1901,1.8,1.1,5.9,8.4,10.6,15,18,17.6,15.7,11.9,6.6,6.5
1902,4.1,5.6,5,9.3,9.1,13.9,18.2,18.3,16.4,12.4,6.7,3.9
1903,3.4,3.7,5.9,6.3,12,13.6,16.9,18.3,15.8,11.8,7.2,6.6
1904,3.6,5.2,5.9,9.2,12.5,16.4,19.3,18.2,14.3,10.9,5.4,4.6
1905,0.2,1,5.5,8.3,11.4,14.2,19,19,17.4,9,9,5.6
1906,2.9,2,5.1,7.4,10.6,14.3,17.7,18.2,14.4,11.3,8.7,3.8
1907,1.8,1.3,1.8,6.2,12.8,14.6,16.9,18.6,15.8,14,8.1,6.4
1908,2.9,2.8,4.5,6.3,14.1,15.3,17.4,17.7,14.2,11.4,5.8,3.8
1909,1.9,0.5,5.1,8.7,11.6,14.6,16.4,17.6,15,12,6.7,7.1
1910,4.3,4.2,4.8,8.2,10.7,14.5,16.1,17.5,13.3,12.4,6.9,7.3
1911,2.5,1.2,5.3,7.1,11.1,15.1,18.3,19.2,16,12.4,9.6,6.6
1912,4,5.7,6.7,6.3,11.5,15.2,18.7,17.2,12.7,11.2,5.5,5.6
1913,4.6,2.6,6.7,8.1,11.6,15.6,16.2,17.2,17,13.1,9.2,5.3
1914,1.8,3.9,5.9,9.4,12,14.2,17.1,18,14.7,10.1,6.5,5.9
1915,3.5,3.1,4.9,7.3,12.9,16.2,17.8,17.5,13.5,9.9,6.7,7
1916,4.4,4.2,6.9,8.4,12.6,16.9,18.6,17.2,14.1,11.2,8.4,7.1
1917,4,2.1,4.5,6.8,12.7,17.2,18,19.4,17,11.6,6.8,3.2
1918,3.5,1.9,4.4,8,11.9,14.4,18,17.5,17.4,11,6.8,5.5
1919,4.3,2.9,5.5,7.4,9.4,15.6,16.8,18.6,16.5,10,7.4,4.1
1920,4.8,3.8,6.2,9.1,14.6,15.6,19.3,18.2,16.2,11.3,6.8,6.1
1921,5.3,3.4,5.6,7.5,13.1,14.3,18.9,18.7,15.6,12.9,6.7,4.3
1922,3,3.1,7.1,8.4,13.1,16.9,18,19.8,15.4,11.5,5.4,4.1
1923,2.8,3.7,5,8.2,13.4,13.6,18.7,19.6,16.2,12.5,9.9,5
1924,2.1,2.6,4.8,8.6,14.1,16.3,18.6,17.3,17.3,12,7.2,6
1925,3.8,4.8,4.2,8.2,11.6,15.7,17.6,18.7,15.3,12.1,8.6,4.2
1926,4.3,6,5.6,8.8,10.8,13.4,15.9,16.6,17.2,13.4,12,5.3
1927,4.3,2.5,6.6,8.4,12.4,17.5,19.3,19.4,16.6,11.5,10.2,6.1
1928,5,3.6,5.3,8.9,10.4,15.9,20.4,20.6,17.2,12.3,8.6,4.2
1929,1.9,-0.2,4.4,7.3,13.1,16.2,19,18,16,11.7,9,5.9
1930,5.3,3.4,6.4,8.4,11.1,16.5,18.5,17.6,15.8,11.1,8.5,5.9
1931,5,3.4,5.5,6.9,11.6,17,18.9,19.1,14.1,10.9,8.5,4.1
1932,3.2,0.7,4.5,7.1,11.3,13.7,17.8,18.3,18.2,14.2,9.3,7.3
1933,3.8,4,4.8,7.9,10.3,12.2,16.5,17.6,15,13,9.7,5
1934,3.7,3.3,6.1,9.2,12.8,15,17.5,17.9,15.6,12,9.3,7
1935,1.5,3.2,4.1,7.7,10.4,16.3,18,18,15.9,13.4,9.6,6.1
1936,7.3,4.3,6.6,8.5,11.3,14,18.5,17.5,15.3,10.4,8,5.8
1937,4.5,5.2,6.4,7.8,11.6,16.6,17.5,18.1,15.4,12.5,8.8,5
