1901,6.7,4.9,7.7,10.8,13,17.7,18.3,20,17,12.5,9,5.4
1902,6.4,8.1,9.1,11.3,12,15.5,18.6,19.5,17,12.6,10.2,6.9
1903,6.5,7.2,8.6,10.8,12.2,16.1,19.3,19.9,16.9,14.2,10.1,5.6
1904,5.5,7.2,7.2,10.6,14.5,16.7,18.9,19.1,17,14.7,10.3,8.6
1905,5.5,5.5,9.6,11.8,13.1,15.9,19,19.7,16.6,12.5,8.8,6.7
1906,6.2,5.5,7.9,9.5,12.8,17.8,19,20.4,18.1,14.2,9.4,5.2
1907,5,4.7,7.9,10.5,12.4,16.6,17.8,19.8,18.5,12.6,10,8.9
1908,7.3,6,7.1,9.1,13.8,15.3,18.2,19.5,18.1,14.7,11.3,8.1
1909,5.4,5.5,8.3,11,13.6,14.4,18.1,19.6,15.9,14.2,10.5,8.8
1910,6.1,8,6.8,10.3,11.6,16.4,17.9,18.4,16.8,14.1,9.9,8
1911,3.4,6.8,7.6,9,12.3,15.2,19,20,19.1,13.3,9.7,8.3
1912,7.1,9.6,9.9,10,14.2,16.3,16.9,17.2,16.3,12.8,8.8,6.2
1913,8.2,7.2,8.8,9.7,13.3,17.3,17.9,18.1,16.2,13.6,10.5,6.3
1914,4.8,7.9,8.8,10.5,13.2,14.7,17.4,18.9,18.2,13.8,9.3,7.6
1915,5.9,7,9,9.1,14.1,16,19.7,20.2,17.2,12.6,10.4,8.2
1916,6.1,6.5,7.6,9.9,13.7,16.2,18.2,19.2,16.8,14.2,9.8,8.3
1917,5.8,6.9,7.2,9.1,13.8,16.2,19.7,18.6,18.1,12.6,8.9,4.7
1918,8.1,7,7.6,9.2,13.1,16.3,18.8,19.6,17.6,11.4,10,6.8
1919,5.5,9.4,8.8,9.5,13,17.3,18.2,20.6,17.7,12.2,8.8,5.4
1920,6.5,8,8.3,11.4,14.2,17.1,17.8,19.2,17.9,13.4,9.9,6.7
1921,6.4,7.3,8.1,9.7,12.6,16,19.3,18.9,17.7,15.8,9.5,5.3
1922,6.1,6.9,7.4,10.1,14.2,15.8,19,18.9,16.1,13.9,10.2,5.7
1923,4.1,7.7,8.9,8.9,13.5,15.2,19.3,20.3,16.7,15.2,8.8,4.5
1924,6.4,4.9,9.1,10.4,15,17.3,18.9,18.4,17,14.1,9.5,7.2
1925,6,5.9,5.3,9.8,12.1,14.8,16.9,19,16.6,13.6,8.4,9
1926,7.2,9.2,9.4,10.8,11.9,15.6,18.5,19.9,19.5,15.1,8.7,5.8
1927,6.2,6.5,8.5,10.4,14.4,17.2,17.7,19.1,16.8,14.7,8.5,7.7
1928,5.1,7.5,8.8,10,11.7,16.5,20.8,19.7,18.3,13.7,8.4,5.8
1929,6.2,7.8,8.9,11.1,12.4,17.2,19.6,19.5,17.9,13.6,9.6,8.1
1930,7.7,5.4,8.8,9.5,13.3,15.1,18.2,20.3,18.2,15.7,10.8,7.9
1931,6,7,10.1,11.1,13.2,17.2,18.3,18.3,17.1,14.4,10.5,5.1
1932,6.2,5.8,9.2,9.4,13.1,15.5,17.8,19.3,17.3,12.7,10.1,7.9
1933,5.8,6.6,9,11.6,15.3,15.9,19,21.5,16.8,14,7.4,4.5
1934,4.7,5,6.8,9.5,13.4,16.8,19.2,18,17.7,13.8,7.7,8.9
1935,4.4,5.4,8.8,10.5,12,15.8,19.6,19.1,17.6,12.1,9.3,7.5
1936,9.2,9.2,8.8,11,11.4,14.5,17.7,20.1,18.3,12.5,8.3,5.3
