1901,4.5,2.9,4.3,8.3,11.3,13.1,16.8,15.3,13.6,9.5,6.2,4.3
1902,5.4,2.6,7.1,7.5,8.9,12.8,14.1,14.2,13,10.1,7.9,5.4
1903,5,7,6.6,6.8,10.8,12.6,14.5,13.6,12.5,10.5,7.1,4
1904,5.1,3.9,4.7,8.6,10.4,13,15.6,14.7,12.7,10.2,6.6,5.7
1905,5.1,5.5,6.6,7.7,10.6,13.9,16.4,14.2,12.2,7.5,5.4,6.6
1906,6,3.6,5.5,7.2,9.9,13.8,14.7,16.3,13.5,10.5,7.8,4.1
1907,4.6,3.2,6.6,7.5,9.8,11.8,14.3,14,13.8,9.8,7.1,5.7
1908,4.1,6.1,4.8,6.5,12,13.7,15.3,14.8,12.8,12.5,8.5,5.9
1909,4.7,4.3,4.2,9,11,12.4,14.6,15.7,11.9,10.3,5.6,4.5
1910,4.6,5.5,6.4,7.2,11.1,13.9,14.1,14.9,12.7,10.8,5,6.8
1911,4.5,5,5.5,7.6,12.5,14.1,17.4,17.1,13.5,10,6.4,6.8
1912,4.9,5.7,7.3,9.3,11.6,13.2,15.3,12.3,11.4,8.7,7,7.3
1913,5.4,5.1,6,7.9,11,13.2,14.8,15.5,13.7,11.3,8.7,5.7
1914,4.5,6.7,6.2,9.6,10.9,14,15.3,15.7,13.3,10.5,7.2,5
1915,4.3,4.2,5.6,8.3,11.1,13.6,14.1,15,13.2,9.8,4.2,5.8
1916,7.9,4.3,3.9,8.2,11.2,11.7,15.1,16.4,13.4,11.2,7.5,3.3
1917,2.3,2.3,4.3,5.9,12,14,15.7,15.2,13.6,8,8.9,3.5
1918,4.7,7.3,6.2,7.2,12.1,13,14.9,15.8,11.8,9.4,6.5,7.3
1919,3.9,3.4,4.4,7.8,12.5,13.5,13.9,15.8,12.6,8.7,3.8,6.4
1920,5.6,6.6,6.7,8.4,11.5,13.8,13.8,13.7,13.1,11.4,8.5,4.8
1921,7.7,5.4,7.1,8.4,11.2,14.7,17.5,14.6,14.1,12.7,7.6,7.2
1922,4.8,5.4,5.5,6,12.1,13.4,13.2,13.2,12.1,8.9,6.9,6
1923,6,6.4,6.9,7.8,9.5,13.1,16.7,14.8,12.2,9.9,4.2,5.1
1924,5.7,3.9,4.7,7,10.8,13.6,14.4,13.9,12.7,10.4,7.8,7.5
1925,6.3,4.9,5.4,7.6,10.6,14.9,15.8,15.4,11.5,10.9,4.4,4
1926,5.7,6.9,6.6,9.1,10.3,13.1,16.7,16.4,14.4,8.8,6.5,4.8
1927,5.3,5,7.3,8.1,11.5,12.3,15.6,15.4,12.2,10.7,6.7,3.8
1928,5.8,6.5,6.2,8.4,11.3,12.6,15.4,14.8,12.8,10.9,8.1,5
1929,2.8,2.9,6.4,7.3,10.8,12.8,15.3,14.9,14.9,9.7,7.2,6.2
1930,5.4,2.6,5.7,8.4,11,14.5,14.8,15.1,13.6,10.8,6.7,5.5
1931,4.9,5,4.9,7.7,10.4,13.5,14.3,14.4,12.2,10.1,8.8,6.8
1932,7.4,4.4,5.5,7,9.8,13.9,15,16,13.1,9.5,7.7,6.8
1933,4,4.7,7.6,8.6,11.4,14.3,16.3,16.8,15,11,7.1,3.5
1934,6,4.7,5.7,7.4,10.6,14.4,17.1,14.7,14,10.8,7.3,8.8
1935,5.9,6.3,6.7,8.1,10.2,13.5,15.9,15.4,13.6,10.3,7.4,4.7
1936,5,4.4,7.1,6.5,10.8,13.5,14.4,15.4,14.1,10.5,7.1,6.7
