1901,0.6,7.2,9.2,11,11.6,16.6,18.1,17.9,16.5,12.6,8,4.6
1902,1.4,6.4,6.3,10.4,15,16.9,19.2,19,19.5,14.5,6.7,2.6
1903,1,2.3,4.9,10.5,14.7,15.3,16.9,18.4,15.9,12.1,6.7,4.3
1904,3.6,4.6,6.3,9.8,13.3,16.1,16.8,19.1,16.3,14.5,7.6,2.1
1905,0.3,1.1,4.6,10.7,14.7,16.3,18.8,19.6,18.2,14.2,9.8,2
1906,1.6,3.6,6.4,10,13.2,17.8,18.3,19.7,16.6,13.6,8.6,5.7
1907,2,3.2,4.9,9.6,14.4,16,18.5,18.5,15.7,13.1,6.2,3.9
1908,1.9,3.5,6.5,10.7,14.6,17.1,17.3,18.2,16.4,13.2,7.1,2.2
1909,2.3,4,8.6,9.2,17.5,17.2,19.5,19.5,17,13,8.9,5.5
1910,1.9,4.5,3.4,10.7,13.6,16,18.2,19.2,17.1,11.7,8.1,2.2
1911,0.3,0.8,4.1,9.6,13.7,16.2,18.4,18.5,15.9,13.8,8.1,3.6
1912,1.3,4.7,6.4,10.9,13.1,16.6,17.9,18.6,16.4,13.4,8.4,2.9
1913,2.2,2.9,6.2,8.4,13.8,16.1,17.9,18.8,18,14.2,7.7,2.6
1914,3.5,3.6,7.4,9.1,14.8,16.9,17.7,19.2,18,12.8,7.9,4.1
1915,3.3,4.1,7.1,10.5,14.7,18.1,19.4,19.7,18,13.9,7.8,4.8
1916,2,4.2,7.2,10.8,16.7,19.3,20.3,18.9,16.7,11.9,9.3,4.4
1917,2.9,3.8,7.8,11.3,14.4,16.9,18.4,19.3,17.7,12.7,9.5,4
1918,2.1,3.9,6.4,10.3,14.2,16.6,18.2,19.1,17.9,15.2,10.2,3.2
1919,4.2,5.6,7.7,9.8,13.9,16.3,18.6,19.1,18.5,14.8,10.2,3.5
1920,2.8,2.2,7.2,11.2,16.2,18.2,19.4,19.7,18.1,14,7.1,2.8
1921,1.7,2.9,6,9.9,13.8,16.2,19,19.9,16.6,12.6,8.1,2.8
1922,2.4,3.1,7.1,10,15.1,16.6,20,20.7,17.9,14.5,10.2,3.6
1923,3.5,3.8,7.3,10.3,15.8,19.5,18.8,18.2,19,13.5,9.9,6.3
1924,3.6,5.1,8.1,12,14.4,17.6,19.7,18.8,17.4,12.8,9.1,4.3
1925,0.3,3.6,10.5,9.7,15.7,17.2,19.2,19.9,18.6,14.4,9.8,6.2
1926,3,3.9,6.2,12,15.9,18.4,18.3,17.8,15.7,13.9,8.7,5.2
1927,3.4,1.4,8.4,10.6,16.7,18,19.8,19.4,18.1,15.4,9.8,4.5
1928,4.5,3.4,6.4,14,17.4,18.2,20,20.5,17.5,13.1,9,5
1929,2.8,3.1,6.1,10.8,17.5,17.8,18.5,19.6,17.9,13,10,3.9
1930,2.2,4.7,8.2,12.2,15.3,18,19.2,21,18,14,9.1,6.5
1931,4.4,4.7,8.6,11.6,15.1,17.4,20,20.1,19,15,8.6,3.8
1932,2.6,4.9,8.5,11.8,14.5,18.9,19.6,20.4,17.6,15.8,9.5,3
1933,3,5.9,7.6,9.3,15.3,18.1,17.9,18.9,16.1,12.7,11.4,5.2
1934,2.5,2.7,8.7,12.5,16,18.5,19.2,19.7,17.1,14.5,10.5,4.8
1935,4.2,3.9,9.2,11.1,17.7,19.5,19.1,20.6,18,15,8.6,5.8
1936,3.8,5.7,9,13,15.5,16.5,19.5,20.2,16,16.2,10.7,2.6
1937,0.5,5.4,9.7,12.8,15.2,17.3,19.4,18.7,19.2,15,10,6.4
