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