1901,3.8,5.1,7.8,11.7,14.4,17.5,17.6,17,15.5,12.9,8,5.4
1902,4.9,5.2,8.5,10,14.3,16.2,17,16.5,15.3,11.7,8,5.2
1903,3.6,5,7.4,11.4,13.9,16.6,17.7,16.3,16,13.5,8.7,5.7
1904,4.1,5.4,7.9,10.4,13.7,17.2,17.3,16.8,15.9,12.9,7.8,5
1905,3.6,3.6,6.3,9.6,14.2,17.5,17.4,15.8,16.2,12.7,8.6,5.4
1906,4.2,4.7,6.9,10.4,14.2,17.1,17.9,15.7,16.7,12.7,8.8,5.7
1907,4.9,5.1,6.6,10.2,14.1,16.5,16.7,17.3,15.1,13.1,8.7,5.6
1908,4.3,5.7,8.4,12.6,14.3,17.5,17.3,17,15.6,12.8,8.1,5.3
1909,4,5.2,9.2,11,13.6,16.7,17.6,16.4,16.7,13.6,9.7,6.2
1910,4.5,5.5,7.7,11.1,14.6,16.5,16.4,16.6,16.2,12.4,8.8,5.9
1911,5.4,4.9,7.4,11.2,13.8,17.1,16.8,16.5,15.6,12.2,8.1,5.1
1912,4.7,5.5,7,9.7,14.4,17,16.7,16.5,15.7,12.3,8.5,5.8
1913,4.4,5.4,6.7,10.3,13.1,16.7,17.3,16.8,15.6,12.6,7.6,5.2
1914,4.4,5.1,7.7,10.1,14.4,17.6,17.8,15.9,15.4,11.6,8.4,6.2
1915,5.5,5.9,7.8,11.5,13.9,16.3,16.7,16.3,15.4,14.5,10,6.4
1916,4.5,5.5,8.7,10.8,14.1,17.6,16.3,16.6,16,12.1,9.1,5.4
1917,3.9,5,7.4,10.5,15.1,16.9,17.2,17,15.6,12.8,9.1,6.1
1918,4,5.2,7.6,11,15.4,16,16.7,16.2,15.9,12.9,8.6,5.6
1919,4.9,5.3,9.4,11.2,14.7,17.3,17.2,18.1,15,12.3,9.2,6.3
1920,5.3,4.9,6.7,10.5,13.8,16.9,17.9,16.6,15.5,13,9.2,7.3
1921,5.3,5.3,8.2,11,14.2,16,16.9,16.6,15.6,11.7,8.6,6.1
1922,5,6.3,8.5,12.2,14.9,16.6,16.9,16.4,16,12.7,8.8,5.9
1923,5.4,4.9,9.3,11.6,13.5,16.8,17.1,17.7,15.4,12.5,9.1,6.3
1924,5,5.7,10,11.9,13.7,17.1,16.6,15.9,15.1,13.6,8.8,6.6
1925,4,4.9,8.1,11.1,12.1,17.2,17,15.9,14.2,12.2,8.8,5
1926,4.8,6,7,10.9,14.2,16.4,16.4,16.5,16.1,13.1,8.4,6.2
1927,4.4,4.3,6,10.2,13.9,16.2,17.8,16.5,14.7,12.9,8.8,6.3
1928,4.9,6.8,8.8,12.8,14.2,16.8,17.6,16.1,15.6,11.7,7.8,5.7
1929,3.9,5.4,9.1,11.4,12.8,16.1,17.5,16.6,15.4,12.2,8.5,4.8
1930,3.8,5.6,7.8,10.7,14.8,15.8,18.4,16.5,15.3,11.5,7.9,5.8
1931,5.2,5.6,8.5,11.3,13.7,16.7,16.9,17.5,15.3,13.8,8.6,6
1932,5,4.3,8.7,12.6,13.2,16.6,17.7,16.1,15.5,13,9.4,6.4
1933,4.3,6,9.3,11.3,13.6,17.1,17.6,16.9,16.4,13.1,8.4,6.2
1934,4.7,6.1,8.3,11.1,13.5,15.5,17.6,17.1,16.3,12,7.6,5.9
1935,5.2,5.9,9.3,11.7,15.3,17.1,18,16.7,16.3,14.1,10,5.8
1936,4.3,3.4,8.5,11.6,15.4,17.3,18.1,16.8,16.7,11.6,10.2,5.6
