1901,2.1,0.1,3.9,8.9,12.1,18.4,20.4,21.3,15.3,9.1,3.6,0.4
1902,1.8,3.3,6.3,8.7,10.7,14.6,20.6,19.6,15,9.4,6.2,2.5
1903,1.8,4,5.9,8.9,10.4,15.1,20.2,21.3,15.3,10.9,6.5,0.7
1904,1.7,3,3.8,9.4,14.6,17.3,21,20.4,15.2,11.9,5.1,4.1
1905,1.3,1.7,6.3,9.9,11.6,15.4,20.6,19.5,14.3,9.2,3.6,2.2
1906,2.9,1.6,4.8,6.5,11.8,17.9,20.3,22.4,16.3,10.8,5.1,1.8
1907,1.3,1.7,6.7,7.8,10.7,17.7,19.5,21.3,16.9,8.4,5.7,4.3
1908,3.3,3.1,3.3,6.3,14.4,15.3,20.3,20.6,16.6,12,7.1,3.3
1909,1.1,1.3,4.2,10.2,12.9,13.5,20.2,20.9,14.6,11.2,5.1,3.8
1910,1.5,4.1,4.2,7.6,10.1,16.2,19.3,19.6,15.6,10.2,5,3.2
1911,-0.2,3.4,3.8,6.6,11.1,14.6,21.6,21,18.1,9.4,5.3,3.6
1912,2,5,6.4,8.3,13.6,16.1,17.9,17.9,15.2,9.6,4.9,0.9
1913,3.3,2.9,5.7,7.4,12.3,18.2,20.7,19.5,14.2,9.9,6.3,1.4
1914,-0.1,3.6,5.7,9.2,12.1,14.6,19,20,17.7,11.2,4.4,2.5
1915,1.6,2,5.8,7,12.8,13.7,20.8,21.4,15.9,9.9,5.7,4
1916,2.4,2.2,3,8.2,12.5,16.3,19.9,21.1,15.6,11.6,5.1,3
1917,1,2.2,3.4,6.8,12.7,16.6,21.4,18.8,17.3,8.8,5.5,3.3
1918,3.2,3.8,4.3,6.5,12.9,17.4,20.6,22.1,15.7,8.3,5.4,2.7
1919,1.5,4.8,4.9,7.3,13.2,18.9,19.6,22.1,16.3,8.9,3.7,1.5
1920,2.4,3.9,5.5,8.7,12.6,15.8,18.4,18.5,15.9,9.5,4.7,2.1
1921,2.5,3.5,5.3,8,11.7,17.7,21.1,19.8,17,13.1,5.2,1.9
1922,2.3,4.1,4.1,7.4,15.5,15.6,19.5,20.2,14.1,10.9,5.7,1.6
1923,1.2,3.7,6.7,6.3,12.2,15.7,20.6,21.5,15.4,12.8,4.3,1.2
1924,2.9,0.5,6,8.8,13.9,17.5,20.2,19.6,15.4,11.8,5.3,2.9
1925,2.6,2,3.3,7.4,10.7,16.2,17.8,19.6,15.4,11.4,4,3.6
1926,2.2,6.3,6.8,8.3,10.5,15.7,20.2,21.8,19.7,12.5,5.1,1.8
1927,2.3,2.7,5.4,9.8,13.2,16.6,18.2,18.8,15,12.3,4.8,3
1928,1.4,5,5.5,7.1,10.2,17,22.1,20.3,16.1,10.7,5.1,1.6
1929,1,3.7,6.8,9.8,10.8,17.2,20.2,20,16.2,10.9,5.4,4
1930,3.2,1.2,6.2,6.9,13,15.7,19.2,21.3,17.4,12.9,6.6,4.3
1931,2.6,3.5,7.2,8.9,11.9,18,19.9,19.2,16,11.8,6,1.4
1932,1.9,1.7,6,6.6,11.5,15,18.8,21.4,16.2,10,6.5,3.3
1933,1.4,2.7,6,10.7,14.5,15.7,22.1,23.6,16.9,10.9,3.7,-0.5
1934,0.9,2.4,3.7,6.8,13.9,18.4,22,19.1,17.3,12.4,3.3,4.4
1935,0.8,2.6,6.8,8.6,9.6,16,21.7,19.8,17.7,9.6,5,3.7
1936,5,5.1,5.1,7.9,9.9,14.3,19,21.8,17,9.4,4.5,0.8
