1901,5.2,11,11.9,13.1,13.4,17.9,19.5,19.6,18.9,16.2,12.1,9.2
1902,5.9,10.1,8.9,12.4,16.7,18.2,20.8,20.5,21.5,18,11.4,7.8
1903,5.7,6.9,8.4,13,16.4,16.6,18.4,19.7,18.4,16.1,11.2,9.1
1904,6.8,8.9,9.7,11.9,15.4,18,20.4,20.5,19.2,18.5,11.4,6.8
1905,5.1,5.5,8.4,13.4,17.3,18.5,21.3,21,20,18.4,14.5,7.3
1906,6.8,7.9,9.7,13.3,15.8,19.5,20.7,20.8,18.9,17.3,13.1,10.2
1907,6.5,7.8,7.3,12.8,16.4,18.2,20.6,20.8,18.3,16.6,11.4,8.7
1908,7,7.5,9.8,12.8,17.2,18,19.5,19.8,18.2,16,10.9,6.8
1909,6.7,7.8,11.5,11.1,19.4,18.9,21,21.1,19.5,16.9,13.6,10.3
1910,6.4,8.5,7.2,14.3,17,18.2,20.6,21,19.4,15.6,12,8
1911,6.2,5.6,8.6,12.7,16.8,18.2,20,20.3,18.7,17.2,13,8.6
1912,6.6,8.9,9.5,13.1,15.1,18.4,19.8,20.4,18.9,17.2,12.9,8.1
1913,7.1,7.4,8.8,12.7,15.2,17.2,19.8,20,19.7,17.3,11.6,7.5
1914,8,8,11.1,10.6,16.8,18.7,20.1,21.2,19.6,16.5,12.8,9
1915,8.6,9.3,10.8,12.7,16.4,20.1,21.4,21.3,19,17.8,13.4,10.4
1916,6,8.6,12.1,13.7,18.1,21.6,22.3,20.6,18.6,15.3,14.5,10.2
1917,7.9,8.1,11.6,13.8,15.2,18,20.3,21,18.6,16.1,15,8.6
1918,6.6,7.5,9.9,13.3,16.3,18.3,21.4,20.4,20,19.4,14.8,8.8
1919,8.7,10.3,12.4,12.7,14.6,17.3,20.9,20,19.8,18.8,14.7,8.6
1920,7.3,5.4,9.6,14.2,16.4,19.1,20.9,22.1,19,17.3,11.9,8.1
1921,7.1,6.8,8.2,13.2,16.1,18.3,21.1,22.1,18.8,16.4,12.6,8.4
1922,7.3,8.3,10.6,13.4,16.3,18.4,21.4,21.4,20,18.4,14.5,7.8
1923,7.9,8.2,8.8,12.7,17,20.4,20.3,20.8,19.3,16.7,14,9.9
1924,6.8,9.4,10.4,14.3,16,19.2,21.7,21.2,19.9,17.1,12.8,8.9
1925,4.5,7.8,12.1,11.8,17,18.8,21.1,20.7,19.7,18.1,14.9,10.4
1926,6.9,8.1,8.9,14.4,18.8,20.5,20.3,19.4,18.3,17,13.8,9.1
1927,7.4,5.4,10.5,12.4,18.3,19.3,22,21.3,19.6,19.4,14.6,10.8
1928,9.3,7.8,8.9,15.9,19.3,19,21.1,22.3,20,16.5,13.7,9.2
1929,6.3,6.9,8.5,12,19.8,19.4,20.4,20.7,20.5,16.4,13.7,8
1930,6.7,7.8,10.5,14.7,17,19.9,21.6,21.7,20.2,17.5,12.9,11.5
1931,8.2,8.3,11.7,13.7,16.8,18.7,21.5,21.8,20.5,17.5,12.1,8.9
1932,6.6,8.3,10.7,13.1,16.1,19.8,22,21.2,19.8,19.2,13.6,8.6
1933,7,9.8,10.2,10.9,16.8,20.9,20.2,20.1,17.9,15.7,16.3,10.5
1934,7.3,5.9,11.7,14.1,18,19.9,21.1,21.5,19.1,17.8,14.6,9.2
1935,8.2,8,11.1,13.7,19.1,20.1,20.5,20.9,19.6,18.5,12,9.5
1936,8.3,9.2,11.6,14.7,17.6,18.2,21.8,21,18.2,19.8,14.4,7.3
