1901,4.4,2.8,6.2,9.6,12.7,15.5,17.6,17.7,14.4,10,6.3,3.2
1902,4.8,5.5,8.2,9.3,11.3,13.1,17,16.2,14.7,11,8.3,5.1
1903,4.6,6.9,7.3,10.1,10.8,13.9,17.4,17.7,14.3,11.1,8.5,3.6
1904,4,5.2,5.8,10.3,12.7,14.9,16.6,17.4,13.8,13.3,8.1,6.8
1905,4.3,4.2,7.9,10.1,12.1,13.5,17.6,16.1,14.2,10.3,5.7,5.7
1906,5.3,3.8,7.2,8.5,11.6,15.5,17.1,17.8,16.6,11.5,7.7,4.2
1907,3.8,4.3,8.5,8.8,10.5,14,16.3,17.4,16.6,9.5,7.5,6.8
1908,5.3,5.3,5.4,7.8,13.3,14.8,17.3,17.3,14.5,12.7,9.4,5.9
1909,4.3,4.3,5.8,10.5,12.7,12.7,17.7,17.1,14.2,11.3,7.4,6.3
1910,4,6,6.5,8.3,10.5,14,16.2,16.5,16.3,11.6,7.3,5.9
1911,2.3,5.8,6.1,7.7,11.3,13.8,19.4,17.6,17.1,10.6,7.1,6.4
1912,4.9,7.6,8,10.1,13.4,13.3,14.9,15.8,15.3,10.6,7.1,4.7
1913,5.8,5.3,7,8.1,11.6,15.1,17.5,17,14.7,11.3,8.4,4.4
1914,3.6,6.3,7,10.1,12,13.8,15.6,16.5,16.5,12.1,7.2,5.4
1915,3.9,4.5,8.2,8.5,12.1,14.9,16.8,17.6,15.6,10.8,7.9,6.8
1916,4.8,4.2,5.3,8.5,11.8,13.9,16.8,17.5,16,11.8,7.5,5.7
1917,3.2,4.4,5.5,8.3,12,14.6,17.2,15.6,15.6,10,7.7,2.4
1918,6.1,6.1,6.6,7.8,12.2,16.1,17.5,18,13.9,9.1,7.8,5.5
1919,4,7.2,6.6,8.6,12.3,17.1,17.3,18.4,16,11,5.8,4.9
1920,4.9,7,7.5,9.7,12.9,14.8,15.9,16.6,16,10.7,8.1,5.8
1921,5.2,5.7,7.6,9.5,11.7,16,19.3,17.4,15.7,14.3,8.2,4.9
1922,4.4,6.2,5.9,7.8,15.1,14.9,15.6,17,14.4,11.4,8.4,4.8
1923,3.8,5.9,8.5,7,10.9,15.9,17.4,17.6,15.5,13,5.9,3.9
1924,5.5,3.5,8.3,9.5,11.8,15,16.5,16.7,13.9,11.6,7.3,6
1925,5.6,4.2,6.1,8,10,15.7,16,17.5,15,13.1,6.4,7
1926,5.8,7.9,8.5,8.9,10.5,14.4,18.7,19.3,19.3,13.1,7.3,4.6
1927,4.7,5.6,7.4,9.8,12.7,15.1,15.9,16.9,13.7,12.7,7,5.4
1928,4.2,7,7.4,8.3,10.7,15.2,19.7,17.3,16.4,11.5,7.2,4.1
1929,4.4,6,9.4,10.4,10.4,16,17.7,18.1,16.8,11.9,7.7,6.9
1930,5.2,3.4,7.9,7.1,11.4,14.1,16.7,18.1,15.6,12.3,8,6.6
1931,4.5,5.4,8.3,9.4,10.4,15.4,16.2,16.6,15.6,12.2,8.5,4.1
1932,4.4,3.6,7.7,6.9,10.6,14.1,16.2,18.3,15.4,10.3,8.2,5.9
1933,3.7,4.8,7.8,10.4,13.5,14.6,18.4,19.1,15.1,11.2,5.9,2.2
1934,3.6,4.3,5.5,7.2,12.9,15.7,19.3,16.5,15,12.8,5.1,7.4
1935,3.3,4.7,8.7,8.7,9.9,13.1,17.8,17.8,15.3,10.2,7.1,5.6
1936,6.9,6.5,6.9,8.6,10.5,13.2,15.9,18.8,15.5,10.4,6.9,3.9
