1901,2.9,2,7,9.5,17,20.9,22.9,22.3,18.9,10.9,4.4,1.6
1902,0.3,0.9,7.9,10.5,18.1,21,23,22,17.8,13.5,10.7,4.3
1903,3,5.3,13,10.3,16.6,19.4,21.8,22.6,18.3,11.5,6.8,-0.4
1904,0.1,2.9,10,10.3,15.6,19.1,21.1,21,17.6,11.8,5.9,3.6
1905,0.8,1.9,10.4,13,18.8,20.7,22.2,21.2,19.9,12.9,7.5,3.4
1906,4.1,3,7.2,11.5,16.3,21.6,20.8,22.1,20.8,11.2,6.1,3.7
1907,7,4.4,12.6,9.3,16.8,19.3,22.8,22.4,19.3,8.9,7.4,4.5
1908,2.4,2.8,12.6,14.4,17.4,20.5,21.2,21.5,17.5,11,8.2,5.4
1909,4.8,4.5,7.9,12.9,16.3,21.4,21.4,22,18.1,9.7,8.7,1.8
1910,2.1,2.3,9.6,10.9,16.4,19.6,21.5,22,18.7,14,5,0.2
1911,4,5.6,7.3,11.8,16,20.9,20.9,21.4,20.6,15.6,6.4,5.2
1912,-0.7,0.5,7.6,13.2,18.3,20.1,21.1,21.2,20.9,12.5,4.2,4.6
1913,7.4,5.1,9.9,9.6,14.6,17.8,21,20.4,16.1,9.7,4.6,3.8
1914,0.8,2.5,3.9,11.5,14.6,20.5,20,21,15.9,12.9,4.7,3.9
1915,1.8,3.8,2.9,9.4,18.1,18.8,20.8,21.4,19,14.1,8.7,1.5
1916,6.5,4,6.3,9.9,16.3,18.5,20.9,21,16,13.2,6.6,4.6
1917,5.4,3.2,9.2,11.7,13,19,20.7,20.2,16.8,9,2.3,-0.4
1918,-1,6.1,11.7,12.8,15.8,19.1,19,21.1,16.1,15.5,6.9,6.8
1919,2.5,5.4,10.7,11.1,17.7,19.8,21.2,21.5,17.4,18.1,9.3,3.8
1920,4.3,3.2,6.8,12.6,15.1,19,20.5,21,19.1,10.5,6.8,3.9
1921,3,5.2,12.4,11.7,15.1,19.6,21.6,21.4,19.7,11.8,10.1,5.2
1922,2.5,8.3,9.8,13.4,17.7,20.6,21.5,20.4,18.6,14,7.9,7.5
1923,4.6,4.2,9.7,11.7,16.2,19.6,20.5,22,19.1,12.2,5.8,7.7
1924,2.6,2.4,6.8,12,15,20.4,21,21.4,17.5,11.2,7,5.6
1925,4,6.4,9.1,12.2,13.9,20.5,21.6,20.2,21.1,13.6,6.8,4
1926,3.3,5.4,5.5,10.5,14.9,20.1,21.1,22,20,12.7,6.6,6
1927,2.5,9,9.5,12.5,15.8,20,20.5,20.7,18.4,13.1,9.4,4.5
1928,1,4.5,9.1,11.4,15.2,19.5,21.5,22.2,18.9,15.1,6.4,4.2
1929,5.1,5.2,11.3,13.5,16.5,18.9,20.3,21,19.4,12.5,10.2,3
1930,4.3,4.9,7.2,12.5,17.7,19.2,22.6,20,20.7,10.3,7.8,2.9
1931,2,3,6.3,11.3,15.5,18.9,22.4,20.8,18.5,12.9,8.6,9.5
1932,8.6,9.5,7.3,11.7,16.3,21.1,22.3,21.9,18.3,13.3,7.7,7.8
1933,6.7,6.3,8.1,11.8,18.7,19,20.6,21.7,19.8,12.7,6.1,7.1
1934,4.3,1.1,8.2,12.6,16.2,21,22.3,22.2,19.6,12.6,7.5,3.5
1935,4.1,3.7,11.5,12.8,16.6,19.8,21.5,21.8,18.7,12.4,9.3,-0.2
1936,1.8,3.7,10.4,12.3,16.5,19.6,22,22,19.6,15.1,7.6,6.5
