1901,6.7,4.5,7.4,10,11.9,17.1,17.8,19.6,16.6,11.8,8.9,5.7
1902,6.1,7.7,8.5,10.7,11.1,14.8,18,19.6,16.6,11.6,10,7.1
1903,6.7,6.6,8.1,9.8,11.5,15.2,18.3,19.6,16.5,13.6,9.8,5.8
1904,5.6,6.8,6.8,9.8,13.5,16,18.6,19.2,16.7,13.9,9.9,8.6
1905,5.5,5,9.1,10.9,11.9,15.3,18.2,19.6,16.3,12,8.8,6.7
1906,6.4,5.2,7.4,8.8,11.8,16.8,18.2,20.1,17.4,13.5,9.1,5.5
1907,5,4.4,7.2,9.7,11.3,16,16.8,19.3,17.6,11.9,9.7,8.7
1908,7.1,5.5,6.4,8.2,12.5,14.2,17.4,19.1,17.7,13.6,10.8,8
1909,5.1,4.8,7.8,9.9,12.3,13.9,17.1,19.3,15.2,13.4,10.1,8.7
1910,6.1,7.6,6.4,9.5,10.9,15.7,17.4,18.3,16.2,13.5,9.7,8
1911,3.7,6.4,7.1,8.4,11.4,14.6,17.9,19.7,18.4,12.8,9.4,8.3
1912,7.1,9.1,9.3,9.1,13.1,15.7,16.3,17,15.5,12.1,8.6,6.1
1913,8.1,6.6,7.8,8.9,12.3,16.4,17.4,17.9,15.6,12.8,10.4,6.6
1914,4.9,7.3,8.4,9.8,12.2,13.9,16.9,18.6,17.6,12.8,9.1,7.2
1915,5.4,6.2,8.1,7.9,12.8,15.6,19,20,16.5,11.6,9.7,7.8
1916,5.7,5.9,7,8.9,12.5,15.3,17.5,18.8,16.1,13.3,9.3,7.9
1917,5.6,6.4,6.5,8.1,12.4,15.4,18.9,18.6,17.7,12,8.1,4.1
1918,7.5,6.1,6.8,8.1,11.8,15.2,18,19,17.2,10.5,9.1,6.5
1919,5,8.3,8,8.6,11.6,15.9,17.1,20.1,17,11.3,8.5,5.1
1920,6,7.2,7.5,10.5,13.1,16.3,17.5,19.1,17.4,12.4,9.2,6.5
1921,5.9,6.5,7.3,8.5,11.5,14.9,18.5,18.7,17.4,14.8,8.8,5.1
1922,5.8,6.1,6.9,9.6,12.7,15,18.3,18.7,15.6,13.2,9.2,5.4
1923,3.5,6.9,8,7.9,12.3,13.8,18.8,20.1,15.9,14.5,8.2,4.2
1924,6,4.3,8.3,9.4,14.3,16.6,18.4,18.3,16.7,13.2,9.1,6.3
1925,5,5.1,4.6,8.9,11.1,13.9,16.2,18.9,15.9,12.1,7.8,8.4
1926,6.7,8.5,8.5,10,11,15,18,19.4,18.6,14.3,7.8,5.4
1927,5.5,5.5,7.3,9.5,13.5,16.1,17.1,19.3,16.5,13.4,7.9,6.8
1928,4.7,6.5,8,8.9,10.4,15.7,19.7,19.1,17.5,12.8,7.6,5.3
1929,5.4,7.1,7.7,10,11.4,16.1,18.7,19.1,17.3,12.5,8.8,7.7
1930,7.5,4.6,8,8.5,12.4,14.3,17.4,20,17.5,14.9,10.1,7.7
1931,5.8,6,9.2,10.3,12.3,16.7,18,18.2,16.4,13.7,10.1,4.9
1932,5.8,5.3,8.5,8.6,12.1,14.8,17,19.1,16.9,11.9,9.4,7.6
1933,5.5,6,8.1,10.7,14.2,15.1,18.4,21.2,16.8,13.6,7,4.4
1934,4.4,4.5,5.9,8.6,12.3,16.2,18.6,18,17.5,12.8,7.5,8.5
1935,4,4.6,7.9,9.5,11.2,15.5,19.2,19.2,17.5,11.5,8.6,7.3
1936,8.4,8.6,7.9,10,10.4,14,17.4,19.7,18,11.6,7.8,5