1937,4.1,6.2,5.6,9.9,11.4,14.5,17.5,17.7,15,11.6,8.9,4.1
1938,4.7,5.4,10,11.1,11,15.6,15.8,16.6,13.8,11.6,9.4,4.5
1939,5.7,6.3,7.3,8.5,12.2,14.2,16.1,16.5,16.2,10,7.7,5.2
1940,4.6,6.9,9.2,9.7,11.4,15.2,16,19.5,15.6,10.2,7.1,3.8
1941,3.6,5.7,7.4,8.5,9.7,16,17.8,17.7,17.1,13.1,7.3,4.3
1942,4.8,3.9,8.5,9.5,11.9,15.8,17.8,17.2,15.8,12.6,7.3,6.4
1943,5.5,6.1,8.2,11.8,13.6,17.2,17.7,18.7,14.5,11.6,7.3,5.4
1944,4.5,4.4,7.7,11.1,13.3,16.5,17.8,18,15.8,10.3,8.2,5
1945,2.5,7.1,9.3,12,12.4,16.9,17.6,16.8,16.6,13.8,9.9,6.9
1946,4.4,6.5,7.3,9.4,10,14.7,18.6,16.6,15.6,12.8,8.7,5
1947,4.2,5,8.2,11.1,11.4,15.9,18,18.7,16.2,13.4,10.2,5.2
1948,6.5,6.6,10.8,9.2,11.2,16.6,17.4,17.6,16.7,13.1,10,7.3
1949,5.7,7.1,8,11.3,11.4,16.4,19.1,19.4,16.3,13.2,9,6.1
1950,4.8,6.6,8.5,9.6,11.7,15.8,18,16.9,15.4,11.8,9.1,4.4
1951,5.3,4.8,7.1,9.3,10,15.7,18.5,17.2,16.6,11.6,7.9,6.1
1952,4.1,5.8,9.7,9.7,12.9,16.7,17.7,17.8,14.1,12.6,8.4,5.7
1953,4.1,4.8,7.9,9.1,13.4,14.8,17.5,18.9,16.5,11.6,9.1,7.9
1954,3.6,4.5,7.3,8.9,12,14.3,17.3,17.2,15.7,13.8,9.5,5.5
1955,7.2,5.7,7,11.4,13.3,15.8,18,18.8,17,12.5,8,7.4
1956,6,3.9,7,8.9,12.4,15.3,17.6,16.7,15,12.4,6.5,4.3
1957,3.9,7.2,10,9.2,11.5,15.5,18.7,18.2,16.6,11.9,7.4,4.3
1958,5.6,7.3,8,9.3,12.7,14.9,17.2,17.1,16.5,12.4,7.9,6.1
1959,6.6,5.4,8.1,9.7,12.2,16,18.3,18.6,16.4,12.6,7.8,6.1
1960,5.3,6.3,8.9,10,12.7,16.9,17.6,17.3,15.6,10.8,8.3,4.8
1961,4.4,8.9,10.9,10.3,14.3,16,18,19.1,16.5,12,7.6,7.5
1962,5.3,5.5,7.2,9.7,12.6,16.7,17.4,18.3,17.2,13.8,6.3,4.5
1963,4.5,4,7.5,9.2,12.1,14.8,18.4,16.3,15.1,14.2,8.4,4.2
1964,5.6,6.6,7.1,8.8,14.5,16.1,18.2,18.8,17.6,11.8,8.2,4.1
1965,4.6,4.5,8.5,9.5,13.8,16.3,16.4,17.9,14,13,7.1,6.2
1966,7.5,7.6,8.2,9.8,13,15.1,17.6,17.8,17.2,11.3,5.8,5.8
1967,5,6.3,9.3,9.3,10.4,15.9,18,17.6,15.6,13.1,7.7,4.6
1968,5.7,5.8,7.2,8.4,11.6,16.1,18.1,18,15,14.7,9.4,6
1969,6,4.2,7.3,9,11.2,14.5,19.2,18.2,14.1,13.8,6.8,4.2
1970,5.8,5.6,5.9,8.8,12.4,15,18.4,17.2,17.7,12.2,10.2,3.4
1971,4.8,6.6,5.6,9.2,10.6,13.7,18.4,16.6,16.4,14.8,7.4,5.8
1972,3.5,5,6.6,9,10.3,13.1,17.7,17.3,14.5,11.1,8.5,5.6
1973,4.7,5.2,7.5,9.7,11.9,15.8,17.1,18.8,15.8,12.5,9,4.5
