1901,7.3,8.1,11.3,14.9,18.8,25.7,27.8,27.7,23,15.7,11.5,7.2
1902,6.7,10.1,11.9,15.8,18.4,23.2,27.6,28,23,14.7,11.9,8
1903,8.2,8.7,11.9,14.4,18.6,23.7,26.8,27,22.5,17.4,11.7,7.5
1904,7.2,9.1,11.1,14.4,19.5,24.4,28.3,28.2,22.9,17.4,11.9,8.9
1905,7.1,6.9,12.4,15.7,18.3,24.1,27.1,27.3,22.8,16.8,11.9,7.6
1906,8.2,7.8,11.5,14.2,18.7,23.9,26.8,27,23.1,17,11.6,7.1
1907,6.4,7.2,10.2,14.2,17.9,24,25.9,26,22.3,15.8,11.9,8.6
1908,7.5,7.7,9.4,13,18.2,22.7,26.4,26.4,23.4,16.3,12.1,8.2
1909,5.9,7.4,11.8,14.2,18.6,23,25.6,26.2,21.4,16.4,12.1,9.1
1910,6.8,9.2,10,13.4,17.9,23.6,26.9,26.4,22,17.1,11.8,8.5
1911,5.7,8,10.2,13.8,17.9,23,26.4,27.1,23.5,16.6,11,8.6
1912,7.8,10.9,12.3,13.6,19.2,23.4,26.2,25.9,20.9,15.9,9.9,7
1913,8.6,8.2,9.7,13.8,18.7,23.4,27.1,26.6,22,16.6,11.9,7.9
1914,6.9,9.3,11.5,14.6,18.8,22.9,26.5,25.8,22.3,16,11.3,6.3
1915,4.6,6.6,11,11.5,18.3,22.9,28.1,27.6,21.6,14.5,10.8,7.2
1916,5,6.5,9.7,12.6,17.7,22.5,26.6,26.6,20.8,15.8,9.8,7.3
1917,5.3,7.5,8.3,11.7,17.7,22.7,27.2,27.2,23.1,15,8.2,3.9
1918,6.5,6,8.2,11.9,17.4,23.3,27.2,26.4,22.9,13.6,9.6,6.6
1919,5.2,8.6,10.4,12.9,18.2,23.2,25.8,27.6,22.3,14.5,10.3,5.8
1920,6,8.3,10.4,14.4,19.2,23.9,27.5,27,22.7,15.5,9.9,6.6
1921,6,7.7,9.9,12.6,17.7,23,27.4,26.7,23.3,17.3,10.1,5.6
1922,6,7.9,10.4,14.2,19.3,23,27.1,27,20.4,16.4,9.5,5.3
1923,2.7,7.5,10.2,11.5,17.9,21,27.6,27.7,20.6,18,11.4,4.4
1924,6.3,7.1,11.4,14.2,20.7,24.2,27.6,26.9,23.6,15.8,10.3,5.9
1925,3.4,6.5,8.4,13.3,16.9,22.7,26.2,28,22,14.2,9.1,7.8
1926,6.9,9.2,10.7,14.3,18.1,23.9,28.6,27.1,23.5,17.8,8.3,5.4
1927,5.7,6.7,9.6,13.7,19.6,23.8,26.6,28.1,23.5,15.9,9.7,5.7
1928,5,7.3,11.4,14,17.1,24.7,28.8,27.7,23.6,16,9.4,5.9
1929,5.2,7.9,9.5,14.4,17.6,23.6,27,26.3,23.1,15.2,9.3,6.7
1930,6.9,6.6,10.4,12.9,18.1,22.6,26.5,27.2,22.4,17.1,11.7,7.8
1931,6,6.3,11.5,14.2,18.2,25.2,28.3,27.2,21.6,16.4,10.8,4.7
1932,4.7,6,10.8,13.1,18,23.1,25.7,26.5,23.1,15.2,9.8,6.7
1933,5.4,7.5,9.7,14.9,19.3,23,27.3,27.8,23.4,17.3,8.8,5
1934,4.3,5.3,7.9,12.7,18.2,23.8,27.5,26.3,23.1,15.2,9.2,7.4
1935,4.1,6.1,10.1,13.9,17.4,24.5,28.4,27.8,23.5,15.3,10.7,7.5
1936,7.7,9.9,10.7,14.5,17.1,22.8,27.2,26.8,23.5,14.6,9.7,5.4
