1901,3.2,0.9,4.2,8,10.3,15.8,16.8,18.5,14.6,9.2,4.8,1.5
1902,2.6,4.5,5.9,8.5,9.2,13.3,17.4,17.6,14,9.2,6.8,3.5
1903,2.9,3.8,5.4,7.8,9.7,13.9,17.7,18.5,14.2,10.8,6.7,1.8
1904,2.3,3.8,3.9,7.9,12.2,14.9,17.7,17.7,14.3,11.3,6,5.2
1905,2,1.6,6.4,9.1,10.1,14.1,17.5,17.8,13.6,8.9,4.9,3.1
1906,3.3,2.1,4.4,6.4,10.2,15.9,17.2,19.2,15.4,10.9,5.6,2.3
1907,1.7,1.6,5,7.5,9.4,15.1,16.3,18.2,15.7,9.3,6.7,5.6
1908,4.2,2.8,3.5,5.8,11.7,13.4,16.8,18.2,15,11.5,7.9,4.5
1909,1.9,1.7,5,8.4,11.1,12.4,16.4,18.5,13.4,10.9,6.6,5.2
1910,2.4,5,3.9,7.6,9.2,14.8,16.5,17.2,14.4,10.6,6.1,4.5
1911,0.3,3.5,4.4,6.2,9.9,13.4,18,18.6,16.6,10.1,6.3,4.7
1912,3.4,6,6.6,7.5,11.8,14.6,15.6,15.7,13.8,9.8,5.3,2
1913,4.8,3.5,5.8,7,10.9,15.6,17,16.9,13.6,10.2,7.3,2.5
1914,1.2,4.3,6,8.1,10.6,13,16.2,17.4,15.8,10.7,5.4,3.9
1915,2.8,3.2,6,6.3,11.9,13.2,17.9,18.7,14.6,9.6,6.9,5.1
1916,3,2.9,3.9,7.4,11.3,14.4,17,18.3,14.2,11.1,5.9,4.5
1917,2.4,3.5,3.8,6.3,11.5,14.5,18.2,16.7,15.4,8.8,5.5,2.7
1918,4.6,3.8,4.4,6.3,11,14.5,17.4,18.6,15,8.2,6.4,3.6
1919,2.3,6.2,5.7,6.6,11,15.9,16.8,19,15.1,8.9,4.9,2.2
1920,3.3,4.4,5.1,8.4,11.1,14.6,15.8,16.6,14.7,10.1,6,3
1921,3.2,4.2,4.8,6.8,10.3,14.6,17.7,17.1,15.7,12.8,5.8,2.2
1922,2.6,3.7,4.2,7.3,12.4,13.7,16.9,17,13,10.6,6.3,1.8
1923,1.4,4.2,6.1,6,10.9,13.2,17.6,18.3,13.9,12.2,4.9,1.6
1924,3.2,0.7,6.2,7.5,12.3,15,16.8,16.5,14.1,11.2,5.6,3.4
1925,2.3,2,2.1,7,9.3,13.5,15,16.9,13.6,10,4.4,4.9
1926,3.2,5.7,5.9,7.7,8.9,13.3,16.6,18,16.8,11.5,5.2,2.2
1927,2.7,2.9,5.3,8,11.9,14.8,15.9,16.9,13.6,11.3,4.7,3.9
1928,1.7,4.4,5.6,6.8,8.8,14.5,18.4,17.4,15.1,10.2,4.8,1.9
1929,2.1,4.3,5.9,8.4,9.7,15.1,17.6,17.5,15,10.3,6.1,4.7
1930,4.5,1.7,5.8,6.8,11.2,13.9,16.6,18.7,15.6,12.5,6.9,5
1931,3.2,3.7,7.4,8.4,10.8,15.7,16.9,16.7,14.3,11.2,6.7,1.5
1932,2.6,2,5.9,6.2,10.3,13.5,15.9,18.3,14.8,9.6,6.7,4.3
1933,2.2,2.7,6.1,9.1,12.8,14,18,20.2,14.9,10.6,3.8,0.4
1934,1.1,1.5,3.5,6.5,11.6,15.5,18.2,16.3,15.3,10.9,3.6,5.4
1935,0.8,1.9,5.8,7.3,9,13.9,18.2,17.2,15.2,8.6,5.5,4.3
1936,5.8,5.8,5.6,7.8,8.9,12.6,16.1,18.4,15.5,8.9,4.6,1
