1901,5,2.5,7,12.4,15.1,22.8,24.7,25.5,19,12.3,6.6,3.4
1902,4.4,6.3,9.4,12.3,13.9,18.7,25.1,24,18.4,12.1,9.2,5.3
1903,4.7,6.6,9.4,12,13.7,19,24.1,25.3,18.9,14.3,9.4,3.5
1904,4.7,6,7.1,12.6,18.4,21.5,25.9,24.6,19,14.6,7.8,6.8
1905,4,4.7,9.7,13.4,14.7,19.6,24.8,24,17.7,12.2,6.9,4.7
1906,5.8,4.7,7.9,9.6,15.2,21.9,24.4,27,19.2,14,8,4.8
1907,4,4.5,9.7,11.1,14.1,22.3,23.6,25.4,19.9,11.5,8.9,6.9
1908,6.1,6.1,6.5,9.4,17.7,18.7,24.4,24.7,20.5,14.9,10,6.1
1909,3.5,4,7.6,13.5,16.1,17.4,23.9,25.2,17.8,14.6,8,6.5
1910,4.3,7.2,7.2,11,13.4,20.3,23.6,23.8,18.3,13.2,7.9,6
1911,2.8,6.2,7,10.1,14.5,18.4,25.1,25.3,21.3,12.5,8.4,6.3
1912,4.7,7.8,9.7,11.2,16.8,20.5,22.3,21.7,18,12.6,7.8,3.4
1913,6.1,5.8,8.9,10.9,15.9,22.3,24.8,23.5,17.2,12.9,9.4,4.2
1914,2.4,6.5,9.2,12.5,15.4,18.3,23.5,24.2,20.9,14.1,7.3,4.9
1915,4.3,4.9,8.4,10,16,17.6,25.1,25.5,19,12.7,8.1,6.1
1916,4.9,5.5,6.5,11.6,16,20.2,24,25.1,18.5,14.6,8,5.5
1917,3.7,5.1,6.8,9.7,16,20.4,25.7,23.3,20.8,11.9,8,5.8
1918,5.1,6.3,7.3,9.8,16.1,20.6,24.4,25.6,19.3,11.3,7.6,5
1919,3.6,7.2,8.1,10.3,16.1,21.6,23.3,25.6,19.3,11.2,6.1,3.6
1920,4.8,5.8,8.1,11.7,15.2,19.3,22.3,22.1,18.5,12.2,6.6,3.5
1921,4.8,6.1,8.3,10.9,14.8,21.1,24.8,23.7,20.5,15.7,7.6,4.5
1922,4.9,6.9,7.5,11.3,18,19.1,23.9,24.2,17.2,13.9,7.9,3.8
1923,3.6,6.5,9.6,9.7,15.9,18.3,24.9,25.9,18.2,16,7.3,3.7
1924,5.4,3.2,8.8,12.1,18.1,21.6,24.8,23.8,19.3,15.1,8.3,5.2
1925,4.6,4.9,6,10.9,14.4,19.6,21.7,23.5,18.6,13.8,6.7,5.7
1926,4.3,9.2,9.8,11.9,14,19.6,24,25.4,22.4,15.5,7.7,4.2
1927,4.9,5.2,8.4,13.3,16.7,20.3,22.4,22.8,18.9,15.2,7.5,5.5
1928,4.1,7.7,8.7,10.4,13.4,20.9,25.7,24.6,19.3,13.9,7.9,4.1
1929,2.8,6.5,9.2,12.3,14.4,20.6,24.1,23.5,19,13.6,8.2,6.4
1930,5.9,4,9.2,10.7,16.9,19.6,23.3,25.3,21,16.4,9.7,6.9
1931,5.4,6.2,10.5,12.3,15.9,22.3,24.6,23.4,19,14.9,8.7,3.9
1932,4.5,4.6,9.1,10.4,15.2,18.7,22.8,25.4,19.8,13.3,9.4,5.9
1933,4,5.7,8.9,14.3,17.9,19.4,26.5,28,21,14.4,6.7,2.4
1934,3.5,5.2,6.7,10.5,17.3,22.5,26,23.2,21.2,15.2,6.5,6.9
1935,3.2,5.5,9.5,12.2,13,20.7,26.2,23.7,21.7,12.8,7.8,6.5
1936,7.5,8.1,8.3,11.3,13.1,18.2,23.5,25.5,20.7,12.3,7.1,3.1
1937,5,8.1,7.6,12.4,16.4,20.8,26.2,26.1,19.8,15.6,9.9,4.2