1937,4.6,4.9,8.5,12.6,14.5,18.3,18.9,16.3,16.7,13.4,8.4,6.9
1938,5.4,5.4,8.3,12.7,15.2,17.6,17.2,17.4,16.9,13.4,7.9,6.1
1939,5.3,6.3,8.6,12.3,14.9,17.2,17.5,17.6,15.9,13.2,8.9,6.6
1940,5.1,6,6.5,11.3,14.6,18,18.3,17.9,16.6,14.1,8.6,6.6
1941,4.1,6.1,9.5,11.9,14.5,17,18.6,17.3,16.8,13,8.9,7.6
1942,5.5,7.3,8.6,12,14.5,17.6,19.1,18.2,16.4,14.5,10.4,7.3
1943,4.9,6.1,6.6,9.8,14.6,17.7,18,17.5,17.1,13.7,12.6,6.9
1944,3.1,4.8,8.7,10.6,14.6,18.7,18.9,18.8,16,14.2,9.8,9.1
1945,5.2,3.9,9.1,12.6,13.7,18.1,18,17.4,16.9,11.9,9.2,5.5
1946,7.2,7.3,8.2,12,14.7,18,18.1,19,17.7,12.4,11,7.6
1947,4.8,6.2,8.8,11.8,14,18.4,19.4,17.8,18.7,13,9.8,8.6
1948,3.8,4.3,6.9,12.6,13,17.8,17.6,17.8,17.1,11.9,10,5.5
1949,5.2,6.1,8,9.5,14.4,17.6,17.4,17.1,16.1,13.4,8.4,4.8
1950,5.2,5.5,7.8,11.6,14.8,16.6,17.9,16.4,16.1,12.5,8.4,6.3
1951,5,6.4,9.1,10.2,14,17,16.3,17.4,15.1,12.8,10.1,6.6
1952,6.6,7.6,7.7,13,14.8,18.1,18.1,17.2,15.9,14.8,11.5,6.7
1953,4.3,6.9,10.2,13,15.4,18.1,17,18.8,16.6,13.9,9.9,7.9
1954,5.8,7.9,10.4,12.4,14.8,17.1,16.5,16,16.8,12.8,9.7,5.9
1955,5,6.5,8.9,11,15.1,15.8,16.5,16.6,16.6,13.9,10.2,6.6
1956,4.9,6.9,8.1,12.8,15.5,17.3,18,17.1,17.1,13.4,9.5,5.6
1957,5.4,4.3,8.7,11,13.4,17.2,17.8,17.4,16.7,11.5,10,7.1
1958,5.6,4.6,9.3,13,13.3,18.7,19,15.9,17.2,14,12.1,7.8
1959,5.5,3.8,8.5,12.3,13.1,16.1,18.1,18.1,14.9,12.4,9.8,8.5
1960,4.2,7.2,8.6,12.5,15.8,16.9,16.5,16.4,14.3,11.9,7.9,6.5
1961,5.4,5.2,7.1,12.1,13.4,18.3,18.5,17.6,16.2,13.7,6.6,3.1
1962,3.9,4.4,7.2,11.3,13.1,16.6,18.1,15.1,15.4,12.9,10.1,6.2
1963,4.6,5.4,7.6,10.3,13.8,16.3,16.8,15.9,16.8,12.1,6.9,5.5
1964,4.6,5.1,8.2,11.3,13.9,17,16.8,17,15.7,15.1,9.6,6.2
1965,4.3,3.7,6.2,11.5,14.3,17,16.9,15.2,15.4,11.8,6.4,6.7
1966,4.9,7.8,9.9,11,15.6,15.8,18.4,16.5,14.8,11,10.4,6.5
1967,5,5.6,6.6,10.4,14.3,16.3,17.8,18.7,16.3,11.8,5.1,5.5
1968,3.1,3.4,7.8,10.8,14.5,16.4,16.2,17.7,16.8,11,8.8,6.2
1969,3.9,6.2,8.8,11.8,15.7,16.8,17.4,16.6,15.4,11.8,9.8,6.7
1970,3.6,4.5,8,11.6,14.5,17,17.1,17.1,16.5,12.8,7.9,6.9
1971,4.2,5.1,8.6,11.8,13.5,17.1,17.7,17.2,17.2,13.1,7.3,5.9
1972,6.1,6.2,8.9,10.6,15,17.8,19,17.9,15.4,13,8.4,6.9
1973,5.3,5.5,8.5,12.7,15,16.8,18.9,17.6,16.9,12.9,8.4,5.1
