1901,5.2,3.4,4.3,7.6,10.8,11.7,15.6,13.8,12.8,9,7,4.1
1902,4.9,2.6,6.6,7.2,8.1,11.5,12.4,12.7,12.5,9.4,8.3,5.9
1903,4.5,7.2,5.8,6.3,9.7,11.4,13,12.5,11.9,9.5,7,4.3
1904,5.3,3.5,4.6,7.7,9.5,12.3,14,13.2,11.7,9.8,6.7,5.5
1905,6,5.2,6.1,6.3,10.3,13.4,14.7,12.9,11.4,7.8,5.7,7
1906,5.7,3.2,4.9,6.6,8.7,12.8,13.2,14.8,12.8,9.6,8.1,4.7
1907,5.4,3.9,6.7,7.1,9.2,10.3,13.1,12.1,12.7,9.4,6.8,5.3
1908,4.8,6.1,4.6,5.8,11,12.6,13.8,13,11.9,12.2,8.5,6.2
1909,5.7,5.5,3.5,7.8,9.8,11,12.9,14,11.2,9.3,5.4,3.9
1910,4.3,4.8,6.4,6.5,10.3,12.6,13,14,12.2,10.3,4.7,6.8
1911,5.8,5.3,5.2,7.3,11.5,12.2,14.9,15.3,12.2,8.9,6.1,6.3
1912,4.5,5,7,8.5,10.1,11.8,12.9,10.9,10.5,8.5,6.8,6.4
1913,5.2,5.7,5.1,7.1,9.6,11.9,13.2,13.7,12.4,10.5,8.4,5.6
1914,5.3,6.7,5.2,9,9.6,12.6,14,14.6,12.4,10.3,6.9,3.6
1915,4.3,4,5.3,7.8,9,12.3,12.7,13.7,12.4,9.1,4.3,4.5
1916,7.8,3.9,3.3,7.5,9.5,10.4,13.7,14.9,12.6,9.9,7.8,3.9
1917,3.1,3.5,4.2,5,10.7,11.9,14.3,14.5,12.6,7,8.6,4.4
1918,4.2,7.2,6.1,6.8,11.3,12,13.5,14.6,9.7,8.8,6.7,6.9
1919,4.3,3.3,3,7.4,11.8,11.7,12.9,14,11.6,8.9,3.8,5.5
1920,5.2,6.5,6.1,6.9,10.2,12.5,12.3,12.5,12,10.7,8.9,5
1921,7.2,6.3,6.3,7.9,9.6,12.8,15.4,12.8,12.7,12.1,7.2,7.8
1922,5.1,5.8,5.3,4.8,10.8,11.4,11.6,12,11,8.6,7.6,6.2
1923,7.1,6.2,6.6,6.6,7.7,11.2,14.5,13,11,9.3,4.2,5.3
1924,6,5.1,4.2,6.3,9.6,11.9,13,13,11.4,9.4,8.4,7.8
1925,6.3,4.5,5.3,6.5,9.6,13,14.6,13.9,10.8,10.3,5.3,3.9
1926,6,6.5,6,9,9,11.9,14.8,14.4,12.6,7.8,6.2,5.7
1927,5.4,5.9,6.8,7,9.4,9.7,14.1,14.2,10.9,10,6.7,3.6
1928,5.6,6,5.4,7.4,10.2,10.5,13.2,13.4,11.3,10,7.6,5.3
1929,3.4,3.7,7.1,6.3,10.2,11.4,13.7,13.3,13.3,8.9,7.2,5.9
1930,5,2.4,4.6,7.8,10.1,13,13.5,13.8,12.3,9.8,6.2,5.9
1931,4.4,4.5,4.2,6.9,9.9,11.4,13.1,13,11,9,8.1,7.1
1932,7.1,5.2,5.3,6.3,9.5,13,14,14.2,11.6,8.4,7.2,6.3
1933,3.8,4.6,6.6,8.4,10.4,13.5,15.3,14.7,13.5,10.1,6.3,4.7
1934,5.9,6.3,4.8,6.7,9.4,12.9,15.5,13.6,12.7,9.5,6.7,7.9
1935,5.8,5.6,6.7,7.4,9.8,12.5,14.2,14.5,12.4,9.1,6.7,4
1936,3.9,3.9,6.3,6.3,10.4,12.7,13.9,14.4,13.2,9.8,6.7,6.3
1937,5.5,4.5,3.2,8.3,10.5,12.2,13.6,14.4,12.1,9.6,6.9,4.2
