1901,3.1,1.1,5.2,12.6,15.7,20.6,23.1,25.7,21.7,17.1,9.1,3.4
1902,1.2,2.4,7.5,10.2,15.8,20,22.8,24.2,22,15.4,11,6.6
1903,3.4,2.6,8.2,12.7,15.1,19.7,22.9,26.1,23,15.7,8.5,3.2
1904,1.1,3.9,5.7,13.1,15.5,21.4,25.3,25.7,20.6,15.3,7.6,4.6
1905,3.7,1.9,5.6,10.7,16.2,21,24.8,23.9,21.7,15.8,9.7,6.3
1906,0.8,2.3,5.9,11.3,15.9,19.5,24.3,25.6,20.1,15.1,8.3,4.5
1907,3.5,1.2,5.4,11.4,15.8,19.4,23.7,25.5,21.2,15.2,10.6,3.3
1908,2.6,2.2,5.3,11.6,15.5,20.7,23.2,25.1,19.6,15.6,7.9,4.3
1909,1.7,1.4,5.1,12.1,16,20.1,24.9,26,22,13.9,9.1,3.5
1910,3.8,1.4,4.4,10.8,16.1,21,24.6,24.5,20.9,15.6,9.5,3.5
1911,2,3.6,7,11.7,15.7,20.8,25,25.3,22.7,15.1,10.9,4.2
1912,1.8,5.1,6.5,11.6,16.2,20.7,23.9,26.1,20.7,15.3,8.7,4.3
1913,1.4,2.7,4.4,12.9,15.2,20.3,24.2,24.9,19.5,15.4,9.3,4.3
1914,2.8,3.3,7.9,10.5,16.9,21.3,26.6,26.8,22.7,15.2,11.3,4.6
1915,2.1,3.3,4.6,11.4,15.8,22.2,25.2,26,23,17.7,11,4.7
1916,4.2,3.7,4.1,11.6,16.6,22.8,24.8,26.2,23.4,16.1,11.5,5.7
1917,0.6,2.2,5,11.4,14.9,20.1,26.2,25.4,22.5,16.4,7.1,2.2
1918,0,2.3,5.55,11.4,15.4,20.2,25.85,25.85,21.5,15.75,9.15,3.7
1919,2,3.2,6.9,12.2,16.3,20.7,23.9,25.4,21.4,15.9,11.1,4.3
1920,2.5,2,6.2,11.7,16.5,21.2,25.9,25.5,21.7,15.9,10.9,4.7
1921,2.9,2.3,4.3,12.2,16.2,18.7,24.5,26.2,21.2,15.4,7.3,4.2
1922,0,5.75,5,12.15,16.75,21.8,25.25,27.65,23.65,16,10.05,3
1923,0.6,2.8,7.3,11.6,17,20.4,24.4,27.5,22.8,15.9,10.6,5.2
1924,2.2,3.1,3.4,12.9,15.5,20.4,26.3,26.4,21.5,15.3,8.2,4.2
1925,1.9,1.5,4.4,10.4,16.2,20.5,23.7,25.3,22.1,15.8,10.7,5.4
1926,1.5,3,4.7,9.9,16.2,19.7,24.2,26.7,23,14.3,8.8,3.2
1927,1.8,1.1,5.2,12,15.6,20.4,26.2,25.7,20.8,15.6,10.3,5
1928,2.4,2,5.7,11.8,17.8,20.2,24.8,25.1,23.3,16.1,10.6,4.3
1929,0.7,1.3,5.2,11.4,15.4,20.9,26,26.5,20.7,16.1,9.7,7.6
1930,2.2,3.8,7.6,12.8,16.6,21.1,26.3,26.7,21,15.9,8.4,4.9
1931,2.2,2.6,6.2,10.5,15.7,20.7,22.6,26,22.3,15.1,11,5.3
1932,4.3,2.4,5.1,10.5,16.7,20.3,25.7,25.9,21.4,14.7,9.7,5.1
1933,1.9,2,4.4,11.7,17.7,21.9,26.5,26.3,21.8,15.5,9.8,4.9
1934,0.4,1.9,4.7,10.6,16.9,21.3,25.7,26.1,21.4,14.3,8.6,5.3
1935,2.6,3.6,5.8,11.7,16.6,20.9,24.8,24.9,20.9,15.7,10.2,4.5
1936,0,0.4,3.8,10.7,16,21.45,24.6,26.25,23.3,15.3,9.5,6.1