1937,6.2,6.2,4.1,9.2,11.3,13.3,14.9,15.8,13.2,10.7,7.4,4.7
1938,6.4,5.6,8.5,8,10.3,12.9,13.9,15,13.5,11.2,9.8,5.6
1939,5,6.3,6.5,8.4,11,13.8,14.2,15.5,13.8,9.5,9.6,4.9
1940,2.1,4.7,6.2,8.7,11.4,15.2,14.2,15.4,12.9,10.3,7.9,5.2
1941,2.1,4.2,5.6,6.5,9,13.6,15.2,14.2,14.5,11.2,7.7,7
1942,3.9,2.1,6.2,9.2,10.4,13.3,14.7,15.4,13.1,10.3,5.9,7.7
1943,6.2,6.6,6.8,9.6,10.8,13.2,15.4,14.9,12.4,10.9,7.4,4.8
1944,7.5,4.4,5.4,9.5,10.6,13.2,15.2,16.1,12.1,9.6,7.2,6.7
1945,1.8,6.8,7.6,9.6,11.2,13.6,15.2,15.3,14.1,12.1,8,6.9
1946,4.6,6.6,5.6,9.1,10.6,12.3,14.6,13.8,13.3,10.5,8.5,4.6
1947,3.6,-0.1,4.6,7.9,11.5,13.8,14.8,18,14.4,11.1,8.3,5.9
1948,5.7,5,8.4,8.5,11.1,13,14.8,14.4,13.1,10.6,9,6.6
1949,6.3,6.2,5.9,8.9,10.5,14.3,16.3,16,15.5,12.2,7.8,6.8
1950,5.2,5.8,7.5,7.7,11.6,14.9,15.1,14.9,12.7,10.1,6.6,2.8
1951,4.7,4.1,4.7,6.7,9.7,13.3,15.2,14.4,13.8,10.5,8.5,6.4
1952,3.8,4.3,6.7,8.9,12.3,13.3,15.8,15.2,11.1,9.6,5.7,4.6
1953,4.5,4.7,5.6,7.3,12.2,13.7,14.9,15.3,13.7,10.4,9.1,8
1954,4.4,3.7,6.4,7.6,10.8,12.5,13.4,13.8,12.4,11.6,7.8,7.2
1955,3.9,2.1,3.7,8.6,9.8,13.2,16.7,17.1,14,9.5,7.7,7.2
1956,4.7,0.9,6.7,7.2,11,12.6,14.9,13.2,13.9,10,7.3,6.9
1957,5.9,5.5,9.3,8.8,10.6,14.4,15.7,15.2,12.6,11,6.9,5.6
1958,4.7,5.7,4.4,7.3,10.2,13,14.7,14.9,14.5,11.1,7.7,5.5
1959,3.5,5.5,7.3,8.9,12.2,14.4,16.2,16.3,14.6,12.7,8,6.8
1960,5.7,4.2,7,8.8,12.2,15,14.7,14.6,12.9,10.3,8.1,4.4
1961,4.6,7.1,7.9,9.7,10.8,13.4,14.4,14.7,14.2,10.6,7.1,3.9
1962,5.1,5,3.3,7.6,9.8,12.5,14.3,13.9,12.2,10.6,6.6,4.3
1963,0.1,1.2,6.2,8,9.8,13.7,14.1,14.2,12.4,11,8.4,3.7
1964,5,4.9,5.1,8.3,12,13.1,15.1,14.7,13.9,9.6,8.1,4.9
1965,4.1,3.6,5.8,8,10.8,13.3,13.8,14.5,11.7,11.4,5.8,5.7
1966,4.2,6.3,7,7.7,10.7,14.4,14.8,14.4,13.8,10.1,6.3,6.5
1967,5.4,5.6,6.9,8.1,9.7,13.5,15.3,14.8,13,10.6,6.4,5.6
1968,5.6,2.9,6.2,7.5,9.4,13.9,14.4,15.3,13.7,12.4,7.6,5
1969,6,2.1,4.5,7.7,10.5,13.4,15.5,15.4,13.6,12.9,6,4.6
1970,5,4.1,4.7,6.8,11.8,15.5,14.5,15.2,13.9,10.8,8.4,5.2
1971,5.6,5.5,5.4,8,11,12.5,16.3,15.3,14.6,12.1,7.4,7.4
1972,4.8,5.3,6.5,8.4,10.1,11.3,15,14.1,11.9,11.2,7,7.3
1973,5.7,5.3,6.3,7.3,11.1,14,14.6,15.8,13.8,9.9,7.6,5.9