1937,11.9,5,7.8,11.9,16.3,20.9,21.5,21.7,18.2,12.3,6.4,2.9
1938,3.8,7.9,11.9,12.3,18.3,19.4,20.7,22.3,18.6,11.1,9.8,3.7
1939,4,8,10.8,12.1,15.9,21.9,22.2,21.4,20.4,14,5,3.4
1940,-2.3,3.4,7.7,11.3,15,20.9,21.8,22.5,17.2,11.3,8.2,6.9
1941,3.1,0.8,5.6,13.4,15.1,20.7,22.5,22.9,19,16,7.2,5.4
1942,1.8,1.5,9,10.9,16.7,21,22.8,20.9,18.9,12.1,8.2,3.8
1943,4.2,3.4,8.4,10.8,17.3,21.4,21.9,21.2,16.2,9.2,4.4,2.2
1944,2.3,6.8,9.2,11.8,16.1,19.8,19.8,20,19.9,11.6,7.3,1.4
1945,3,6.9,13.3,15.2,15.5,20.7,22.1,21.3,20.8,12.1,8.2,1.4
1946,4.5,4.3,11.7,12.5,17.2,19.2,21,20.7,18.2,12.8,12,4.8
1947,7,0.2,5.4,14.6,17.2,19.2,20,21.5,18.7,16.3,7.6,4.6
1948,0.5,4.7,11.4,14,17.2,19.9,21.6,20.5,18,10.3,11,6.9
1949,8.3,8.6,8.4,12.1,16.7,20.8,22,22,18.9,16,5.7,5
1950,8.7,5.4,7.1,9.9,17.4,20.8,20.8,20,17.8,14.1,4.2,0.7
1951,2.4,3,9.6,11.4,14.3,19.9,20.6,21.2,18.6,14.5,5.7,5.7
1952,6.5,4,8.2,10.4,16.2,21,20.7,20.4,17.4,8.6,6.1,1.1
1953,3,4.2,8.5,9.6,17.2,19.3,20,19.7,16.7,10.9,4.2,2.4
1954,3.3,3,6.1,12.7,12.5,18,21.4,22,19.2,12.2,5.4,1.6
1955,1.4,4.3,9.9,13.8,17.6,18,21.7,22.1,20.4,11.7,6.3,2.7
1956,0.2,7.5,7.7,11.4,17.7,19.3,21.5,21.2,16.9,15,6.2,7
1957,4.1,7.9,8.2,12.4,17.9,21.1,21.1,20.7,19.7,10.8,8.2,3.4
1959,0.7,6.8,7.5,13,18.1,19.8,21.7,21.5,19.6,16.2,7.7,3.5
1960,2.9,2.4,3,11.9,15.4,19.9,22,21.8,19.6,13.7,7.6,-1.6
1961,-0.3,5.9,10.2,9.2,15.7,19.2,21.4,21.5,19.6,10.9,10.4,4.6
1962,3.4,7.1,7,10.8,18.8,20.6,22.4,21.3,18.6,13.1,6.3,2
1963,1.6,1.1,8.8,12.8,16.4,20.9,21,21.7,17.3,11.5,6.5,0.4
1964,1.5,2.4,8.3,12.3,17.1,21.3,21.5,21.8,18,10.5,8.8,5.7
1965,2.1,5.5,7.3,12.4,17.3,19.4,21.8,22.2,19.5,12.4,7.7,2.7
1966,1.8,3.4,6,10.8,17.8,17.6,22.1,21.7,18.5,12.9,6.3,2.4
1967,4.6,2.4,8.5,13.1,15.8,19.7,20.7,20.3,16,10.7,6,5.6
1968,0.6,-0.8,5,12.7,16,19.9,21.5,21.8,18.1,13.7,5.9,0.8
1969,0.4,1.5,4.4,11.7,15.1,20.3,22.9,20.7,18.5,14.8,4.8,0.1
1970,-1.4,1.5,8.2,13,15.7,18.3,20.9,21.5,19,13.9,4.4,3.6
1971,2.2,2.6,4.3,9.5,13.7,19.5,20.6,20.7,18.7,15.6,7.9,9
1972,6.7,3.3,7.2,12,16.1,17.3,22.2,21.5,20.2,12.3,8.2,7.3
1973,2.9,2.7,11.4,10.3,15.9,20.4,20.7,21.2,20.6,15,8.8,3.6
