1901,1.5,0.7,6.4,8.6,11.2,16.4,18.6,18.8,16.2,12,7.2,5.6
1902,3.3,6.2,5.9,10.6,9.6,14.9,19.2,18.4,16.7,12.1,6.8,3.8
1903,3.2,4.5,5.9,6.3,12.2,15.1,19.4,18.2,16,12,7.5,6.2
1904,4.8,5.6,6.8,9.5,12.5,17.9,20.6,19.2,14.8,11,5.6,4
1905,0.2,1.9,5.6,9,11.4,15.8,20.4,19.1,16,7.9,8.6,4.7
1906,2.3,2.4,5,7.7,11.5,15.7,18.1,19.1,15.1,11.8,8.5,3.7
1907,2.1,2.4,2.8,6.3,12.6,15.8,17.5,19.2,16.1,13.7,8.3,6.1
1908,1.7,4.3,4.4,6.1,13.7,17.1,17.8,18.2,13.8,11.1,5.8,3.6
1909,1.9,0.7,5,8.6,11.9,15.1,16.3,18.3,14.1,11.8,7.5,6.7
1910,4.6,4.7,5.4,8.4,10.5,15.6,16.7,18,13.5,12.1,6.5,6.5
1911,1.7,2,6.1,7.4,11.7,16,18.9,20,16.6,11.9,9.8,5.3
1912,4.9,6.2,6,6.8,12.7,15.9,18.8,17.5,13.5,10.2,6.2,4.6
1913,4.1,2.8,5.9,7.9,11.9,16.5,16.9,17.6,16,12.7,8.7,3.8
1914,1.1,4.7,6.2,9.3,11.6,15.2,18.3,17.8,15.2,10.2,6.8,5.4
1915,3.6,3.8,4.8,8,13.2,16.7,18,17.9,13.8,9.5,6.5,7.8
1916,3.9,4.7,7.1,8.5,12.8,16.6,18.1,17.9,13.7,10.4,8.5,6.6
1917,3.7,2.1,4.3,6.7,13.1,18,18.7,19,16.6,11.7,7,3.1
1918,2.5,2.2,4.8,8.8,12.1,14.9,18.3,17.9,17.6,10.7,6.3,4.9
1919,4.5,3.1,5.4,7.7,10.6,16.6,17.4,19.3,16.9,9.6,7.2,3
1920,4.8,4.3,6.3,8.7,15.1,16.5,19.9,18.6,16.2,11.6,7.6,5.6
1921,5.2,3.8,5.3,7.9,13,15.2,19.7,18.7,16.2,12.5,6.9,3.2
1922,3,3.7,7,8.1,13.5,17.7,18.4,19.6,13.9,11.1,5.7,3.6
1923,2.8,4.7,5.2,8,12.6,15,20.2,20.5,15.9,12.5,9.5,4.4
1924,2.5,3.2,5.8,9,14.3,17.3,20,18,16.5,11.4,7.1,4.8
1925,3.4,5.4,3.9,8.4,12.2,17.8,17.9,19.2,14.5,12.2,8.3,3.3
1926,3.2,6.9,6.4,9.4,11.1,14.7,17.8,17.8,17.9,13.8,12.2,4.2
1927,4.2,3.4,6.6,9.2,13,17.6,19.4,19.9,15.8,11.2,10.2,6.2
1928,4.3,4.9,6.3,9.5,10.9,17.6,20,21.4,17.4,11.7,8.7,3.9
1929,0.7,-0.9,5,8.2,14.1,17.4,19.7,18.9,17.1,13.6,9.2,5.1
1930,4.5,4.4,7,9.2,11.8,18.2,19.9,18.9,16.8,11.2,8.6,5
1931,5.2,4.3,5.4,7.6,12.2,17.9,18.4,19.4,14.4,11.8,9.5,4.8
1932,4.9,0.7,5,7.8,11.6,14.6,17.1,18.8,17.9,12.3,8.8,6.6
1933,3.9,4.6,5.9,8.8,11.3,13.9,17.3,18.5,16.4,13.2,8.8,2.9
1934,4.6,4,6.7,9.1,13.5,15.9,18,18.5,15.9,11.6,8.8,7.3
1935,1.5,2.3,4.3,7,9.8,17.3,18.3,17.7,15.6,13.3,9.7,6
1936,7.4,5.5,7.1,8.3,10.8,15,17.5,17.5,15.3,8.5,7.5,4.9
