1901,5,2.8,6.8,13.7,16.2,20.6,23.1,25.8,22.6,18.2,10.3,4.8
1902,3.1,3.9,8.7,11.2,16.1,20,22.7,24.4,22.6,16.6,12.3,8
1903,5,4.6,9.4,13.6,15.7,19.7,22.9,26.4,23.8,16.8,10,4.5
1904,2.5,5.3,7.1,14,16.1,21.4,25.3,26,21.6,16.3,9,6.2
1905,5.4,3.5,7.2,11.8,16.6,20.9,24.5,24.1,22.3,16.9,11.3,7.7
1906,2.6,4.3,7.4,12.4,16.5,19.5,24.1,25.8,20.9,16.2,9.9,5.9
1907,5.1,2.8,6.9,12.5,16.3,19.4,23.5,25.6,22,16.4,11.9,4.7
1908,4,3.7,6.8,12.8,15.9,20.7,23.1,25.3,20.3,16.8,9.2,5.6
1909,3.8,3.1,6.6,13,16.5,20.1,24.9,26.1,22.7,15,10.5,5.2
1910,5.5,3,5.8,12,16.5,21,24.4,24.9,21.8,16.6,10.7,4.7
1911,3.8,4.9,8.3,12.7,16.2,20.9,25.1,25.4,23.3,16.1,12.1,5.6
1912,3.1,6.5,7.9,12.4,16.7,20.7,23.9,26.2,21.5,16.4,10.1,5.5
1913,2.9,4.3,6,13.9,16,20.5,24.3,25,20.5,16.5,10.9,5.6
1914,4.5,4.5,9.2,11.6,17.5,21.4,26.4,26.8,23.2,16.4,12.5,6.1
1915,3.9,4.7,6.2,12.1,16.2,22.1,25.1,26.2,23.6,18.5,12.3,6.4
1916,5.8,5,5.6,12.6,17,22.7,24.7,25.9,24.1,17,12.7,7.2
1917,2.2,3.8,6.4,12.2,15.2,20.1,25.8,25.4,23.1,17.5,8.4,3.5
1918,1.5,3.9,6.8,12,15.8,20.1,25.6,25.9,22.4,16.8,10.6,5
1919,3.5,4.6,8.3,13.2,16.4,20.4,23.7,25.4,22.4,16.8,12.1,5.5
1920,4,3.3,7.2,12.5,16.9,21,25.7,25.6,22.2,17,12.4,6
1921,4.6,3.8,5.9,13.2,16.7,18.9,24.5,26.1,21.9,16.3,9.1,5.6
1922,1.6,7.3,6.5,12.8,16.9,21.6,25.1,27.6,23.9,17,11.3,4.3
1923,2.3,4,8.6,12.5,17.2,20.6,24.5,27.3,23.5,17.1,12,6.3
1924,3.7,4.5,4.7,13.9,16.3,20.2,26,26.1,22.2,16.5,9.8,5.6
1925,3.4,2.9,6.1,11.2,16.5,20.4,23.6,25.4,23,16.9,11.9,6.8
1926,3.1,4.5,6.1,11,16.4,19.6,24.2,26.7,23.6,15.5,10.2,4.5
1927,3.3,2.7,6.5,12.9,16.3,20.2,26,25.9,21.5,16.6,11.6,6.6
1928,3.8,3.5,6.9,12.6,17.8,20.3,24.2,24.8,23.7,17.1,12.1,5.7
1929,2.5,2.8,6.7,12.3,15.8,20.7,25.8,26.6,21.1,17,11.1,9
1930,3.8,5.3,8.8,13.7,17.1,21.3,26.2,26.6,21.8,17,10,6.2
1931,3.9,3.9,7.7,11.6,16,20.5,22.6,26,23,16.5,12.4,6.9
1932,5.9,3.7,6.5,11.4,17,19.9,25.7,26.1,21.9,16,11,6.3
1933,3.2,3.6,5.9,12.4,17.9,21.8,26.2,26.6,22.6,16.7,11.3,6.3
1934,1.8,3.5,5.9,11.3,17,21.2,25.1,26.2,22.1,15.5,10.3,6.7
1935,3.9,5,7,12.2,16.7,20.9,24.5,25.2,21.5,17,11.5,5.8
1936,1.4,2.2,5.2,11.7,15.9,21,24.4,26.3,24,16.5,11.3,7.3
1937,4.7,6.5,7.9,12.8,17.2,19.6,25.6,27.2,22.6,16.9,11.8,5