1937,6.9,9.6,10.6,15.1,17.9,24,27.6,27.7,22.6,16.7,12.4,6.6
1938,5.6,6.4,8.8,12.9,17.7,26.6,28,26.4,21.1,17.1,11.4,6.3
1939,7.5,7.5,8.8,12.9,16.8,22.8,27.3,26.2,22.6,16,10.8,7.5
1940,7.4,9.6,11.1,14.5,18.7,23,27.1,27.9,22.9,16.1,10.2,5.8
1941,6.6,9.7,11.4,14,18,23,27,27.4,22.8,16.2,11,6.6
1942,5.8,6.2,12,15.1,19.7,24.8,28,26.9,23.4,17.7,11.1,8.1
1943,7.3,6.8,10.8,14.3,19.3,24.8,27.2,25.5,22.4,15.7,9.8,7.5
1944,5.1,5.6,9.5,14.7,19.3,25.6,27.5,28.2,24,15.7,10.7,6.2
1945,4.6,7.2,10,16.9,21,25.1,28.3,27.5,24,16.5,12.6,8.4
1946,6.3,7.5,11.1,14,18.1,24,30.1,29.7,24.6,17,8.3,6.1
1947,3.9,7.6,10.2,11.8,14.8,23.2,28.9,29,24,13.2,11.7,6.7
1948,2,9.3,11.3,14.6,19,24.7,26.7,27.4,22.6,17,10.2,7.3
1949,6.1,6.4,10.5,15.5,18.2,24.4,28.2,28.1,23.5,17.5,11.8,8.2
1950,6,8.6,10.5,13.8,18.6,24.4,28.3,28.1,23.6,17.1,12.3,6.7
1951,6.1,8.5,12,14.2,16.7,24.3,27,27.8,23.1,13.6,10.9,7.4
1952,5.2,7,13.1,13.9,17.9,26.2,28.6,28.1,22.6,17.7,11.4,8
1953,4.9,6.6,9.5,15.1,19.2,23.9,27.8,27.6,21.6,16.7,10.8,8.5
1954,5.3,6.4,11.1,12.8,19.1,24.1,26.9,26.7,24.1,16.1,11.8,7.4
1955,9.1,9.6,10.7,14.2,20.8,24.8,29,28,23,16.9,13.1,8.8
1956,7.2,5.2,10.6,14.2,18.5,23.4,27.3,27.7,23.2,16.4,8.6,5.8
1957,4.4,9.2,12.1,13.3,17.7,23,27,27.7,23.9,15.8,9.7,5.1
1958,6.6,10.2,11.6,13.8,20.3,24.6,27,27.5,24.2,16.5,9.6,9.2
1959,7.9,7.5,12.7,14.6,17.9,24.4,28.6,27.5,23,17.4,10.3,8.6
1960,5.7,10.2,11.3,13.2,18.5,24.6,27.7,27.9,22.6,15.9,12.6,5.6
1961,4.8,9.5,10.9,15.4,20.7,24.3,28.3,26.7,24.1,16.2,11.9,8.2
1962,6.9,6.3,10.1,13.8,19.7,23,27.8,28.3,23.4,18.1,8.8,6.6
1963,7.4,7.6,10.4,13.7,15.8,23.5,27.5,27.3,21.9,15.3,11.9,8.8
1964,5.2,9.4,11.7,12.7,21.2,24,27.1,26.5,23.3,15.6,9.5,5.5
1965,5.6,6.4,11.6,13.1,19.8,25,27.1,26.7,20.8,17.3,10.7,7.8
1966,9.1,12,9.3,14.7,18.8,24.1,26.9,27.8,22.9,15.5,7.6,5.9
1967,5.9,8.3,10.9,12.9,18.6,22.1,28.1,27.9,22.2,17.7,10.6,4.3
1968,5.9,8.1,11.1,14.8,18.6,23.4,28,27.3,24,17.1,11.8,7.1
1969,8.2,9.2,12.2,12.9,18.8,23.1,26.2,26.4,21.2,15.8,11.7,5.6
1970,8.4,8.7,10.3,14.1,17.8,23.7,27.9,27.9,23.6,15.8,10.7,6.3
1971,6.8,7.4,9.6,13.9,15.9,22.5,26.7,28.6,22.4,16.7,8.2,6.5
1972,5.8,8.4,10,13.3,16,22.8,26.6,26.2,21,16.2,11.9,5.6
1973,4.9,5.6,9.1,13.4,21.6,23.5,27.6,28.3,23.5,15.8,11,5.8
