1901,2.4,6,12.2,16,18.6,23.6,26.2,25.3,21,15.8,10.2,8
1902,5.5,8.8,9.8,14.3,19.6,24.1,26,25.6,21.6,16.5,8.4,5
1903,2.4,4.2,5.7,14.3,19.6,22.8,25.2,25.2,20,16.3,8.5,5.5
1904,3.6,6.9,9.4,12.9,18.2,22.5,24.8,25.2,20.7,17.6,11.2,3.9
1905,2.1,2.4,6.4,14.1,18.7,23.3,25.9,25.5,22,17.6,11.8,4.5
1906,1.5,5.2,8.2,13,19,23.1,24.5,24.7,20.5,17.2,9.9,7.2
1907,4.8,5.3,7.5,13.3,18.8,22.7,26.2,24.8,19.7,16,7.5,5.3
1908,3.5,3.7,7.2,13.1,18.5,23.5,24.8,25.4,22.2,16.3,9.1,4.1
1909,3.1,6.2,10.5,13.6,21.1,22.4,27,24.9,21.1,17.1,11.5,6.9
1910,5.5,8.2,7,13.3,18.4,22.7,25.5,25.4,21.1,16.3,10.2,2.2
1911,-0.3,2.4,6,12.7,17.9,21.7,25.5,24.7,19.8,16.1,10.2,6.1
1912,5.2,8.9,9.8,13.7,17.5,23.7,24.6,24.1,21.5,17.5,10.4,4.2
1913,2.5,2.4,4.7,12.4,18.6,22.6,25.4,24.8,21.6,16.8,9.9,5
1914,6.5,6.3,10.1,13.1,18.1,22.2,25,25,21.2,16.8,9.4,5.2
1915,5.7,7.2,10.2,13.3,18.3,23.4,25,25.5,21.8,16.7,10.2,6.5
1916,5.3,6.5,10.2,13.7,20.3,24,26.5,25.7,20,15.7,10.6,7.6
1917,6.1,7,9.1,16.4,18.7,23.1,26.3,25,21.6,15.9,11.1,5.1
1918,3.8,6.3,8.4,13.3,18.7,22.5,25.8,25.5,22.1,19.1,11.4,6
1919,6.5,7.6,9.5,14.9,17.9,21.8,25.2,25.1,22.1,18.6,11.6,5.5
1920,6,2.4,9,14.4,19.7,23.7,25.5,25.4,21.7,17,8.2,2.9
1921,2.7,4,7.2,14.4,18.7,22.8,26.2,25.2,21.1,15.4,10.1,5
1922,5.2,6.6,9.1,14,19.6,23.5,26.2,25.8,21,17.8,11.4,5
1923,5.2,6.3,9.3,12.3,19.7,24.5,26.3,24.2,21.8,16.5,9.8,8
1924,7.7,7.4,11.3,13.8,19.5,24.4,26,25.5,21.9,17,10.8,5.3
1925,0.1,3.8,12.5,13.7,20,23,25.5,26.4,22.4,17,10.7,8.1
1926,5.6,7.6,9.1,13.2,19.9,23.7,24.7,25.1,19.5,16.6,10.6,6.4
1927,5.1,2.8,8.5,13.5,20.8,24.7,26.2,25.5,22.4,18.8,11.1,3.7
1928,2,3.8,5.8,16.7,20.5,23.7,26.1,24.5,22.4,16.8,10.4,6
1929,4.5,5.6,8.1,14.6,20.9,22.6,25.3,26.3,21.2,16.5,11.9,6.2
1930,4.5,7.9,10.8,15.1,18.9,23.4,25.3,25.1,20.5,16.6,11.9,7.9
1931,6.9,7.5,10.4,14.5,19.3,21.3,25.2,26.1,21.4,15,9.3,3.9
1932,4.1,5.6,10,14.3,19.4,24.3,25.7,25.4,21,17.7,10.5,3.5
1933,0.7,5.2,8.2,11.8,18.7,21,24.9,24.8,19.9,15.7,11,5.4
1934,2.6,6.4,9.3,15,18,22.1,24.9,24.3,20,16.9,10.4,6
1935,4.8,7.2,10.1,13.6,20.5,24.6,26.2,26.2,23,17.4,10.6,7.8
1936,5.3,8,10.1,15,18.7,21.3,25.7,26.1,19.9,17,11.5,3.8