1937,3,4.8,4.8,8.4,10.6,14.3,18,17.9,14.3,11.3,8.2,2.7
1938,2.3,2.3,6.2,8.1,10.1,16.1,16.8,16.6,13.4,10.9,7.6,3.2
1939,5,3.8,4.6,6.9,9.5,13.7,16.9,17.1,15.6,9.8,5.8,3.3
1940,3.1,5.8,7.8,8.5,10.3,13.7,16.7,17.9,14.4,9,5.3,1
1941,2.8,4.5,6.4,7.6,9,14.8,17.9,17.8,16.6,10.9,5.7,1.9
1942,2.4,1.1,7.5,8.2,11.5,14.9,16.9,17.6,15.4,12.6,6.7,4
1943,2.7,3.3,5.9,9.7,12.4,16.9,17.5,19.2,14.1,10.3,4.3,3.8
1944,1.5,0.6,4.5,9.2,11.8,14.9,17.3,17.9,15.2,8.3,5.9,2
1945,0.5,3.4,5.3,10.3,11.9,16.3,16.8,16.2,14.8,12,8.7,5.1
1946,2.3,3.6,6.2,8.5,9.7,14.5,17.7,17.6,14.4,11.1,6.5,2.1
1947,2.3,5,7.1,9.1,10.9,15,18.1,17.7,15.4,11.9,6.7,2.1
1948,4.5,4.3,7.5,8,10.9,14.7,15.9,17.1,14.9,10.4,6.3,5.4
1949,3.1,3.3,4.9,9.4,10,15.4,17.9,19.2,15.5,11.1,6.5,3.9
1950,2,3.5,4.8,6.2,10.1,14.8,18.1,16.4,13.7,10.8,7.5,2.3
1951,3.4,3,5.7,8.1,7.6,15.8,16.8,15.8,14.7,8.4,6.8,5
1952,0.6,2.9,7.1,7.2,10.7,14.7,16.1,15.8,11.8,11.4,6.6,3.6
1953,2.2,2.8,5.3,8.5,12.3,13,17.5,18.2,14.9,10.1,8,6.3
1954,1.6,2.1,5.6,6.2,10.9,14,16.2,16.2,14.7,11.9,9,4.2
1955,8,5.2,5.2,8.4,12.5,15.2,17.2,18.2,15,10.7,8.3,6.2
1956,4.8,0.6,5.3,7.3,9.7,13.7,16.2,16.5,13.9,11.8,3.4,-0.7
1957,0.1,5.1,7.4,5.7,9.4,13.4,17.4,17.8,16.1,9.5,4.7,1.3
1958,3,5.5,5.8,6.3,11.6,13.6,16.2,17.2,16.1,9.9,4.9,6.5
1959,6.1,3.3,7.7,8,10.5,14.8,17.8,17.3,14.8,11.5,6.1,5.3
1960,3.5,5.3,7.2,7.7,11.9,16.4,16.9,15.8,14.1,9.4,7.6,2.6
1961,2.4,6,6.7,8.4,12.4,15,17.4,18.7,15.8,9.9,6.2,4.9
1962,4,2.6,6.2,8.2,10,15.1,16.5,18,15.9,13,4,2.3
1963,4.4,3,5.6,7.7,10.8,13.9,16.9,15.9,13.5,11.1,7.4,3.9
1964,2.8,4.6,5.9,7.1,13.3,14.9,17.8,17.6,17.6,8.9,5.6,1.2
1965,2.3,1.8,6.2,7.6,11.8,16,15.4,16.8,12.5,11.7,6.1,4.5
1966,5.8,5.4,3.7,7.5,11.8,14.1,16.4,16.8,15.9,9.5,3.2,2
1967,1.9,3.8,6.5,6.3,9.3,14.2,17.2,16.7,13.7,11.7,6.5,1.5
1968,1.4,4.5,5.3,7.3,9.6,14.4,17,16.5,14.3,11.9,7.3,4.5
1969,4.3,3,5.7,7.2,9.8,13.3,18.4,17.3,12.7,11.7,5.4,2.3
1970,5.7,3.7,3.6,6.9,10.4,14.2,17.5,16.6,15.8,8.9,7,0.1
1971,2.6,4.2,3.1,7.8,9,12.3,16.9,16,15,12.5,4,3.2
1972,1.9,4.3,5.5,7.5,10.1,13.5,16.6,16.9,13.1,10.1,7.3,3.8
1973,2.2,2.3,3.1,7.1,11.5,15.5,17.3,19.5,13.3,10.2,6.3,0.9