1938,2.7,3,9.1,12.5,17.7,21,25.1,25.4,22.1,17.7,10.2,5.9
1939,2.4,3.8,7,12.6,16.7,20.6,26,25.8,23.3,17.5,12.5,5.7
1940,2.5,3.1,7.2,12.2,17,20.7,26.1,24.9,22.7,18,12.7,6.7
1941,5.1,4.7,8.2,12.3,17.3,20.9,24.4,25.7,21.4,17.1,12.6,7.5
1942,3.1,3.3,10.2,12.7,16.9,21.4,27.5,27.1,24.4,16.4,10.1,5.3
1943,2.2,3.5,6.8,11.2,17.3,21.2,24.5,26.4,24.1,17.1,10.9,6.3
1944,3.4,3,6,11,17.6,21.8,25.5,26.4,23,16.8,11.4,4.4
1945,1.3,1.9,6.9,13.3,15.4,20.7,22.6,26.7,22.9,17.5,11.4,4.7
1946,3.8,4.3,6.6,13.8,16.6,22.1,26.3,26.1,23,17.7,13.1,4.9
1947,4.2,2.2,6.1,12.3,16.2,19.8,25.6,27.6,23.4,15.8,10.3,4.3
1948,4,4.9,6.8,13.6,17.3,21.1,25.7,25.7,23.4,17.9,12.1,8.6
1949,5.4,6.3,6.1,10.9,17.4,19.8,24.7,26.3,22.8,16.3,10.9,6.8
1950,5.4,4.8,7.4,13.8,18.4,21.2,25.5,26.2,23.2,16.5,11.7,5.5
1951,4.2,5.4,8,12.6,17.6,20.5,24.4,26.9,21,18.5,11.5,7.6
1952,4.4,3.9,7.4,13.2,17.3,20.8,24.3,27,23.3,17.1,13.3,6.9
1953,3.6,4.5,8.8,11.7,17.2,21.1,24.6,26.1,23.2,17.9,10.7,8.5
1954,6,6.1,8.1,14.3,17.2,19.3,23.2,27,23.9,16.3,12.7,7.6
1955,3.7,6.1,9.2,13.8,17.6,21.9,26.4,26.6,23.1,17.5,11,8.1
1956,4.2,3.7,8.6,12.9,16.9,21.7,25.2,25.7,23.1,18.1,11.8,4.8
1957,5.6,3.8,5.8,13.8,16.5,20.4,24.3,26.5,20.9,17,12.9,7.7
1958,4.7,5.9,8,13.6,17.5,21.6,24.8,26.2,23.3,16.5,12,8.5
1959,3.9,8.1,9.4,13.7,17.8,20.9,25.9,26.6,24.1,18.2,13.4,8
1960,4.7,6.6,9.5,12.7,17.5,21.1,26,27,23.9,17.9,12.8,6.5
1961,3.3,3.8,8.7,14,18.3,21.6,26.6,27.6,25.4,19.9,13.5,7.4
1962,4.2,5.5,7.8,13.1,17.1,20.7,25.2,27.2,23.9,17.4,12,7.5
1963,1.5,3.1,7.5,13.7,17.9,22.2,25.8,26.1,21,17,11.9,7.9
1964,6.1,4.1,7.2,16.2,18.6,20.8,25.8,27.3,23.5,17.1,11.5,7.5
1965,4.7,4.4,6.1,11,17.6,21.7,25.2,26.5,21.8,16.8,12.7,6.3
1966,3.8,6.8,9,13.4,17.2,20.5,25,26.8,23.4,17.6,12,5.5
1967,3.8,4.7,8.3,13.4,19.1,22.7,25.7,27.3,23.2,17,12.8,5.1
1968,3.8,2.7,8.2,13.8,17.4,21,24.3,26.2,22.2,16.4,12.6,9.4
1969,5.6,6,7.3,13.8,18.4,20.4,24.3,26.4,23.4,16.9,11.6,5.8
1970,3.9,5.5,4.7,12.5,18.2,20.1,25,26.4,24,17.5,11.7,6.4
1971,4.6,5.5,7.1,13.2,17.5,20.9,25.1,26.5,22.6,16,11.9,7.3
1972,7.3,6.2,8.7,13.4,17,20.7,24.7,25.9,22.3,17.7,11.5,7.2
1973,5.7,6.1,7,14.8,17.1,20.2,26,26.8,21.8,17,10.7,4.6
