1901,4.2,3.5,8.4,11,12.9,17.7,20.6,20.1,18,14.2,9.2,8.3
1902,6.1,8.1,7.7,12.1,11.4,16.4,20.7,20.5,19,15,9.3,6.3
1903,5.6,6.5,8.3,9,14.4,16.2,19.4,20.7,18.4,14.2,9.6,8.5
1904,5.9,7.6,8.6,12,14.9,19.1,22.1,20.6,16.6,13.3,7.9,6.7
1905,2.6,3.8,8,11,13.7,16.6,21.5,21.2,19.8,11.4,11.2,7.6
1906,5.1,4.6,7.5,10,12.8,16.8,20.1,20.7,16.9,13.9,11.2,5.9
1907,3.9,4.3,4.6,8.6,15,17.1,19.3,21,18.4,16.3,10.8,8.4
1908,5.2,5.7,7.2,8.8,16.3,18.1,19.7,20,16.6,13.8,8.7,6.2
1909,4.2,3.5,7.5,11.4,14.1,17,18.8,19.9,17.4,14.6,9.4,8.9
1910,6.2,6.7,7.5,10.9,13,16.9,18.6,19.9,15.7,14.8,9.2,9
1911,4.6,4,8.2,9.8,13.5,17.6,20.8,21.7,18.6,14.9,12.2,8.8
1912,6.3,8.4,9.2,9.1,13.9,17.7,21.3,19.6,15.2,13.9,8.2,7.9
1913,6.8,5.2,9.2,10.7,14,18.1,18.7,19.7,19.5,15.7,11.6,7.5
1914,4.2,7.2,8.5,12.2,14.4,16.8,19.6,20.4,17.2,12.6,9.1,8.1
1915,5.7,5.9,7.6,9.9,15.3,18.7,20.3,19.9,16,12.3,9.4,9.2
1916,6.6,7.1,9.4,11.1,15.1,19.3,21,19.6,16.3,13.6,10.9,9.2
1917,6.1,5.3,7,9.3,15.5,19.9,20.5,21.6,19.6,13.9,9.4,5.4
1918,5.6,5.3,7.1,10.7,14.4,16.8,20.5,19.8,19.9,13.3,9.2,8
1919,6.5,5.7,8.2,9.9,11.8,18.2,19.3,21,19.2,12.3,9.9,6.4
1920,6.8,6.7,8.9,11.6,17.1,18.2,21.8,20.7,18.9,14,9.7,8.4
1921,7.4,6.2,8.3,10.2,15.6,16.9,21.4,21.1,18.2,15.7,9.4,6.7
1922,5.2,6.2,9.6,10.9,15.7,19.4,20.5,22.3,17.8,14.1,7.9,6.2
1923,4.8,6.5,7.7,10.8,15.7,16.3,21.4,22.3,18.8,14.9,12.4,7.1
1924,4.5,5.4,7.5,11.3,16.4,18.9,21.3,19.8,19.7,14.7,9.8,8.5
1925,6,7.3,6.7,10.9,14,18.5,20.1,21.2,17.8,14.7,11.1,6.4
1926,6.5,8.8,8.3,11.4,13.1,16.1,18.6,19.2,19.7,16.1,14.5,7.5
1927,6.6,5.4,9.3,11,14.9,20,21.8,21.9,19.1,14,12.8,8.5
1928,7.2,6.4,8,11.6,12.9,18.5,22.7,23.1,19.8,14.9,11.2,6.4
1929,4,2.5,7.2,10.1,15.5,18.8,21.5,20.5,18.6,14.6,11.6,8
1930,7.4,6.3,9.1,11.1,13.6,19.1,21.1,20.2,18.4,13.7,11,8.1
1931,7.2,6.1,8.2,9.5,13.9,19.4,21.2,21.4,16.6,13.5,11.2,6.6
1932,5.4,3.4,7.3,9.7,13.6,16.1,20.2,20.7,20.7,16.5,11.7,9.5
1933,5.9,6.7,7.4,10.4,12.7,14.8,18.9,19.9,17.8,15.5,12.1,7.1
1934,5.9,6,8.6,11.7,15,17.4,19.9,20.4,18,14.4,11.7,9.2
1935,3.7,6,6.7,10.4,12.6,18.6,20.3,20.4,18.3,15.8,11.9,8.2
1936,9.4,7.1,9.2,11.1,13.4,16.4,20.6,19.7,17.9,12.8,10.4,7.9
