1901,4.7,4.2,7.3,11,14.2,16.7,17.7,20.7,16.1,14.1,8.3,5.5
1902,5,5.6,6.4,11.2,15.4,17.1,19.5,20,16,12.7,7.3,4.1
1903,4.8,2.5,6.4,10.2,14.3,17.2,19.6,18.7,15.2,12.1,6.2,6.9
1904,3.6,2.2,5.6,11.8,13.8,16.5,18.4,19.3,16.2,12.3,9.2,5.4
1905,3.3,4.6,9.2,12.2,14.3,17.5,21,18.5,15.7,10.7,8.2,6
1906,3.9,5.3,8.8,11.3,14.5,16.4,21.5,20.4,14.7,12.2,7.3,4.3
1907,-0.4,4.6,6.3,10.9,14.9,17.9,21.1,19.2,16.1,12.2,7.8,5
1908,3.1,4.5,7.5,10.8,14.4,17.3,20.3,20.1,15.2,12.2,8.8,4.4
1910,3.1,5.1,8.3,9.4,15.9,15.3,19.5,18,17.3,12.2,6.9,6.3
1911,2.2,4,7.9,9.9,13.8,15.8,19.6,20.4,15.5,12.5,6.8,5.3
1912,5.6,7.6,8.7,9.7,14.3,16.5,19.1,18,15.7,10.8,8.7,6.7
1913,2,5.9,7.2,9,12.2,15.3,17.2,17.7,14,9.6,7.7,8
1914,5,6.4,8.6,11,14.9,16.1,17.2,18.9,13.6,13.9,8.5,4.2
1915,6.5,7.3,10.7,11.9,16.2,17.5,18.6,19.8,16.4,12.5,6.6,5.2
1916,-1.6,5.7,6.5,9.9,13.4,16.3,15.5,19.2,16.6,11.2,6.5,3.9
1917,4.1,4.8,6.1,10.3,14.1,15.4,17.8,20,16.1,12.2,11.2,5.2
1918,6.8,5,5.9,10.8,12.3,16.3,18,17.1,17,12.9,8.7,6.1
1919,7,5.2,7.7,11.4,12.5,13.7,17.2,19.3,16.9,11.1,7.4,4.7
1920,5.2,7.5,8.2,8.9,11.4,14,19.7,18.3,14.7,10.6,7.8,6.2
1921,3.8,5.6,6.6,10.3,14,15.5,15.5,16.6,13.9,11.7,8.6,3.9
1922,3,3.5,6.4,9,12.6,16.4,17,19,15.4,11,7.5,3.4
1923,4.1,4.3,7.5,12.7,13.1,17,19.2,19.4,16.4,12.9,9.8,5.7
1924,5.2,7.5,8.6,8.6,15.1,16.7,16.6,17,14.9,11.6,6.8,2.8
1925,4.5,5.9,6.9,10.1,14.6,15.5,17.7,18.3,16.1,12,7,7.9
1926,7,7.5,10.8,13.1,12.4,16.2,16.7,18,14.9,12,8.1,5.6
1927,3.7,4.9,7,8,11.6,14.9,17.4,19.3,14.6,9.7,5.4,3.1
1928,5.5,6.7,8.5,10.3,12.7,15.7,17.6,16.5,14.9,10.8,7.8,5.9
1929,3.2,3.6,7.6,9.1,12.4,14.1,15.4,16.9,16.2,11.6,8.1,5
1930,-0.4,5.4,7.9,10.4,12.2,13.5,16.5,19.2,15.5,11,7.2,7.2
1931,7.3,6.8,7.9,11.5,13.3,15.3,18.3,18.4,15.3,11.7,5.9,5
1932,3.7,3.9,8.1,10.2,12.8,15.3,14.6,17.4,14.3,12.3,7.3,3.2
1933,3.6,2.9,6.7,8.8,10.8,12.7,15.1,19.2,12.8,9.8,9.2,3.6
1934,5.9,7.6,10.1,13.2,14.2,15.6,16.3,18.3,15.5,11.6,8.4,5.2
1935,2.3,7.5,5.5,10.4,12.3,14.8,17.5,17.4,16.2,11.6,7,7.4
1936,5.9,1.9,5.8,10.8,14.1,16.6,16.5,18.8,15,13.7,9,6.4
1937,1.4,3,8.9,8.7,12.4,16.5,17.6,16,15.8,13.8,8.4,5.5
