1902,3.2,5.4,4,8,8.3,13.1,17.5,17.9,15.8,11.7,5.7,2.3
1903,2,2.8,5.1,5.3,10.9,12.7,16.1,17.5,15.1,11.4,6.6,5.9
1904,2.2,5,4.8,7.9,11.7,15.1,18.1,17.3,13.7,10.5,4.4,3.7
1905,-1.7,-0.1,4.9,7,10.7,13.5,18.1,18.5,16.9,8.2,8.9,4.4
1906,1.6,1.4,4.5,6.6,9.7,13.5,17.1,17,13.7,10.4,8,2.5
1907,0.5,0.2,0.6,5.4,12.3,14.1,16.4,17.8,14.6,13.7,7,5.4
1908,1.2,1.8,3.7,5.6,13.3,13.7,16.9,17,13.5,10.6,4.3,2.3
1909,0.2,-0.7,4.6,7.5,10.4,13.8,16,16.7,14.3,11.2,5.6,6.5
1910,3.3,3.9,4.1,7,9.9,13.8,15.4,16.7,12.4,11.7,6.6,6.7
1911,1.4,0.3,4.2,5.9,10.2,14.2,17.4,18.2,15,11.7,8.7,5.3
1912,2.2,5,6.1,4.9,10.2,14.4,17.7,16.3,11.9,10.3,4.4,3.9
1913,3.1,1.9,5.9,7.2,10.6,14.8,15.5,16.3,16.2,12.3,8.4,4.2
1914,-0.2,2.2,5.1,8.1,10.9,13.3,16.3,17.3,13.7,9.1,5.4,4.4
1915,2.2,2.2,4,6.4,11.9,15.3,17,16.7,12.7,9.1,5.6,5.5
1916,3.2,3,6.4,7.1,11.5,16.1,18,16.5,13.6,10.6,7.6,5.9
1917,2.9,0.5,3.7,6,11.1,15.9,17.4,18.8,16.1,11.1,6,1.8
1918,2.3,0.2,3.3,6.8,10.9,13.8,17.1,17,16.5,10.7,6.2,3.6
1919,3,2.1,4.8,6.4,8.5,14.6,16.1,17.6,15.6,9.2,6.5,2.6
1920,3.6,2.9,5.3,8.6,13.2,14.8,18.4,17.5,15.2,10.1,5.1,4.4
1921,4.2,2.5,4.8,6.4,12.1,13.3,18.1,18,14.6,11.4,5.3,2.8
1922,1.5,1.7,6.5,7.5,11.6,15.8,17.6,18.9,14.8,10.5,4.5,2.8
1923,1.8,2.7,4.2,7,12.3,12.6,17.7,18.2,15.4,12.1,9.3,3.8
1924,0.4,1.6,3.8,7.6,13,15.6,17.5,16.4,16.7,11.1,6.1,4
1925,2.4,4.5,3.4,7.2,10.6,14.4,16.8,17.6,14.5,10.9,7.7,2.5
1926,3,5.2,4.7,7.8,9.9,12.6,15.1,15.6,16.2,12.4,11,3.8
1927,2.9,1.5,5.9,7.3,11.5,16.8,18.6,18.6,15.8,10.7,9.2,4.4
1928,3.4,2.5,4.1,7.8,9.5,14.9,19.7,19.7,16.3,11.3,7.7,2.5
1929,0.4,-1.1,3.4,6,12.2,15.4,18.2,17.3,14.8,10.5,8.1,4.4
1930,3.8,2.4,5.4,7.3,10.1,15.4,17.5,16.8,14.9,10.2,7.7,4.4
1931,3.7,2.6,4.8,6,10.9,16.4,18.7,18.4,13.4,10.2,7.5,2.5
1932,1.9,0.1,3.5,6,10.8,13,17.3,17.5,17.7,13.8,8.2,5.6
1933,2.7,3,3.9,6.8,9.3,11.4,15.7,17.2,13.9,12,8.7,3.6
1934,2.3,2.5,5.4,8.4,12,14.2,16.8,17.2,15.1,11.2,8.5,5.7
1935,0.2,2.5,3.2,6.7,9.7,15.5,17.4,17.3,15,12.6,8.6,4.6
1936,5.8,3.5,5.6,7.6,10.5,13.4,18,16.9,14.4,9.7,7.2,4.1
1937,2.8,4.3,5.5,6.9,10.9,15.7,16.9,17.3,14.8,11.8,7.8,3.6
