1901,3.9,2.1,4.1,9.4,14.1,14.7,19,16,13.2,8.8,6.2,2.7
1902,3.9,1.6,6.8,9.4,10.3,14.6,14.9,14.6,13.4,8.8,7.5,4.4
1903,3.1,6.4,5.9,7.5,12.6,14.3,14.8,14.4,12.4,9,5.9,2.6
1904,4.5,1.7,4.7,9,12,15.4,16.8,15.4,12.5,9.5,5.6,4
1905,4.8,4.2,5.9,7.4,13,16.5,17.1,14.5,12.3,7.7,4.5,4.4
1906,4.3,2.1,4.8,8.8,10.5,16.2,16.1,16.7,14.1,10,7.3,3.2
1907,3.9,3.3,7.3,8.5,11.5,12.1,14.9,13.2,13.8,10,6.4,3.5
1908,3.5,4.9,4.2,7,13,15.8,15.7,14.5,12.5,11.7,7.7,4.8
1909,4.4,4.6,3.3,9.4,12.6,13.4,15.1,15.9,12.2,8.8,4.5,2.5
1910,3.2,3.9,6.7,8,13.2,15.3,14.9,15.7,13,10.2,3.6,5.6
1911,4.6,4.6,5.4,9.1,14.7,14.9,18.4,17.8,13.3,8.8,5.6,5
1912,2.7,4.1,6.7,10.3,12.2,13.8,15.2,12.4,11.3,8.7,5.3,5.1
1913,3.1,4.6,5.1,8.4,11.6,14.8,15.7,15.7,13.3,10.1,7.6,3.6
1914,3.7,5.8,5,10.4,11.8,15.8,16.5,16.8,13.5,9.9,6.1,2
1915,2.7,2.9,5.1,9.2,11.6,15.6,14.8,15.3,13.2,8.7,2.8,2.7
1916,6.5,2.7,2.5,9,11.9,12.5,16,16.8,12.8,9.3,6.6,2.6
1917,1.2,2.2,3.1,6.5,13.8,14.8,16.9,16.2,13.2,6.8,7.5,2.9
1918,2.8,6.1,6,8.5,14,14.8,16.1,16.1,10.2,8.9,5.4,4.9
1919,2.6,1.7,2.5,8.6,14.5,14.4,15,15.3,12.2,8.9,2.6,3.7
1920,3.9,5.8,6.6,7.6,12.3,15.2,13.8,14.1,12.6,10.1,7.7,3.1
1921,5.1,4.9,6.3,9.9,12.2,15.7,17.9,14.6,13.8,12.2,5.6,7
1922,3.5,5,5.3,6.4,13,13.9,13.5,13.6,11.9,8.4,6.7,4.5
1923,6.1,4.3,6.4,7.9,9.4,13.2,16.7,14.7,11.8,8.9,3.1,3.8
1924,4.6,4.1,4,8.2,11.4,14.2,15.5,14.1,11.8,9.4,7.2,6.5
1925,4.8,3.5,5,8,11.8,16.1,17.4,15.6,11.1,10.2,3.9,2
1926,4.5,5.3,6.2,10.3,11.1,14.5,17.1,16.3,13.3,7.4,5.5,4.5
1927,3.9,4.7,7.1,8.1,11.4,12.2,16.4,16.1,11.4,10,5.3,1.3
1928,4.5,5.3,4.9,9.1,12.4,12.8,15.2,15.2,12.3,9.5,6.5,3.3
1929,1.5,1.8,7.5,7.9,13,14,16,15.2,14.3,8.5,5.9,4.5
1930,3.6,0.7,4.6,9.2,12.3,16.2,15.6,15.6,12.9,9.3,5.2,4.3
1931,2.9,3.4,3.3,8,11.8,13.3,14.7,14.3,11.4,9.4,6.9,5.7
1932,6.2,4.6,5.2,7.6,11.1,15.5,15.9,15.9,12.3,8,5.9,5
1933,2.5,3.7,6.7,9.6,12.3,16.3,17.8,16.8,14.6,9.7,5.3,3.2
1934,4.9,5.7,4.7,7.7,12.1,15.5,18,15.2,13.5,9.5,5.7,6.3
1935,4.3,4.7,6.5,8.3,11.9,14.5,17,16.6,12.7,9,5.6,2.3
1936,2.5,2.3,5.8,7.9,12.3,15.5,15.4,16.4,13.5,9.9,5.9,5.1