1938,5.8,5.6,8.3,7.8,9.5,11.7,12.7,14,12.7,10,8.7,5.2
1939,4,6.1,6.1,7.8,10.3,12.8,13.5,14.6,12.9,8.5,8.1,5.2
1940,1.8,3.8,5.3,7.8,11.3,14.4,13.2,13.9,11.3,9.5,7.2,5.3
1941,1.8,3.5,4.7,6.1,9,13,14.1,13.3,13.9,10.7,7.1,6.9
1942,3.9,3.1,4.8,8.4,9.7,11.8,13.3,14.2,11.9,9.5,6.6,7.3
1943,5.4,6.7,6.9,9,9.9,12.3,13.9,13.4,11.8,10.5,7.2,5.8
1944,6.7,4.8,5.7,9,9.8,11.7,14.4,14.7,11.3,8.9,6.1,5.6
1945,1.8,6.8,8.1,8.5,10,12.2,14.2,14.5,13.1,11.2,8.8,6.5
1946,4.9,5.9,5.7,8.3,10.3,11.5,13.5,12.8,12.7,9.7,7.8,4.8
1947,3.9,0.1,2.5,7.1,10.8,12.4,13.9,16.4,12.9,11,7.1,6
1948,4.4,5.2,7.9,8.3,9.8,11.8,13.6,13.4,12.3,9.7,8.6,6.7
1949,5.9,6.2,5.8,8.6,9.7,13.1,14.6,14.4,14,11.2,7.6,6
1950,5.9,4.6,7.1,6.5,10.4,13.1,14,14,11.6,9.4,5.7,2.6
1951,4,3.3,3.9,5.8,8.7,11.8,13.8,13.3,12.5,10.6,8.3,6.2
1952,2.8,4.4,6.2,8.5,11.1,11.7,14.2,13.8,9.9,8.9,5.1,4.4
1953,5.6,5.8,6,6.2,11.3,12.5,13.6,14,13.1,10.4,8.7,7.6
1954,4.7,3.6,5.5,7.5,10.2,11.8,12.5,12.9,11,10.3,6.8,7
1955,3.1,1.7,3.8,8.7,8.9,11.9,15.1,15.5,13.2,9,8.1,5.7
1956,3.9,2.8,6.2,6.8,10.7,11.5,13.8,11.8,12.5,9.5,7.6,6.9
1957,5.6,4.7,8.1,8.2,9.6,12.8,13.8,13.8,11.1,10,7.4,6
1958,4.1,4.3,3.6,7.1,9,11.8,13.8,13.9,13.9,10.7,8.2,5.3
1959,2.5,6.2,7,8.2,11.2,12.9,14.3,14.9,13.4,12,7.8,6.1
1960,4.7,3.6,5.9,8.7,11.6,13.9,13.7,13.5,12.1,10,7.2,4.4
1961,4.3,6.8,8.1,8.2,10,12.1,12.9,13.3,12.8,10.1,6.5,3.4
1962,4.7,5.1,2.9,6.9,9.3,11.8,12.8,12.8,11.4,10.5,6.7,4.9
1963,1,1.3,5.8,7.4,9,12.7,12.9,12.6,11.7,10.5,7.2,4.8
1964,5.9,5.1,4.9,8.1,11.2,11.9,13.6,13.2,12.4,9.1,7.7,4.7
1965,3.5,4.1,4.8,7.3,10.1,12.5,12,12.9,11.2,10.4,5,4.6
1966,4.1,4.7,6.5,5.8,9.7,12.9,13.3,12.8,12.8,9.1,5.8,5.4
1967,5.4,5.7,6.1,7.5,8.8,12.1,13.7,13.6,12.3,9.3,6.8,5.5
1968,5.3,2.5,5.8,7.2,8.3,12.5,13.1,13.9,12.3,11.7,7.1,5
1969,5.3,1.7,3.6,6.8,9.4,12.3,14.1,14.5,12.6,12.4,4.8,4.8
1970,4.6,3,4.1,6.1,10.9,14,12.5,14.1,12.5,10.1,7.2,5.6
1971,5.8,6,6.6,7.5,10.3,11.1,14.2,13.7,13.2,11.3,7.3,7.9
1972,4.9,5,5.6,7.9,9.7,10.4,13.4,12.9,11.1,10.7,6.3,6.6
1973,6,4.7,6.3,6.4,9.5,12.5,13.9,14.1,12.3,9.1,6.3,5.5