1937,2.1,4.9,4.3,9.2,12.8,16.7,21.7,21.6,16.2,12.1,7,1.5
1938,1.9,2.5,8.2,9.7,11.1,18.8,19.9,19.7,14.9,11.8,7.5,2.5
1939,4.2,3.9,5.3,7.6,11.2,15.2,19.8,20.2,17.5,9.5,5.5,2.2
1940,1.5,5,7.9,9,11.9,15.9,19.7,21.2,16.1,9.1,4.9,0.9
1941,2.2,4.5,6.9,8.1,9.8,17.3,20.7,20.4,18.3,12.3,5.5,1.8
1942,2.7,1.7,7.7,9.3,13,17.9,20.6,20.3,17.2,13.2,6.1,3.3
1943,1,3.8,6.6,11.4,15.2,20.3,20.7,22.4,16.5,11.4,5.1,3.6
1944,1.6,1.7,6.2,10.5,13.9,17.6,20.5,21.2,17.2,9.3,6.5,2.3
1945,0.4,5.3,8.1,12.3,14,19.3,21.3,19.3,18.4,13.3,7.7,4.6
1946,1.8,4.2,6.3,8.5,10.2,16.9,21.4,20.6,17.3,12.9,6.6,2
1947,2.2,3.8,7.7,10.9,12.9,18.8,22.5,21.1,17.3,12.8,8.7,2.2
1948,4.6,4.9,9.6,8.8,11.9,18.2,20.3,20.5,18.3,12.3,7.9,5
1949,3.5,5,5.9,11.7,12.1,18.1,22.1,22.8,16.7,12.2,6.7,3.4
1950,2.6,4.6,6.9,9,12,17.7,21.9,19.9,16.6,12,7.7,1.7
1951,3.1,2.9,6.3,8.9,9.4,17.6,20.5,19.1,17.5,10.1,6.6,4.6
1952,1.1,3.5,8.6,8.9,12.9,18,19.8,19.1,14.1,12.3,6.7,3.3
1953,1.8,2.5,6.1,8.9,15.1,15.9,20.4,22.1,16.9,10.6,7.4,6
1954,1.1,2.5,5.8,7.4,12.8,16.3,20,19,17.1,13,8.2,3.5
1955,6.3,4.2,5.3,11.1,15,17.7,20.9,21.4,17.1,11.7,6.9,5
1956,4.2,0.5,5.8,7.4,12.4,16.2,19.3,19,15.8,11.5,4,0.8
1957,0.2,5.6,9,7.4,11.4,16,20.5,21,17.6,10.8,4.6,1.6
1958,3.4,5.5,6.1,7.7,13.9,15.7,19.8,19.9,18.5,11.2,5.8,4.8
1959,4.6,3.6,6.9,8.6,11.8,17.1,21.2,19.9,16.1,11.4,6,4.3
1960,3.1,4.5,7,9.1,13.9,18.8,19.6,18.7,16.5,9.1,6.6,2.2
1961,1.8,7.7,10,9.7,14.8,17.8,20.5,21.7,17.8,10.5,5.7,4.6
1962,3.9,4.3,5.1,9,13.2,17.9,20.3,21.8,18.1,13.1,3.6,1.8
1963,2.4,1.3,5.6,8.6,13.1,16,20.4,19,15.6,14.1,6.5,1.9
1964,1.8,5,5.2,8.7,16.8,17.1,21.2,20.6,19.4,10.7,7,1.9
1965,2.4,1.9,6.2,9.3,15.3,18.7,19,20.7,14.1,11.3,4.9,3.7
1966,5.2,5.2,6.3,8.5,14.3,16.1,20.6,20.5,18.7,9.5,3.4,3.3
1967,2.6,4.1,8.6,8.2,10.4,16.1,22.3,20.3,15.9,13.1,6.1,2.1
1968,3.8,3.7,5.1,8.2,12.2,18.4,20.5,19.9,15.6,14.6,6.6,3.3
1969,3.8,1.8,5.1,8.6,11,15.2,22,20.4,13.5,12,5,2.1
1970,3.9,4.2,4.4,9.2,13,16.4,21.1,19.5,19.3,11.6,8.4,0.5
1971,1.8,5.2,2.9,8,9.9,14.3,19.7,18.3,17.4,13.9,5.3,3.9
1972,1.2,3.4,5.2,8.6,11.4,15.9,19.8,18.9,13.7,9.5,6.6,2.9
1973,3,3.7,5.7,9.2,12.6,16.9,19.6,22.4,16.3,10.9,7.2,2.1