1938,3.7,3.6,5,12,14.6,17.2,20.4,20.8,17.9,14.3,7.8,5.4
1939,3.4,4.4,6.6,11.7,18.2,17.5,19.4,18.9,18.2,15.9,7.9,5.2
1940,3.5,5.3,6.6,11.8,15.1,18.5,19.9,18.4,17.5,15.1,8.8,5.6
1941,5.5,7.6,7.6,12.1,17.5,18.4,19.6,19.7,17.1,12.6,10.7,3.5
1942,2.5,5.4,8.4,12.8,16.7,19.4,19.1,19.3,16.4,14,10,5
1943,3.2,2.8,4.6,8.8,14.3,16.4,18.9,19.6,17.8,15.6,11.1,6.5
1944,2.7,4,8.4,12.3,13.8,18.5,18.3,18.8,18.1,14.5,8.2,4.2
1945,2.7,2.1,3.9,8.8,16.7,16.6,19.9,20,17.5,12.7,8.5,3.5
1946,2.6,3.1,5.7,11.7,14.8,16.8,19,19,17.7,14,11.4,5.6
1947,3.7,5.4,9.3,12.8,16.3,17.2,19.4,19.5,16.3,14.1,8.8,6.1
1948,4.1,4.2,4.3,10,14.8,17.6,20.2,19.4,17.3,13.3,9,3.8
1949,1.2,1.6,6.2,7.9,15.9,17.5,18.7,18.9,15.6,13.2,10.8,5
1950,1.3,1.6,6.6,12.1,15.7,16,18.7,19.3,15.7,11.8,7.1,4.5
1951,3.5,5.1,8.8,12.2,16.7,18,19.6,20,19,13.8,8,3.4
1952,3.5,5.7,7.1,12,15.6,17.2,19.4,20.7,19.1,15.5,8.8,7.1
1953,3.8,5.4,5.5,11.2,15.8,18.5,20.7,20.6,17,14.9,7.9,1.9
1954,2.7,5.6,10,11.5,16.7,17.3,19.4,20.5,17,13.7,9.9,5.2
1955,4,6.7,7.9,12,15.4,18.3,19.2,18.9,17.3,14.1,8.5,5.1
1956,2.9,5.8,6,10.3,13.2,17.7,19.4,20.7,16.9,12.1,7.6,4.1
1957,1,2.7,6.7,12,14.5,17.5,19,20.3,17.7,14.6,9,4.1
1958,3.5,4.6,9.5,13.1,14.4,16.5,18.7,19.4,16.2,12,7.9,5.6
1959,2.9,-0.3,5.2,11.8,14.9,17.4,17.9,17.4,15.5,11.6,7.4,4.1
1960,3.5,5.4,7.3,11.6,16.1,16.6,18.7,19.5,17.5,13.8,10.3,7.3
1961,3.7,3.1,5.6,10.8,15.2,19,20.4,20.2,15,13.1,7.8,4.6
1962,4,5,9.8,10.5,16.2,19.2,20.4,21.4,18.9,15.1,10,5.4
1963,5.3,6.7,6.7,12.8,14.7,18.7,19.9,20.1,18.4,15.7,8.8,4.2
1964,-0.1,3.7,8.6,10.8,13.8,17.8,19.7,18.6,17,12.3,8.8,4.3
1965,3.9,5.6,8.5,10,14.3,18.9,18.8,21.3,17.5,12.2,8.9,3.9
1966,4.5,5.3,7.2,11.8,16,19,19.1,20.7,17.4,13.1,10.9,5.2
1967,1.7,2.4,4.4,9.6,14.3,16.6,19.1,17.9,16.2,12.9,8.3,4.4
1968,2.6,3.5,6.7,11,15.8,18.5,21.4,19.1,17,13.7,8.7,5.4
1969,3,6.2,10.9,10.9,16.1,19.6,19.2,20.2,18.2,14.7,8.6,5.5
1970,3.7,5.2,7.7,13,15.5,17.8,18.9,17.9,16.7,12.2,9.7,2.3
1971,3.9,4.3,8.1,9.4,16.1,16.7,19.8,19.1,18.3,12.4,8.2,3
1972,2,1.7,7.2,12.7,14.8,17.5,18.7,19.3,17.5,14.9,9,1.4
1973,1.5,6.8,6.3,11,14.4,16.9,19,20.1,17.2,14.3,6.3,3.8