1937,3,5.1,6.4,11.8,16.7,19.7,25.6,27.2,21.8,15.9,10.4,3.4
1938,1.2,1.5,7.9,11.8,17.6,21.1,25.3,25.4,21.3,16.7,8.5,4.4
1939,0.7,2.1,5.6,12,16.6,20.9,26.6,25.9,22.6,16.4,11.1,4.3
1940,0.8,1.4,5.8,11.5,17,21.2,26.3,24.7,22.4,16.7,11.3,5.3
1941,3.5,2.9,6.9,11.5,17.2,21.1,24.5,25.5,20.6,15.7,11.3,6
1942,1.6,2,9,11.6,16.3,21.4,27.9,27,23.3,15,8.5,4
1943,0.7,1.7,5.4,10.4,17,21.3,24.7,26.4,23.3,15.9,9.2,4.7
1944,1.8,1.4,5,10.2,17.7,22.1,25.7,26.3,22.1,15.6,10,3.1
1945,-0.2,0.2,5.5,12.4,15,20.9,22.6,26.8,22.2,16.4,9.6,3.1
1946,2.1,2.7,5.1,13,16.3,21.9,26.7,25.9,21.8,16.4,11.9,3.6
1947,2.6,0.6,4.5,11.3,15.9,20,25.7,27.6,22.7,14.6,8.5,2.8
1948,2.3,3,5.5,12.9,17.1,21.4,26,26,22.3,16.6,10.5,7.2
1949,3.9,5,4.6,9.7,17,20.4,24.8,26.3,22.1,15.1,9.7,5.6
1950,3.9,3.4,6.1,13.1,18.1,21.1,25.5,26.3,22.2,15.4,10.6,4.3
1951,2.4,3.7,6.3,11.4,16.7,20.3,24.1,26.8,19.7,17.2,10,6
1952,2.7,2.2,5.9,12,16.6,20.6,24.2,26.7,22.1,15.6,11.5,5.3
1953,1.9,2.8,7.5,10.6,16.7,21.2,24.4,25.7,22.1,16.5,9.2,6.6
1954,4.1,4.4,6.7,13.3,16.7,18.9,23.1,26.8,23.1,15.1,11.2,5.9
1955,2.1,4.4,7.7,12.7,17,22.4,26.6,26.2,22.3,16.3,9.4,6.3
1956,2.7,2.2,7.2,11.9,16.3,21.5,25,25.1,22.4,16.8,10.1,3.5
1957,3.6,2.5,4.2,13,15.9,20.5,24.3,26.2,20.1,15.8,11.4,6.2
1958,3.1,4.4,6.7,12.8,16.8,21.7,25,25.9,22.6,15.5,10.2,6.8
1959,2.3,6.4,8,12.6,17.5,21,25.9,26.4,23.3,17.1,11.7,6.3
1960,3.2,4.9,8.2,11.6,17.1,21,26,26.8,22.8,16.6,11.4,5.1
1961,1.8,2.3,7.3,13.1,18.2,21.3,26.7,27.3,24.9,18.7,12,5.9
1962,2.6,4,6.5,12,16.8,20.3,25.2,27.1,23.1,16.2,10.3,5.8
1963,0.3,1.6,6.2,13.1,17.7,22.5,26,26,20.3,15.7,10.3,6.3
1964,4.5,2.5,5.8,15.8,18.3,20.9,26.4,27.5,22.8,16,9.8,5.8
1965,2.9,3,4.7,9.9,17.2,21.6,25.1,26.7,21.2,15.7,11.1,4.8
1966,2.2,4.9,7.4,12.5,16.7,20.5,25.1,26.8,22.5,16.5,10.3,3.9
1967,2.2,3.2,7,12.7,18.9,22.5,25.5,27.2,22.4,15.8,11.1,3.7
1968,2.3,1.4,6.9,13.1,17,21.2,24.6,25.8,21.4,15,11.1,7.9
1969,3.8,4.2,6,12.8,17.8,20.4,24.5,26.5,22.8,15.7,10.1,4.4
1970,2.3,3.9,3.4,11.7,18.1,20.2,25.4,26.4,23.3,16.4,10.3,5
1971,3.2,3.9,5.8,12.3,17.2,21.2,25.4,26.2,21.7,15,10.7,5.9
1972,5.6,4.7,7.6,12.7,16.6,20.8,24.9,25.9,21.5,16.7,10.2,5.9
1973,4.3,4.8,5.8,14.1,16.8,20.4,26.6,27.1,21.3,15.9,9.3,3.2