1974,11,4.1,10.3,11.1,17.5,19.2,20.6,21.2,18.6,10,7.1,4.1
1975,6.8,7.4,7.4,11.1,18.4,20.7,21.1,22.3,19.7,14.3,8.2,3.1
1976,0.7,5.7,10.4,10,14.3,18.1,22.2,20.7,17.8,8.7,4.4,3.7
1977,-1.8,0.3,10.3,11.3,15.8,19.7,21.4,21,19.2,9.6,8.2,3.3
1978,-0.9,-0.4,6.8,11.7,16.3,20.5,22.3,22.1,19.7,10.9,11.5,4.4
1979,0.4,2.6,7.3,12.9,16.6,18.8,22.4,21.4,21.1,11.9,7.4,3.7
1980,4,2.1,7.1,11.2,15.8,20.2,22.6,22.1,20.5,10.7,5.7,3.1
1981,-2.4,3.6,4.7,13.1,14.1,22.4,22.8,21.2,16.3,11.5,6.3,1.7
1982,1.3,6.4,9.4,12,16.9,21.3,22.4,22.2,18.7,13.1,10.3,8.3
1983,2.2,3.8,7.8,9.6,15.3,18.9,22.4,21.7,18.5,14.7,6.8,3.5
1984,2.2,4,7.2,11.5,16.1,19.6,21,21.3,16.9,15.2,4.9,6.4
1985,-1.7,3.7,7.4,10.8,16.4,19.9,20.7,19.8,17.2,16.6,13.9,2.2
1986,0.7,7.1,6.9,9.8,16.1,21.6,23.2,21.7,20.5,14.7,12.5,6.5
1987,1.8,3.1,8.1,8.6,16,20.8,21.6,22.3,19.4,7.7,8.2,2.7
1988,0.4,2,6.7,10.3,14.7,17,21.1,22.5,20.3,9.5,8.3,2
1989,6.5,5.1,9.3,10.5,14.7,20.9,22,21.6,20.3,13.9,7.5,0.5
1990,5.2,8.7,9.3,10.4,15.7,19.7,22.4,22,17.9,14.1,6.9,7.6
1991,6.1,5.2,9.5,14.5,19.9,20.4,22.8,22.5,18.8,12.2,5.1,5.7
1992,3.1,6.1,6.1,10.6,14.5,20.2,22.9,22.3,19.3,11.2,9.8,5.3
1993,6.6,4.2,7.1,9,16,20.5,23.4,21.5,19.1,13.6,8.2,2.8
1994,2.1,5.7,9.5,11.7,15.3,21.5,22.3,20.6,18,13.6,11.2,8.3
1995,3.4,4.4,8.9,12.4,17.3,19.8,22.7,23,19.3,15.7,6,2.8
1996,2.8,3.7,5.4,10,17.1,18.7,21.9,20.6,17.3,11,4.7,4.2
1997,3.8,6.3,10.9,9.9,14,19,21.6,20.4,18.9,12.9,6.2,4
1998,5.4,5.9,7,11.8,17.7,21.4,23,21.7,19.7,13.3,9.9,6.8
1999,3.6,4.5,5,13.4,14.7,19.4,22.5,22.6,17.7,13.4,8.3,3.3
2001,1.1,6.3,7.5,11.4,15.5,20.6,21.4,22,17.7,10.5,9.9,6.7
2002,3.9,3.8,8.4,14.9,15.3,20.6,22.4,21.2,21.6,16.7,6.5,2.5
2003,0.4,3.8,10.3,11.6,17.4,20.2,22.3,22.6,18.5,13.1,9.4,0.8
2004,1.1,3,7.6,10.3,17.8,21.6,22.3,21.4,20,15.2,9,2.6
2005,4.1,4.5,6.2,9.5,14.5,20.9,22.9,22.9,20.4,13.7,8,2.1
2006,5.2,2.8,6.4,12.4,15.2,19.5,21.4,22.7,18.5,11.1,6.8,6
2007,4.6,2.6,8.1,9.8,15.2,20.1,21.4,23.2,19.8,16.4,6.7,6.5
2008,2.9,5.6,7.6,11.3,15.7,21.2,21.8,22.3,19.7,11.9,5.7,6.6
2009,3.2,2.7,7.8,11.3,17.7,21.7,21.4,22.3,19.4,13.9,8.9,4.8