1937,7,8.3,8.3,11.2,12.9,15.6,19.4,19.1,17.1,13.9,12,6.7
1938,5.5,6.2,9,10.8,13.2,18,18.7,18.2,16,14,11.2,6.6
1939,8,7.2,7.7,9.9,12.5,15.6,18.8,18.4,17.4,13.3,9.4,7.3
1940,6.8,9.1,10.8,11.8,13,15.7,18.3,19.6,17.5,12.6,9.2,4.6
1941,5.9,7.6,8.9,10.4,11.6,16.4,19.4,19.7,19.4,14.6,9.4,5.6
1942,5.3,4.7,10.2,10.4,13.9,16.1,18.6,19.1,17.8,15.6,10.8,7.8
1943,6.9,6.9,9,12.5,14.6,18.5,18.6,20.7,16.2,12.9,7.5,6.8
1944,5.3,4.1,7.9,12.3,14.4,16.9,18.6,19,17.7,11.3,9.1,5.2
1945,3.1,6.2,8.6,13.4,14.2,18.1,18.1,18,17.3,15.3,12.3,8.5
1946,5.6,6.9,8.4,10.7,11.9,16.6,20.1,19.5,17.1,14,10.4,5.2
1947,5.5,8.1,10,12,12.8,16.5,19.2,18.8,17.5,14.7,10,5.1
1948,7.1,7.7,10,10.8,12.7,16.6,17.9,19,17.2,13.4,10.4,8.7
1949,5.8,6.8,8.5,12,12.6,17.1,18.9,20.9,17.5,14.4,9.8,6.8
1950,5.7,6.5,8.2,9.5,12.7,16.8,19.6,18.2,16.3,13.7,10.6,5.5
1951,5.6,6,9,10.4,9.7,17.1,17.5,17.1,16.6,10.9,9.5,8.4
1952,3.4,6.3,9.5,9.5,12.5,16.1,17.4,17,14.2,13.4,9.7,6.1
1953,5.6,5.9,8.3,11.1,14.3,14.4,18.9,19.6,17.3,12.9,11.6,8.9
1954,4.4,4.9,8.2,9.2,13.5,15.6,17.9,17.8,16.7,15,12.4,7.8
1955,10.4,8.5,8.4,11.8,15.3,17.1,18,19,17.8,13.9,12.1,9.2
1956,6.9,4.1,7.6,9.5,12.1,15.9,17.3,17.6,15.3,14.8,6.8,3.7
1957,3.9,7.5,9.7,8.8,11.8,14.6,19.4,19.5,18.7,12.5,8.6,5.1
1958,5.6,9.3,7.6,9.2,14,15,18.1,18.3,17.8,13,8.6,9.5
1959,8.9,5.9,9.9,10.7,12.4,16.2,19.1,18.6,16.7,13.7,9.3,7.7
1960,6.1,8.4,9.7,10.7,14.3,18.2,18.9,17.4,17,12.3,10.4,5.7
1961,5.7,8.4,9.1,11.7,15.5,16.7,19.1,20.6,18.3,12.8,9.8,8.1
1962,7.6,5.5,9.7,11.3,12.4,16.2,18.3,19.4,18.8,15.9,7.3,6.1
1963,8.5,6.7,8.3,10,12.6,15.6,17.8,17.1,15.3,13.1,10.9,8.1
1964,6.5,7.6,9,8.8,14.3,16.2,18.3,18.4,19.2,11.5,8.2,3.8
1965,5.2,5,9.2,9.9,13.4,17.4,16.6,17.8,14.4,13.9,9.7,7.2
1966,8.2,8.3,5.5,9.8,12.9,15.5,17.6,17.6,17.2,11.9,6,4.6
1967,4.2,6.8,8.9,9.2,11.9,15.7,18.5,18.5,16.3,14.6,9.7,4
1968,3.5,7.9,8.7,10.5,12.3,16,19,18.3,17.1,14.7,10.9,7.2
1969,7.5,7.3,9.1,9.9,12.5,15.4,19.8,19,15.3,13.9,9.1,4.4
1970,8.9,6.1,6.5,9.2,11.7,14.8,18.2,17.2,17.2,11.3,9.8,3.2
1971,6.1,6.7,6.2,9.9,11.5,13.1,17.9,17.5,16.8,15,6.7,5.8
1972,5.3,7.9,8.3,10.2,12.2,15,17.6,18.3,15.3,12.9,10,6.6
1973,4.7,4.6,5.1,9.2,14,16.8,18.7,19.9,14.7,12.6,10.1,4.6