1974,6.5,6.8,9.7,12.1,20.7,24.1,27.6,26.9,22.4,13.9,10.3,6.1
1975,6.7,7.7,10.1,13.6,16.7,23.3,29.1,28.1,21.3,16,9.3,7.1
1976,5.1,6.4,9.1,12.4,18,23.9,27.2,27.8,22.3,15.4,8.9,9.1
1977,7.1,9.5,12.4,15.8,17.8,22.8,25.6,24.8,21.9,16.8,10.2,9.1
1978,6.2,10.5,10.9,12.9,17.6,22.4,27.5,26.9,21.9,14.7,10.1,9.9
1979,9.5,8.4,10.6,13.2,19,24.8,28.3,28.2,22.6,17.1,9.6,7
1980,6.3,9.5,10.9,13.7,17.6,25.1,27.3,29.1,23.8,16.1,10.7,5.6
1981,4,7.4,12.9,14.6,19.4,24.3,26.1,25.7,23.5,17.6,12,9.3
1982,7.1,8.3,11.9,14.6,19.3,27,29.3,27.5,23.1,15.1,9.4,4.9
1983,5.5,7.5,11.8,15.6,18.7,25.6,27.7,26.4,23.7,17.1,13.1,7.3
1984,5.7,7,10.1,15.2,15.4,23.4,30.6,27,23.8,15.2,10.8,6.8
1985,4.6,10.3,8.9,14.7,17.1,24.7,28.4,27.6,23.3,16.9,11.9,6.2
1986,5,7.6,9.3,12.3,20.4,23.7,27.6,28.6,23.6,16.6,9.6,6
1987,5.7,7.7,10.8,15.4,18.8,23.9,26.5,28.2,24.5,17.6,10.2,9.5
1988,7.1,7.7,11.2,15.2,19,22.9,27.7,29,22.5,17.5,11.6,5.6
1989,5,7.4,11,12.8,19,24.2,28.6,28.8,23.2,18.5,12.3,10
1990,5.1,9.6,12.3,13.4,19,25.4,28,28.2,25.6,18.1,11.5,6.5
1991,4,6,9.7,12.2,16.3,24.3,28,28.8,24,15.2,10,7
1992,3.7,6.8,9.2,14.2,18,21.2,26.7,28.3,23.6,15.8,9.9,7.4
1993,4,6.3,11,13.8,18.7,24,27.5,28.1,22.1,16.2,10.2,7.6
1994,5.2,7.6,11.7,12.8,21.1,24.5,30.3,29.3,22.7,16.7,11.4,7.9
1995,4.8,8.8,10.6,13.5,21.4,23.8,27.7,27.4,21.7,17.6,12.2,9
1996,8,7.1,10.3,14.1,18.3,24.5,27.4,26.7,21.4,15.5,10.8,8.2
1997,7.8,9.4,10.4,14.8,19.4,24.2,25.9,26.4,23.3,17.5,11.9,8.6
1998,6.6,9.1,10.8,14,17.6,25.2,28.3,27.7,23.8,15.5,11.6,6.3
1999,5.8,5.6,10.4,14.3,21.9,23.9,27.6,27.9,23.9,18.8,9.9,6.9
2000,4.3,8.4,11.5,15.2,19.6,25.6,28.5,27.9,23.5,15.3,11.8,8.8
2001,6.9,8.8,13.7,15,19.2,25.8,28.3,28.3,23.2,18.8,10.9,8.1
2002,5.4,8.7,11,13.9,16.5,25.5,28.3,26.2,23.4,17.7,11.6,9.7
2003,4.8,6.9,12.3,14.2,20.2,26.4,28.9,29.2,24.1,16.9,10.6,7.5
2004,5.8,9,9.8,14.6,16.2,25.1,28.2,28.6,23.4,18.7,9.2,6.5
2005,2.6,4.3,10.6,14.6,22.6,25.4,28.5,27.7,22.6,18.5,11,6.5
2006,4.4,6.2,11.5,15.6,21.5,24.9,29.6,27.7,23.1,18.7,12.3,7
2007,6.6,9.3,10.1,13.3,19,24.2,28,27.9,24.2,17.4,10.7,6.8
2008,5.5,8.3,10.9,15.5,19.1,24.8,28.7,28.3,23.1,16.9,8.3,5.8
2009,5,7.1,11.4,13.2,20.2,26.5,30,27.7,20.4,18,12.5,9.9