1974,6.5,5.8,5.3,7.7,10.2,11.9,13.1,13.7,10.8,8.1,6.5,7.3
1975,6.1,5.7,4.7,7.7,8.9,12.7,14.7,15.7,11.7,10.5,7.2,6.9
1976,5.9,5.5,5.3,7.9,10.1,13.8,15.3,15.2,12.3,9.9,6.8,3.3
1977,3.6,4.2,6.4,6.7,9.4,11.2,14.4,13.8,11.6,11.5,6,6.7
1978,3.8,2.7,6,6.3,10.7,12,12.9,13.5,12.7,11.4,8.5,5.2
1979,1.7,2.7,3.7,6.5,8,12.3,13.6,13.1,11.9,11,7.1,5.5
1980,3.6,5.4,4.5,8.3,10.7,12.2,13.1,14.1,13.3,8.8,7.3,6.3
1981,5.4,4.4,6.4,7.5,10.3,11.8,13.5,14.3,13,7.2,7.6,2.6
1982,3.8,5.6,5.5,8.4,10,13.1,14.4,13.9,12.1,10,7.1,4.8
1983,6,3.1,6.3,5.6,9.1,11.9,15.5,15.5,12,9.8,7.9,6.8
1984,3.1,4.8,4.7,7.9,9.4,12.7,14.6,15.2,11.8,9.9,7.3,6.2
1985,1.9,4.1,4.3,7.6,9.6,11.3,13.6,12.9,12.3,10.7,4.4,6.1
1986,3.7,1.2,5.1,5.2,9.6,12.4,13.3,11.8,10.6,10.1,7.6,5.7
1987,3.2,4.1,4.2,8.4,9.3,10.8,14,13.5,11.9,8.4,7.4,6.4
1988,4.9,4.9,5.5,7.9,10.5,12.9,13.1,13.5,11.9,9.7,6.7,8
1989,7.6,5.6,5.9,5.9,10.5,12.3,15.3,14.1,12,10.8,6.8,4.5
1990,6.2,5.8,7.5,7.2,10.9,12.2,14.3,14.8,11.5,10.6,6.8,5.2
1991,4.2,3.6,6.8,7.5,10.4,10.8,15.4,15,12.7,9.6,7.1,6.5
1992,5.5,6.3,6.7,7.6,11.3,13.7,13.8,13.2,11.2,7.4,7,4.9
1993,5.5,6.8,6.3,8.2,9.9,12.5,13,12.9,11.5,7.9,6.2,4.7
1994,4.8,3.8,5.8,7,9.5,11.9,14.5,13.6,11.7,9.9,10.2,6.5
1995,4.8,5.5,4.6,7.9,10,12.7,15.3,16.1,12.4,12.1,8.6,3.8
1996,6.3,4,4.8,8,8.2,12.4,13.8,14.3,13.1,11.1,6.2,4.8
1997,4.7,6,7.6,8.8,10.3,12.1,14.7,16,12.6,10.3,9.3,6.9
1998,5.9,8.4,7.3,6.8,10.8,12,13.6,13.9,13.1,9.5,7.2,6.8
1999,5.3,5.4,6.6,8.4,11,11.8,14.6,14,13.9,10.9,8.1,4.9
2000,5.8,6,7.2,7,10.7,12.1,14.1,14.6,13.3,9.8,7,5.9
2001,4.6,4.5,4.5,6.9,11.3,11.7,13.9,14.1,12.5,12.4,8.5,5.7
2002,6.9,6.1,7,8.4,10.7,12.6,13.3,14.9,13.1,9,8.8,6.3
2003,5.2,5.2,7.2,9.4,10.2,13.4,15.4,15.3,12.7,9,8.7,6.3
2004,5.8,5.3,6.4,8.7,10.8,13.1,13.7,15.6,13.2,9.6,8.7,7.2
2005,6.8,5.1,7.4,8.2,9.7,13.2,14.4,14.3,13.5,12,7.1,6.3
2006,6,5.4,4.8,7.3,10.3,13.4,16.2,14.4,14.5,12,8.1,7
2007,6.6,6.1,6.7,9.9,10.3,13.2,13.8,13.8,12.5,11.5,8.7,6.5
2008,6,6.5,5.8,7.5,12.3,12.3,14.7,14.8,12.5,9.2,7.5,5.2
2009,4.9,5.4,6.7,9.1,10.6,13.5,14.6,14.7,13,11.1,8.1,4.2