1974,1.3,3.9,7.8,12.7,14.7,18.2,18.8,19.3,15.8,14.2,8.3,2.8
1975,2.2,3.6,6.8,12.4,14.8,17.9,19.8,19.3,17.7,12.2,8,3.4
1976,2.8,3.1,6.9,11.3,14.8,17.8,18.1,17.8,16.7,14.4,8.6,5.9
1977,1.9,6.9,7.3,10.1,15.7,17.6,19.2,20.5,17.1,12,7.2,3.8
1978,3.2,5.3,7.6,11.9,16.6,17.6,21.2,18.6,17.3,14.5,5.7,5.9
1979,4.2,6.6,8.1,13.9,16.2,18.7,18.9,19.4,19.8,14.6,11.2,3.5
1980,3.7,4.1,8,12.4,16.1,18.5,20.5,19.3,17.1,13.8,10.1,5.4
1981,3,4.4,8,11.2,14.8,17.2,19.6,19.4,18.3,14.5,7.1,5.4
1982,4.3,2.9,5.5,13.3,14.7,17.6,18.5,18.7,17.1,13.3,6.1,2.4
1983,0.3,1.9,5.3,9.8,15.2,18,19.6,19.3,16.4,11.9,9,3.9
1984,2.4,4.5,8.6,10.9,15.3,17,18,17.4,17.4,13.2,8.3,3.3
1985,5.4,2.8,7.8,10.8,16.4,17.4,18.1,21.5,17.1,11.7,10.2,5
1986,3.4,5.3,8.1,12.3,13.3,16.8,20.3,20.2,18.8,14,6.7,2.3
1987,3.1,6.3,5.5,10.3,16.2,18.7,20.4,20.5,17.5,12.9,8.8,5.3
1988,2.8,4.5,7.4,11.7,16.1,17.9,19.9,19.2,17.5,13,6.7,4.5
1989,-0.3,1.2,6.8,13,16.5,17.7,19.7,19.7,17.5,12.4,9.2,3.8
1990,1.9,2.2,6.4,11.5,14.6,18,19.6,19.1,17.6,14.4,10.9,7.2
1991,2.5,4.2,8.4,13.7,15.9,18.8,19.6,19.2,18.1,14.2,9.4,2.8
1992,-0.1,1.3,6,10.8,14.9,17.4,18.6,19.7,17.1,14.2,8.4,2.9
1993,1.6,1.8,6.5,11.4,15.5,18.3,19.7,19.8,17.9,14.7,8.8,1.5
1994,5.1,3.7,7.4,13,16,18.1,18.3,19.5,18.6,15.7,8.6,1.8
1995,4.1,4.6,7.7,10.9,16.4,18.9,20.2,20.6,17.9,13.9,7.4,3.4
1996,4,6.1,6.6,10.8,17.5,18.4,22.4,21.3,18.4,12.8,9.2,5.6
1997,3.5,0.8,4.9,10.7,16.6,18.8,19.3,18.6,17.1,14,9.8,5.9
1998,3.3,5.3,7,12.5,17,19.2,21.3,22.6,19.3,14.8,11.3,6
1999,4.1,7.1,7.9,12.3,18.1,20.3,20.1,21.9,18.5,15,9.4,4.8
2000,2.6,3.5,6.7,14,15.8,19.3,22.8,20.4,17.8,12.8,8.5,5.1
2001,3.4,4.1,10.9,13,16.5,19.4,21.4,21.8,18.7,14.1,8.4,6
2002,2,6.9,9.3,12.2,15,18.1,20.7,20.8,18.2,15.5,9.9,5.3
2003,4.9,4.5,6.1,13.1,18.6,18.7,20.4,21.9,18.2,15.2,10.1,5
2004,4,5,9.7,12.3,16.5,17.8,20.7,19.9,18.3,15.9,10,3.1
2005,3.1,4.6,9,13,15.5,18,20.9,20.9,17.2,13.6,8.2,7
2006,3.8,6.2,8.1,12,16.9,20.5,19.8,21.9,18.6,14.4,7,1.3
2007,1.9,5.6,7.2,12,18.1,19.1,20.1,20.8,18.5,15.8,9.5,3.8
2008,0.8,3.1,10.3,13.2,15.9,19.5,20.2,21.4,19.1,14,9.7,4.6
2009,2.3,5.3,6.9,12.2,16.1,19.8,20.2,20.7,17.5,15.5,9.2,6.3