1938,4.4,4.9,10.6,12.3,14.4,23.1,24.8,24.1,18.5,15.1,10.3,5.4
1939,7,6.5,8.1,10.8,13.9,18.9,24.3,24.5,21,12.7,8.4,4.7
1940,4,8,11.2,12.4,15.6,19.3,24.3,24.7,19.4,12.2,7.7,3.5
1941,3.6,6.8,9.2,10.9,13.2,20,23.7,23.1,20.1,14.9,7.6,4.3
1942,4.7,4.1,9.6,12,16.2,21,24.3,23.9,19.3,15.1,8.5,5.5
1943,6.1,6.2,8.7,13.6,17.4,23,22.9,24.9,19,13.9,7.4,5.5
1944,4.9,4,8.9,12.4,16.6,20.6,23.7,24.5,19.7,11.4,7.7,4.3
1945,2.1,6.9,10.2,15.5,17.3,22.1,25.1,23.4,22.7,14.9,10.3,6.6
1946,3.4,6.9,8.6,11.3,12.9,20.1,24.6,24.3,20.6,15.5,8.7,4.1
1947,4.1,6.2,9.9,14,15.7,22.5,25.8,24,19.6,15.3,10.9,4.2
1948,6.3,7.9,11.7,11.8,14.9,21.5,23.9,24,20.4,14.9,10.4,6.8
1949,6.1,7.4,8.8,15.2,15.7,21.8,26.2,26.7,20.3,15.2,9.4,6.1
1950,5.4,7.4,9.9,12.3,15.5,21.6,26.3,24.3,20.2,15.4,10.6,4.3
1951,5,5.4,8.6,11.7,12.9,20.5,24.5,22.6,19.9,12.5,8.3,6.7
1952,3,6.1,11.3,12.1,15.9,22.1,24.4,22.8,17.5,14.7,9.1,5.3
1953,4.1,5.3,8.6,11.8,17.9,19,24.2,25.4,19.7,13.4,9.9,8.1
1954,3.8,5.4,8.5,11,15.6,19.8,23.9,22.4,20.1,15.2,10.7,6.6
1955,8.1,6.5,7.9,13.9,18.2,20.6,24.9,24.6,19.8,14,8.7,7.3
1956,5.7,3.1,9,10.9,15.5,19.5,22.8,22.8,18.8,14,6.9,4.1
1957,3.4,7.8,11.8,11.3,15,19.1,24.8,25,20.9,13.6,8.1,3.7
1958,5,8.5,9.1,10.9,17.3,19,23.8,23.8,21.8,14.2,9,6.9
1959,6.7,6.8,9.7,12.8,15.3,20.6,25.6,23.6,18.8,14.3,9,6.2
1960,5.5,6.8,9.9,12.9,16.6,22.2,24.4,23.3,20,11.6,8.7,4.3
1961,4.6,9.4,11.6,13.3,18,21.4,25,25,21.2,14,8.8,6.6
1962,6.6,7,8.4,12.1,16.5,20.9,24.7,25.7,21.6,16,6.7,4.1
1963,5.4,4.7,9.4,11.8,16.1,19.8,24.4,23.1,18.7,16,9.6,5
1964,3.8,7.6,8.7,11.9,19.7,20.8,25.1,24.5,22.8,13.8,9.1,5
1965,5.3,4.7,9.4,12.3,18.2,22.3,23.7,24.2,17.3,14.5,8.3,6.1
1966,7.7,8.3,9,12.1,17.1,20.3,24.5,24.6,21.6,12.9,6.3,5.4
1967,4.8,6.7,11.3,11.1,14.5,19.3,26,24.4,19.2,16.1,9.6,4.2
1968,6,6.9,8.5,11.7,15.5,21.6,24.8,23.8,19.4,17,9,6.1
1969,6.6,4.9,8.7,12,15.2,18.9,25.3,24,17.2,14.9,8,5
1970,6.7,6.9,7.6,12.4,16.2,20.5,24.9,23.8,22.1,14,11.2,3.2
1971,4.7,7.4,6.1,11.5,13.5,18.4,24,23.3,20.6,16.4,7.4,6.6
1972,4.4,6.8,8.6,11.6,14.6,19.6,23.8,22.9,17.1,12.8,9.6,5.7
1973,5.4,6.5,8.4,11.8,16.1,20.3,24,25.8,20.3,13.6,9.6,4.8
