1901,7.3,5.8,8.5,11.3,13.3,18,18.2,20.2,17.1,13,9.8,6.6
1902,7,8.6,9.5,11.6,12.2,15.6,18.4,19.6,17.6,13.2,10.9,7.8
1903,7.2,7.7,9.3,11.3,12.4,16.3,19.2,19.8,17.6,15,10.6,6.5
1904,6.2,7.7,7.8,11,14.7,17.1,18.9,19.2,17.4,15.5,11.4,9.5
1905,6.2,6.6,10.2,12.2,13.5,15.8,18.9,19.8,17,13.4,9.6,7.6
1906,6.7,6.1,8.6,10.1,12.9,17.8,19.1,20.4,18.4,15,10,5.9
1907,5.6,5.4,8.6,10.8,12.7,17,17.7,19.8,18.9,13.3,10.7,9.4
1908,7.9,6.6,7.9,9.9,13.9,15.4,18.2,19.3,19,15.6,12,9
1909,6.2,6.3,8.9,11.4,13.8,14.6,18,19.1,16.1,14.9,11.3,9.7
1910,6.9,8.2,7.4,10.5,11.5,16,17.7,18.1,17.3,14.8,10.6,8.8
1911,4,7.1,8.2,9.5,12.3,15.3,18.5,19.6,19.4,13.8,10.4,9.1
1912,7.5,10.1,10.5,10.2,14.2,16.4,16.5,17,16.7,13.3,9.6,7.2
1913,8.5,7.7,9.1,10,13.1,17.4,17.4,17.8,16.2,14.2,10.8,7.4
1914,5.3,8.2,9,10.7,13.3,14.5,17,18.5,18.6,14.3,10.2,8.4
1915,6.3,7.6,9.5,9.5,13.7,16.4,19.6,20.2,17.6,13.2,11,8.7
1916,6.6,7.2,8.2,10.2,13.6,16.3,18,18.8,17.2,14.8,10.5,9.1
1917,6.5,7.4,7.8,9.5,13.7,16.4,19.5,18.5,18.6,13.5,9.3,5.2
1918,8.6,7.5,8.2,9.6,13,16.6,18.8,19.4,17.9,12.1,10.5,7.5
1919,6.1,9.6,9.1,9.9,12.7,17.2,17.8,20.6,18.1,12.9,9.8,6.1
1920,6.9,8.6,8.7,11.9,14.7,17.3,17.9,19.4,18.6,13.8,10.6,7.7
1921,6.9,7.5,8.6,10.3,12.6,16.2,19.3,19,17.9,16.3,10.4,6.1
1922,7.2,7.7,8.1,10.5,13.9,16.3,19.1,19.4,16.8,15,11.1,7.2
1923,4.6,8.3,9.4,9.3,13.6,15.3,19.4,20.6,17.2,15.9,10.1,5.3
1924,7.1,6,9.5,11.2,15.4,18.2,19.4,19,17.8,14.7,10.7,8.4
1925,6.9,7,6.5,10.3,12.6,14.8,17,19.6,17.5,14.9,9.7,10.2
1926,8.2,10.2,10.4,11.7,12.4,16.3,18.9,20.4,20.4,16.5,9.6,7
1927,6.9,7,9,10.6,14.3,17.4,17.6,19.4,17.7,15.5,9.5,8.8
1928,5.9,7.9,9.5,10.5,11.7,16.5,20.9,19.9,18.9,14.5,9.2,7
1929,7.1,8.5,9.3,11.4,12.5,17.2,19.6,19.4,18.1,14.3,10.3,8.9
1930,8.3,6.1,9.3,9.8,13.2,14.8,18,20.4,18.6,16.5,11.7,8.4
1931,6.5,7.2,10.5,11.3,13.2,17.3,18.1,18.1,17.3,15,11.4,6.2
1932,6.8,6.5,9.7,10.1,13.2,15.5,17.7,19,17.4,13.3,10.8,8.8
1933,6.5,7.2,9.3,11.8,15.3,15.8,18.5,21.4,16.9,14.9,8.2,5.7
1934,5.4,5.7,7.4,10,13.1,16.7,18.6,17.9,18.1,14.4,9.3,9.9
1935,5.2,5.9,9.3,11.1,12.2,16.2,19.4,19.2,18.1,12.9,10.2,8.4
1936,9.7,9.4,9.3,11.5,11.3,14.6,17.6,20.2,18.9,13.3,9,6.4
