1,7.9,3.9
1922,3.1,3.7,6.2,9.9,15.6,20.8,23,22.5,19.1,14.4,7.9,3.2
1923,4.3,4.1,8.1,12.8,15.2,20,23.2,24,20.9,15.2,9,5.7
1924,5.2,8.3,9.4,11.2,17.4,20.6,23.9,21.6,18.7,14.3,7.7,3.5
1925,5.4,7.6,8.9,12.8,18.2,19.8,24,23.8,20.8,14,9.3,8.3
1926,5.9,8.8,12.4,13.9,16.7,19.7,22.5,23.6,19.8,14.8,10,5.8
1927,4.3,8.3,8.7,10.2,15.5,20.6,23.9,24.2,18.8,13.8,7.9,2.6
1928,6,7.3,10.3,12.3,16,20.2,24.3,23.8,19.9,12.8,9.2,5.4
1929,2,3.9,9.4,11.1,16.6,20.1,23.4,24.4,20,15.5,8.6,5.6
1930,-0.9,7.2,9.3,13.8,16.1,20.8,21.8,22.6,20.3,13,8.5,7.4
1931,7.6,8,9.3,13.3,17.2,19.2,22.9,24,17.7,14,7.2,5.7
1932,3.2,5.9,8.3,12.2,16.4,21.1,20.2,22.3,20.6,14.7,9.5,3.8
1933,4.2,3.5,7.6,12.1,13.7,18.8,22.3,25.2,16.5,13.9,9.9,5.4
1934,7.3,8.6,11.9,14.9,17.5,20.6,22.5,23.7,18.7,14.7,9.7,5.9
1935,3.6,8.1,6.2,11.8,17.1,20.5,23.1,23.4,20.6,11.8,7.7,7.6
1936,5.5,2,7,12.9,17.3,20.9,23.3,24.6,18.9,15.9,8,6.2
1937,-0.7,3.8,10,10.3,16.2,20.6,23,21.8,19.4,15.5,8.5,6.1
1938,5.2,5.4,8.7,13.1,15.8,20.7,24.6,22.5,20.1,14.5,7.8,5.8
1939,6.5,4.8,8.4,13.6,16.7,17.6,22.3,25,19.8,13.5,10.7,8.1
1940,6.1,7.3,10.6,14,18.3,21.7,22.6,24.9,22.4,16.1,7.2,7.5
1941,6.9,8.4,12.1,13.6,17.3,19.5,25.4,23,18.2,15.5,9.5,6.6
1942,5.9,7.3,9.3,13.6,16.4,19.8,24.2,25.6,21.2,16.3,8.6,6.7
1943,2.4,8,8.3,13.9,15.2,19.6,22,22.6,19.9,15.4,8.8,6
1944,5.7,6.8,9.1,13.3,17.2,19.3,23.3,22.2,20.7,16.3,9.6,4.8
1945,7.2,7.6,8.4,11.1,17.7,19.8,24,23.7,19.1,15.3,7.2,5.5
1946,5.6,6.9,8.8,11.3,17.3,18.4,22.6,23.9,19.2,13.3,5.9,4.6
1947,2.8,7.5,10.8,13.8,18.6,19.5,22.9,22.5,20.7,13.6,8.1,6.8
1948,5.1,5.1,8.2,10.6,15.4,21.1,21.6,20.1,18.6,14.2,7.8,3.5
1949,1.6,4.9,9.2,12.4,17.8,20,22.3,21.2,21.7,12.9,11.6,3.8
1950,-2.2,5.2,6.8,11,14.9,20.7,23.9,23.1,18.7,12.1,7.8,7.6
1951,4,6,6.4,13.5,16.9,21.6,24.5,23.6,21.3,13.2,8.8,3.6
1952,3.3,6.3,7.8,12.8,16.7,18.2,23.4,23.5,21.7,17.1,8.1,6.5
1953,6.9,6.8,8.9,11.9,16.6,17.7,23.1,22.8,20.7,14.8,9.4,7.2
1954,2.4,7.7,8.3,10.3,17.2,17.7,21,20.6,18.3,13.8,10.5,6.5
1955,5.1,5.1,5.5,10.3,14,17.9,19.8,22.8,19.2,13.5,5.4,3.9
1956,4.3,3.7,6.7,13.9,18.4,17,24.4,23.1,18.3,12.4,7.4,5.7
1957,1.1,4.9,8.6,13.1,18.6,20.3,21.3,21.8,22.9,14.6,8.7,7.4
1958,7.2,8.8,9.9,12.7,19.3,22.6,26.1,25,19.2,15,7.8,6.4
1959,5.2,6.1,8.3,12.7,16.4,19.5,24.4,22.3,17.6,13.7,8.3,6.1
1960,4.4,7.1,8.2,12.7,14.6,18.9,25,21.1,19.9,14.5,8.1,5.9
1961,7.2,7.6,9,11.4,15.9,21.6,24.1,25.4,19.1,13.1,7.1,4.9
1962,5.4,7.1,7.6,12,13.9,19.1,22.1,20.1,19.9,13.9,9.2,6.7
1963,2.7,10,8.8,11.5,17.8,18.9,20.6,22.9,20.9,14,8,5.9
1964,5.4,7.2,8,10.9,15.4,18.1,20.6,21,17.8,14.5,7,3
1965,4.1,6,10,11.5,14.2,19.7,23.4,21.5,18.1,14.3,8.3,4.6