1937,-0.2,4.6,10.2,14.9,20.3,22.8,27.9,26.1,22.9,17.9,11.7,5.8
1938,5.7,5.7,6.6,14.1,18.5,23.5,26.8,26,22.6,16.1,10.4,7.8
1939,5.4,6.2,8.2,13.4,19.9,22.6,26,24.8,21.3,18.5,10.7,6.5
1940,5.5,8.5,6.9,15.7,18.5,23.1,26.4,26.1,21.8,17.9,10.8,7.7
1941,5.5,8.5,10.1,14.1,20.8,24.9,26.4,24.7,20.9,13.8,10.3,1.4
1942,2.7,7.1,9.1,13.6,21.3,25,26.6,25.6,21.2,17,11.5,4.6
1943,5.1,5,5.8,12.9,18.4,21.6,25.4,25.7,20.6,17.9,11.3,6.4
1944,5,7.6,11,13.7,18.4,23.1,26.1,24.5,20.9,16.4,10.6,4.9
1945,5,4.4,6.6,13.5,19.5,23.2,26.2,25.5,21.7,16.2,10.4,5.4
1946,4.3,6.5,8.9,14.1,18.8,22.4,24.5,25.3,21.6,15.2,10.6,6.9
1947,7.3,6.5,11.6,15.2,19.8,24.6,26.9,25.4,20.8,16.1,11.7,6.1
1948,6.5,7.2,6.3,13,18.3,22.8,26.7,26,20.7,14.5,7.7,3.8
1949,2.1,3,7.6,12.2,20,24.3,26.1,25.2,19.6,15.8,10,6.1
1950,-0.1,1.3,8.8,15.3,18.6,22.2,25.9,25.1,21.5,15.9,11.3,6.4
1951,4.3,5.7,9.6,14.9,19.5,23,26.3,25.9,22.9,17.4,10.4,7.2
1952,4.7,6.9,8.7,15.1,19.9,22.8,27.5,26.8,23.9,17.2,9.8,7.6
1953,5.7,6.1,6.3,15.2,19,23.7,27.1,26.5,21.2,17.3,9.2,2.9
1954,4.2,6.8,10.1,14.7,19.3,24.6,28.3,27.8,22.3,17.7,12.6,7.8
1955,5.4,4.7,11.4,15.4,21.1,25.5,26.3,26,21.8,17,11,7.1
1956,5.4,7.7,8.6,14.6,16.7,23.2,26.8,27,21.4,14.4,8.4,5
1957,3.2,6.8,9.9,14.4,18.1,24.1,26.5,26.4,22.2,18.4,10.8,5
1958,5.3,5.3,10.2,15.1,20.3,24.1,25.9,25.9,20.2,16.3,9.3,6.6
1959,4.5,2.1,8.7,15.9,19.1,23.6,25.5,24,17.7,15.5,8.9,3.3
1960,4.7,7.9,8.4,14.4,19.7,23.5,26.2,24.2,21,14.5,11.6,5.8
1961,5.3,5.6,7.6,13.4,20,24.7,27.5,26.6,19.2,14.6,8.1,7.5
1962,5.8,6.4,11.4,14.2,20.1,23.5,27.2,26.7,21.3,17.4,9.9,6.8
1963,7.8,8,8,14.9,19.1,23.6,26.5,25.7,20.6,18.3,8.9,4.4
1964,-2.5,6.4,11.2,14.5,18.1,24.5,26.2,23.4,20.2,12.7,7.6,3.8
1965,5.2,7.4,10.1,12.1,18.4,23.3,24.9,26.3,21.5,15.5,9.4,4
1966,7.1,8.6,8.9,14.2,18,23.2,26.1,25.9,22.8,17.4,10.4,6.2
1967,4.5,1.9,6.7,12.6,20.7,21.4,27.2,25.6,21.2,17,11,4.3
1968,3.3,6.3,9.8,14.6,20.6,22.9,26.5,24.2,21.1,17.3,11.6,7.8
1969,5.8,5.7,13.8,13.6,20.1,24.4,24.7,25.5,21.1,17.4,8.2,7
1970,5.7,8,11.7,14.8,19.2,22.8,25.5,24.7,20.7,15.8,12.6,5.6
1971,4.2,5.6,9.5,14,20.6,23,25.3,24.1,20.1,15,9.7,4.9
1972,2.3,2.3,7.9,14.8,19.3,23.4,24.8,25.6,21,16.9,8.5,1.9
1973,1,8.4,9.6,14.3,19.3,24,25.7,26.3,21.9,17.2,7.5,4.2