1937,4.2,3.1,2.4,8.9,12.8,14.6,15.5,16.3,13,9.6,5.5,2
1938,4.7,4.7,8.7,10,11.3,13.9,14.5,16,13.1,9.7,7.2,3.8
1939,2.7,5.1,5.6,8.6,12.3,15.6,15.1,16.6,13.4,8.4,6.9,3.4
1940,0.2,2.2,5.4,8.5,13.5,17.8,14.9,16,11.9,8.8,6.2,4.1
1941,-0.1,2.6,3.9,7.1,11.2,15.6,16.3,15,14.6,10.6,5.8,5.5
1942,2,1.8,4,9.9,12.3,14.8,15.8,15.8,12.6,9.5,5.9,6
1943,3.6,6.4,6.9,10.4,12.7,15.1,16.5,15.1,12.5,10.5,6.2,4.4
1944,5.6,4.1,6.5,10.3,11.9,14.3,16,17.1,12.1,8.9,4.9,4.2
1945,0.8,6.2,8.5,10.2,12.4,14.7,16.7,16.9,14.2,11.5,7.3,5.4
1946,3.4,5,6,10.7,13.2,14.4,15.8,14.9,13.2,8.7,6.8,3.8
1947,2.6,-2.1,2,8.1,13.8,15.2,16.6,19.7,13.9,10.9,6.1,4
1948,2.6,4.1,8.7,10,13.2,14.1,15.9,14.4,13,9.7,7.9,5.2
1949,5.1,5.7,6.4,9.9,12.5,16.4,17,16.4,14.9,10.9,6.6,4.7
1950,4.2,3.7,7.5,7.8,12.9,16.3,16,15.7,11.8,9.1,4.7,1.1
1951,2.6,2.6,3.6,7.4,11,15,16,14.7,12.9,10.6,7.4,5.1
1952,1.2,3.7,5.4,10.1,13.6,14.1,16.6,15.2,10.8,8.5,3.9,3.2
1953,4.6,4.9,7.1,7.9,13.6,15.5,15.6,15.8,13.6,10.2,7.7,6.3
1954,3.3,2.1,5.3,9.3,12.3,14.2,14.3,14.3,11.9,10,6.3,5.7
1955,1.5,0.6,4.1,10.6,11.3,14.7,18.5,18.1,13.9,9.2,6.9,4.2
1956,2.8,2,6.4,8.7,13.1,14.3,15.5,13.1,13.1,9.3,6.4,5.6
1957,5.1,3.8,7.7,10,12.2,16.3,15.5,15.3,11.4,10.2,6.3,4.9
1958,3.3,3.3,2.9,8.7,12,14,15.8,15.4,14.7,10.6,7.1,4
1959,1.4,4.6,6.9,9.8,14,15.4,16.6,17.2,15,12.1,7,4.8
1960,3.7,2.8,5.4,10.5,14.4,17.2,15.9,15.8,13.6,9.6,6.2,3.2
1961,3.4,5.5,8,9.3,12.6,14.4,15.2,15.2,13.9,10.1,5.4,1.9
1962,3.8,4.1,3.3,9.2,11.7,15.4,15.4,14.5,11.8,10,5.2,3.6
1963,0.2,0.6,6,8.5,11.1,15.1,15.1,13.9,12.4,10.2,5.8,3.7
1964,4.4,4.2,4.3,9.3,12.9,14.6,15.3,14.7,13.2,9,6.5,3.6
1965,2.3,3.5,4.9,8.8,11.8,14.8,14,14.8,11.8,9.9,3.7,3.1
1966,2.3,2.7,6.2,6.1,12.1,14.7,15.6,14.8,13,9.2,4.9,3.8
1967,3.7,4.6,5.8,9,10.7,15.2,15.4,15.6,13.2,8.9,5.8,4.2
1968,3.7,1.3,6,8.9,10.3,15.7,15.2,16.1,13,10.8,5.8,3.7
1969,3.9,0.7,3.4,8.6,11.2,15.7,16.6,16.8,13.2,12,3.9,3.4
1970,3,2.5,4.3,7.6,12.5,16.7,14.5,16.1,13.1,9.7,5.7,4.3
1971,4.1,4.7,7.7,9.2,12.7,13.7,16.8,15.2,14.3,11.3,6.2,6.8
1972,3.5,3.9,5.8,9.5,12,13.1,16.1,15.2,12.7,11.1,5.7,5.4
1973,4.3,3.9,7,8.2,11.6,15.3,16.6,15.7,13.3,9.1,5.2,4.3
