1901,6,2.7,7.3,11.2,13,18.8,20.6,20.1,18,12.3,7.2,5.2
1902,5.8,7,9.3,11.9,11,16.5,20.6,20.1,17.1,12.5,9.1,6.9
1903,5.9,7.1,8.7,9.2,13.2,16.4,20.2,20.3,17.6,14.7,9.1,5.9
1904,6.9,7.5,7.6,11.3,14.5,18.4,21.9,21.4,16.5,13.5,7.7,7.4
1905,4.8,4.9,9.6,11.4,12.1,17.9,22.1,20.5,17.1,11.7,8,5.8
1906,6.4,5.2,7.1,8.9,12.8,18.2,20.1,21.2,18.7,14.4,9.2,5.3
1907,5,4.6,7.7,9.8,12.5,17.2,19.1,20.6,18,13.2,9.5,9
1908,6.1,6.6,7.2,9.2,14.8,16.9,19.9,19.7,17.5,14.8,9.6,7.2
1909,4.7,3.8,7.5,11,13.4,15.6,18.6,20.1,16.4,14.6,8,8.1
1910,6,7.6,7.7,9.7,11.8,17.4,19,19.7,16,13.5,9.2,7.7
1911,4,6.6,7.9,8.9,13.2,17.1,21.8,22.4,19.3,13.5,10.1,9
1912,7.1,9,10.4,9.5,14.2,16.8,19.5,18.8,15.4,12.5,6.8,6.5
1913,8.3,7,9.1,9.6,13.4,17.6,19,20,17.1,14.4,11.2,6.2
1914,3.2,8.1,9.3,11.2,12.4,15.5,19,19.3,17.5,12.9,8.5,7.7
1915,5.7,6,7.6,8.9,13.8,18.3,19.8,20.4,16.7,11.7,8,8.6
1916,7.3,7.4,8,10.4,14.1,16.3,19.7,20.9,16.6,13.3,9.9,7.8
1917,4.7,5.8,7.1,8.3,14.3,17.8,20.5,19.9,18.6,12,8.3,4.4
1918,6.2,6.4,7.7,9.1,13.5,16.6,19.8,19.6,17.8,11.1,8.9,7.9
1919,4.9,6.9,8.1,9.1,12.9,17,19.1,20.2,18.6,10.8,6.5,6.8
1920,6,7.2,8.5,10.7,14.6,17,19.3,19,16.9,13.2,8.5,5.5
1921,6.7,6,8.1,9.4,13.3,17.6,21.3,20.6,19.3,15.8,8.6,6.7
1922,6.2,7.3,8.6,10.3,14.9,17.2,18.9,20.8,15.6,13.1,7.6,5.6
1923,6.1,7.9,9.8,12.3,15.9,18,21.1,21.9,17.2,14.4,8.6,5.9
1924,6.3,5,9.2,11.6,16.5,18.6,21.6,18.9,18,13.9,9.9,7.2
1925,6.2,7,5.4,10,13,17.9,19.6,19.9,16.4,13.7,7.4,6.4
1926,7.5,9.7,10.7,12,13,17.2,20.3,21.8,21.2,15.7,11.1,6.7
1927,7.7,7.9,9.6,12.2,15.2,18.4,21.1,21.9,18.8,14.9,10.7,8.2
1928,7.1,8.8,9.3,10.9,13,18.6,23.6,23.6,20.2,15.3,10.6,7.4
1929,4.5,6,8.7,10.3,14.4,19.6,22.2,21.1,20.2,14.9,10.4,9.6
1930,7.8,5.3,8.2,10.9,14.1,19.3,20.9,21.4,19.7,16,12.7,7.9
1931,7,6.1,10,11.3,14.9,20.3,21.1,21.6,17.1,14.6,11,6.3
1932,7.4,3.7,8.7,9.7,13.7,17.7,19.2,22.4,20.1,14.6,11.2,9.2
1933,5.5,7.3,9.5,12.4,15.1,16.4,21.9,23.9,19.9,15.6,8.2,4.9
1934,6.1,6.5,8.8,11,16.4,19.8,22.4,20.8,19.9,15.7,7.9,10.1
1935,4,6.7,7.7,10.4,11.1,17.7,21.2,19.3,18.6,12.6,9.6,7.4
1936,9,7.8,9,9.8,12.2,16.3,19.7,19.9,18.4,10.6,9,6.1
1937,7.7,9.1,8.4,11.2,14.2,18.8,21.4,21.7,18.2,13.7,10.2,5.9
