1901,5,7.5,13.4,17.8,22.3,25.2,27.4,26.1,22.9,17.6,12.5,9.7
1902,7.5,9.8,13.1,17.1,21.9,25.6,26.2,26,22.2,16.9,11.2,7.4
1903,4.3,6.4,8.8,15.5,21.7,24.6,25.9,26.3,22,16.8,10.5,7.1
1904,6,8.3,11.6,15.6,20.9,23.9,26.1,25.5,21.6,17.8,13.5,6.1
1905,4.7,5,8.8,16.1,20.8,24.6,26.3,25.6,22.7,18.3,13.3,6.4
1906,4.4,7,10.2,14.6,21.6,24,25.5,24.9,21.6,18.2,12.4,8.9
1907,6.9,6.8,10,15.1,21.8,24.2,26.8,25.2,21.3,17.4,9.9,7.2
1908,5.9,5.8,10.2,15.9,20.9,25.4,25.6,26.2,23.3,17.4,12,6.7
1909,5.1,8.6,12.8,16.4,22.5,23.6,27.5,25.6,22.3,18.1,13.1,8.1
1910,6.7,9.2,9.2,14.7,20.7,23.7,26.2,26.1,22.1,17.4,11.9,4.4
1911,1.3,4.5,8.5,14.2,20.2,22.7,26.5,25,20.8,16.9,11.6,8
1912,6.4,9.4,11.8,15.6,20.2,25.4,25.4,24.6,22.6,18.1,12.4,6.1
1913,4.8,4.8,7.9,15.4,21.6,24,25.9,24.7,22.4,17.8,12.1,7.2
1914,8.5,7.8,11.8,16,20.8,23.4,25.5,25.5,21.8,18.5,11.9,7.1
1915,7.5,8.7,12.1,15.4,20.9,25.4,25.7,25.8,22.8,17,12.2,7.6
1916,6.6,7.1,12.5,15.2,22.3,25.2,27.2,26.1,21.1,16.1,12.4,8.5
1917,7,8.6,10.7,17.8,21.1,24.4,27.5,25.8,22.5,16.5,12.7,6.5
1918,5.7,7.7,10.1,14.9,20.6,23.3,26.4,25.8,22.7,19.4,12.9,7.8
1919,7.9,8.9,11.1,17,20.4,23,25.7,25.7,22.7,18.9,13.3,7.8
1920,7.3,4.5,11.8,16.3,21.9,25,25.9,25.9,22.7,18.4,11.1,4.5
1921,5.2,6.4,10.8,17.4,20.9,24.5,27.1,25.8,22.5,16.7,12,6.8
1922,7.3,8.1,11.3,16.3,21.3,25.4,26.8,26.3,21.9,18.1,13.4,7.5
1923,6.4,7.4,12.1,14.3,21.6,25.4,27.1,24.6,21.9,17.7,11.5,9
1924,8.7,8.3,13.6,16.1,22.2,25.9,27,25.8,22.6,18.5,12.6,6.7
1925,2.4,5.2,13.7,16.5,21.9,24,25.7,26.5,23.2,18.1,12.2,9.1
1926,7.2,9.2,11.4,14.8,21.9,25,25.6,25.8,20.8,17.4,12.9,7.5
1927,6.7,5.5,10.4,15.2,23,25.9,27,25.9,23.5,19.5,12.9,5.9
1928,5,6.7,9.1,18.8,22.4,24.9,27,25.1,23.7,18.9,11.8,7.5
1929,6.8,7.8,10.8,16.8,22.5,23.6,25.9,26,22.6,18.1,13.1,7.6
1930,5.9,9.6,12.3,17.4,21.2,24.5,25.9,25.8,22.5,17.9,13.7,8.8
1931,8.3,8.5,12.1,16.7,21.4,23.8,26.4,26.4,23.1,16.6,12.1,6.4
1932,7.1,7.4,12.3,16,21.2,24.9,26,25.7,22.1,18.5,13,5.1
1933,4.3,7.4,10.6,14.6,21.2,22.4,25.6,26,21.5,17.8,12.7,7.7
1934,5,8.4,11.4,17.2,19.7,24.4,25.7,25.2,21.7,17.9,12.7,8
1935,5.7,8.6,12.6,15.4,21.8,25.4,26.8,26.6,24.1,18.8,12.7,9.3
1936,6.5,9.2,11.6,16.8,21.6,22.8,26.4,26.7,21.5,17.3,13.3,6.5
