1901,4.3,7.2,13,17.3,21.3,24.7,27.2,26.1,22.8,17.5,12.2,9.5
1902,6.9,9.5,12.3,16.4,21.3,25.2,26.2,26,22.5,17.1,10.9,6.9
1903,3.8,5.9,8,15.2,21.1,24.1,25.8,26.2,21.9,16.9,10.3,6.8
1904,5.4,8,10.9,14.9,20.1,23.5,25.9,25.5,21.7,17.9,13.2,5.7
1905,4,4.4,8.1,15.6,20.2,24.2,26.3,25.7,22.9,18.4,13.2,6.1
1906,3.7,6.6,9.7,14.2,20.8,23.7,25.4,25,21.7,18.2,12.1,8.6
1907,6.3,6.4,9.4,14.6,21,23.8,26.7,25.2,21.3,17.3,9.6,6.9
1908,5.2,5.4,9.4,15.3,20.3,24.9,25.5,26.1,23.4,17.4,11.6,6.1
1909,4.5,8,12.1,15.6,22,23.2,27.4,25.6,22.4,18.1,13,7.9
1910,6.2,8.9,8.6,14.3,20,23.3,26.1,26,22.2,17.3,11.8,4
1911,0.8,3.9,7.8,13.7,19.5,22.4,26.3,25,20.9,16.9,11.4,7.7
1912,5.9,9.2,11.2,15.2,19.5,24.9,25.3,24.7,22.7,18.1,12.2,5.7
1913,4.2,4.3,7.2,14.6,20.8,23.6,25.9,24.9,22.6,17.8,11.9,6.8
1914,7.9,7.5,11.4,15.3,20.1,23,25.4,25.5,22,18.4,11.5,6.7
1915,7,8.4,11.6,14.8,20.2,24.9,25.6,25.8,22.9,17.2,12.1,7.4
1916,6.2,6.9,11.9,14.8,21.7,24.9,27.1,26.1,21.2,16.2,12.3,8.3
1917,6.6,8.2,10.3,17.5,20.4,24,27.3,25.8,22.6,16.6,12.6,6.3
1918,5.2,7.3,9.6,14.5,20,23.1,26.3,25.9,23,19.6,12.8,7.4
1919,7.4,8.6,10.6,16.4,19.6,22.6,25.6,25.7,22.9,19.1,13.2,7.4
1920,6.8,4,11,15.8,21.2,24.6,25.9,25.9,22.8,18.3,10.7,4.2
1921,4.5,5.9,9.8,16.6,20.3,24,26.9,25.8,22.5,16.7,11.8,6.5
1922,6.7,7.8,10.8,15.7,20.8,24.9,26.7,26.3,22.1,18.3,13.2,7
1923,6,7.1,11.5,13.8,21,25.1,27,24.6,22.3,17.7,11.4,8.8
1924,8.3,8,12.9,15.6,21.4,25.5,26.8,25.9,22.7,18.4,12.4,6.4
1925,1.8,5,13.3,15.8,21.3,23.7,25.7,26.6,23.4,18.1,12.1,9
1926,6.8,8.8,10.8,14.4,21.3,24.6,25.5,25.8,20.8,17.5,12.7,7.4
1927,6.3,4.8,10,14.8,22.3,25.5,26.7,25.8,23.6,19.5,12.7,5.4
1928,4.1,6.1,8.4,18.2,21.8,24.6,26.9,25,23.5,18.4,11.7,7.3
1929,6.3,7.2,10.3,16.3,22,23.2,25.7,26.2,22.7,17.7,12.9,7.4
1930,5.5,9,11.9,16.6,20.5,24.2,25.8,25.7,22.3,17.8,13.5,8.5
1931,7.9,8.3,11.8,15.9,20.8,23,25.9,26.2,22.9,16.3,11.6,5.8
1932,6.1,6.9,11.8,15.5,20.5,24.6,25.9,25.7,22.1,18.3,12.7,4.8
1933,3.3,7,9.9,13.9,20.5,22,25.4,25.6,21.5,17.3,12.6,7.1
1934,4.2,8,11,16.7,19.2,23.8,25.6,24.9,21.5,17.6,12.2,7.5
1935,5.4,8.3,11.9,14.8,21.4,25.2,26.4,26.5,24.1,18.5,12.4,8.9
1936,6,8.7,10.9,16.1,20.6,22.3,26,26.5,21.2,17.2,13,5.6
