1901,5.3,3.1,7.6,12.3,15.4,22.7,25,25.7,19.5,12.6,7.3,3.9
1902,4.8,6.8,9.6,12.3,14.3,19,25.1,24.6,19.3,12.5,9.3,5.5
1903,5.1,6.8,9.5,12.1,14.1,19.4,24.6,25.6,19.5,14.6,9.5,3.9
1904,4.7,6.2,7.5,12.5,18.2,21.4,25.9,24.9,19.6,15,8.5,7
1905,4.3,5,9.9,13.3,15.1,19.8,25.1,24.5,18.6,12.8,7.4,5
1906,5.7,5,8.3,10,15.3,21.9,24.9,26.9,20,14.4,8.3,4.7
1907,4.2,4.7,9.6,11.3,14.4,22,23.8,25.6,20.6,12,9,7
1908,6.1,6.1,6.9,9.7,17.4,18.9,24.6,24.9,21.1,15,10.1,6.3
1909,3.8,4.5,8,13.1,16.2,17.8,24.3,25.2,18.4,14.7,8.6,6.8
1910,4.7,7.2,7.4,11.1,13.8,20.3,24,24,19.1,13.8,8.4,6.2
1911,2.9,6.4,7.4,10.2,14.6,18.7,25.2,25.5,21.8,13,8.6,6.5
1912,5.2,8.2,10,11.3,16.9,20.5,22.7,22.2,18.6,12.9,8,4
1913,6.4,6.1,9,10.9,15.9,22.2,24.8,23.7,18,13.3,9.5,4.7
1914,3,6.8,9.3,12.3,15.6,18.4,23.7,24.4,21.3,14.3,7.8,5.2
1915,4.3,5.4,8.7,10,15.8,18.9,25.4,25.7,19.6,12.8,8.4,6.1
1916,4.9,5.8,7.2,11.4,16.1,20.2,24.1,25,19.3,14.7,8.3,5.8
1917,4,5.6,7.3,9.9,15.9,20.5,25.8,23.8,21.3,12.6,8,4.5
1918,5.4,6.3,7.7,9.9,15.9,20.7,24.6,25.3,19.7,11.6,7.7,5
1919,3.6,7.4,8.4,10.4,15.6,21.3,23.6,25.8,20,11.7,6.6,3.5
1920,4.8,6.2,8.4,11.9,15.8,19.9,23.1,23.2,19.5,12.6,7.2,3.7
1921,4.8,6.2,8.6,10.9,14.9,20.8,25.2,24.3,20.7,15.8,7.9,4.4
1922,5,6.9,7.8,11.3,17.5,19.6,24.4,24.6,18.2,14.1,8.3,4.2
1923,3.3,6.7,9.6,9.7,15.9,18.7,25.4,26.3,18.9,16.1,7.6,3.5
1924,5.4,3.8,9,12,18.2,21.8,25.3,24.2,19.9,15,8.6,5.4
1925,4.7,5.2,6.3,10.9,14.6,19.5,22.4,24.2,19.4,14.1,7.1,6.2
1926,5,9.2,10,11.9,14.4,19.9,24.7,25.8,22.9,15.9,7.7,4.4
1927,5,5.5,8.6,12.9,16.8,20.8,23,23.7,19.8,15.4,7.8,5.7
1928,4.1,7.5,9,10.7,13.7,21.1,26.5,25.3,20.4,14.2,7.9,4.3
1929,3.3,6.8,9.3,12.2,14.7,20.9,24.8,24.2,19.8,13.8,8.3,6.5
1930,6.1,4.3,9.4,10.5,16.6,19.5,23.7,25.7,21.3,16.4,9.8,6.8
1931,5.2,6.2,10.4,12.2,15.8,22.2,24.9,23.7,19.6,15,9.1,4
1932,4.6,4.9,9.3,10.5,15.4,19,23.3,25.3,20.2,13.4,9.3,6
1933,4.2,6,9,13.8,17.9,19.6,26.3,27.9,21,14.6,6.8,2.7
1934,3.6,5.2,7,10.5,16.9,22.2,26,23.6,21.5,15.1,6.9,7.1
1935,3.4,5.5,9.6,12.1,13.5,20.7,26.3,24.4,21.9,13.1,8.1,6.5
1936,7.6,8.3,8.5,11.5,13.3,18.4,23.9,25.7,21.3,12.8,7.3,3.5
1937,5.5,8.3,8.1,12.5,16.2,20.6,26.3,26,20.3,15.3,10.2,4.5