1937,3.3,7.1,12,16.7,22.7,24.1,27.5,26.5,23.7,18.9,13.6,8.2
1938,7.7,8,8.9,16,21,24.2,27.1,26.6,23.9,17.1,12.7,8.7
1939,7.9,8,10.3,14.8,21.9,24.3,26.3,25.4,22,19.2,13,8.6
1940,7.8,10,9.2,17.8,21.4,24.5,26.4,26.5,23,18.8,13,9
1941,6.9,9.6,12.2,16,22.8,26.2,27.1,25.4,22,16.1,11.9,5.2
1942,5.3,8.4,11.5,15.1,23.1,25.7,27,26.4,22.2,18.2,13.1,7.4
1943,6.6,7,9,15.8,21.4,23.4,26.5,26.4,21.8,18.2,12.8,9
1944,7.7,9.4,14.2,16.4,21.3,25.2,26.9,24.8,22,17.9,12.9,6.5
1945,6.5,7.2,10.2,16.4,21.3,24.9,26.6,26,22.3,17.1,12.2,7.3
1946,6.1,8.4,11.3,16.5,21.8,24.5,26,25.9,22.9,16.9,12.6,8.2
1947,8.5,8.4,13.2,17.5,21.9,25.7,27.4,25.8,21.7,17.8,13.1,8.6
1948,7.8,8.9,9.9,15.4,21.4,25.2,27.4,26.6,21.8,15.9,10.6,6.4
1949,4.5,5.2,10.1,14.6,21.6,25.8,26.9,25.9,21.4,16.2,12.3,8
1950,2.9,4.2,10.8,16.5,21.3,24.2,26.7,25.6,22.6,17.8,12.7,8.3
1951,6.9,7.7,11.6,16,22,25.8,27.4,26.7,24,17.4,10.9,6.5
1952,6.3,9,10.5,16.3,22.3,24.7,27.7,27.4,23.6,16.6,10.8,9.1
1953,7.4,8.6,8.7,16.8,20.8,25.2,26.8,26.6,20.8,18.2,11.3,4.1
1954,5.4,7.9,10.7,16.7,21.7,25.1,27.5,26.9,22.4,17.2,14.2,9.2
1955,6.7,9.2,13,16.6,21.7,24.6,26.1,25.4,22.1,15.6,12.7,7.8
1956,6.3,9.4,10.7,16.1,18.4,24.2,27,26.1,21.8,15.3,9.5,6.6
1957,5.1,7.5,11.7,16.4,21.2,24.4,26.6,25.8,22.9,18.3,12.9,7.1
1958,7.1,6,12.2,16.3,22.2,24.3,26.8,25,20.7,16.6,10.1,8.2
1959,5.9,4.3,9.9,17.7,21.4,26.1,27.7,25.8,21.1,17.5,10.6,5.1
1960,7.2,10.2,10.2,17.1,21.9,25.5,27.6,25.6,23,15,13.3,7.6
1961,7.7,8.3,9.9,15.8,21.5,25.7,27.6,27.2,20,14.5,11.3,7.9
1962,7.1,8.7,13,16.3,22.2,24.5,27.7,27.8,22,17.8,11.7,9.5
1963,9.4,12,10.2,17.5,20.2,24.8,27.1,26.2,22.1,19.2,10.3,5.7
1964,-0.6,8,13.1,15.5,20.5,25.4,26.4,24.6,21.3,13.4,10.2,4.4
1965,7.2,8.3,11.8,14.8,22.2,25.4,26.8,27.4,22.9,19.7,13.2,6.3
1966,8.8,10.3,11.9,16.5,22.7,25.6,26.8,26.7,24.3,19.1,11.9,7.8
1967,5.7,5.9,8.7,13.8,21.5,23,26.6,25.8,22.2,18.3,13.3,6.3
1968,5.5,6.4,11.8,16.2,22.8,24.7,27.4,24.6,22.7,18.7,14.7,9.9
1969,8.4,8.1,15.8,16.5,22.3,25.2,25.2,26.1,22.9,20.4,10.5,8.5
1970,7.7,9.8,12.1,17.8,21.8,25,26.7,24.9,21.2,16.7,13.5,6.7
1971,6.3,7.8,12.3,16.4,23.8,24.6,27,25.4,22,16.2,13.1,7.1
1972,5.5,5.3,11.5,17.1,20.6,25.2,25.7,26.3,22.5,17.7,11.3,4.8
1973,3.9,10.3,10.7,16.1,21.4,24.7,26.5,26.9,23,18.6,9.6,6.4