1937,2.2,6.5,11.5,16,21.8,23.7,27.7,26.2,23.9,18.5,12.9,7.9
1938,6.7,7.1,8.1,15.3,20,23.8,26.9,26.4,23.9,16.7,12.1,8.4
1939,6.9,7.7,9.6,14.1,21.2,23.4,26.1,25.1,22.1,19,12.5,7.7
1940,6.9,9.6,8.6,17.1,20.5,23.9,26.4,26.4,22.9,18.6,12.5,8.5
1941,6.5,9.3,11.5,15.4,22.2,25.7,26.9,25.1,21.9,15.6,11.7,4.1
1942,4.5,8.1,11.1,14.7,22.4,25.3,26.8,26.2,22.1,17.9,12.8,7
1943,6,6.4,8.2,15,20.4,22.8,26.1,26.2,21.7,18.2,12.7,8.3
1944,7,9.2,13.3,15.5,20.5,24.4,26.5,24.6,21.9,17.5,12.2,6
1945,5.9,6.5,9.2,15.7,21,24.1,26.6,26,22.5,16.9,12,6.8
1946,5.6,8,10.5,15.8,20.8,24,25.6,25.8,22.8,16.7,12.3,7.9
1947,8.3,8.1,12.7,17,21.3,25.5,27.3,25.7,21.9,17.6,13,8
1948,7.5,8.4,9,14.7,20.5,24.4,27.2,26.6,21.8,15.8,10.1,5.8
1949,3.8,4.7,9.4,13.9,21,25.2,26.8,25.9,21,16.3,11.8,7.6
1950,1.9,3.5,10.3,16.2,20.3,23.6,26.5,25.7,22.6,17.6,12.7,8
1951,6.1,7.3,10.8,15.6,21.3,25.2,27.2,26.7,24.1,17.6,11.2,6.6
1952,5.7,8.6,10,16,21.8,24.2,27.8,27.5,24.1,16.8,10.8,8.8
1953,6.9,7.8,7.8,16.2,20.3,24.8,26.9,26.7,21.4,18.2,11.1,3.8
1954,5.2,7.8,10.5,16.4,21.1,24.8,27.7,27.3,22.8,17.5,14.2,8.7
1955,6.3,8.1,12.5,16.3,21.5,24.7,26.2,25.6,22.3,16,12.6,7.6
1956,6.1,9,10.1,15.7,17.7,23.9,27,26.6,22.1,15.2,9.4,6.2
1957,4.6,7.2,11.4,15.8,20.5,24.4,26.7,26.1,23.1,18.6,12.8,6.5
1958,6.7,5.5,11.5,16,21.6,24.3,26.8,25.4,21,16.7,10.2,7.9
1959,5.3,3.7,9.5,17.1,20.7,25.5,27.1,25.2,20.6,17.2,10.3,4.7
1960,6.4,9.9,9.6,16.4,21.3,24.9,27.3,25.3,23,14.9,13.2,7.3
1961,6.9,7.5,9.2,15.1,20.8,25.2,27.2,27.1,19.8,14.7,11,8.1
1962,6.7,8.1,12.4,15.7,21.5,24.2,27.8,27.8,22.3,18.1,11.6,9
1963,8.9,11.3,9.7,16.8,19.9,24.6,26.9,26.3,22.1,19.2,10.2,5.2
1964,-0.8,7.6,12.4,15.1,19.9,25.2,26.5,24.4,21.5,13.5,9.9,4.4
1965,6.6,7.9,11.2,14.1,21.1,24.9,26.4,27.2,23.1,18.9,12.5,5.9
1966,8.2,9.7,11,15.7,21.4,24.8,26.7,26.6,24.5,19.1,11.9,7.5
1967,5.5,4.9,8.1,13.7,21.4,22.6,26.8,25.8,22.4,18.4,13,5.9
1968,5,6.5,11.2,15.8,22.2,24.2,27.4,24.6,22.8,18.6,14.6,9.7
1969,7.9,7.5,15.1,15.5,21.2,24.5,24.8,26,22.8,19.7,10.3,8.2
1970,7,9.4,11.9,17.1,21.1,24.3,26.5,24.9,21.6,16.7,13.7,6.6
1971,5.8,7.3,11.5,15.8,23,24,26.4,25.1,22,16.1,12.7,6.8
1972,4.7,4.6,10.5,16.4,20,24.6,25.3,26.4,22.4,17.6,10.7,4.1
1973,3.2,9.6,10.4,15.6,21,24.5,26.4,27.3,23.1,18.4,9.5,5.9