1938,4.4,5.2,10.3,12.1,14.7,23.2,25.1,24.1,18.7,15.2,10.3,5.3
1939,6.9,6.6,8.2,10.8,14.3,19.1,24.7,24.6,21,13.2,8.6,5.1
1940,4.6,8.2,10.9,12.5,15.7,19.6,24.6,25.2,20.1,12.8,8,3.7
1941,4,7.1,9.4,11,13.7,20.1,24.3,24,20.8,15.1,8,4.5
1942,4.6,4.4,9.8,12,16.4,21,24.8,24.5,20,15.4,8.9,5.8
1943,6.2,6.3,8.9,13.5,17.4,22.9,23.6,25.1,19.6,14,7.6,5.6
1944,4.9,4.3,8.9,12.7,16.9,21,24.4,24.9,20.4,12,8,4.4
1945,2.3,6.9,10.1,15.5,17.4,22.2,25.4,23.9,22.6,15.2,10.6,6.8
1946,3.7,7,8.9,11.4,13.4,20.5,25.8,25.2,21.3,15.4,8.3,4.2
1947,3.7,6,9.6,13.2,15,21.8,26,24.5,20.3,14.5,10.8,4.3
1948,5.1,7.9,11.4,11.8,15,21.6,24.3,24.5,20.8,14.8,10.3,6.9
1949,5.8,7.2,8.9,14.5,15.7,21.7,26.3,26.8,20.8,15.3,9.6,5.9
1950,5.3,7.4,9.9,12.1,15.6,21.6,26.5,24.8,20.6,15.2,10.6,4.4
1951,4.8,5.5,8.9,11.7,12.9,20.9,24.5,23,20.2,12.6,8.4,6.8
1952,3.3,6.1,11.1,12,15.7,21.6,24.7,23.1,17.9,14.7,9.3,5.2
1953,4.2,5.5,8.7,11.9,17.8,19.1,24.7,25.7,20.1,13.5,10.2,7.9
1954,3.9,5.3,8.4,10.8,15.8,19.9,24.3,22.9,20.4,15.4,10.8,6.6
1955,8,6.8,8.2,13.7,18.3,21,25.2,25.1,20.6,14.4,9.3,7.5
1956,5.7,3.2,8.9,10.7,15.5,19.9,23.3,23.2,19,14.5,7,4.1
1957,3.7,7.8,11.4,11,14.9,19.2,25.2,25.3,21.4,13.7,8.2,3.9
1958,5,8.5,9.1,10.9,17.3,19.2,24.2,24,21.8,14.4,9,6.9
1959,6.8,6.7,9.8,12.6,15.3,20.8,25.7,23.9,19.4,14.6,9.1,6
1960,5.4,7.1,9.8,12.6,16.6,22.3,24.8,23.5,20.3,11.6,8.7,4.3
1961,4.7,9.2,11.4,13,18.1,21.4,25.5,25.6,21.7,14.1,8.8,6.5
1962,6.5,6.9,8.7,12.2,16.4,20.9,24.9,25.9,22,16.1,6.8,4.4
1963,5.5,5.2,9.2,11.7,16,19.8,24.9,23.5,19.2,15.9,9.5,5.4
1964,4.7,7.5,8.9,11.6,19.2,20.8,25.4,24.9,23.2,13.8,8.9,4.8
1965,5.3,5.1,9.6,12.3,18.1,22.3,23.8,24.5,17.8,14.3,8.4,5.9
1966,7.4,8.2,9,11.9,17.1,20.4,24.5,24.6,21.8,12.7,6.4,5.2
1967,4.8,6.8,11,11,14.7,19.7,25.9,24.7,19.4,15.8,9.4,4.2
1968,5.5,6.9,8.7,11.5,15.5,21.3,25.2,23.9,19.6,16.5,9,5.8
1969,6.5,5.4,8.8,11.8,15.1,19.1,25.7,24.5,17.6,14.7,8.3,4.6
1970,6.6,6.8,7.8,12.1,16,20,25.1,24,22.1,14.1,10.9,3.3
1971,4.7,7.5,6.7,11.2,13.5,18.4,24.4,23.7,21.1,16.7,7.4,6.2
1972,4.5,7,8.6,11.8,14.9,19.6,24.1,23.6,17.8,13,9.5,5.6
1973,5.2,6.2,7.9,11.9,16.3,20.8,24.5,26.1,20.2,13.8,9.8,4.6