1974,4.2,3.3,5.6,7.3,13,16.3,20.9,20,15.8,8.8,6.9,4.7
1975,4.6,4.8,3.8,8.5,10.4,16.4,21.3,20.4,14.6,12.5,5.9,1.3
1976,1.5,4.5,6.3,7.4,13.8,19.6,20.9,20.6,15.1,9.6,4.6,4.6
1977,3.4,5.4,7,9.3,11.3,14.4,17.6,18.2,18.2,12.4,5.8,6
1978,2.8,5.2,6.7,7.4,10.7,14.4,20.5,21.1,18.9,11.6,6.6,5.7
1979,4.8,4.9,5.1,7.5,12.6,18,21.2,20.7,17.7,10.9,5.7,3.9
1980,3.2,5.3,6.2,8.2,11,16.5,19.8,20.9,19.1,11.7,5.8,1.8
1981,4.2,3.9,8,7.7,11.1,19.1,20.6,21.3,17.5,12.6,9.9,4.5
1982,4.9,4.9,7,9.6,13.6,17.8,20.1,20.9,16.7,10.6,6.4,3.4
1983,4.5,2.7,8.5,7.3,10.1,18.9,20.1,19,19.9,13.6,8.8,4.4
1984,2.9,4,3.8,11.2,7.7,16.1,21.6,19.6,17.1,11.6,6.3,3.9
1985,1.1,5.9,5.1,9.7,11,17.7,22.2,21.2,21.2,14.6,5.7,3.6
1986,2.4,2.8,6.1,4.9,14.9,18.1,22.7,20.1,17.7,13.2,7.1,3.6
1987,2.6,4.2,8.1,10,13.3,17.9,20.3,22,20.4,9.6,6.7,5.3
1988,4.2,4.2,7.9,8.6,11.6,14.6,20.1,21.6,18.8,12.3,7.4,3.9
1989,3.9,5.6,8.8,6.9,15,18.4,23.5,22.2,16.7,13.7,7.9,5.8
1990,3.2,7.7,7.9,7.7,14.5,19,22.9,22.7,18.8,11.3,6.4,2.5
1991,3.2,3.4,7.3,8,12.3,18.6,22,23.7,18.9,9.9,6.3,3.8
1992,1.6,4.3,7.9,10.1,15.1,14.1,22.4,22,17.4,10,7.9,4.4
1993,4.3,4.1,7,8.2,11.6,17.5,21.2,21.4,15.1,8.4,5.6,3.8
1994,3,4.4,9.7,8.3,12.8,18.7,22.8,22.1,15.5,12.5,8.2,4.5
1995,3.9,5.5,7.7,10.8,14.9,18,22.3,21.7,14.9,14.2,8.4,5.1
1996,3.5,3,6.4,10.2,12.2,19.4,21.6,19.8,15.5,12,7,4.3
1997,2.9,6.8,10.8,12.2,12.9,15.3,20,21.2,19,14.1,7,4.1
1998,4.4,6.6,9.5,7.4,12.5,18.2,22.1,23,17,11.5,7,2.7
1999,3.2,4.2,7.1,9.9,14.1,18.2,22.5,21.5,16.5,11.7,5.9,3.4
2000,1.7,7.1,8.3,6.9,14,19.2,20.1,21,17.7,11.7,5.8,4.9
2001,4.5,5.7,8.4,10,13.3,19.6,20.3,21.3,17,12.9,4.9,1.4
2002,4.3,5.3,7.4,9.2,11.5,18.1,20.2,19.7,16.1,11.9,6.6,5.5
2003,3.4,3.6,8.4,9.5,15,20.9,21.6,23.6,18.3,10.9,7.3,4
2004,4.9,4.9,6,8.8,12,20.8,21.9,20.4,18.3,12.2,5.4,3.7
2005,2.3,2,6.9,9.9,15.1,21.3,22.4,22.4,17.5,12.5,5.9,3.5
2006,2.5,3.4,7.5,10.9,15.6,19.4,23.2,21.3,18.5,13.4,8.9,4.7
2007,3.7,6.2,6.7,9.7,13,16.5,20.5,20.1,17.8,12,6.5,3
2008,5.3,6.5,7,9.8,11.9,18,20.7,21.3,16.4,11.5,5,3.2
2009,3.1,4.8,8.9,8.7,15,19.4,21.4,23.3,19.6,14.5,7.7,3.3