1974,4.5,3.6,5,6.3,10.5,14.5,18.2,17.3,13.2,7.4,6,3.2
1975,3.8,5,3.8,6.3,8.8,13.8,17.5,17.7,12.7,11.1,5.4,2
1976,-0.1,4.5,4.5,6.6,10.9,16.5,18.2,18.2,13.4,9.3,3.3,5.9
1977,4.5,5.5,5.6,7.5,9.9,12.3,15,15.3,15.5,11.1,5.7,6.7
1978,3.4,4.4,4.6,6.4,9.1,12.6,16.9,16.9,16,9.8,6.2,6.4
1979,5.8,5.3,5,6.7,10.4,15,17.8,17.5,15.5,11,4.9,3.2
1980,2.8,4.8,5.6,7.2,9.8,14.1,16.6,17.7,16.6,10.4,5.7,0.6
1981,0.8,1.9,7.1,7.1,9.5,16.2,17.4,17.8,15.3,11,7.8,5
1982,5.2,4.9,5.7,7.9,11.3,15.4,16.6,17.7,15.2,9.4,6.4,3
1983,2.6,2.7,7,6.8,9.1,16.2,16.2,16.9,16.5,12.7,10.1,4.4
1984,3.3,2.6,3.7,9.8,7.5,14.1,17.7,16.9,14.4,9.9,7.1,4.6
1985,1.5,6.2,3.9,8,9,15,17.8,17.4,17.6,11.7,5.7,4
1986,2.7,3.6,5.1,4.2,12.2,14.8,18.2,16.8,16.6,12.3,5.9,2.6
1987,2.8,4,6.5,8.9,10.5,15.1,17.3,17.9,16.9,9.7,6,6.3
1988,4.8,3.9,5.5,8.2,10.2,13.6,17.5,17.6,15,11,7.9,2
1989,2.1,4.4,6.3,6.5,12,15.1,19.8,18.6,14.5,12.5,8.3,7.6
1990,3.2,6.6,6.7,7.3,12.9,15.4,19.2,19,16.8,11.1,5.6,3.1
1991,2.8,2.9,6.9,6.5,9.7,15.7,18.3,19.9,16.6,9.2,5.4,4.1
1992,1.2,2.8,5.6,7.9,12.3,12.8,18.6,18.5,14.4,9.4,6.6,4.5
1993,1.2,2.4,5.5,7,10.3,14.7,17.8,17.6,13.4,8.7,5.8,3.7
1994,2.2,3.4,6.9,6.2,11.2,15.7,18.1,18.2,13.2,12,7.4,3.8
1995,2.7,4.2,5.4,8,12.3,14.7,18.4,18.4,13,12.5,9.1,6.5
1996,6.4,2.9,5.9,8.8,10.9,16.4,17.9,16.4,13.9,10.8,6.9,5.5
1997,4.5,5.5,7,10.1,11.6,13.9,17.1,18.1,16.6,13.4,7.9,4.9
1998,4.6,6.3,6.9,7.1,11,15.2,18.2,19.2,15.5,9.6,6.2,1.5
1999,2.5,2.2,6,8.2,12.2,15.3,18.6,18,14.9,11.7,4.2,3.8
2000,0.7,4.8,6.3,7.3,12.1,16,17,17.7,14.8,10,6,5.3
2001,5.3,5.5,8,8.2,11.1,16.2,17,18.3,14.9,12.6,4.9,2
2002,4.5,3.7,6.7,7.9,10,15.6,16.6,16.3,14.7,11.9,7.5,6.5
2003,3.3,3.8,7.4,8.5,12.2,17.2,17.2,19.9,15.6,11.6,8.1,4.6
2004,5.3,5,5.8,7.3,10.6,17.5,18.7,18.2,15.2,11.6,4.8,3.3
2005,0.2,0.3,5.5,7.8,12.2,17.4,18.4,18.4,14.4,11.6,5.9,3.6
2006,2.1,2.9,6.6,9.3,12.4,16,18.9,18.1,16.1,13,9.5,4.1
2007,2.9,6.2,5.5,8.2,11,14.4,17,16.7,15.3,10.6,4.8,3
2008,4.4,6.1,5.7,8.3,10.8,15.3,17.1,17.2,14.7,10.5,4.9,3.1
2009,3.6,4.4,7.1,7.4,12,16.5,17.4,19.1,16.6,12.4,6.9,3.6