1937,7.9,9,9.1,11.8,13,15.6,19.4,18.8,17.5,14.4,13.1,7.8
1938,6.1,6.9,9.4,11.1,13.4,18.3,18.7,18.2,16.2,14.7,12,7.6
1939,8.6,7.5,8.3,10.3,12.6,15.8,18.9,18.3,17.6,14.2,10.3,8.5
1940,7.6,9.7,11.5,12.4,13,15.8,18.2,19.7,18,13.4,10.2,5.7
1941,6.7,8.1,9.4,10.8,11.8,16.3,19,19.9,19.5,15.5,10.4,6.7
1942,5.8,5.4,10.5,10.7,14.1,16.1,18.5,19,18.1,16.2,11.9,8.8
1943,7.9,7.5,9.5,12.8,14.5,18.6,18.3,20.9,16.6,13.5,8.2,7.6
1944,6.1,4.9,8.5,12.8,14.6,16.9,18.5,18.7,17.9,12.1,9.9,6.2
1945,3.8,6.8,9.3,14,14.4,18.3,17.9,18.1,17.8,16.1,13.2,9.5
1946,6.5,7.5,8.8,10.9,11.9,16.8,20.3,19.7,17.5,14.6,11.5,6
1947,6.1,8.7,10.7,12.6,12.8,16.4,18.7,18.5,17.8,15.3,10.9,6
1948,7.5,8.3,10.5,11.2,12.6,16.7,17.9,19.1,17.5,13.9,11.4,9.7
1949,6.3,7.4,9.3,12.3,12.6,17,18.6,20.8,17.7,15.1,10.7,7.7
1950,6.5,7.1,8.9,10.1,12.8,16.8,19.5,18.3,16.8,14.3,11.3,6.5
1951,6.1,6.8,9.8,10.9,10.7,17.3,18,17.9,17.1,11.8,10,8.9
1952,4.4,6.8,9.9,10,13.2,17.1,17.8,17.6,15.3,13.7,10.2,6.5
1953,5.9,6.2,8.9,11.9,14.4,14.9,18.9,19.8,17.9,13.7,12.2,9.3
1954,4.8,5.4,8.8,9.8,13.5,15.6,18.1,18,16.7,15.3,12.7,8.4
1955,10,8.7,8.8,12,15.1,17.3,17.9,18.7,18.5,14.6,12.6,9.5
1956,6.7,4.7,8.2,10.2,12.7,16,17.6,17.9,15.9,14.9,7.8,5.2
1957,4.2,7.6,10.3,10,12.4,15.1,19.5,19.7,19.1,13.5,9.5,5.8
1958,6.3,9.5,8.1,9.9,13.6,14.9,17.7,18.6,17.9,13.4,9.2,9.8
1959,8.8,6.2,9.8,10.5,12.8,15.8,19.1,19.1,17.2,14,9.7,7.9
1960,5.9,8.9,10.1,10.9,14.4,17.7,18.8,17.9,17.7,13.5,11.1,6.3
1961,6,7.5,9.1,12.1,15,16.9,19.6,20.5,18.7,13.5,10.2,9.2
1962,7.8,5.7,9.8,11.1,12.8,15.8,18.2,19.5,19.1,15.9,7.9,6.7
1963,8.8,6.9,8.4,10,11.5,15.2,16.8,16.6,14.8,12.9,11.2,8.7
1964,6.6,7.7,9,8.7,13,15.6,17.6,17.8,18.6,12.5,8.7,4.8
1965,5.8,5.6,9.1,9.4,13.6,16.8,15.9,17.3,13.6,13.2,9.6,6.5
1966,7.7,8.8,6.5,10.3,12.4,15.6,18,17.5,17.8,12.6,6.2,5.1
1967,5.6,7,9.9,10.3,12.6,16.1,19,19.3,16.9,15.3,11.1,5.1
1968,4.7,9.1,9.4,11.8,13.5,17.1,19.7,18.8,17.7,15.8,12.2,7.6
1969,8.4,8.6,10,10.6,13.4,16.1,19.7,19.3,15.5,14,11,5.7
1970,10.3,6.9,7.5,9.6,12.6,15.8,18.9,17.9,18.5,13.3,11.6,4.9
1971,6.9,6.6,7.3,10.2,11.9,13.8,17.9,15.6,16.2,14.7,7.1,6.3
1972,5.7,8,8.1,9.1,11,13.9,16.7,17.7,16.4,14.1,10.2,7.5