1966,4.7,6.6,8.3,12.4,15.6,17.2,19.9,22.3,18.5,12.9,8.2,6.7
1967,5.3,7.7,7.1,10.3,15,20.9,22.8,25.8,20.9,12.7,8.7,5.2
1968,4.8,10,8.7,10.6,16.3,18.1,24.2,20.9,18.3,12,8.1,3
1969,-0.2,5.8,10,10.6,17.9,21.6,22.9,20.7,17.7,13.3,8.4,6.1
1970,4.6,8.8,10.3,10.9,15,21.1,21.9,22.4,17.6,13.1,7.9,4.2
1971,4.1,6,6.6,11.6,16.2,15.7,23.2,23.3,17.5,12.2,7.3,2.6
1972,2.2,6.2,8.1,9.1,17.5,17.9,23.4,23.3,16.6,13.1,8.2,3.1
1973,4,6.9,8.3,12.6,16.3,18.1,22.2,20.8,19.4,11.9,5.8,6.1
1974,4.8,6.2,7.8,11,13.5,18.7,20.6,22.8,22.6,14.9,7.8,6.7
1975,3.6,4.2,7.6,10.5,15.7,18.1,22.9,19.5,21.4,11.8,7.4,5.4
1976,5.6,5.9,6.3,12.1,14.3,17,20.5,19.1,19.2,14,9.5,7.1
1977,4.1,8.7,8.1,13.4,14.2,19.3,21.1,24.5,16.9,12.9,6.9,4.6
1978,4.5,7,9.7,11.5,15.6,20.9,23.3,21.5,16,14.7,5.9,4.2
1979,3.2,4.9,10.8,12,16,19.4,23,22.5,19.5,14.3,8.2,7.2
1980,2.6,6.7,8,13.1,15.5,16.9,21,20.9,17.9,14.8,8.3,6
1981,7.7,7,10.9,11.6,14.9,16.6,21.3,24.1,18.8,12.8,8.9,5.2
1982,3.8,6.2,8.8,11.1,16,21.4,21.3,21.8,19.9,14,6.9,5.9
1983,7.7,8.5,10.8,13.5,17.7,18.6,21.4,23.5,18.4,13.3,8.8,3.1
1984,6.8,7.8,10.4,11.8,13.7,18,23.5,22.3,18.1,11.6,7.2,2.7
1985,4.4,5.8,8.5,11.5,15.8,19.3,25.6,23.3,18.7,12.9,2.7,4.3
1986,7.4,6.4,10,10.1,15.3,19.8,20.5,25.2,18.5,15.2,8.2,5.9
1987,5.5,8.5,9.9,13.4,17.1,20.6,21.9,23.7,21.6,16.7,9.1,4.8
1988,5,7.7,9.1,12.4,15.3,18.3,22.5,22.3,18.9,13.6,7.9,5.8
1989,4.7,3.8,6.8,14.9,16,20.5,21.4,21.2,22,13.2,8.8,6.2
1990,5.6,5.3,9.8,13.2,15.1,18.1,24.4,23.5,20.6,11.8,8.3,2.8
1991,3.9,9.7,7.8,12.1,15,17.2,22,21.7,20.5,13.5,8.7,6.8
1992,6.9,9.1,12.9,13.5,18.5,21.6,22.7,22.9,18.4,13.8,8.3,4.1
1993,3.9,6.7,10.2,11.8,18.2,18.9,20.4,22.5,20.5,15.3,7.6,6
1994,8,5.7,11,13.4,17.8,18.8,24.2,23.7,20.8,13.8,7.2,6.1
1995,7,8.6,10,13,18.9,21,23.4,20.7,21.7,13.2,10.4,6.3
1996,4.7,7.8,9.7,12.1,14.8,19.4,24.7,23.7,17.7,12.8,6.9,3.4
1997,5.5,7.9,8.1,12,17.6,18.4,22.4,23.9,20.2,12.9,10.2,7.3
1998,5.7,8,9.9,13.4,16.9,20.3,23.1,24.5,21.2,13.9,9.2,5.8
1999,6.3,6.9,8.3,12.9,14.8,18,22.1,22.8,20.7,14.2,9,6.6
2000,5.2,7.5,9,13,15,20,22.1,21.8,19.5,14,7.9,5.7
2001,6.4,6.1,9,11.4,15.5,17.8,21.6,21.8,18.9,12.5,9.1,5.8
2002,5.4,7.1,5.7,11.7,14.2,20,22.7,22.8,19.3,13.2,10.1,6.8
2003,8.9,7,8.5,11,14.8,20.7,23.2,23.1,20.1,14,7,6.1
2004,4.8,8,10.1,14.7,15.8,20.6,23.6,23.6,18,13.5,8.6,6.6
2005,5.5,9,10.7,12.1,17.2,18.3,21.6,22.6,18.2,13.2,7.5,6.7
2006,7.8,7,8.3,12.4,17,21.1,23.9,22.6,20.4,13.9,6.8,6.3
2007,5.6,7.2,9.2,11.8,16,18.7,23.9,22.7,18.2,12.8,8.1,5
2008,4.7,7.5,7.8,10.5,15.9,18.3,22.2,23.1,20.3,13.3,10.1,2.7
2009,5,6.4,6.8,12.1,15.5,20.4,24.5,22.7,20.1,12.8,8.2,3.5