1974,4.6,5.6,12.3,15.8,20.9,24.6,26.6,25.9,23,16.9,12.3,6.9
1975,5,6.5,10.3,16.3,21.6,25.6,27.4,26.3,24.4,15.3,11.1,6.5
1976,6.9,6.8,9.2,16.3,20.2,24.5,26.1,26.1,22.4,18.4,11.9,9.1
1977,3.4,8.5,13.1,15.8,21.8,25,27.1,26.5,23.4,17.1,10.8,9.7
1978,7.2,10,11.8,15.8,20.5,24.6,28.3,25.7,22.9,18.2,8,10.5
1979,8,10.1,10.3,17.4,21.3,26.6,27.6,27,25.2,20.2,12.8,7.6
1980,5.1,7.6,12.5,17.4,21.6,25.9,28.7,26.1,21.6,16.2,12.6,7
1981,8,9.3,12.2,15.1,20.4,24.9,27.8,26.4,23.3,17.9,11.3,8.7
1982,6.6,4.5,9.3,17.2,23.3,25.5,26.3,25.4,23.7,19.3,9.7,4.6
1983,4.5,6.2,8,15,22.2,25.7,27,25.7,21.3,15.3,13.6,7.4
1984,5.8,7.2,12,16.4,19.4,24.9,27.7,25.4,22.7,16.7,14.4,6.5
1985,7.8,6.4,9,15.8,21.2,24.4,26,26.3,21.5,15.9,13.5,7.5
1986,6.1,9,10.6,16.8,21.7,23.3,27.6,27,23.4,19.3,11.9,5.6
1987,5.5,9,11,15.6,23.1,25.3,27.4,26.9,22.8,19.5,11.5,8.6
1988,5.3,8.2,11.1,16.2,20.9,25.1,26.7,26.1,22.1,19,11,7.3
1989,1.5,3.4,11.5,16.7,21.8,24.9,28,26,22.2,18.4,13.4,7.4
1990,4.3,7.2,10.1,15.5,21.6,25.2,28.4,26,22.5,18.6,12.7,7.8
1991,7.1,7,11.9,17.7,21.3,26.4,27.5,27.5,23.8,19.2,13,8.1
1992,3.7,6.8,8.4,15.8,21.7,25.9,27,27.4,23.6,16.8,13.3,8
1993,5.6,7.7,11.2,16.2,21.6,25.9,28.1,26.8,23.2,18.6,12,7.1
1994,8.7,7.8,11.7,18.4,22.2,26.2,27.7,26.3,24.6,20.4,15,5.6
1995,6.7,8.9,10.7,15.9,22.3,25.8,27.3,26.4,22.4,16.9,9.5,5.3
1996,7.4,10.4,12,16.6,22.8,26,29.5,27.5,24.2,17.8,11.8,9.8
1997,6.7,4.4,9.3,15,21.4,26.3,26.8,26,22.4,19.4,13.8,8
1998,5.8,7.5,9.6,16.5,22.1,27.1,28.3,29,24.4,18.3,12.8,9.1
1999,7.5,8.8,11,16.7,22.5,27.6,28.8,28.6,24.2,19.3,11.8,6.7
2000,5.8,6.1,9.1,18.5,22.8,26.5,30.3,28.8,23.1,17.8,11.6,8.3
2001,6.4,8.9,13.3,18.2,22.5,25.4,28.8,28.8,23.2,18.8,10.5,10.2
2002,6,9.1,12.9,16.7,22.9,27.1,27.1,27.3,23.6,20,11.5,8.1
2003,7.1,9.3,11.4,14.4,23.3,27.4,28.1,28.7,23.6,19.8,11.9,8.2
2004,7.9,8.8,13.1,16,22.1,26.2,27.8,26.8,22.8,19.2,13.6,5.1
2005,6.1,7.7,12.2,16.9,23.1,26.8,29.6,28.7,23.3,18.2,11.8,11.6
2006,6.8,10,12.3,17.7,23.1,28.5,29.9,31,23.4,22.3,12,5.3
2007,4.9,9.9,11.2,18.4,24.7,28.1,27.7,26.7,25.1,20,11.5,7
2008,1.9,7.8,12.5,16.5,24.4,26.2,27.2,30,24.8,19.2,12.2,6.3
2009,5.3,10.6,11.7,14.7,22.4,28.9,27.6,25.4,24.2,18.8,13.5,9.3