1938,3.3,2.7,5.1,5.9,10,16.3,18.2,18.2,14.9,12.5,9.1,5.8
1939,5.9,4.9,3.1,8.5,9.6,13.7,18.7,18,15.5,12.7,8.8,5.1
1940,2.3,3.4,4.6,7,10.9,12.6,15.9,16,15.4,12.8,9.1,2.3
1941,4.1,4.8,6.3,6.7,10.1,14.9,18.3,17.6,13.8,11.1,6.8,4.5
1942,0.2,1.5,5.2,8.5,12.8,15.5,17.9,17.6,17.5,12.9,7.7,7.2
1943,2.7,4.5,5.4,9.3,11.8,15.1,18.4,19.1,17.9,13.6,8.2,6.7
1944,4.6,1.9,3.2,8.7,12.5,16.6,17.8,19.2,16.5,12,7.8,5.4
1945,1.2,3.3,5.1,9.2,14.4,18,20.3,19,16.1,10.5,7.5,5.3
1946,3.4,3.6,5.3,8.7,11.8,16,19.1,19.8,17.8,11.5,9,4.1
1947,1.6,4.9,8.1,8.9,12.2,16.5,19.3,18.5,16.3,11.6,9.6,5
1948,5.6,3.4,5.6,8.2,12.3,14.6,16.6,18.7,15.2,13.1,7.9,4.6
1949,5.1,3.7,3,8.6,12.3,14.8,17.6,17.5,16.5,13.1,8.5,6.3
1950,2.7,3.5,6.1,8.6,13.3,17.4,19.5,19,16.7,12.3,8.2,6.1
1951,5.4,5.3,5.6,7.5,11.5,15.5,17.5,18.3,16.3,10.7,9.4,5.7
1952,3.6,2.2,4.9,9.2,11.5,17,20.1,20.4,16.9,12.5,7.8,6.2
1953,2.3,2.1,3.4,8.5,11.9,14.5,18,17.7,16.2,13,7.3,6.5
1954,2.3,2.4,6.8,6.7,10.9,16.2,16.8,17.3,16.8,10.8,7.5,6.1
1955,7.4,5.4,5.3,6.7,12.1,15.5,18.2,17.7,15.5,12.1,8,7.7
1956,5.2,1.2,3.7,7.2,11.6,13.6,17.9,19.4,16.7,11.3,7.6,4.7
1957,3.8,5.6,5.3,8.1,10.9,16.4,18.1,18.4,15.5,13.2,8.9,5.4
1958,4.7,5.4,4,6.7,13.2,15.4,18,19.6,15.9,12.2,9.9,7.5
1959,3.5,3.5,6.9,7.4,11.2,14.3,18.1,17.4,14.8,9.9,8.3,6.7
1960,4.5,5.1,6.2,7.7,11.8,15.3,16.4,18.2,14.9,12.8,9.8,6.8
1961,4.3,3.5,5.3,9.5,11.1,15.2,17,17.6,16,12,9.4,5.3
1962,5.1,2.3,4.6,7.9,11,14,17.4,18.7,16.2,12.7,8.4,4
1963,3,2.7,3.9,7.5,11,15.1,18.1,18.1,15.8,11.2,10.5,7.1
1964,2.6,3.5,6.3,7.8,12.1,15.8,16.9,17.9,14.9,12,9.2,5.6
1965,4.7,0.9,5.5,7.3,11.2,15,18.3,17.4,15.6,11.7,9.6,7
1966,3.7,6.7,5.1,9.1,11.8,15.8,17.1,18,15.7,14,6.8,4.8
1967,3.4,4.2,6,7.6,12,13.9,18.2,18.4,15.6,13,9.4,5.4
1968,2.6,5.4,4.9,8.9,12.4,14.9,17.3,16.8,14.6,11.5,8.5,5.7
1969,4.1,4.1,5.9,7.6,13,13.5,16,17.1,16,11.8,9.9,3.8
1970,5.8,4.6,4.8,7.8,9.7,14.9,16.5,17.7,15.1,10.3,8.6,6.3
1971,5.9,3.4,3.2,8.7,12.4,14,17,19.5,13.9,10.2,7.7,5.3
1972,5.5,5.9,7,8.6,11.3,15.2,17,17.2,14.2,9.5,8.6,6.4
1973,5.3,3.1,3.7,5.9,11.9,15.4,17.9,17.3,16.3,12.6,7.4,5.5