1974,4.4,7,8.1,12.2,14.7,17.3,16.1,16.3,14.8,14.8,9.8,4.3
1975,3.8,5.3,8.5,11.6,13.7,18,17.1,17.3,15.4,14.9,9.6,6
1976,4,5.8,8.2,11.5,14.2,16.3,17.8,16.8,16.2,12.5,10.6,6.6
1977,5.1,7.3,9.4,10.3,12.9,16,18.2,17.2,16.2,11.1,7.3,4.1
1978,2.7,4.7,7.1,11.3,14.8,17.1,17.3,17.2,15.2,12.9,7.8,7.1
1979,5.4,5.2,7.5,12.9,16.7,18.1,17,16.9,14.9,12,10.3,5.2
1980,3.5,5.6,7.7,12.2,13.9,17.8,17.8,16.4,15.9,11.2,9.8,7.9
1981,3.4,7.2,7.2,10.6,14.2,17.9,17.4,17.3,16.5,14.6,8.3,2.7
1982,5.6,4.2,7.6,10.8,14.4,16.7,18,18.5,16.5,12.3,7.5,4.9
1983,2,2.2,6.9,9.2,13.8,18.1,19.3,18.4,16.2,13.5,8.4,5.7
1984,4.1,6.3,9.5,11.6,13.9,18.1,16.6,17.6,14.9,14.7,8.4,7.1
1985,3.5,5.3,9.7,12.1,14.6,17.3,15.4,18.3,15.9,13.1,7.5,6.8
1986,5.4,5.4,7.2,9.7,14.2,18.6,17.7,17.3,14.6,10.9,8.9,4.7
1987,5.1,6,8,10.9,14.8,18.3,17,15.2,15,12.5,10.9,7.4
1988,5.7,7.5,8.8,11.5,14.9,17.8,17.8,16.7,15.5,13.8,8.3,6.3
1989,4,4.8,9,10.9,15.9,17.8,17.3,17,16.2,13,7.6,4.2
1990,7,4.6,6.4,9.9,14.6,17.3,17.2,17.3,15.3,11.5,9.7,6.8
1991,1.8,6.2,8.7,10.9,14,16,16.9,15.1,14.8,11.9,7.5,3.8
1992,3.6,2.6,8.5,11.4,12.9,16.6,16.4,16.2,16.7,11.7,7.8,3.2
1993,3.4,5.9,7.2,10.9,14,16.1,17.9,15.4,14.3,13.1,8.2,6.6
1994,6,4.2,7.2,10.5,14.5,17.8,18.2,16.8,17.4,12.1,7.2,4.6
1995,2.4,4.3,8.8,11,16,17.2,16.2,16.5,14.9,13.2,8.5,5.1
1996,6.1,6.3,8.7,12.4,14.4,17.1,16.9,17.3,15.8,14,8.1,8.1
1997,4,4.5,7.5,8.6,14.1,16.1,18.1,18.3,14.8,12.1,8.5,5.5
1998,5.1,5.9,5.6,12.3,17,17.3,17.1,15.5,17.3,14.5,10.3,7.8
1999,6.3,9.4,11,14.2,15,17.9,17.4,15.8,16.4,13.3,10.7,7
2000,5,4.8,7.7,11.1,15.1,17.6,17,15.5,15.1,13.7,9.6,7.6
2001,6.3,7.4,8.7,11.5,14,16.8,18.8,16.7,16.6,12.8,10.9,7.6
2002,5.2,8.6,8.7,11,14.4,17.7,16.8,17.1,16.2,12.7,9.9,7.2
2003,6.4,6,7.8,11.9,13.6,16.1,17.3,17.9,16.3,14.1,10.9,6.9
2004,5.7,6.7,11.3,10.6,15.1,16.6,15.8,17.6,16.7,11.9,8.5,8.1
2005,4.6,5.8,7.7,11,13.2,17.6,18.6,17.2,18.2,13.1,9.9,7.5
2006,7.4,8.2,8.8,10,14.3,17.3,19.3,19.3,17,13,8.7,7.9
2007,6.9,5,10,11.7,16.1,17.4,18.6,18.1,15.8,15,9.5,7.9
2008,5.4,4.7,8.4,11.9,14.6,16.6,18.1,16.5,17.3,13.3,9.4,8
2009,6.3,7.8,9,13.8,16.2,19.4,18.6,18.1,18.1,15.9,11,7.1