1937,3.9,5.7,6.6,7.4,11.6,16.4,17.4,17.3,15.1,12.3,8.9,4.7
1938,2.4,3,6.3,6.2,9.9,16.9,17.7,17.8,15.2,12.8,8.8,5.3
1939,5.9,5.1,3.4,8.7,8.8,15.1,17.9,18.7,14.6,12,8.3,5.5
1940,2.1,2.5,5.4,9,11.3,14.5,16.5,16,15.5,12.5,8.2,1.5
1941,4.1,4.3,5.5,8,10.5,16.9,19.7,19.3,14.5,10.8,7.4,2.4
1942,0.1,2.7,7.4,9.5,13,17.6,19.9,18.4,17.5,13.1,7.1,6.2
1943,1,4.9,6.5,8.6,12.9,16.2,19.5,20.6,18.6,13.3,7.1,6
1944,2.6,1.5,4.4,9.7,12.4,16.5,18.5,21,16.6,11.4,6.4,3.7
1945,0.1,4,6,9.9,14,19,20.9,19.3,16.2,10.2,6.2,4
1946,2.5,4.3,3.7,9,9,16.5,19.6,19.7,17.6,10.9,7.9,2.7
1947,1.2,4.7,8,8.8,13.8,18.8,21.2,20.5,16.6,11.7,9.3,4.5
1948,4.1,2.8,6.5,9.3,13.2,16.6,17.5,19.3,16.2,13.8,8.1,3.3
1949,5.3,3.8,4,9.4,13.1,16.9,19.5,19.4,17.9,13.6,8.3,5.5
1950,3.1,4.9,6.8,8.6,13.3,18.4,18.7,20.5,17.5,13,8.4,5.6
1951,5.9,7.2,5.9,8.2,12,16.1,18.2,19,17.6,11.1,10.2,3.8
1952,3.3,2.7,5.8,10.4,13,18,21,20.6,16.8,13.3,7,6.2
1953,1.6,2.4,3.9,9.5,13.1,15.2,16.8,18,17.5,13.9,6.5,7
1954,2.1,4.2,7.5,8.2,12.5,17.6,17.7,17.7,16.8,10.9,8.2,5.3
1955,7.9,7.3,5.9,6.8,12.7,16.8,19.8,18.2,15.5,11.4,7.6,7.7
1956,5.9,0.4,5.3,8.4,11.9,14.9,18.6,19.7,16.8,10.1,7.8,3.4
1957,3.2,7,5.8,8.9,11.4,17.3,18.9,18.9,15.6,12.8,8.8,5.1
1958,3.7,6.6,4.8,7.1,13.1,15.9,18.9,20,16.5,12.3,10.2,6.8
1959,3.8,4.7,8.6,9.1,12.4,16.4,19.6,19.4,16.1,9.8,8.8,7.3
1960,5,6.6,7.3,8.3,12.8,17.3,17.8,18.1,15,13,9.6,5.6
1961,5.2,5.2,6.4,9.7,11.5,16.5,18.2,17.7,16.1,12.7,10.1,5.9
1962,5.5,3.5,5.5,8.6,11.4,15.1,17.8,19.1,17,12.8,8.7,2.9
1963,3.5,3.9,4.9,8.9,11.7,16.3,19,18.5,16,10.6,11.9,5.2
1964,1.6,3.9,7,8,12,16.3,18.6,18.4,14.1,12,9,5.2
1965,4,0.7,5.6,7,10,14.4,16.9,16.9,15.2,10.9,11.2,6.4
1966,2.6,7.7,4.7,9.1,11.5,15.8,16.8,17.2,15,14.8,6.9,4.6
1967,2.8,4.5,6.8,7.6,11.4,14.1,18,18.7,15.8,12.1,9.6,5
1968,1.8,6.9,5.7,8.9,13.1,16.3,18.1,17.4,15.6,11.2,7.6,5.5
1969,3.7,5.1,7.3,7.8,13.2,14.6,17.6,18.3,16.1,11.2,10.4,3.6
1970,7,5.9,5.5,7.7,10.2,16.7,17.6,18.8,16.6,10.2,9,5.1
1971,5.7,3.8,3.5,9.2,12.6,15.4,17.8,20,15,10.5,8,4.7
1972,5.9,7.2,7.6,8.9,11.3,15.6,17.7,16.8,14.8,10.8,9.1,6.1
1973,4.7,3.8,4.1,6.4,11.6,16.4,18.7,19,17.9,13,7.7,5