1937,6.7,8.1,9.1,10.3,13.8,19,19.7,20.3,18,15,11.3,7.2
1938,5.5,5.1,7.7,8.4,12.2,18.7,20.6,20.4,17.4,14.9,11.4,7.8
1939,8,7.7,5.9,11,12,16.2,21,20.6,17.9,15.2,11.2,7.5
1940,4.5,6.3,7.4,9.6,13.1,15.2,18.4,18.1,17.9,15.3,11.5,4.6
1941,6.4,7.6,8.8,9.5,12.8,17.7,21,20.5,16.4,13.9,9.5,6.3
1942,2.6,4.7,8.2,11.1,15.1,18.3,20.6,20.1,20,15.5,10.1,9.4
1943,4.8,7.1,8.2,11.7,14.3,17.7,20.9,21.7,20.7,16,10.7,8.9
1944,6.3,4.6,5.9,11.4,14.9,19,20.4,21.8,19.1,14.5,10.3,7.5
1945,3.5,6.1,7.7,11.8,16.6,20.4,22.7,21.4,18.8,13.1,9.9,7.5
1946,5.6,6.3,7.5,11.3,13.5,18.5,21.6,22.2,20.4,14.2,11.6,6.4
1947,4,7.7,10.7,11.3,14.6,19.1,21.9,21.1,18.9,14.1,12.2,7.2
1948,7.6,6,8.2,10.8,14.7,17.2,19,21.1,17.7,15.6,10.5,6.6
1949,7.3,6.3,5.9,11.1,14.8,17.5,20.2,20.1,19.2,15.7,10.9,8.4
1950,5,6.3,8.7,11.1,15.5,19.9,21.8,21.5,19.3,14.9,10.8,8.4
1951,8,8.5,8.3,10.2,13.9,18.3,20.2,21.1,19.1,13.3,12.2,8
1952,6.2,5.2,7.8,11.9,14,19.6,22.6,22.9,19.7,15.3,10.6,8.7
1953,4.8,5.3,6.4,11.3,14.6,16.9,20.4,20.2,19.1,15.9,10,9.1
1954,4.9,5.7,9.8,9.7,13.5,18.9,19.5,19.9,19.5,13.7,10.5,8.6
1955,10.1,8.7,8.1,9.5,14.8,18.1,20.9,20.2,18.2,14.6,10.9,10.3
1956,8,4.2,6.8,10.1,14,16.3,20.6,21.9,19.5,13.9,10.2,6.9
1957,6.5,8.4,7.6,10.5,13,18.6,20.4,20.5,17.9,15.6,11.3,7.6
1958,6.7,8.2,6.8,9.3,15.4,17.7,20.4,21.7,18.4,14.6,12.5,9.7
1959,5.8,6.4,9.7,10.2,13.5,16.9,20.6,20.1,17.7,12.2,10.9,8.8
1960,6.9,8.2,9,10.2,14.2,17.9,19,20.5,17.5,15.3,12.1,8.9
1961,6.7,6.1,7.9,12.1,13.3,17.4,19.3,19.8,18.2,14.5,12.1,7.6
1962,7.4,5.1,7.6,10.6,13.3,16.5,19.7,20.9,18.6,15.2,10.9,6.1
1963,5.5,5.7,6.5,10.2,13.1,17.6,20.5,20.4,18.3,13.5,13,9.3
1964,4.6,6.2,9,10.2,14.2,18.1,19.1,20.2,17.1,14.4,11.9,7.8
1965,6.7,3.7,8.1,9.7,13.3,17.2,20.4,19.6,17.9,14,12.3,9.3
1966,6,9.6,7.6,11.6,14,18.1,19.4,20,18.1,16.6,9.3,6.9
1967,5.6,7.1,8.7,10.2,14.1,16.2,20.6,20.7,18.2,15.5,12,7.9
1968,5,8.4,7.7,11.5,14.6,17.2,19.4,19,17,14,11.1,7.9
1969,6.6,7.1,8.9,10.3,15.5,16.1,18.5,19.5,18.6,14.4,12.4,6.3
1970,8.2,7.6,7.5,10.3,12.1,17.5,18.8,20,17.8,13.1,11.5,8.5
1971,8.1,6.4,5.9,11.2,14.6,16.2,19.2,21.7,16.4,12.4,10.1,7.3
1972,7.7,8.6,9.8,11,13.5,17.3,19.3,19.1,16.5,12,11.2,8.6