1974,6.9,5.9,5.9,8.4,10.4,13.4,14.3,14.4,11.7,8.2,7.1,8
1975,7,5.8,5.2,8,9.9,14.2,16.4,16.9,12.7,10.7,7.4,6.2
1976,6.3,5,5.4,8,11,15.4,16.9,17.1,12.8,10.4,7.3,3.6
1977,3.6,5.7,7.3,7.3,10.5,12.4,15.7,15.2,12.9,12.3,6.7,6.8
1978,4.4,3.8,6.6,6.7,11.5,13,14,14.4,13.5,12.1,9.1,5.6
1979,2.3,2.6,5,7.4,8.7,13.1,15.2,14.3,12.7,11.5,7.9,6.2
1980,3.5,6.4,5.4,8.6,11.2,13,14.2,14.9,14.1,9.3,7.1,6.4
1981,5.5,3.9,7.7,8.1,10.8,12.7,14.7,15.8,14.2,8.4,8.1,2.9
1982,4.3,5.6,6.2,8.5,11,14.4,15.9,15.1,13.7,10.4,8.2,5.1
1983,6.5,2.9,6.5,6.7,10,13.7,18.2,16.9,13.5,10.6,8.2,6.7
1984,4.4,4.6,5.1,8.5,10,14.1,16,16.9,13.3,11,7.7,6.1
1985,1.9,3.9,5.2,8.3,10.8,12.6,15.2,13.9,14.1,10.8,5.1,6.7
1986,4.6,0.1,5.2,5.7,10.3,14.2,14.7,12.9,11,10.8,7.9,6.5
1987,2.2,3.9,5.1,9.6,10.2,12.1,15.4,15.1,13.2,9.6,7,6
1988,5.9,4.9,6.7,8.2,11.5,14.5,14.2,14.5,12.8,10.7,6.5,8
1989,7,6.3,7.2,6.7,12.7,14.2,17.5,16,13.9,12,7.3,5.3
1990,6.9,7.2,8.1,8.2,12.7,13.3,16.4,16.9,12.8,11.9,7.3,5
1991,4.2,3,7.4,8.1,11.3,12.1,16,16.1,14.5,10.2,7.4,6.2
1992,4.7,6.1,7.5,8.4,12.5,15.1,15.5,14.8,12.7,8.2,8,4.9
1993,6.6,5.9,6.7,9.4,11,13.8,14.7,14.4,12.3,8.4,6.1,6
1994,5.6,4.5,7.3,7.6,10.3,13.1,15.7,15,12.4,10.6,10.1,7.4
1995,5.4,6.6,5.7,8.5,11,13.9,16.8,18.3,13.2,12.7,8.2,3.9
1996,5.4,3.9,5.1,7.9,8.7,13.2,15.2,15.1,13.3,11.5,6.5,3.6
1997,3.1,6.6,7.8,8.9,11.2,13.2,15.3,17.2,13.6,11,8.8,6.5
1998,5.6,7.2,7.8,7.5,12.4,13.5,14.6,15.2,14.1,10.5,7.2,6.3
1999,5.9,5.7,6.9,9,12.3,13.2,16.5,15.6,14.5,10.7,8,5.6
2000,5.2,6.3,7.2,7.3,11.6,13.7,15.2,15.9,14,10.1,7.1,6
2001,4.3,4.8,5.8,7.7,11.9,13.5,15.4,15.1,13.1,12.9,8.3,4.6
2002,6.6,7,7.3,8.5,11.3,13.3,14.5,15.1,13.7,10.3,9.1,5.9
2003,5,4.9,7.3,9.5,11.2,14.7,16.4,16.8,13.8,9.2,8.7,5.8
2004,6,5,6.4,8.8,11.4,14.5,14.9,16.5,14.3,10.4,8.6,6.4
2005,6.9,4.6,7.5,8.6,10.8,14.8,16,15.6,14.4,12.4,7.2,5.8
2006,4.9,4.8,5.5,8.3,11.3,15.1,17.8,15.5,15.4,12.7,8.9,7.1
2007,6.9,6.4,6.9,10.5,11.6,14.7,14.9,15,13.4,11.2,8.6,6.1
2008,6.8,6.2,6.5,7.9,12.4,13.5,15.7,15.5,13,9.9,7.7,4.5
2009,4.4,4.7,6.7,9,11.3,14.8,15.6,15.5,13.2,11.8,8.7,4.4