1974,2.6,2.4,10.5,14.3,19.6,23.6,25.9,25.7,21.3,16.7,10.9,5.8
1975,3.3,4,9.3,14.9,19.2,23.9,26.2,25.8,23.3,14.5,9.3,4.1
1976,5.8,4.7,7.8,15.6,18.7,23.3,25.8,25.5,20.8,17.5,10.2,7.6
1977,1.6,8.4,11.4,14,19.8,24,26.4,26.2,21.7,14.6,8.6,7.7
1978,6,9.3,10.3,15.2,18.7,24,28.3,25.5,22.1,17.9,5.6,8.5
1979,8.6,9.9,8.6,15.5,21,25,26.9,26.6,24,19.5,11.4,5.6
1980,1.8,5,10,15.1,20.8,24.9,28.1,25.5,20.3,14.1,10,6
1981,7.1,7.6,10.7,13.3,18.4,23.9,27.3,26,21.5,17.2,9.9,8.1
1982,6.2,3.6,7.5,16.1,21.3,24.1,25.1,24.6,22.7,17.3,7.9,2.7
1983,3.1,5,7,13.3,19.5,23.8,26.1,24.6,20.9,15.9,13.3,5.7
1984,5.7,7.1,11,14.7,18.4,25.2,26.5,24.9,21.2,15.1,11.4,5.2
1985,7.6,5.9,6.9,15.1,19.2,23.8,25.6,26.1,20.6,14.9,13,5.9
1986,6.1,9.4,8.8,14.8,20,21.7,26.6,26,23,17.8,11.2,4.5
1987,7.2,9,8.6,14.9,20.2,24.2,26.1,27,21.4,19,9.5,8.2
1988,5,8.1,9.6,13.3,19.7,25.2,26.9,25.3,21.4,18.4,9.5,6.7
1989,0.2,2.2,9.5,15.8,19.8,24.4,26.8,24.9,21.2,17.9,11.2,6.7
1990,2.7,6.9,7.9,14.7,19.4,24.3,27.1,25.5,20.8,16.9,11.4,6
1991,5.5,5.1,10.7,16,18.8,25.9,26.2,26.6,22.8,18,11.8,5.9
1992,2.2,5.3,6.7,14.1,20.4,24.6,25.6,26.9,21.1,16.3,10.2,5.9
1993,4.6,6.4,9.8,15.1,19.4,25.3,28,27.4,22.3,17.2,10.1,3.7
1994,8.2,7.1,10.5,17.3,21.2,26,27.8,26.8,23.9,19.6,12.8,4
1995,5.9,8.1,9.3,14.5,21.1,25.9,26.8,26.2,21.7,18,8.3,3.8
1996,6,8.7,10.8,15.9,21,25.8,29.5,27.4,23.7,17.2,9.8,9.6
1997,5.3,4,8,14.2,20,25.3,26.1,25.2,20.9,19.1,11.8,7.6
1998,5.1,5.2,9.6,15.2,21.4,26.8,28.8,27.7,23.1,16.8,13.4,8.8
1999,6.6,7.6,9.7,14.8,21,26.2,28.1,28,22.2,18.9,9.9,6.1
2000,4.8,4.8,7.6,16.3,20.6,25.2,30,27.6,22,16.7,10.3,7.5
2001,5.8,7.8,13.1,16,20.3,25.1,28.5,28.5,22.7,18.2,9.5,9.4
2002,5.6,7.9,11.4,14.8,20.6,26.2,27.8,26.7,22.7,19.8,10.7,6.2
2003,6.1,7.5,9.2,13.3,21.4,25.8,27.5,28.1,22.5,19.3,10.2,6.3
2004,7.3,7.4,11.6,14.4,20.5,25.7,27.6,26.1,22.3,19,11.6,3.9
2005,5,6.5,10.6,15.9,20.5,25.7,28.6,28.5,22.1,16.2,9.6,9.9
2006,5.6,8.2,10.5,16,21.4,27.1,28.8,29.3,22.9,20.1,8.7,3.2
2007,3.6,8.5,9.4,15.8,23,26.8,27.6,26.6,23.5,19,9.7,5.1
2008,0.1,6.2,11.3,16.5,21.4,26.8,26.8,28.8,22.7,18.7,10.9,4.9
2009,3.7,8.8,9.9,14.6,20.4,27.3,27.8,26.1,22.2,18.3,11,8.6