1974,5.4,6.4,13,16.4,21.6,24.8,26.4,25.9,23,16.8,12.4,7
1975,5.6,7.1,10.6,16.8,22.1,26,27.6,26.3,24,14.9,11.1,7.3
1976,7.6,7.7,9.7,16.8,20.9,24.9,26.4,26,22.1,18.1,12,9.4
1977,3.9,8.5,13.9,16.5,22.6,25.2,27.1,26.4,23.4,17.7,11.2,10.3
1978,7.8,10.3,12.3,16.1,21.2,24.9,28.3,25.7,22.7,18.1,8.5,10.6
1979,8.2,10.2,11,17.9,21.9,27.1,27.6,27.2,24.3,19.6,12.6,7.6
1980,5.7,8.3,13.2,18,21.9,25.9,28.5,25.8,21.7,16.6,13.2,7.3
1981,8.4,9.9,12.6,15.7,21.1,24.9,27.6,26.1,23.2,17.4,11.5,8.5
1982,6.7,4.5,9.7,17.3,24.1,26,26.3,25.5,23.2,19.5,9.7,5.1
1983,4.9,6.6,8.3,15.4,23.2,26.3,27,26,21.3,14.9,13.6,7.9
1984,6.2,7.3,12.4,16.9,19.7,24.8,27.7,25.4,22.4,16.8,15,6.7
1985,8.2,7,10.2,16.5,22,25,26.4,26.1,21.6,16.3,13.4,8.1
1986,6.4,9.2,11.3,17.7,22.1,24,27.7,26.7,23.1,19.6,11.8,6.1
1987,5.4,9.2,11.8,15.7,24.1,25.8,27.7,26.6,22.6,19.3,11.9,8.7
1988,5.3,7.8,11.8,17.4,21.6,25,26.5,26.3,22,19.2,11.3,7.8
1989,1.8,3.4,12.3,17.1,22.5,24.6,28,26,22,18.5,13.8,7.7
1990,5.1,7.5,11.1,15.9,22.6,25.5,28.8,26,22.5,18.7,12.7,8.2
1991,7.9,7.8,12.6,18.5,22.4,26.8,28,27.7,23.2,19.2,13.3,8.9
1992,4.1,7.3,8.9,16.4,22.2,26,27.3,26.8,23.4,16.3,13.7,8.6
1993,6,8.4,11.8,16.9,22.6,26,27.7,26.4,23,18.8,12.4,8.2
1994,9.3,8.4,12.2,18.7,22.5,25.9,27.3,25.9,24.3,20.3,15.5,6.3
1995,7.8,9.8,11.9,16.9,23,25.8,27.5,26.3,22.4,16.5,9.9,6.1
1996,8.1,11.5,12.6,17.3,23.9,26.1,29.3,27.4,23.8,18,12.5,10.2
1997,7.7,4.8,10,15.9,22.4,26.7,27.3,26.3,22.6,19.5,14.2,8.6
1998,6.4,8.7,10.1,17.5,22.9,27.3,28.2,28.8,24.4,18.7,12.5,9.2
1999,8.3,9.7,12,17.8,23.2,27.6,28.9,27.5,24.2,19.5,12,7
2000,6.6,6.8,10.2,19.5,23.8,26.4,30,28.7,23,17.8,11.5,8.9
2001,6.8,9.1,13.6,19,23.4,25.7,28.3,28.2,23.3,18.7,10.4,10.8
2002,6.4,9,13.4,17.3,23.8,26.9,27.1,27,23.5,19.7,11.4,8.5
2003,7.4,9.9,10.9,16.7,24,27.6,27.9,28,23.5,19.6,12.2,8.7
2004,8.5,9.4,13.6,16.4,22.6,26.3,27.4,26.3,22.2,18.9,13.8,5.3
2005,6.5,8,12.8,17.3,23.9,26.6,29.4,27.7,23.2,18.2,12.1,12
2006,7.1,10.3,12,18.8,23.8,28.5,29.8,30.5,22.8,21.9,12.8,5.5
2007,4.9,9.7,10.6,18.6,25.1,27.1,27.2,26.9,24.8,20.1,11.4,8.1
2008,2.8,6,12.9,16.5,25.4,26.6,27.9,30,24.9,19.5,12.4,6.5
2009,4.3,9.7,12.5,15.1,23.2,29.5,27.4,25.6,23.7,18.9,13.4,9.5