1937,7,7.8,7.6,10.4,11.8,15.1,18.8,19.1,16.6,13.3,11.4,6.5
1938,5.2,5.2,7.7,9.7,11.8,17.7,18.3,18.1,15.3,13.4,10.5,6.5
1939,7.6,6.3,6.7,8.8,11.1,14.8,18.3,18.3,16.9,12.5,8.9,6.9
1940,6.6,8.5,9.7,10.6,12,14.8,17.8,19.4,17,12,8.6,4.5
1941,5.5,7.1,8.1,9.7,10.9,15.2,18.2,19.6,18.4,13.6,9,5.6
1942,5.2,4,9.2,9.7,13.4,15.4,18,19.1,17.3,15,10.4,7.7
1943,7,6,8.3,11.3,13.3,17.5,17.7,19.6,15.4,11.7,7.1,7
1944,4.4,3.3,7,10.8,13.3,15.8,18.1,18.7,16.9,10.3,8.2,4.9
1945,3,5.6,7.9,12.7,13.7,17.3,17.3,17.9,17.4,14.4,11.9,8.5
1946,5.7,6.1,7.5,9.4,10.6,15.8,19.8,19.9,16.7,13.4,9.3,5.4
1947,4.9,7,8.6,10.8,11,15.8,18.6,18.7,17,13.1,9.4,4.8
1948,5.1,7.2,9.3,10.2,11.4,15.9,17.4,19,16.4,12.9,9.2,7.9
1949,5.4,5.8,8.1,10.9,11.3,16.3,17.8,20.6,17.1,13.7,9.7,6.8
1950,5.6,5.7,7,8.4,11.4,15.6,18.7,18.4,16.2,13.7,10.4,6
1951,5.7,5.9,8.4,10.6,10,16.8,18.1,17.6,16.3,10.9,8.6,7.9
1952,3.9,6.2,8.4,8.8,12.1,15.8,17.5,17.4,14.4,12.9,9.3,6.2
1953,5.2,6.1,8.3,10.7,13.5,14,18.8,19.5,17,12.9,11.2,8.9
1954,5,4.7,7.8,8.9,12.6,15.2,17.8,17.6,16.7,14.1,11.4,7.7
1955,9.4,8,7.5,11.3,15,16.3,17.8,19,17.9,13.3,11.6,8.9
1956,6,3.2,7.2,8.9,10.9,15.2,16.5,17.5,14.9,13.9,7.3,4.4
1957,4.1,6.6,8.7,9.1,11.4,14,18.8,19.3,18.5,12.7,8.3,5.5
1958,5.5,8.6,7.2,8.7,12.7,14.7,17.2,18.3,17.6,12.7,9.3,8.5
1959,8.1,6.8,9,9.8,12.2,15.6,18.9,18.2,16.7,13.9,9.2,6.8
1960,5.4,7.6,8.7,9.7,12.7,17.6,18.4,17.7,16.3,11.1,9.4,5.3
1961,5.3,7.2,8.2,10.3,13.6,15.7,18.6,20.1,18.1,12.3,9.2,8
1962,7,5.8,8.4,10.6,11.9,15.9,18.5,19.4,18.5,15.2,7.5,6.6
1963,7.6,6.1,7.5,9.5,12.6,15.3,18.8,17.8,15.7,13.6,9.9,7.7
1964,7.7,7.2,8.6,8.4,14.2,15.9,18.7,19.3,19.4,12.1,8.8,5.2
1965,5.6,6.3,8.6,9.8,12.8,16.7,16.8,18.1,14.2,13.4,9.3,6.9
1966,7,7,5.8,8.8,13,15.5,17.7,18.2,17.6,11.3,6.2,5.4
1967,5.2,7.1,8.3,8.6,11.5,15.3,18.1,18.4,15.3,13.3,9.6,4.8
1968,5.1,7.2,7.9,9.7,11.3,15.5,18.6,17.9,15.8,13.6,9.9,6.8
1969,7.5,7,8.3,9.1,11.8,14.4,18.9,18.6,14.7,13.4,9.3,5.2
1970,7.4,5.9,6.5,9,10.9,14.2,18,18.4,17.2,12.1,9.9,3.9
1971,5.5,6.5,6.4,9.2,10.3,12.9,17.8,18.2,16.9,14.8,6.7,6.2
1972,5,6.2,7.2,8.8,10.2,13.7,16.5,17.9,14.8,12.2,9.2,6.4
