1901,4,7.4,12.6,17.8,22.9,27.1,29.4,27.8,24.2,16.3,11.7,8.5
1902,6.2,7.4,13,17.4,21.9,28.3,28,27.8,23.1,16.5,10.7,7.2
1903,3.3,7.1,8.6,15.7,21.9,27.4,28.3,28.3,23.9,17.3,9.4,5
1904,2.5,8,11.4,16.2,21.6,26,28.6,27.1,22.7,16.6,13.1,6.2
1905,3.5,4.8,8.3,16.4,20.6,27,28.5,27.4,23.9,19,11.9,5.6
1906,3.5,5.8,10.4,14.8,22,26.1,28,26.7,22.5,18.3,11.1,7.4
1907,5.5,5.3,10.3,15.9,21.8,26.1,29.3,27,22.7,16.7,9,6.2
1908,4.3,5.6,10.3,16.7,20.7,27.7,28.2,28.1,24.4,16.7,12.1,6.5
1909,3.4,8.3,12.8,17.2,21.9,26.2,29.3,28,24.3,17.7,13.2,7.3
1910,5,7.5,9.2,15.5,21.7,25.6,28.6,27.7,23.5,17.5,10.9,3.2
1911,0.5,4.9,8.2,15,20.6,25.3,28.8,27,22.3,16.1,9.9,5.6
1912,4.2,8,11.5,15.7,20.6,27.9,28.2,26.3,23.1,18.2,11,4.7
1913,4.2,4.6,9.2,16,22.6,26,28.9,26.1,23.8,17.5,11.3,6.8
1914,7.7,7.2,12.2,17.2,21.2,26.3,28,27.4,23,19,10.8,5.4
1915,6.5,7.4,12.7,15.8,21.5,27.8,28,28,24.9,16.8,11.8,6.9
1916,5,4.9,11.6,15.4,22,26,29.1,28.3,22.6,15.6,9.8,6.4
1917,5.7,7.3,10.1,18.2,21.5,26.5,29.6,27.8,23.8,16.1,11.1,5
1918,4.7,6.5,9.3,15,20.5,25,28.4,27.1,23.8,18.7,10.7,4.7
1919,4.6,7.6,10.3,17.3,20.2,25.1,27.8,27.7,23.3,18.7,11.8,6.5
1920,5.5,4,12,15.8,21.4,27.1,28,27.7,24.4,18.4,10,1.8
1921,4.8,5.7,10.7,18.3,21.1,27.6,29.9,27.3,23.5,17.2,10.7,5.2
1922,5.6,6.4,11.2,16.6,21.4,27.7,29.2,28.1,23.2,17.9,12.6,7
1923,4.3,6.6,12,14.7,21.5,27.2,29.3,26.8,22.6,17.8,9.7,5.7
1924,5.9,6,12.9,16.3,21.9,28.2,29,27.7,23.7,18.4,11.1,4.2
1925,1.7,4,13.3,17.1,21.7,26.2,27.7,27.8,24.2,18.1,10.4,7.6
1926,5.6,7.5,11.3,15,22.4,26.6,27.8,28,22.4,17.3,10.6,6.4
1927,3.4,5.3,10.2,15.5,22.3,27.7,29.2,27.6,24.5,19.2,11.7,5.6
1928,3.5,6.5,9.1,18.4,21.9,27,28.6,26.3,24,18.4,10.9,5.4
1929,4,5.9,10.5,16.7,21.8,25.5,27.9,27.1,24.3,17.6,10.9,4.3
1930,2,5.9,10.9,16.5,21.1,26.2,28.1,27.7,23.4,17.3,12.1,5.2
1931,5.1,4.7,11.7,16,20.6,26.4,29,27.6,24.8,16.7,10.6,4.9
1932,5,6.3,11.5,16.5,20.4,26.4,27.9,26.9,23.1,17.4,10.9,2.7
1933,3.2,7,9.7,15.3,21.2,25.1,28,27.8,23,17.7,10.9,6
1934,2,7.6,10.3,16.4,19,26.7,28.2,27.3,22.9,17.3,10.7,5.7
1935,2.7,7.6,11.7,15.9,20.8,26.4,28.5,28.8,25,18.9,11.2,7
1936,3.9,7.5,10,17,21.6,26.1,28.9,28.3,23.4,17.8,11.8,5
1937,2.5,6.3,9.8,15.7,22,26.1,29,28.6,24.5,18.8,11.9,6.6