1938,6.3,5.6,7.6,11.1,13.3,16.1,19.1,17.3,16.9,12,6.4,5.7
1939,6.1,4.2,7.6,9.5,12.2,14,16.4,17.9,14.6,10.8,10,7.4
1940,6.4,6.7,8.5,11.3,13.9,16.7,17,17.3,17,12.8,7.1,6.6
1941,7.3,8.9,10.8,12.1,13,15.3,19,18,14.6,12.2,9.9,5
1942,6.9,7.4,7.2,10.4,13.4,15.6,19,20.9,17,12.4,6.2,4.7
1943,2.1,6.3,7.4,11.1,11.5,15.8,17.2,17.2,16.9,12.1,9.6,6.1
1944,5.9,7.4,7.4,10.6,13.6,16.1,18.3,17.7,17.2,13.9,8.7,4.8
1945,6.4,6.9,6.5,7.9,14.1,14.4,17.1,17.7,14.5,12.3,5,4.4
1946,5.7,5.4,7,8.4,15.2,15,16,19.1,15.2,10.9,6.8,3.8
1947,3.4,5.9,9.9,11,14.5,15.3,17.1,18.1,14.6,11.2,8.9,6.4
1948,4.9,4.2,7.3,9.7,13.8,17.9,17.1,17.3,15.7,12.2,7.7,4.6
1949,2.9,2.5,7.3,8.4,13.1,13.7,15.6,16.8,16.4,11.6,8.2,5
1950,-1,3.4,6.5,8.4,10.9,15.2,18.8,19.1,16.2,10.9,6.2,6.7
1951,3.4,5.6,4.9,12.6,14,17.1,19.6,20.6,16.5,11.9,7.5,3.1
1952,2.5,5.4,7.5,9,14.1,14.2,17.8,18.7,16.5,14.4,7.3,6.1
1953,4.5,6.6,6.8,10.5,13.8,14.5,17.6,17.7,16.2,11.8,8.3,6.4
1954,1.9,6.2,7.5,7.6,13.5,13.1,15.2,17,15.8,11.6,9.7,5.9
1955,5.4,4.9,4.6,8.8,10,13.1,15,15.8,14.6,9.9,3.3,2.2
1956,3.2,2.4,5.3,10.5,14.8,13.2,17.7,18.7,15.1,9.9,6.9,5.7
1957,2.2,4.4,7.1,10,14.8,15.2,15.6,17.5,17.8,11.9,8.6,6.2
1958,7.2,7.9,8.7,11.7,15.8,17.9,20.8,18.6,14.5,12.2,6.2,6.3
1959,4.1,5.6,6.8,10.7,13.4,14.8,17.9,15.8,14.1,11.8,7.1,6.1
1960,4.6,6.3,7,11,11.7,13.7,18,16.7,15.2,11.9,7.1,6.3
1961,7.3,6.3,7.6,9.9,13.5,16.2,19.2,19.7,15.2,10.7,6.3,4.4
1962,6.4,7.3,6.7,9.5,12,15,17.1,16.6,15.6,12,8.7,7.1
1963,6,9.7,7.7,10.8,14.2,15,16.2,18.5,17,12.1,7,7.1
1964,5.6,7.1,7.3,9,12,14.6,15.7,16.1,14.8,12.3,6.3,2.6
1965,4,5.3,9.4,10.3,12.3,16.1,18.1,18.4,15.9,12.6,8.2,5.1
1966,4.5,6.5,7.6,10.2,11.9,14.2,17.2,17.6,16.2,11.5,7.5,6.4
1967,5.2,6.7,6.4,10.5,13.3,17.2,17.4,20,17.2,11.6,8.3,5.4
1968,4.8,8.2,8.7,8.6,14.3,15,19,17.4,15.3,11.1,8.1,2.3
1969,-0.4,5.2,9,8.5,15.1,18.1,17.1,14.9,14.2,12.3,9.3,7.4
1970,4.6,9.5,9.1,9.1,12.1,16.5,16.6,16.8,14.7,11.5,7.1,3.4
1971,4.3,5.7,5.9,9.4,12,13.1,18.7,18.2,15.2,10.4,7,2
1972,1.9,4.5,6.9,7.2,14.3,14.2,18,18.7,13.7,11.6,8,4.2
1973,4.3,7.4,7.3,10,12.2,13.4,16.6,17.2,16.4,10.4,4.9,5.8