1974,1.8,2.8,5.5,12.9,17.7,21.6,23.8,26.6,21.5,16,9.4,5
1975,2.5,2.2,6.2,13.1,17.1,21.7,25.7,25.9,23.9,16.6,11.3,5.4
1976,2.5,5.4,7,12.2,16.9,21.4,24.2,25.2,20.5,15.7,9.6,5.1
1977,1.6,1.9,7.5,13.2,17.4,21.2,26.2,26.2,23.3,18,12.7,7
1978,3.7,2.1,6.4,12.3,17.9,22.4,27.3,27.7,22.9,16.7,11,6.7
1979,4.9,6.4,7.2,12,17.2,23.2,24.8,27,23.1,17.9,11.9,7.3
1980,3.4,2.6,6.8,11.9,17.7,22.6,24.2,24.7,21.8,16.6,11.5,4.5
1981,1.1,2.8,7.2,12.4,16.7,21.3,26.5,25.7,21,15.5,8.6,5.1
1982,3.2,3.5,7.9,12.5,19.3,21.3,23.1,25.6,21.4,16.7,12.6,6.5
1983,4,3.5,7.1,14.8,18.5,21.2,24.9,27.6,23.3,16.5,10.5,4.4
1984,1.4,1.3,3.9,11.8,17.5,22.4,26.2,28.1,22.6,16.5,11.4,5.7
1985,2,4.5,7.7,13.7,18.6,21.1,26.2,27.5,23.3,17,10.7,4.8
1986,1.9,1.8,6.7,12.9,17.1,21.6,24.4,26.9,23.2,15.6,10.6,7
1987,3.8,4.6,7.2,13.1,17.8,22.5,26.3,27.3,22.9,18,11.6,6.8
1988,4.9,2.7,6.7,12.7,17.4,21.8,24.3,26.7,23.5,16,9,5.3
1989,5.9,6,8,13.8,17.2,21.1,24.9,27,23.7,16.7,12.2,6.4
1990,3.4,7.5,8.6,13.4,17.8,23.2,26.5,28,24,17.7,13.3,7.2
1991,3.9,3.5,8.5,14.1,17.8,23.3,26.2,26.3,24.1,17.3,11.4,7.6
1992,5.3,4.6,8.9,13.6,16.6,21.1,26,26.9,23.1,17.2,11.3,7.1
1993,5.1,5.2,7,12.3,17.2,21.1,23.3,24.7,21.6,16.2,12.4,6.3
1994,4,3.9,6.4,14.4,19,22.4,28.3,28.9,24.3,19.2,12.6,7.1
1995,3.4,4.5,7.9,12.7,17.5,20.9,26,28.3,22.4,18.1,9.6,4.7
1996,3.9,3.1,6.8,11,17.6,22.2,26.3,26.6,21.9,16.7,11.3,6.3
1997,3.7,4,8.5,13.6,18.2,22.2,25.4,27,22.8,16.4,12.1,7
1998,3.8,6,8.7,16.1,19.6,21.9,26.3,27.9,24.1,19.2,11.5,7.6
1999,4.1,4,8.9,13.3,18.7,22.2,25.5,27.6,25.3,18.5,12.1,6.3
2000,5.3,2.8,6.7,12.8,19.1,22.1,27.5,28.4,24.3,18.2,12.8,6.4
2001,2.9,4.7,7.5,13.8,19.1,22.7,28,27.1,23,17.8,11,6.1
2002,4.3,5.3,9.5,14.9,18.2,22.3,27.4,28,23.4,17.4,8.8,6
2003,3.1,5.1,6.8,13.8,18.4,22.2,23.3,26.5,24.2,16.4,13.7,6.6
2004,3.6,5.5,8.2,14.5,19.2,23.5,28.1,27.1,24.4,17.6,13.4,8
2005,4,4,6.9,14.1,17.5,23.5,26.2,27.6,24.8,18.4,11.1,2.9
2006,3.1,4.7,6.8,12,17.9,22.7,25.6,28.1,23.2,18.8,12.5,7
2007,5.4,6.9,8,12.9,18.2,22.5,24.6,28.6,25.5,18.4,11.7,7.4
2008,4.2,3.2,9.3,14.1,18.7,21.8,27.6,27.5,23.5,18.3,11.5,7.3
2009,4.5,6.4,8.3,14.2,18.9,22.7,25.9,26.7,23.3,17.8,12.1,6.9