1938,1.8,2,4.2,4.9,9.2,15.7,17.7,17.4,14.1,11.7,8.1,4.4
1939,4.3,4,2.3,7.5,8.9,13,18,17.4,14.8,11.9,7.8,3.7
1940,0.7,2.6,3.5,6.1,10,12.1,15.5,15.4,14.6,11.9,8.4,1
1941,2.6,4.1,5.3,5.9,9.2,14.1,17.3,16.8,12.6,9.8,5.5,2.8
1942,-1.8,0.5,4,7.4,11.8,14.9,17.5,17,16.8,12.1,6.7,5.8
1943,1.1,3.6,4.2,8.1,10.8,14.3,17.7,18.5,17.2,12.7,7.3,5.1
1944,2.9,1,2.2,7.7,11.6,16,17.2,18.2,15.7,11.4,6.8,3.7
1945,-0.2,2.4,4.2,8,13.6,17.1,19.4,18.1,15.2,9.7,6.6,3.8
1946,2,2.7,4.7,7.7,11.4,15.2,18.2,18.9,16.9,10.6,8.2,2.3
1947,-0.1,4.1,6.9,8.4,11.5,15.4,18.7,18.1,15.5,10.7,8.5,3.5
1948,4.6,2.6,5.1,7.4,11.7,13.8,16,18,14.6,12.2,7,3.5
1949,3.6,2.7,2,7.9,11.6,14.1,17.1,16.6,15.4,12.2,7.7,4.7
1950,0.9,2.5,5.4,7.7,12.6,16.6,18.9,18,15.7,11.4,7.1,4.7
1951,3.6,4.1,4.7,6.6,10.6,14.5,16.7,16.8,15.4,9.9,7.9,3.4
1952,1.8,1.8,3.3,7.9,10.4,15.7,18.6,18.9,16,10.9,6.7,4.9
1953,0.6,1.2,2.1,7.1,10.6,13.9,17.5,17,14.3,12.1,6.2,4.2
1954,0.3,1.7,5.5,5.9,9.6,15.2,15.7,16.1,14.9,9.6,6.4,4.1
1955,5.4,4.3,3.9,5.5,10.7,14.2,17.2,16.5,14.6,11,6.7,5.1
1956,2.9,0.2,2.1,5.4,10.6,12.7,16.7,18.2,15.1,9.8,6.3,2.6
1957,2.4,4.1,4,7.1,10,15.7,16.9,17.1,14,12.2,7.6,3.6
1958,2.8,3.5,2.8,5.4,11.8,14.1,16.7,18.2,14.3,10.9,8.7,5.9
1959,1.9,2.4,5.8,6.6,10.7,13.8,17.5,16.9,14,9.3,7.8,5.2
1960,3,3.8,5.3,7,11.4,14.4,15.4,17,13.8,11.5,8.4,5.5
1961,2.9,2.6,4.4,8.5,10.5,14.6,16.4,16.6,14.7,11,8.2,3.8
1962,3.6,1.4,3.7,6.6,10.3,13.5,16.8,17.6,15.4,12,7.5,2.6
1963,1.3,1.9,3,6.5,10.4,14.3,17.8,17,15,10.7,8.6,5.5
1964,1.8,2.9,5.6,7.1,11.5,15.4,16.7,16.8,14,10.3,8.1,4.2
1965,3.3,0.5,4.7,6.3,10.4,14,17.3,16.3,14.3,10.6,8.3,5.2
1966,2.3,5.5,4.4,8.1,11.1,15.3,16.6,17.1,14.6,12.9,5.8,3.2
1967,2,2.7,4.5,6.4,10.5,12.4,16.9,17,14.2,11.4,7.8,4.2
1968,0.2,4.1,3.6,7.8,11.9,14,16.6,15.7,13.5,10.3,7.5,4.8
1969,2.5,3,5.2,6.7,12.3,13.2,15.8,16.5,15.5,11.3,8.7,2.9
1970,4.5,3.7,4.1,7.2,9.3,14.8,16.4,17.5,15,10.1,7.8,5.1
1971,5.1,3,2.9,8.2,12,14.4,16.9,18.7,13.7,10,7.4,4.4
1972,4.8,5.1,6,8.2,10.6,14.9,16.9,17.1,14.2,8.3,7,5.3
1973,4,2.5,3.4,5.4,10.8,14.3,17.1,16.7,15.9,12.1,6.1,4.2