1937,5.1,9.1,11.5,14.5,16.7,18.3,21.2,21.1,20.7,18.1,13.6,10.3
1938,7.5,6.9,7.3,13.1,16.4,18,22,21.8,19.6,17.1,11.8,9.4
1939,7.3,7.8,9.7,13.3,20.1,19.4,21.5,21.2,21,19.5,12.6,9.7
1940,7.6,8.7,9.8,14.1,17.2,20.5,21.6,19.6,19.3,18.8,13,8.6
1941,9.3,11.4,10.4,14.3,20,19.4,21.5,21.5,18.9,16.1,14.6,7.8
1942,6.9,9.3,10.9,15.1,18.2,20.7,21,20.6,18.6,17.7,13.7,9.4
1943,6.9,7,8.3,10.8,16.6,17.7,21.2,21.2,20.1,19.9,16.1,11
1944,6.1,8,10.3,14,15,20.8,20.5,21.1,19.7,18.2,12.6,8.9
1945,6.5,6.3,6.6,11,17.9,17.6,21.6,22.3,19.5,16.3,12.7,7.3
1946,7.6,7.2,9.1,13.6,17.4,18.7,20.9,21.5,20.7,17.7,15.4,9.1
1947,7,9.3,11.7,13.7,17.9,18.6,21.4,21,18.5,17.4,12.8,9.9
1948,8.6,8.1,6.9,11.7,16.5,19.5,20.8,20.5,19.1,16.6,12.6,7.4
1949,6.1,5.6,9.4,9.8,18.7,19.2,20.6,20,17.6,16.5,14.7,9.5
1950,6.5,6.7,10.3,15.4,16.8,18,20.6,21.6,19.1,16.4,12.1,10.2
1951,7.4,8.5,11.3,13.2,18,18.5,20.5,21.3,20.6,18,12.2,10.9
1952,7.4,9,7.4,13,16.5,17.6,20.5,22,21.1,18.4,12.8,10.4
1953,6.7,8.6,7.4,13.1,17.6,19.1,22,21.3,18.9,17.3,11.2,7.2
1954,5.9,8.3,11.4,12.5,17.8,18.3,20.6,21.5,18.6,16.8,13.4,8.6
1955,8.6,10.8,10.2,13.7,16.5,19.2,20.9,20.2,19.7,18,12.7,9.1
1956,7.5,9.2,8.7,12.2,14.8,19,21.1,22.2,20.7,15.6,12.4,8.2
1957,4.8,7.4,9.4,12.4,16.6,18.7,20.4,20.8,19.7,18.2,13.4,8.6
1958,6.8,7.7,11.5,13.8,15.8,18.4,20.5,20.4,18.4,16,13.2,10.3
1959,6.6,4.4,8.2,12.5,16.7,18.3,19.8,19.7,17.8,14.7,12.1,8.9
1960,7.3,7.9,10,13.8,17.6,17.3,19.9,20.6,19.3,18.8,13.9,12.4
1961,7.7,7,8.2,13.3,16.8,20.8,20.6,21.5,17.7,15.8,12.5,8.9
1962,8.8,7.7,12.5,12.4,16.9,19.8,21.3,22.2,20.1,18.3,15.5,9.2
1963,8.6,9.6,9.2,14.4,17.2,19.5,21.5,21.8,20.5,18.9,13.7,9.5
1964,5.9,7.3,11.1,12.4,15.6,19,20.3,20.7,18.4,17.9,12.5,9.5
1965,7.9,8.6,11.1,13.1,16.1,20.9,20.7,21.3,19.8,16.6,12.7,8.8
1966,7.7,9,10.3,14.3,17,19.9,20.6,21.3,19.9,18.1,16.6,9.4
1967,5.8,7.1,7.6,12.7,16,18.9,20.8,21.5,19.3,16.7,12.7,9.1
1968,6.3,8,9,14.1,18.4,20.9,21.9,21,19,16.2,12.3,9.6
1969,6.8,10.3,12.9,12.4,17.3,20.6,20.1,20.9,21.1,18.4,13.5,9.3
1970,8.9,8.9,11.6,14,16.8,18,20.7,20.7,19.9,15.6,13.2,7.4
1971,9.6,8.2,11.1,12.2,17.6,18.6,20.3,21.2,20.2,16.1,12.1,8.1
1972,7.3,7.5,10.2,15.3,16.6,18.9,20.3,21.5,20.7,17.7,12.8,8
1973,6.9,9.8,9.2,12.7,16.3,18.7,21.3,20.5,19.6,17.6,11.2,9.4