1974,4.5,5.7,7.1,10,11.4,14.1,16.2,18.8,18.2,13.5,7.4,6.8
1975,3.5,4,6.5,8.8,12.5,13.8,17.4,14.3,16.7,10.6,6,5.4
1976,6.1,5.2,5.7,10.3,11.1,13.2,15.2,15.7,16.4,11.6,8.8,7.5
1977,5.9,9.5,6.8,11.3,12.4,14.5,15.4,19.5,15,11.8,5.9,3.8
1978,4.9,7.7,8.6,10.7,12.5,17,18.1,17.2,14.9,12.6,6.5,4.2
1979,3.3,3.7,9.7,11.1,13.1,14.6,18.4,19,16.5,12.6,8,6.3
1980,3,6.8,7.6,11.1,13.1,15.3,16.5,16.3,15.5,13.7,8.7,6.5
1981,8.8,7.2,10.1,9.8,12.8,14.2,17.7,19.1,16.4,11.5,8.7,5.4
1982,3,4.8,7.8,8.9,12.5,17.9,16.3,17,16.1,11.7,6,5.3
1983,7,7.6,10.3,12.4,15.2,14.6,16.7,18.7,15.2,11.5,8,2.9
1984,7.2,7.3,10.5,10,11.5,13.9,17,16.7,15.4,9.9,5.8,3.5
1985,6.5,5.9,7.7,9.5,13.6,15.1,19.5,18.6,16.2,10.9,2.6,4.6
1986,7.3,5.7,9.7,9.5,13,15.5,16.2,19.7,15.7,14.3,8.6,6.2
1987,6,7.8,9.9,10.6,13.2,15.1,17.4,18.2,16.7,12.9,8.7,5.4
1988,5.2,7.4,8.6,10.9,12.8,14,17,17.4,16.3,13.4,7.9,6.2
1989,5.5,3.9,7.6,13.5,14,16.5,17.6,17.6,18.2,12.6,8.6,8.3
1990,6.3,5.3,9.6,12.3,13.2,15,20.1,20.1,18.8,10.7,7.8,4.2
1991,5,8.8,7.8,11.5,13.8,15,17.5,18.9,17.6,11.9,9.2,7.8
1992,7.3,9,11.4,12.3,15.2,16.9,19.1,19.1,14.9,12.3,8.5,4.1
1993,4.2,8.2,9.8,11.1,15,15.1,16.5,19.4,17.4,13.8,8.5,7.1
1994,8.3,5.3,10.1,11.5,14.7,15.6,18.3,19,16.7,12.2,6.7,5.5
1995,6.9,8,8.9,11.5,15.8,17.1,17.8,18.8,17.2,12.5,8,5.8
1996,4.8,7.2,9.8,11,12.2,14.6,18.5,17.8,15.9,11.5,6.2,3
1997,5.4,7,7.3,11,15.6,15.5,17.4,20.5,17.4,11.7,9.7,7.5
1998,5.6,7.8,9.4,11.9,15,16.7,19.5,18.7,17.1,12.5,8.9,5.2
1999,5.9,5.7,7.2,10.7,11.7,13.9,16.9,17.9,16.5,11.7,8.1,6.2
2000,4.7,7.2,8.2,10.4,12.8,15.8,17.9,18,16.5,12.5,8.1,5.7
2001,7.2,6.7,8.3,10.5,11.8,14.8,16.8,17.2,15.6,11.5,8,6.1
2002,5.7,6.3,6,10.3,12.3,15.8,17.4,19.2,16.6,12.1,9.6,6.7
2003,8.3,7,8,10.1,12.8,16.4,17.6,18.1,16,12.3,6.6,5.7
2004,5.7,8,9,12.9,14.5,17.6,18.8,19.8,15.8,12.2,8,6.8
2005,5.8,7.7,9.8,11.3,14.9,16.1,17.5,18.3,16.1,11.6,7,7.1
2006,7,6,7.3,10.5,13.9,16.2,17.8,17.7,16,11.5,6.1,5.8
2007,4.9,6.8,6.9,10.1,12.7,15.3,18.3,18.4,15.7,11.3,7.3,4.5
2008,4.4,6.9,7.2,8.7,13.3,13.9,16.3,17,15.6,11.2,8.9,3
2009,5,5.8,5.9,10.2,12.8,16.9,18.3,18.3,16.7,11.5,7.4,4.8