1974,4,4.5,4.8,6.3,10.2,13.6,15.9,18.1,15.1,8.9,6.1,3.2
1975,1.5,1.4,4.6,5.8,10,13.5,16,17.2,16.4,11.1,6.9,4.6
1976,1.7,3.5,3.6,6.2,11.1,14.6,16.7,15.1,12.8,11.3,7,4.7
1977,4.1,5.5,5.4,5.8,10.4,14.1,17,16.5,14,10.7,7.1,2.4
1978,2.2,3.6,4.9,7,10.4,14.7,15.9,16.4,13.8,10,4.1,5.8
1979,1.4,3.8,5.2,6.8,11.4,15.5,16.9,17.6,13.8,11.6,7.8,5.2
1980,1.5,3.1,4.4,5.5,10,13,15.4,17.9,15.6,11.1,7.4,2.3
1981,0.7,1.8,4.9,7.4,10.6,15.2,15.9,17.2,14.5,11.3,4.3,4.6
1982,3.6,1.8,3.4,6.6,11.2,15.5,17.8,17.9,16.5,12.5,7.9,5.4
1983,2.8,1,4.1,6.6,11.6,14.5,19.3,17.8,15.6,10.4,6.9,4.1
1984,2.9,2.4,3.7,6.1,9.9,13.6,16.4,16.6,13.9,11.7,8.1,4.9
1985,1.1,1.4,4.9,7.4,11.8,14.4,16.8,17.3,14.9,11.1,7.9,5
1986,3.2,3.4,6.3,6.8,12.9,15.5,17.2,18.6,14.5,12.2,7.4,2
1987,2.7,3.3,0.6,6.1,9,13.5,18.4,18,16.4,12.3,7.6,4.5
1988,4.9,3,4.2,6.6,11.3,15,19.8,18.7,14.5,12.3,5.3,2.4
1989,1.1,2.5,5.9,7.1,9.9,13.4,17.3,17.5,14.4,8.8,6.1,3.7
1990,2.5,4.2,5.6,7.5,11.3,14,16.7,17.3,14.9,12.8,8.4,3
1991,2.4,1.5,6.5,6.3,9.5,14.4,17.5,18.4,15.5,10.9,7,1.2
1992,1.9,1.3,3,7,11.7,14.4,16.4,19.2,15,12.7,8.6,4.6
1993,1.6,0.8,2.9,7.5,12.8,15.8,16.6,19.2,15.1,11.7,7.3,4.5
1994,4.2,2.7,5.2,7.4,11.1,15.2,19.8,20,17,11.7,7.2,4.5
1995,2.4,4.2,3.3,5.1,10.1,13.9,17.5,16.4,13.2,9.7,5.8,7.4
1996,4.5,1.9,3,6.6,11.8,15.5,16.4,17.7,11.7,9.4,7.6,4.4
1997,4.1,1.7,4.5,4.4,11.3,15,16.9,16.7,14.8,10.3,7.8,3.8
1998,3.1,4.4,2.8,7.6,11.9,16.1,18.5,19,15.3,11.5,6,2.3
1999,2.3,0.5,3.9,7,12.4,15.9,18.2,20,16,12.2,7.3,4.7
2000,0.8,2.1,3.7,8.9,13,16.4,17.8,19.4,14.9,11.5,9,5.6
2001,5.6,3.6,7.4,6.2,13.2,15.1,18.9,19.4,15.2,14,7.8,0.9
2002,0.9,4.9,5.6,8.2,12.4,16.5,17.9,17.2,13.9,11,9.4,6
2003,4.9,0.5,3.3,6.3,13,16.7,19.6,20.4,15.1,12.1,9.3,4.2
2004,2.6,2.9,4.7,8.3,9.9,15,18.1,17.7,14.9,13.1,7.5,7
2005,1.8,1.7,3.9,7.5,13.2,15.8,18.7,17.6,15.4,11.5,7.8,3.5
2006,2.9,3.7,4.4,8.5,12.8,15.1,19.1,17.5,15.7,12.6,5.6,4.7
2007,3.7,5.6,6.4,8.2,13,17.1,19.1,18.9,14.4,10.5,6.8,3.3
2008,4.3,2.9,6.1,8.6,12.6,16.4,19.3,19.5,14.8,12.1,9.2,6.6
2009,5.3,2.5,4.9,9.3,13.8,15.7,19.2,20.2,16.4,11.3,7.5,6