1938,5.5,5,8.1,8.5,11.8,16.9,19.8,20.1,16.9,13.8,10.9,6.5
1939,8,6.4,6.8,10.1,11.4,16.3,19.1,19.4,17.4,13.2,9.9,6.2
1940,4.8,8.4,10,11.3,14.5,17.8,20.1,21.1,18.9,13,10.2,4.8
1941,4.9,7.1,9.3,10.2,12.5,18,21.9,20.2,17.8,13.1,9,5.9
1942,4.6,4.2,9.7,11.3,15,19.4,21.1,20.9,19.4,16.4,9.3,7.4
1943,7.7,7.8,9.2,12.6,15.9,19.8,21.9,22.8,19.8,14.8,8.4,6.6
1944,6.4,4.2,7.4,12.7,15.2,18.7,21.4,23.1,18.7,12,9.6,6.2
1945,2.9,8.3,8.9,12.6,15.9,19.9,22.7,21.2,20,15.3,9.6,7.9
1946,5.2,7.9,7.9,11.7,14.1,17.7,22.1,21.7,19.9,14.9,9.4,5.6
1947,5.1,6.1,10.1,12,15.2,20.8,23.4,23.6,19.4,14.9,11.8,6.5
1948,7.8,6.6,9.9,11.6,14.7,18.9,19.6,22,18.7,14.6,11.4,8.8
1949,6.3,5.2,6.6,11.5,13,17.9,22,22.2,20.8,15.5,9.2,7.4
1950,5.4,7.7,8,9,14,19.4,22.9,21.4,17.8,14,10.5,4.5
1951,6.5,6.8,8.3,10,12.6,18.4,21.3,20.5,19,12.6,10.2,8.1
1952,4.5,5.8,10.3,12,16.1,20.9,23.2,22.4,17.6,15,9.5,7.3
1953,4.7,5.2,8.1,11.5,16.6,17,21,22.1,19.3,14.5,11.1,10.5
1954,4.9,4.9,9.1,10.2,13.5,18.3,19.6,20.3,18.9,15.1,11.7,8.8
1955,9.3,7.1,7.7,11.8,15.2,18.7,22.3,21.9,18.5,13.4,9.2,9.3
1956,7.5,2.7,8.7,10,15.4,16.8,20.9,21.1,19.2,13.5,7.7,6.7
1957,5.5,9,10.1,10.8,12.8,17.2,20.9,20.8,18.8,13.5,8.7,6.6
1958,6,7.9,8.6,9.6,15.3,17.9,20.6,21.7,20.5,14.2,10,8.2
1959,6.3,7.3,9.5,11.4,14.1,18.2,22.5,21.4,18.4,13.5,9.1,8
1960,6.1,7.6,9.8,11.5,16.5,19.9,20.6,21.2,17.6,13,10.3,5.3
1961,5.9,9.2,9.8,12.9,15.2,19.2,21.8,21.2,20,14.4,9.6,8.5
1962,7.8,6,7.5,10.5,13.5,17.9,21.1,22.4,19.2,14.7,7.4,5.4
1963,4,3.6,8.6,10.7,14,17.8,22.1,20,17.1,14.2,11.3,5.7
1964,5.2,7.2,8.2,10.7,16.4,19.6,22.8,21.4,19.7,12.9,9.9,6.4
1965,5.7,3.9,8.9,11.6,15,19,21.1,20.6,16.7,14.8,10,8.5
1966,7.1,9.7,8.8,11.7,15,19.4,20.1,20.4,19.5,14.6,8,8.2
1967,6.1,7.6,10.1,11,14.1,17.6,22.8,21.8,18.7,15.8,11,6.4
1968,7,7.2,8.4,11.4,14.1,17.7,20.9,20.3,19,16.3,10.3,8.1
1969,7.2,5.4,8.7,10.7,14.7,16.8,21.6,21.7,17.5,14.8,9.5,5.7
1970,7.9,7.6,6.9,10.4,14.2,19.7,21.3,21.5,20.5,14.7,12.2,6.1
1971,6.9,7.7,6.6,11.7,14.2,17.4,22,22.8,19.3,15.6,8.3,8.4
1972,6.7,8.1,9.3,10.2,12.9,16.2,20.5,19.6,16.1,13.7,11.5,8.6
1973,7.3,6.6,7.6,9.6,14.8,18.6,21.9,22.1,19.3,13.2,10.4,7.5