1974,6.8,6,9,10.3,16.4,20,24.7,24.1,19.8,11.9,9.2,6.3
1975,6.9,7.5,7.4,11.5,13.8,20,25.4,24.4,18.2,15.2,8.8,5.3
1976,6,7.4,9.7,10.3,17.4,22,24.3,23.3,18.1,12,7,6.8
1977,5.6,7.6,10.3,12.8,14.1,17.9,21.4,21.9,21,15,9.4,7.8
1978,5.5,8,10,10.9,14.1,18.2,23.9,25.1,22.1,15,9.4,7.5
1979,7.5,7.4,8.7,10.8,16.1,21.7,24.7,24.5,19.8,13.7,9.1,6.9
1980,5.8,7.8,9.4,11.5,14.4,20.2,23.6,25,22.7,14.7,8.5,5.2
1981,5.7,6.4,11.2,11.3,15,22.2,24.2,24.5,20.8,15.6,11.8,7.4
1982,7.4,7.7,9.9,12.5,16.8,22.1,24.9,24.5,19.9,13.8,9.2,6.1
1983,6.1,5.6,11.1,11.3,14.3,22.5,25.1,23.2,22.8,16.5,11.6,6.4
1984,5.6,6.4,6.9,14.1,11.6,19.6,25.6,23.3,20.3,14,9.4,6.6
1985,3.7,8.8,8.7,13,14.8,21.7,26.5,25.2,23.8,17,8.7,5.9
1986,5.2,5.9,9.3,9,18.3,22,26.2,24.5,21.2,15.9,9.7,6
1987,5.1,7,10.9,13.6,16.5,21.9,24.6,26.1,23.5,13.8,9.7,7.8
1988,7.6,7.2,10.9,12.3,15.6,18.9,24.8,25.9,21.5,15.6,10.2,6.1
1989,6.3,8.2,11.6,11,18,22.3,27.1,26.5,20.1,16.5,11.4,8.9
1990,6.3,10.1,10.9,11.2,17.5,23,26.8,26.4,22.5,14.8,9.2,5
1991,5.5,5.9,9.9,11.5,15.7,23.1,26.8,27.6,22.1,13.1,9.1,6.5
1992,4.6,6.9,10.6,13.5,18.2,17.9,26,26.1,21,13.2,10.7,7
1993,5.7,6.7,10.2,11.7,15.6,21.3,25.3,26.1,18.8,11.6,8.6,6.3
1994,5.6,7.5,12.7,11.8,16.7,22.7,27.7,26.9,18.8,15.3,11,6.9
1995,6.7,8.6,10.7,13.8,18.5,21.9,26.5,25.7,18.5,17.2,11.4,8
1996,7.8,6.3,9.6,13.5,15.8,22.8,25.4,24.3,18.6,14.8,9.9,6.9
1997,6.8,9.6,13.4,15.1,16.4,19.9,23.9,25.2,22.4,17.1,9.6,6.5
1998,7,9.2,12.2,11.3,15.7,22.3,26.5,26.7,20.6,14.1,9.7,5.6
1999,5.9,7.1,10.2,13.5,17.8,22.2,26.5,25.9,20.4,14.9,7.8,5.7
2000,4.7,10,11.3,10.9,18,23.2,24.6,25.1,21.1,14.7,8.7,7.2
2001,7.1,8.1,11.7,13.4,16.6,23.3,24.7,26.1,20.7,16.4,8,4.2
2002,6.9,8.5,10.7,13.1,15.7,23.2,25.2,24.2,20,15,9.8,8.2
2003,6,6.5,11.4,13,18.3,25.3,26.3,27.6,21.8,14.3,10.2,6.5
2004,7.4,7.7,9,12,15.1,24.2,26.1,25,22.2,15.8,9,6.9
2005,5.4,5,10,13.6,18.7,24.6,26.8,25.9,20.5,15.5,8.5,5.8
2006,5.4,6.4,10.6,14.3,19.1,22.9,27.3,24.6,21.6,16.6,11.4,6.2
2007,6.2,9,9.7,12.8,16.5,20.6,25.2,24.5,21.1,15,8.9,6
2008,7.6,8.8,10.4,13.6,15.4,21.3,25.5,26.2,20.1,14.7,7.8,5.7
2009,5.1,7.3,11.4,12.2,18.7,23.4,26.5,27.7,21.3,17.1,11.2,5.9