1974,6.3,8.3,11.3,14.4,16,18.9,20.9,20.8,19.8,18.2,12.3,7.9
1975,6.2,8.4,10.7,15.3,16.6,19.2,20.7,20.6,19.5,16.5,12.5,8.6
1976,6.9,6.9,10.4,13.5,17.4,18.5,19.8,19.5,19.4,17.7,14.9,9.4
1977,7.5,10.1,9.3,13.5,17.8,19.7,21.1,21.8,19.6,15.7,13,7.8
1978,7.3,10.1,10.5,13.9,18.6,19,22.1,19.2,19.5,18.5,10.5,9.5
1979,7.3,9.7,11.5,14.9,17.1,20.3,20.7,20.9,19.9,18,14.1,8.5
1980,6.6,8.1,10.5,13.6,17.1,19.3,21,21.2,19.3,17.3,13.9,9.2
1981,6,7.8,10.8,14.5,16.1,19.3,20.8,20.6,19.4,18.3,11.2,9
1982,8.6,7.2,8.9,15.2,15.7,19.3,20.4,20.7,19.8,17.8,10.8,7.6
1983,5,6.5,8.1,11.9,16.6,19.1,21,20.3,18.9,15.1,13.1,8.4
1984,6.6,8,10.4,12.3,17.6,17.6,19.5,19.4,19.2,17.5,11.9,8.4
1985,9,6.9,10,13.1,18.2,19,19.9,21.3,19,15.2,14,9.6
1986,7.9,9.3,11,14.6,14.7,19.4,21,21.3,21.1,16.8,11.1,7.3
1987,7.4,9.7,8.4,11.4,17,18.8,21.3,21.1,19.7,16.1,12.3,9.5
1988,7.9,8.3,9.9,13.9,18.3,20.2,22.2,21.6,20.1,16,10.2,8.6
1989,5.4,6.1,9.9,15.7,17.7,18.6,20.6,21.2,19.5,16.3,12.6,8.5
1990,7.2,7,9.5,14.4,16,18.2,21.1,20.4,18.8,17.6,15,11.1
1991,6.9,8.3,11.7,15,17.5,19.3,20.9,21.2,19.6,18.4,13.2,6.9
1992,6.3,6,9.1,12.4,16.5,19.2,20.8,21.5,19.2,18,12.8,8
1993,6.4,6.3,8.9,13.3,16.6,19.2,21.3,21.6,20.3,19,14.1,10.1
1994,9.6,8.4,9.9,14.9,17.6,18.8,21.4,21.8,21.3,19.8,12.8,7.2
1995,7.2,8.6,11.1,12.9,16.8,20.9,21.8,21.5,20.7,17.1,11.1,8.4
1996,8.1,9.5,10.2,12.3,18.2,18.8,23.1,21.6,20.8,16.5,14,9.4
1997,8.7,6.4,8.3,11.9,17.2,20.1,21.7,20.9,19.1,17.2,14.1,9.7
1998,8.1,9.2,9.7,15.6,18.7,19.3,22.6,22.7,21.8,18.3,14.6,9.9
1999,8.7,9.3,11.2,13.6,18.1,19.5,21.8,22.4,21,18.5,13.9,9.7
2000,7.1,7.5,9.5,15.4,17.3,19.8,23.2,21.3,20.7,16.7,13.2,9.7
2001,8.5,8.3,13.5,14.8,18.5,19.7,22.4,22.7,21.4,18,13.1,9.7
2002,6.8,9.9,12.6,14.1,17.4,18.7,23.6,22.7,21.9,17.9,14.5,10.1
2003,9.6,7.9,9.1,14.5,19.8,20.6,22.2,22.3,20.6,18.4,14.3,9.6
2004,8.4,8.7,12,14.1,17.5,18.9,22.4,21.5,20.6,19,13.4,9
2005,8.6,8.6,11.1,14.5,17,18.5,22.3,21.9,20.6,17.2,12.7,11
2006,8.2,9.8,11.3,14.5,17.1,20.2,21.7,23,21.4,18.3,12.2,8.3
2007,7.4,9.3,10.9,13.3,18.8,20.3,23.1,22.6,20.5,18.9,14.1,9.4
2008,6.1,7.6,12.7,14.9,17.8,21.2,22.3,23.4,21.7,18,14.7,11.2
2009,8.9,10,10.3,14.7,17.7,21.5,23.2,22.3,21.4,19.4,13.7,11