1974,6.5,6.3,9.3,9.8,16.2,20,25.5,24.6,20,12.2,9.1,6.3
1975,6.5,7.5,7.5,11.2,13.8,19.8,25.6,25,18.7,15.2,8.7,5.3
1976,5.5,7.4,9.5,10.1,16.8,22.2,24.9,24,18.5,12,6.8,6.5
1977,5.6,7.4,10.3,12.7,14.4,18,22,22.2,21.2,14.9,9.8,7.8
1978,5.6,7.9,9.9,10.8,14.1,18.1,24.1,25.2,22.3,15,9.5,7.6
1979,7.5,7.4,8.6,10.9,16,21.7,25.3,24.9,19.9,13.6,9,6.5
1980,5.5,7.8,9.5,11.7,14.7,20.6,24.1,25.4,23,14.7,8.8,5.1
1981,5.2,6.4,11,11.2,15.2,22,24.6,24.5,21,15.4,11.9,7.2
1982,7,7.7,10,12.3,16.9,22.4,24.7,24.7,20.5,13.7,9,5.6
1983,6,5.6,11.2,11.4,14.4,22.5,24.6,23.5,22.9,16.8,11.6,6.6
1984,5.5,6.4,7.3,14,12,19.7,25.9,23.8,20.7,14.1,9.4,6.8
1985,4,8.9,8.7,12.8,14.8,21.6,26.5,25.5,23.9,17.1,9,5.9
1986,5.1,6.3,9.3,9.2,18.2,21.7,26.3,24.7,21.7,16,9.8,5.7
1987,5,7.1,10.9,13.5,16.3,21.9,25,25.8,23.4,13.8,9.5,7.6
1988,7.2,7.2,10.7,12.5,15.5,19.3,25.3,26.1,21.9,15.5,10.4,5.9
1989,6.1,8.1,11.3,11,17.7,22.3,27.5,26.4,20.6,16.4,11,8.6
1990,6.2,9.7,10.8,11.3,17.8,22.4,27.3,26.6,23,14.9,9.1,5.1
1991,5.6,6,10,11.5,16,22.9,26.9,27.3,22.5,13.3,8.9,6.5
1992,4.8,6.9,10.3,13.2,17.9,18.3,26.2,26,20.9,13.2,10.3,6.9
1993,5.6,6.8,10,11.6,15.6,21.2,25.6,26.2,19.1,11.9,8.8,6.1
1994,5.5,7.3,12.2,11.8,16.5,22.4,27.5,26.6,19.4,15.3,11,6.9
1995,6.5,8.5,10.6,13.3,18.2,21.7,26.5,25.9,18.9,17,11.4,7.8
1996,7.5,6.4,9.6,13.3,15.8,22.6,25.6,24.5,19.1,14.7,9.7,6.6
1997,6.6,9.5,12.9,14.8,16.6,20.2,24.1,25.3,22.4,17.1,9.7,6.5
1998,6.8,9,11.9,11.3,15.7,22.1,26.5,26.7,20.9,14.1,9.8,5.6
1999,5.7,7,10.1,13.3,17.5,22.2,26.6,25.8,20.7,15,8.1,5.8
2000,4.8,9.7,11.1,10.9,17.5,23.1,25,25.1,21.2,14.4,8.6,6.9
2001,6.7,8,11.6,13.2,16.2,23,25,26.1,21,16.2,8.2,4.7
2002,6.9,8.4,10.4,12.8,15.8,22.7,25.5,24.5,20,14.9,9.7,7.8
2003,5.7,6.5,11.1,12.7,17.9,24.6,26.2,27.4,21.9,14.5,9.9,6.3
2004,7.1,7.5,9.1,11.7,15.1,23.5,26.2,25.1,22.1,15.6,9,6.5
2005,5.3,5.2,9.8,13.4,18.5,23.9,26.9,25.7,20.7,15.4,8.4,5.8
2006,5.2,6.3,10.3,13.8,18.5,22.4,27.2,24.8,21.6,16.3,11.1,6
2007,5.8,8.8,9.7,12.4,16.4,20.4,25.6,24.9,21.3,15.2,9.2,6.1
2008,7.3,8.8,10.3,13.2,15.2,21.3,26,26.4,20.4,14.8,7.7,5.4
2009,4.9,6.9,11,11.9,18.2,22.9,26.7,27.5,21.2,16.8,10.8,6.1