1974,5.6,4.8,5.2,9.8,12.6,15.1,15,15.7,11.5,8.2,5.6,6.2
1975,5.3,4.4,4.7,8.8,11.8,16,16.9,18.2,12.6,10.1,6.4,6.1
1976,4.8,4.5,5,9.2,12,16.4,18,17.8,12.8,9.8,6.2,1.7
1977,2.5,3,6.2,7.8,12.3,14.6,17.2,16,12.3,11.1,4.9,5
1978,2.4,1,5.8,7.1,13.5,15,15.2,14.9,12.7,10.8,7.7,3.4
1979,0.9,1.7,3.5,7.7,10.6,15.2,15.4,15.1,12.7,10.7,6.3,4.3
1980,2.2,4.1,4.1,10.4,14.1,14.9,15.4,15.6,13.6,8.4,6.1,5.5
1981,4.3,3.5,6.3,9.3,12.7,14.1,15.5,16.5,14,7.4,6.7,1.2
1982,2.1,4.7,5.8,10,12.7,15.2,17.5,15.5,12.7,9.9,6.4,3.7
1983,5.1,2.1,5.8,7.1,10.4,14.2,18.2,17.9,12.4,9.5,6.8,5.7
1984,1.9,3.4,4.3,9.8,12.4,15.1,18.1,17.8,12.3,9.8,6.4,5.1
1985,0.8,3.3,4.2,8.8,11.9,13.7,15.2,14.4,12.2,10.5,3.6,4.8
1986,2.6,-0.3,5.3,6.3,11.2,15.3,15.3,14,11.9,9.7,7.1,4.3
1987,1.4,3.6,4.3,9.7,11.6,13.2,16,15.6,12.7,8.6,5.8,5.3
1988,3.5,4.1,5.4,9.1,13.3,16.2,15,15.4,12.7,9.5,6,6.7
1989,6.7,4.9,6.1,7.5,13.6,15.5,18.8,15.8,13.1,10.7,6,3
1990,5.2,4.9,7.2,9,13.6,15.1,16.9,16.5,12.5,10.3,5.9,4.5
1991,2.9,2.9,6.8,8.9,13.1,13.7,17.5,16.8,14.3,9.3,6.4,5.4
1992,4.7,5.6,6.4,8.9,14,16.6,15.9,15,11.8,7.8,6.5,3.8
1993,5,5.8,6.6,9.5,12,14.4,14.6,15.4,12.7,8,4.9,3
1994,3.6,2.2,5.5,8.4,12.2,14.7,17,15.6,12.5,9.7,8.8,5.4
1995,3.8,4.3,4.5,9.4,12.7,16.3,18.3,19,13.2,12.2,7.6,2.4
1996,4.3,3.2,3.9,9.2,10.6,15.7,16.5,16.7,14.1,11,5,3.1
1997,3,5.2,7.6,10.5,12.5,14.3,17.1,18.1,13.5,10.2,8,5.1
1998,4.5,7,6.8,7.8,12.9,14.2,15.5,15.6,13.5,8.7,5.9,5.5
1999,3.8,4.1,6.6,9.5,12.9,14.3,17,15.3,14.9,10.1,7.2,3
2000,4.1,4.4,7,8.2,13.8,14.4,15.9,16.6,14.1,9.8,6,4.4
2001,3.3,3.1,4.3,8,14.1,13.8,15.9,16.1,12.6,11.7,6.9,3.6
2002,5.2,4.5,6.9,10.1,13.1,15.3,15.1,16.7,14.1,8.6,7.3,4.1
2003,3.4,4.5,7.9,11.6,12.3,16.4,17.8,18.1,14.1,8.8,7.7,4.3
2004,3.7,4.5,6.6,9.9,13.7,15.5,16,17.4,13.5,9.2,7,5.1
2005,4.8,3.5,6.7,9.9,11.8,15.5,16.4,16.1,14,11.3,5.9,4.5
2006,4.3,4.4,3.9,8.8,12.7,16.6,19.5,15.8,15.2,11.5,6.8,5.3
2007,4.8,5,6.8,12,12.3,15.4,15.9,15.7,13.3,11.2,7.1,4.5
2008,4.1,5.9,5.5,8.6,14.9,15,17.2,15.9,12.9,8.7,5.8,3.4
2009,3,3.7,6.6,10.7,13,16.7,17.1,16.2,13.8,10.6,6.7,2.4