1938,6.2,7.6,8.9,16.8,21.4,25.9,29.3,28.3,25.2,16.9,11.5,6.4
1939,5.7,6.4,10.6,14.5,21.9,27.4,28.8,27.5,23.4,18.3,12,7.3
1940,5.7,8.1,9.5,18.1,21.6,27.3,28.8,28.4,24.6,19.1,12.2,7.8
1941,5.5,8.7,12.4,16.5,22.6,28.2,29.6,28,23.8,17.3,11,5.2
1942,4.8,5.9,10.9,15.9,22.4,27.7,29,27.8,23.3,18.7,12.7,5.3
1943,3.8,4.8,8.7,15.4,21.5,25.7,29.1,28.3,23.4,17.3,10.9,7.1
1944,5.7,8.1,14,16.5,21.8,27.5,29.1,26.9,23.6,17.5,11.3,2.9
1945,3.6,5.2,9.6,15.7,20.4,26.4,28.5,28.1,23.4,17.3,11.1,6.4
1946,3.1,8,11.3,16.7,23,26.8,27.4,26.5,24.2,18,10.1,4.5
1947,6,6.7,12.6,16.9,21.2,27.1,29,27.1,22.4,18.2,12.7,7
1948,6.3,8,10.1,15.1,22.4,27.8,29.4,27.6,23.2,16.2,10,4.3
1949,2.6,4.6,10.2,15.7,20.2,27.1,28.8,27.5,22.9,14.9,10,6.2
1950,1.7,4.4,10.4,16.4,22,26.7,29,27.4,23.4,18.7,10.2,5.5
1951,5.9,6.5,10.9,15.6,21.3,26.4,27.9,27.4,25,19.4,11.5,6.2
1952,3.7,8.4,11.7,17.4,21.4,26.6,27.9,25.5,22.7,17,10.8,6.9
1953,6.7,8.7,10.1,17.3,21.2,25.8,28.8,27,23.3,17.2,11.2,5.7
1954,6.6,7.5,11.2,17.2,22.3,27,28.5,25.7,22.5,17.3,10.4,6
1955,4.6,7.9,11.7,17.1,20.2,25.6,28.7,27.9,24.5,16.1,12.4,7.3
1956,3.5,8.3,11.3,17.1,22,26.7,28.4,25.6,23.4,16.1,11.1,5.4
1957,3.1,6.5,11,13.7,19.3,24.7,27.2,25.6,22.2,17.1,9.9,5.8
1958,6.6,6.8,13.8,19.6,20.9,27.1,29.9,29,24.6,17.8,8.2,6.8
1959,4.6,3.4,11,18.8,21.4,27.5,29,31.3,26.1,19,9.8,3.5
1960,6.8,9.7,8.6,15.5,21.4,28,29.5,28.3,23.9,17.4,10.6,5
1961,4.3,5.7,10.6,14.2,22.9,26.2,29.4,26.5,25.2,16.8,10.1,7.4
1962,4.8,9.3,13.2,15.2,21.7,26.3,27.7,25.9,21.8,17.5,8.8,6.6
1963,7.3,9.6,11.2,17.6,19.6,27.6,30.1,29,23.7,19,11.2,3.9
1964,-1.8,7.1,13.4,16.8,22.8,27.7,30.6,29.2,23.5,15.1,10.3,1.6
1965,3.2,7.2,11.4,15.4,23.2,27.2,29.2,26.8,23.3,18.6,12.4,6
1966,8.8,8.5,11.3,16.3,22.3,27.9,28.8,28.2,23.9,17.2,10,6.9
1967,4.8,5.3,9.3,14.4,21.1,25.2,30.4,27.3,24.4,17.2,11.3,5.2
1968,5.4,4.7,11.7,14.8,20.4,26.5,28,28.4,23.3,17.8,11.9,7.5
1969,2.9,6,14.5,16.5,22.2,26.8,29.5,26.6,22.2,19.4,8.7,7.9
1970,4,8.4,11.3,18.8,22.9,28.7,29.5,30.1,23.5,17.9,12.8,5.2
1971,4.2,6.5,12,15.9,23.6,28.1,29.1,29,22.1,16.4,11.6,6.5
1972,1.5,1.1,9.4,16.6,18.8,26.6,29.3,25.4,23.7,18.3,11.7,3
1973,2,8.9,11.8,17.8,22.4,28,29.9,27,24.2,18.4,10.1,5.1