1973,6,5.8,7.9,9.2,13.7,15.7,17.5,19.5,17,13.2,12.1,6.8
1974,8.5,7.7,8.5,10.7,13.7,16.5,20.1,19.8,16.4,11.1,9.4,7.2
1975,6.5,8.1,8.1,9.5,11.2,15.1,18.3,19,16.2,14.1,8.5,6.8
1976,4.1,7.7,7.6,8.8,12,16.3,18.7,19,16.7,12.1,7,9.6
1977,7.6,7.9,9,11,12.1,13.7,16.2,16.1,17.8,15.6,10.3,10.9
1978,8,9.6,8.5,10.9,11.7,14.5,18.8,19.6,20.3,14.9,10.9,11
1979,9.5,9,8.2,9.8,12.6,16.7,19.1,18.5,17.3,14.2,9.6,7.4
1980,6.8,7.7,9.2,11.2,13.4,17,18.4,19.7,19.9,14.5,11.1,5.7
1981,4.2,6.7,10.5,11.6,13.9,17.9,19.3,19,18.1,14.2,12.3,10
1982,6.5,8.5,8.7,10.7,12.7,17.2,16.8,16.7,16.7,12.2,9.4,5.4
1983,5,5.1,9,9.1,12.3,16.5,16.8,18.8,18.9,15.7,13.9,9
1984,6.6,6.4,8,11,10.5,15.2,18.7,19.3,18.2,14,12.7,8.9
1985,5.3,9.9,7.4,11.1,12.2,16.9,19.9,18.8,19.4,15.5,11.4,9.1
1986,7.3,8.3,8.1,9,13.1,15,18.1,16.5,17.8,14.2,9.2,6.1
1987,6.2,8.9,9.7,11.1,13.2,16.2,18.4,18.4,18.7,14.2,10.4,11.4
1988,9,7.8,8.8,11.6,13.5,16.1,18.5,20.1,17.8,15.3,12.2,6.5
1989,5.6,8,9.5,9.7,13.4,16.5,20.5,20.6,17.7,16,12.4,10.4
1990,7.3,8.1,10.2,10,13.4,16.4,19.2,18.9,18.6,12.8,8.9,7.1
1991,5.5,4.6,9.5,9.3,11.4,16.3,18.4,18.4,18.1,12.2,8.7,7.8
1992,5.1,6.1,8.1,9.9,12.9,15.3,18.6,17.9,15.4,12.6,8.7,7.9
1993,3.9,4.9,8,10.2,12.4,16.2,19.8,19.4,17.6,12.5,9.3,7.2
1994,6.1,7,8.7,10.4,14,17.1,18.8,19.3,16.8,15,11.8,8.5
1995,6.3,8,9,11.3,14.6,16.8,19.7,20,16.4,15.7,13.5,11.7
1996,10.7,7.1,9.8,12,13.8,17.5,19.7,17.9,16.6,14,10.9,10.3
1997,7.4,8.5,9.7,12.7,14.6,17.7,17.8,19,17.8,16.3,12.4,9.4
1998,8,9.5,9.4,10.7,13.5,17.2,19.6,19.4,19,12.6,10.9,5.5
1999,5.9,6.3,9.5,11.8,14,16.9,20.1,19.4,17.9,15.5,8.9,8.1
2000,4.8,7.1,8.9,10.8,13.5,16.8,18.1,18.1,17.7,13.1,9.7,8.9
2001,8.4,9,11.6,11.4,13.1,16.7,18.9,19.4,18.3,15.2,9,7.7
2002,8,7.9,9.6,11.6,13.5,16.8,18.5,18.4,17.8,15.5,11.8,11.1
2003,7.2,7.4,10.8,11.6,14.4,18.2,18.5,20.4,17.9,15.7,11.8,8.5
2004,8,8.5,10.1,10.4,12.3,17.3,19.4,19.5,17.5,15,9.6,7
2005,3.9,3.8,9.4,11.2,14.3,17.8,19.4,19.4,17.4,15.3,10.1,8.4
2006,5.7,7.1,9.8,12.8,15,17.5,18.8,19.9,18.6,16.8,14,7.4
2007,5.9,9.9,9,11.4,13.6,16.4,18.6,18,17.6,14.7,9.9,7.3
2008,7.1,9.6,9.2,11.6,13.7,17.3,18.5,18.2,17.9,14.3,8.9,6.7
2009,7.3,8.2,10.1,10.4,13.9,18,18.7,19.9,18.5,14.8,10.5,8.4