1974,6.2,5.4,7.3,8.3,11.6,15.2,18.1,17.1,14.2,9.4,7.9,6.8
1975,6.1,6.9,5.8,9,11.2,15.5,18.4,18.3,14.8,13.1,8,4
1976,4,6.4,7.6,8.3,12.3,17.5,19.4,18.4,14.8,10.9,6.8,6
1977,4.6,6.9,8.7,10.5,12,14.5,16.2,16.5,16.7,12.4,7.8,8
1978,4.9,6.8,7.7,8.1,11.1,14.1,17.1,17.9,17.6,13,9,7.2
1979,5.5,6.6,6.4,8.5,11.7,15.7,19,17.8,15.9,11.3,7.9,6.7
1980,5.2,6.7,7.4,9.9,11.3,14.8,16.9,18.3,16.8,12.3,7.7,4.6
1981,5.8,5.5,9.4,9.1,11.1,17.3,18.1,18.5,16.2,12.3,11.3,6.7
1982,6.8,6.9,8.1,10.8,12.1,15.5,17.3,18.2,16.4,11.5,8.2,5.4
1983,6.2,4.8,9.2,8.3,10.1,16.5,17.5,17.7,17.5,13.1,10.9,6.9
1984,5.1,5.4,6.1,12.1,9.2,15.4,18,18,15.9,12.2,8.1,6.3
1985,3.7,7.7,6.8,10.4,11,15.6,18.5,17.6,18.9,14.1,7.7,6.4
1986,4.8,5.3,7.2,6.4,12.5,15.4,18.8,17.1,16.7,13.2,8.3,6.3
1987,5,6.1,9.1,10.7,13,15.4,18.5,19.3,18.5,10.8,8.8,7.9
1988,6.1,6.4,8.6,9.6,11.7,14.9,17.2,18.1,17.2,12.9,10,6.3
1989,5.8,7.5,9.3,8.1,14.7,16.9,20.4,19.4,16.2,14.5,9.3,8.4
1990,5.2,9.1,10,9,14.5,16.2,20,19.5,17.5,12.1,7.8,5
1991,5,4.9,8.2,9.1,13.7,15.7,19,19.7,17.2,11,8.2,6.6
1992,4.4,6.5,8.7,10.1,14.4,14.5,19,18.7,15.2,10.2,9.7,7.8
1993,6.6,6.7,8.4,9.1,11.6,16.3,19.5,18.6,15.3,10.2,7.4,6.7
1994,5.4,5.7,9.8,8.8,11.7,16.6,17.9,18,14.9,13.2,10.3,7.3
1995,6.1,7.2,8.9,10.9,13.9,16.3,18.9,19.4,14.5,14.5,10.3,7.6
1996,6,5,8.4,10.4,11.9,17.6,18.8,17.7,15.4,12.5,8.3,6.1
1997,4.5,7.6,12.3,12.6,13.2,15.2,18.2,18.6,17.2,14.8,9.6,7.1
1998,7,8.5,10.4,8.8,12.6,16.3,18.3,19.3,16.5,12.5,9.1,5.5
1999,5.8,6,8.7,10.4,13.2,16.2,19.4,18.9,16.3,12.5,8.5,6.5
2000,4.1,8.1,9.2,8.4,13.2,17.5,17.9,18.4,16.5,11.9,8.1,7.8
2001,6.6,7.4,9.7,10.1,12.7,17,17.8,18.3,16.1,13.6,7,4.1
2002,6.8,7.1,8.8,9.2,11.1,14.4,16.6,17.1,15.7,13.1,8.3,7.7
2003,5.4,6,9.8,10.7,13.6,17.8,18.4,20.3,17.6,11.5,9.2,6.3
2004,7.1,6.5,7.8,9.7,12.7,18.6,19,18.6,16.9,12.3,7.5,5.8
2005,5.3,4.4,8.8,10.4,13.5,18.5,19.1,19.4,16.6,13.5,8.2,5.8
2006,4.6,5.1,9.1,11.2,14.2,17.5,20.3,19.4,17.7,14.2,10.9,6.8
2007,6.1,7.9,8.8,10.8,12.7,15.9,18.1,18,16.6,12.9,8.5,6
2008,7.4,9,8.3,10.7,12.3,16.9,18.3,18.4,15.9,12.1,7.3,5.8
2009,5.3,6.4,9.8,9.2,13.4,17.4,18,19.1,18,15.2,9.9,5.9