1974,8.8,7.6,9.1,10.1,14.1,18.1,20.8,21.4,17.7,10.6,9.7,8.5
1975,8.4,7.6,6.9,10.4,14.6,17.2,21.6,22.6,18.2,13.8,9.5,6.5
1976,6.7,7,8.7,9.8,14.5,20.8,21.5,20.7,17.4,13.1,8.3,7.8
1977,6.4,9.3,9.8,10.4,12.3,16.5,19.2,19.6,18.1,15.5,9.9,8.3
1978,5.3,7.8,9.4,9,13.2,16.6,19.7,20.9,19.6,13.8,9.7,8.6
1979,6.3,7.6,9,9.7,13.8,18.8,21.6,20.9,18.2,14.4,9.1,7.9
1980,5.5,8.3,8.7,9.5,12.8,16.4,18.9,22.2,19.7,13.8,8.4,6
1981,6.4,5.8,10.4,10.9,13.4,18.8,19.3,21.7,19.3,14.9,10.7,8.9
1982,8.9,7.5,8,11.2,14.3,19.7,23.4,20.9,19.7,14.3,10.4,7.9
1983,7.6,4.8,9.1,11,13.5,18.6,23.6,21.2,20,15.3,11.3,7.8
1984,6.8,5.9,7.3,10.1,11.8,17,21.2,20.2,17.3,13.5,11.1,7
1985,2.6,8.1,7.4,11.2,12.4,17.5,22.1,20.9,20.3,15.2,7.5,7.7
1986,5.7,5.2,7.9,8.3,13.8,18.3,22,21.6,19.9,15,9.8,7.7
1987,4.4,7.2,8.4,11.7,12.2,17.6,21.5,21.3,20.9,15.7,10,8.7
1988,8.9,6.8,9.1,10.9,14.2,17.7,21.1,21.9,18.4,15.2,9.9,7.6
1989,6.4,7.5,10,9.8,15.1,19.3,23,23,18.5,14.9,11.2,9.5
1990,7.3,10.4,10,10.1,15.5,18.3,22.1,22.8,19.8,15.6,10.2,5.3
1991,6.4,5.7,10.1,9.6,12.3,17.6,22.3,23.4,20.9,13.3,9.6,7.7
1992,4.7,6.1,9.5,10.8,15.3,15.8,21,22.2,18.3,12.9,11.3,8
1993,6.5,6.1,8.6,10.3,14.6,18.8,20.4,21.7,17.6,12.9,9,8.7
1994,7.7,7.3,11.2,9.8,15.1,19.3,23.2,23.6,17.8,14.4,12.7,8.6
1995,7.3,9.5,9,11.3,14.4,18.5,22.7,22.7,17.8,16.3,11.3,8.2
1996,8.8,6.3,8.5,11.6,14.3,19.5,21.9,21.2,17.2,14.3,10.4,7.8
1997,7.1,9.1,11.8,12.5,14.9,18.3,21.1,22.5,19.6,16.7,11.4,8.4
1998,7.7,8,10.6,10.6,15.3,19.2,22.5,22.5,19,14.1,9.4,7.1
1999,7.3,7.1,9.9,11.8,15.4,18.9,22.3,22.8,20,15.1,8.6,7.5
2000,5.7,9.3,10.5,11.1,16,19,20.8,22.2,19.5,14.6,10.4,9.3
2001,7.7,7.9,11.2,11.7,15.9,20.1,22.3,23.2,18.4,16.7,9.1,5.8
2002,7.2,9.1,10.7,12.1,13.6,19.2,20.9,20.7,18.5,15.2,11.4,9
2003,6.4,5.8,9.7,11.4,15.3,22.2,24.1,24.6,19.2,14.2,11.2,8.1
2004,8,6.7,8.3,10.7,13.7,20.1,21.9,23.1,20,16,9.5,8.3
2005,6.2,4.6,7.8,11,15.3,20.8,22.7,21.7,19,15.8,9.4,5.1
2006,6.1,6.2,9.5,12.6,15.8,19.7,24.9,21.9,19.6,16.9,12.4,7.2
2007,8.5,8.8,9.6,12.7,15.6,19.3,21.7,21.3,19,14.9,9.8,7.7
2008,8.7,8.4,9.8,11.8,14.8,19.3,21.9,22.4,18.5,14.8,9.6,6.8
2009,6,6.9,9.7,10.8,15.9,20.4,22.7,23.8,19.6,16,11.8,7.5