1974,2,2.5,12.2,17.1,22.4,27.4,28.5,27.6,23.4,15,11.5,4.1
1975,3.3,6.1,10.5,15.9,22,26.9,30.1,28,23.9,16.4,9.6,4.6
1976,6.2,4.6,7.6,15.5,21,26.8,30.3,26.6,24.3,17.8,9.5,7.1
1977,1.2,8.6,15.2,16.7,22.3,28.8,31,28.2,23.9,17.6,10.8,7.5
1978,5.7,8.5,11.8,18.1,22.5,26.7,27.6,27.6,24,18.4,8.6,8.9
1979,6.2,8.9,10,19.2,20,26.9,29.7,25.4,23.1,19.3,11.2,5.6
1980,4.9,5.9,11.4,18.9,22.7,27.7,27.7,28.2,23.6,17.9,12.8,7.4
1981,5.9,7.7,13.3,18.1,22.1,25.9,28.6,27.9,22,16.3,12.5,8.7
1982,5.2,4.3,9.5,19.1,23.2,28.1,28.2,29,23.9,17.2,9.2,3.5
1983,3.3,6.3,8.6,15.5,23.1,28.6,30.4,29.8,25.4,16.9,12.6,6.3
1984,5.1,5.1,12.5,18.2,19.9,27.3,28,30,24.2,16,12,3.3
1985,7.7,8.3,10.3,18.1,22.3,28.4,30.3,26.6,24.2,17.5,12.2,6.7
1986,5.6,6.8,8.8,16.6,21.7,27,28.6,26.6,22.5,19.7,10.4,5.2
1987,7.3,9.3,11.3,17.9,24,27.9,28.6,28.4,25.4,15.7,12.3,7.7
1988,4.8,6.7,12.4,17.6,23.8,27.4,30.7,29,25.1,19,12.2,8.2
1989,2.6,3.7,11.2,17,22,28.6,30,28.6,24.3,18.9,12,7.7
1990,3.7,6.6,11.2,17.5,24.4,28.4,29.7,30.5,25.8,18.6,13.2,7.3
1991,5.9,6.1,11.2,18.3,22.4,27.7,30.5,28.7,24.7,17.6,11.9,7.3
1992,2.2,5.6,8,16,20.2,26.8,30,27.5,22.7,17.4,12.5,7
1993,3.7,7.3,9.5,17.4,21.7,27.4,29.2,28.3,24.7,16.9,11.9,8.2
1994,7.1,7.2,12.2,19.4,22.5,27.9,31.3,30.4,22.2,17.5,13,4.5
1995,6.4,7.2,10.4,16.5,21,26.2,30.6,28.6,24.1,17,11.4,3.8
1996,1.1,8.1,10.1,16.6,22,27.6,27.4,27.4,25.1,17.4,10.1,7
1997,5.6,6.3,9.4,16.6,22.5,28.3,32.6,30,25.9,19.7,10.7,9.1
1998,4.5,7.7,12.4,18.8,23.7,28.8,30.9,29.4,25.7,18.3,12.7,9.2
1999,5.4,9.3,11.2,18.4,23.8,29.1,30.4,29.1,25.5,19.6,12.1,6.5
2000,4.9,6.9,11.9,21.5,26.4,29,29.6,28.9,26.1,17.9,9.9,6.6
2001,4.5,7.2,12.7,18.8,25.1,29.6,31.7,29.5,26,20.6,11.4,8.5
2002,6.2,9.3,13.4,18.1,24.7,29.1,31.1,25.3,27,21,11.3,6.6
2003,5.9,9.1,12,18.2,22.4,29.7,30.4,29.9,24.9,20.4,10.8,6.4
2004,6.9,10.1,13.2,16.4,23.9,29.4,29.8,31,25,19.3,13,2.7
2005,4.8,5.7,11.8,17.6,20.6,29.5,32.4,31.3,25.2,18.7,11.3,11.2
2006,4.2,10.6,13.4,18.5,22.7,26.7,31.8,29.3,24.3,19.8,11.1,3.8
2007,-0.1,7,10.8,16.9,22.2,30.6,31.1,29,23.6,18,13.2,6.9
2008,1.4,6.9,16.2,20,24.5,30.5,31.5,28.4,26,20.2,10.9,6.2
2009,4.7,9.3,13.8,16.5,24.5,27,31.8,31.9,25.5,18.9,12.1,6.4