1974,6,7.1,6.9,8.6,12.1,16,17.6,18.4,16.1,9.3,7.6,3.5
1975,4.5,4,6.8,7.7,11.9,14.7,17.8,18.6,17.9,10.7,7.8,5.1
1976,3.7,5.8,4.9,7.8,11.8,16.1,19,17.6,15.4,13.1,8.6,7.4
1977,7.1,8.1,7.5,7.5,12.5,15.1,18.8,18.4,14,13.1,8.8,4.8
1978,4.9,5.5,6.6,8.3,12.5,16,17.4,18.2,15.4,11.1,4.7,8.2
1979,4.9,7.6,8.1,8,12.1,17.2,19.1,19.1,16,13.6,7.4,6.4
1980,5.2,4.6,7,6.9,11.4,15.4,16.6,19.5,16.1,12.4,10,3.3
1981,1,2.8,8,9.8,11.9,16.3,16.9,17.4,17.1,13.1,5.1,7.3
1982,5.7,4,5.1,10.3,11.8,16.5,20,19.1,17.8,15.3,9.5,6.9
1983,4.1,3.1,6.5,9.2,12.2,15.5,19.4,19.2,16.3,11.6,7.4,5.3
1984,5,3.9,5.5,7.9,12.2,15.5,17.4,18,15.4,13,9.7,5.6
1985,2.3,5.2,6.5,9.2,13.1,16.6,20.1,18.7,16.3,12.5,9.3,7
1986,5,4.3,6.7,8.7,13.2,15.1,18.3,19.8,16.2,13.1,8.6,3.7
1987,4.8,6.1,4.4,8.5,10.6,15.5,20.3,20.2,18.6,14.8,9.9,7.6
1988,7.8,5,5.7,9.3,14.4,16.2,20,19.3,15.5,14.1,6.2,3.6
1989,2.2,5,7,9.3,12,16,18.8,19.6,16,10.1,8,6
1990,3.3,6.4,6.9,9.1,13.1,16.5,18.1,19.3,16.5,15.3,8.9,3.8
1991,4,3.8,8.9,7,9.9,16.1,19.6,20,18.5,12.5,8.9,2
1992,4.8,4.1,6.9,9.5,13.2,16.2,19.2,21,17.1,15.5,10.9,6.8
1993,3.8,1.3,4.1,8.8,12.6,17.1,17.8,20.3,17.9,13.7,8.5,7.3
1994,5.5,5.4,7.7,8.9,13.4,16.7,20.4,21.8,18.4,13.4,10.2,7.3
1995,3.9,6.4,5,8.1,12.1,15.2,20.3,19.8,15.7,12.5,7.8,7.4
1996,6.9,4.2,5.8,9.1,13,16.9,18.3,19.2,14.7,12.2,12,6.3
1997,6.4,6,6.2,7,12.9,17.9,18.7,20.2,17.1,13.4,10.4,6.4
1998,5.5,4.7,4.9,10.1,13.1,17.4,19.5,19.9,16.4,13,8.2,3.3
1999,3.4,2.3,6.5,8.6,13.1,16.3,18.8,20.3,17.7,13.5,8.3,5.8
2000,2.5,4.2,6.5,10,14.1,17.1,17.9,19.5,16.2,13.4,10.9,8.1
2001,7,5.4,10,7.5,13.8,15.9,19.7,20.9,14.9,15.3,8.9,3.8
2002,2.5,6.5,7.5,9.1,13,17.8,19.4,19.1,16,13.1,11.7,8.2
2003,4.9,1.2,5.3,7.9,13.9,18.5,20.9,22,16.9,12.8,11,6.5
2004,4.4,6.4,6.3,8.9,11.2,16.3,18.7,20.2,16.7,15.6,9.3,7.5
2005,3.4,2.1,5.6,7.9,13,17.2,19.8,19.2,17.2,13.4,8.6,4.3
2006,3.2,4.6,6.1,8.9,12.5,16.4,20.9,19.3,17.4,14,9.3,6.9
2007,7.3,7.1,7.3,10,14,17.8,19,19.5,15.6,12.2,8.3,6.2
2008,6.7,5.3,6.7,10.1,13.7,17.5,19.9,20.1,16.6,13.8,10.1,6.6
2009,5.7,4.2,6.8,10.6,13.7,16.9,19.9,21.5,18.9,12.4,9.6,6.1