1973,4.3,4.8,5.9,8.1,12.2,15.8,17.4,19.4,15.8,11.6,9.7,4.3
1974,5.7,6,7.1,7.5,11.5,15.4,18.6,18.6,15.5,10.1,7.9,6
1975,6,7.3,6.4,8.4,10.4,14,17.5,19.4,14.6,12.2,7.5,6
1976,4,7.3,7,7.8,12,16.6,18.5,18.9,14.9,10.8,5.8,7.1
1977,6.4,6.5,7.5,9.2,10.8,12.8,15.7,15.9,16.6,13.2,9.9,8.9
1978,6.5,6.6,7.1,8.3,10.2,13.4,17.3,18.3,17.1,12.2,9.4,8.1
1979,8.6,7,6.5,8.4,11.6,16.1,18.6,19.2,16.3,12.2,8,5.9
1980,5,7.2,7.4,9.9,11.2,15.9,17.6,19.5,18.9,12,8.9,4.8
1981,3.7,5.1,8.4,9.3,11.5,16.2,17.5,18.1,16.2,12.7,10.8,7.8
1982,6.8,7.5,8,10,13,16.6,17.3,18.1,17.3,11,8.8,5.2
1983,5,5.3,8.6,8.9,10.6,16.8,16.6,17.9,17.6,15.1,12.1,6.6
1984,5.8,5.1,6.5,11.1,9.5,14.1,18.1,18.7,16.5,11.5,9.7,7.1
1985,4.3,7.9,6.2,9.4,10.9,16.2,18.6,18.6,18.9,14.2,9.3,6.4
1986,5.2,6,7.2,7.5,13.6,16.3,18.6,18.1,17.8,14.3,9.3,5.8
1987,5.7,6.4,9.1,10.5,12.3,16.2,18.3,18.4,17.9,12.6,8.8,8.9
1988,7.1,6.6,7.9,10.2,11.9,15.1,18.6,20,16.8,13.7,10.9,5.9
1989,5.9,6.6,8.1,8.6,12.8,16.2,20,19.9,17.1,14.7,10.8,9.5
1990,6,8.4,9.9,9.6,14,16,19.5,20.2,19.4,13,8,6.3
1991,5.4,4.9,8.2,8.9,11.5,16.7,19,19.4,18.2,11.7,7.8,7.4
1992,5.3,5.6,7.7,9.3,12.6,13.9,18.7,18.8,16.4,11.2,8.3,7.4
1993,4.5,6.6,7.5,8.9,11.8,15.3,18.8,19.8,14.9,11.2,9.5,5.7
1994,5.5,5.8,8.8,9.2,12.6,16.5,19.7,19.7,15.6,14,10.4,7
1995,5.7,7.3,8.5,9.6,13.7,16.4,18.3,19.7,14.9,14.8,11.3,9
1996,8.3,6,8.3,10.4,12.1,16.9,18.4,18.5,15.5,12.1,9.1,7.9
1997,7,8.1,9.5,12,13.3,15.9,17,18.6,18,15.7,10.2,7.6
1998,6.6,8.8,8.3,9.1,12.1,16.5,18.5,19.5,16.9,11,9.6,5.1
1999,5.1,5.6,8,9.9,13,16.8,19.2,18.8,16.7,13.8,8,7.1
2000,5,7,8.2,9.3,13.1,17.6,17.9,18.3,16.6,11.5,8,7
2001,6.6,6.8,9.7,10.3,12,16.5,18.2,20,17.3,14.2,8.6,7.2
2002,7.6,7,8.5,9.9,11.9,16.1,18.6,18.6,15.9,13.3,9.6,8.2
2003,5.2,6.3,9.3,10.3,13.4,17.5,18.2,19.8,17.5,14.1,9.6,6.6
2004,6.7,7,8.1,8.4,11.9,16.7,19.5,19,16.9,13,7.6,6.1
2005,2.8,3.4,7.2,9.8,13,16.2,19.5,17.8,16.1,13.3,7.6,6.3
2006,4.4,5.4,8.1,10.5,12.9,16.2,18.8,18.6,16.9,14,10.7,6
2007,4.3,8.4,7.5,9.5,12.2,14.5,18.2,18.5,16.9,13.1,8.2,6.5
2008,6.1,7.9,7.5,9.1,11.4,15.1,19,19.5,16.5,12.7,6.9,5.5
2009,5.4,5.1,8,8.5,12.7,16.4,18.9,19.6,16.2,13.7,9.3,6.8