1973,7.6,6.1,6.4,8.5,14.1,18,20.4,19.8,18.7,15,10.2,7.9
1974,7.3,7.4,8.3,10,14.1,17,19.7,21.5,19.1,12.2,9.3,6.9
1975,6.5,6,8.3,9.9,14.1,17.1,20.1,20.8,19.9,13.9,10.7,7.9
1976,6.2,7.5,7.3,9.6,14.4,17.4,20.2,18.9,16.6,15.1,10.4,8.6
1977,8,9.8,9.9,9.9,14.5,16.5,20.5,19.6,17,14.5,11.3,7.3
1978,6.4,8,8.4,10.2,13.4,17.6,18.7,20,17.3,13.8,8.1,10.1
1979,6.7,8.8,9.6,9.9,14.3,18.5,20.5,19.9,17.6,15.7,10.8,8.7
1980,6.4,7,8.3,8.6,12.7,16.3,18.4,21.4,18.4,14,11.1,5.3
1981,4.2,5.2,10.2,11.2,13.4,18.1,19.1,20.3,18.2,15.9,7.9,9.1
1982,8.3,5.8,6.8,9.7,14.3,19.1,21.8,21.8,19.7,15.5,10.9,8.5
1983,6.5,5,8.1,10.7,14,17.4,22.4,21.2,18.4,14,10.9,8.3
1984,7.4,6.9,7.5,10,14,17.7,20.3,20.3,17.6,15.3,12,8.2
1985,5.6,6.7,7.7,11.2,15.3,17.9,21,21.1,19.2,15,11.8,9.3
1986,7.3,6.7,10,10.7,16.4,18,21,22.7,18.7,15.7,10.8,5.7
1987,6.8,7.3,4.8,10.8,12.6,17.9,22.1,21.7,20.8,16.2,11.5,8.6
1988,9,8,7.8,11.1,14.8,18,21.7,21.9,18.3,16.3,8.8,6.7
1989,5.1,6.8,9.2,11.6,13.2,17.5,21.2,21.1,17.9,12.5,10.1,8.8
1990,6.7,7.8,8.8,11.3,14.9,18.2,19.4,20.7,18.8,17.3,12.3,7
1991,6.3,6,10.6,9.8,12.5,18.2,20.7,22.4,20,15.3,11,5.4
1992,6,5.9,8,10.7,14.8,17.5,19.8,22.8,19,16.9,12.4,8.6
1993,5.7,4.4,6.6,11,15.3,18.7,19.8,22.2,19.1,14.9,10.1,8.5
1994,7.7,6.9,9.3,10.8,14.8,18.2,22.2,23.3,20.1,15.4,11.2,8.4
1995,5.9,8.1,6.7,8.9,13.4,16.8,21,20.4,17.1,14,9.7,9.9
1996,7.8,5.5,7,10.3,14.5,18.1,19.6,21,15.7,13.4,11.9,8.5
1997,8.3,6.6,8,7.9,14.6,18.9,20.4,20.5,18.7,14.4,11.4,8
1998,7.1,7.6,6.4,11.2,14.2,19.2,21.5,20.7,17.7,14.9,9.5,5.9
1999,5.9,4.3,7.6,10.7,15.1,18.9,20.7,22.5,19.5,15.5,10.9,8.3
2000,4.3,5.7,7.6,12,16.2,18.7,20.3,22,18.2,15,12.8,9.3
2001,9.2,7.1,11,9.7,16,17.7,21.6,22.2,17.8,17.8,11.1,5.4
2002,4.8,8.3,9.5,11.4,15.5,19.3,20.9,20.2,17.4,14.4,12.9,8.9
2003,7.9,4.5,6.9,10.1,16.2,19.8,22.4,23.5,18.4,15.3,12.5,8.1
2004,6,6.8,8.1,11.2,12.6,17.8,20.8,20.9,18.5,16,10.9,9.9
2005,5.6,5,7.2,10.4,15.5,18.4,21.5,20.3,18.7,14.9,11.2,7.3
2006,6.4,6.7,7.8,11.5,15.2,18.1,22,20.1,19.3,15.8,9.7,8.5
2007,8,9.3,9.7,12.3,15.3,19.9,21.4,21.4,17.6,14.2,10.5,7.8
2008,7.9,6.7,8.2,12,16.1,18.8,21.9,21.9,18.5,15.4,12,9.3
2009,8.6,5.7,8.2,12.5,16.2,18.3,21.7,23.2,20,14.8,11,9