1974,5.2,4.7,5.6,7.3,11.6,14.3,17.1,19.1,16.3,9.7,6.8,4.9
1975,4.2,3.1,5.5,7.1,11.4,14.3,17.3,18,17.2,11.5,7.9,5.8
1976,3.7,4.5,4.4,6.9,12.1,14.9,17.3,16,13.8,12.5,7.8,6.2
1977,5.6,6.7,7.1,7.1,11.5,13.8,17.6,16.8,14.3,11.5,8.5,4.5
1978,3.8,4.8,5.6,7.4,10.8,15.1,16.3,17.4,14.9,11.2,5.5,7.7
1979,3.8,5.5,6.7,7.6,12.2,16.1,17.9,17.9,14.9,13,8.4,6.7
1980,3.8,4.3,5.5,6.3,10.5,13.9,16,18.9,15.8,11.5,8.5,3.2
1981,1.9,2.3,7,8.5,11,15.6,16.5,17.6,15.3,12.9,5.2,6.6
1982,5.7,2.6,3.9,6.9,11.9,16.4,19,19.1,17.2,12.9,8.4,6.3
1983,4.4,2,5.2,8,11.8,14.9,20.1,18.6,16,11.1,8.1,5.9
1984,5,3.8,4.8,7.4,11.4,15.2,17.8,17.8,15.2,12.6,9.4,6.1
1985,3,3.5,5.3,8.5,12.7,15.3,18.2,18.5,16.4,12.1,8.9,7
1986,5,4,7.2,8.2,14.2,15.9,18.3,20.1,16.1,13.2,8.2,3.8
1987,4.5,4.5,2,8.2,10.2,15.1,19.5,19.2,18.1,13.4,8.8,6.3
1988,6.7,4.9,5.2,8.6,12.5,15.5,19.5,19.7,15.8,13.7,6.3,4.5
1989,3.2,4.2,6.9,9,11.1,15,18.7,18.8,15.4,10,7.5,6.2
1990,4.4,5,6.3,8.6,12.3,15.4,17,18.3,16.2,14.3,9.6,4.7
1991,4.1,2.9,7.7,7.4,10.4,15.7,18.2,20,17.1,12.3,8.3,3
1992,3.6,2.8,4.8,8,12.3,14.9,17.1,20.1,16.2,13.9,9.5,6.3
1993,3.2,1.4,3.8,8.1,13.1,16.2,17,19.8,16.3,12.3,7.6,6.2
1994,5.4,3.8,6.4,8.2,12.2,15.5,19.8,20.8,17.5,12.6,8.3,6
1995,3.7,5.2,4,6.1,10.9,14.2,18.3,17.5,14.3,11.1,7,7.8
1996,5.7,2.7,4.1,7.5,12.2,15.7,16.9,18.4,12.9,10.5,8.9,6
1997,5.8,3.4,5.3,5.2,12.2,16,17.6,17.8,15.8,11.4,8.6,5.5
1998,4.7,4.9,3.8,8.3,12,16.6,19,18.7,15.4,12.2,6.9,3.8
1999,3.8,1.5,4.9,8,12.9,16.5,18.4,20.5,16.9,13,8.3,6.1
2000,2.2,3,4.9,9.6,13.9,16.5,18.1,20.1,15.7,12.4,10.2,7
2001,7.1,4.1,8.3,7,13.9,15.5,19.2,19.9,15.6,15.2,8.6,2.8
2002,2.5,5.6,6.7,8.8,13.2,16.9,18.3,17.7,14.7,11.8,10.1,6.7
2003,5.9,1.6,4.2,7.2,13.9,17.5,19.9,21.1,16.1,12.9,9.8,5.7
2004,3.9,3.9,5.5,8.7,10.4,15.5,18.5,18.3,15.8,13.5,8.1,7.7
2005,3.2,2.3,4.5,7.8,13.5,15.9,18.9,18.1,16,12.4,8.7,5
2006,4.2,4.1,5.1,9.1,13.2,15.7,19.6,17.8,16.8,13.3,7,6.2
2007,5.5,6.4,7.1,9.5,13.3,17.6,19.3,19.2,15.1,11.4,8,5.2
2008,5.8,3.9,6,9.5,13.7,16.6,19.7,19.8,15.5,12.8,9.6,7.3
2009,6.5,3.1,5.7,10.1,14.1,16.2,19.5,20.9,17.1,12.3,8.5,7.1