1974,7.3,6.9,7.7,8.7,12.7,15.9,19.7,19,15.6,10.5,8.7,5.6
1975,6,8,7.3,8.8,11.2,15,18.6,18.9,15.3,13.6,8.3,5.8
1976,3.1,7.5,7.2,8.6,12.5,17.3,19.2,19.1,15.7,11.7,6,9
1977,7.2,7.8,8.3,10.2,12,13.4,16.5,16.1,17.9,14.6,9.5,10.5
1978,7.2,8.4,7.8,9.7,11.4,14.3,19,18.8,19.4,13.6,9.7,10.4
1979,9,8.6,7.9,9.4,12.7,17.1,19.3,19,17.3,13.5,8.7,6.4
1980,6.1,7.8,8.8,10.8,12.9,17,18.7,19.7,19.2,13.6,9.8,4.7
1981,3.6,5.7,10.4,10.5,13.1,18.1,19.4,19,18,13.7,11.4,8.7
1982,7.7,8.3,8.9,10.7,13.8,17.7,17.5,18.4,17.4,12,9.5,5.4
1983,5.2,5.7,9.8,9.6,12,17.2,16.9,18.5,18.5,15.8,13.5,7.8
1984,6.5,5.5,7.2,11.6,10.4,15.5,18.6,18.8,17.6,12.7,11.2,8.4
1985,4.7,9.7,7.2,10.3,11.4,16.7,19.5,19.4,19.7,15,10,7.7
1986,6.1,7.5,8.3,7.8,14,16.4,19,17.8,18.7,15,9,5.6
1987,5.8,7.7,9.3,11.3,12.9,17,19,18.8,18.8,13.1,9.4,10.1
1988,8.3,7.4,8.5,11.2,12.8,15.8,19.4,19.3,17.2,14.5,11.6,5.2
1989,5.2,7.6,9.2,9.5,13.7,16.6,20.9,19.8,16.9,15.2,11.6,10.5
1990,6.2,8.4,9.6,9.9,15.1,16.7,19.9,19.5,18.7,13.6,8.2,6.4
1991,5.4,5.3,9.6,9.1,12.2,17.3,19.2,19.7,18.3,11.8,8.2,7.1
1992,4.3,5.6,8,9.8,13.7,15,19.3,18.9,15.6,11.9,8.7,7.2
1993,3.5,4.7,7.6,9.9,12.5,16.2,19.8,19,16.5,11.9,8.7,6.3
1994,5.4,6.3,8.8,9.5,14,17.2,18.9,19.3,16,14.6,10.9,7.2
1995,5.6,7.5,8.3,10.8,14.6,16.6,19.9,20,15.8,15.1,12.6,10.7
1996,10.2,6.4,9.1,11.6,13.7,17.7,19.7,18,16.4,13.5,10.1,9.4
1997,7,8.3,9.2,12.4,14.6,16.8,18.3,19.2,17.9,16,11.5,8.4
1998,7.5,9.2,9.2,10,13.6,16.9,19.7,20.1,18.4,12.3,9.9,4.7
1999,5.4,5.4,9.1,11.2,14.3,16.9,20.4,19.4,17.3,14.8,7.7,7.2
2000,3.8,6.9,8.7,10.2,13.7,17.1,18.4,18.5,17.3,12.6,9.1,8.3
2001,8.1,8.7,11,11.1,13.2,17.2,18.8,19.6,17.6,15,8.2,6.2
2002,7.5,7,9.3,11.1,13.2,17,18.5,18.2,17.4,14.9,11,10.2
2003,6.6,7.1,10.3,11.3,14.5,18.3,18.6,20.9,17.7,15,11.4,7.8
2004,7.9,8.2,9.5,10,12.7,18.3,19.9,19.6,17.2,14.4,8.5,6.2
2005,3.1,3.1,8.6,10.6,14.3,18.3,19.7,19.5,17,14.9,9.3,7.3
2006,5.2,6.4,9.4,12.3,14.8,17.5,19.5,19.9,18.4,16.1,13.2,6.8
2007,5.5,9.5,8.5,11.2,13.6,16.3,18.6,18.1,17.3,13.8,8.7,6.2
2008,6.8,9.3,8.7,11,13.6,17.1,18.6,18.2,17.5,13.7,8.3,5.9
2009,7,7.7,9.8,10.1,14,17.9,18.7,20.1,18.7,14.5,9.9,7.3