1974,3.2,4.5,6.9,13.7,18.1,21.5,23.8,26.6,22.3,17.2,10.8,6.5
1975,4.1,3.8,7.5,13.7,17.6,21.5,25.2,25.9,24.4,17.7,12.8,6.6
1976,4,7,8.5,13.1,17.3,21.5,24.1,25.5,21.7,16.8,11,6.5
1977,2.9,3.3,8.8,14,17.6,21.4,26,26.1,24,19,13.9,8.4
1978,5,3.6,7.6,13.1,18,22.2,27,27.7,23.7,17.8,12.4,8.2
1979,6.5,7.7,8.4,13,17.6,22.7,24.6,26.9,24,18.9,13.2,8.7
1980,4.8,3.8,8.2,12.9,17.9,22.3,24.5,24.9,22.6,17.6,12.8,5.6
1981,2.4,4.3,8.4,13.5,17.2,21.2,26.2,25.9,21.8,16.6,10.1,6.5
1982,4.6,4.8,9.1,13.3,19.5,21.2,23,25.8,22.2,17.5,13.9,7.8
1983,5.5,4.8,8.3,15.2,18.6,21.1,24.8,27.6,23.9,17.7,11.6,5.6
1984,2.8,2.6,5.2,12.7,17.6,22,26.2,28,23.1,17.5,12.8,7.1
1985,3.5,5.9,9.3,14.4,18.7,21,26.1,27.3,23.9,17.9,11.8,6.1
1986,3.3,3.2,8,13.6,17.4,21.2,24.4,26.8,23.8,16.5,12.1,8.5
1987,5.5,6.2,8.6,13.8,18.2,22.1,26,27.4,23.6,18.9,13.1,8.2
1988,6.6,4.3,8.1,13.7,17.7,21.7,24.2,26.7,24,17.1,10.2,6.5
1989,7.4,7.4,9,14.4,17.5,20.7,24.6,27,24.4,17.7,13.3,7.8
1990,5,8.8,9.7,14.2,17.9,22.7,26.1,28,24.6,18.8,14.4,8.2
1991,5.1,4.7,9.7,14.8,17.7,22.6,25.9,26.2,24.5,18.3,12.7,8.9
1992,6.7,5.8,10.2,14.4,17.1,21,25.6,26.6,23.6,17.9,12.7,8.4
1993,6.7,6.6,8.1,13.1,17.4,21,23.1,25,22.3,17.1,13.5,7.6
1994,5.6,5.2,7.5,15,19.1,22.2,28.1,28.5,24.7,20,13.8,8.7
1995,4.8,5.7,8.9,13.4,18,20.9,25.9,28.1,23,19.1,10.8,5.8
1996,5.2,4.4,8,11.6,17.8,21.8,26,26.6,22.7,17.9,12.9,7.6
1997,5,5.4,9.8,14.3,18.2,21.7,25,26.8,23.6,17.2,13.5,8.5
1998,5.2,7.4,9.8,16.7,19.9,22,26.2,28,24.6,20,12.8,8.9
1999,5.5,5.3,10.1,14,18.7,21.9,25.5,27.5,25.6,19.5,13.2,7.4
2000,6.9,4,7.9,13.6,19.1,21.8,26.8,27.9,24.5,19.1,14.2,7.8
2001,4.4,6.1,8.7,14.3,19,22.4,27.5,27.1,23.6,18.8,12.2,7.2
2002,5.8,6.5,10.6,15.6,18.6,21.8,27,27.9,23.9,18.2,10,7.5
2003,4.7,6.5,8.2,14.7,18.6,22.1,23.6,26.4,24.6,17.3,15,7.8
2004,5,6.8,9.2,15.3,19.5,23.2,27.8,27.1,25.1,18.6,14.6,9.4
2005,5.3,5.4,8,14.6,17.8,22.7,25.7,27.4,24.9,19.1,12.3,4.1
2006,4.7,6.4,8.1,12.8,18.2,22.2,25.2,27.5,23.8,19.5,13.6,8.3
2007,6.7,8.3,9.3,13.7,18.4,22.3,24.7,28.3,25.5,19,12.9,8.4
2008,5.7,4.4,10.3,14.9,18.9,21.5,27.1,27.6,24.2,19.1,12.5,8.6
2009,5.8,7.9,9.4,14.7,19.2,22.2,25.5,26.7,23.7,18.5,13.3,8.1
