1901,6.7,11.5,12.4,12.8,12.9,18.2,20.4,20.4,19.3,17,13.7,10.9
1902,7.6,10.8,9.5,12.1,15.7,18.6,21.3,21.2,21.7,18.7,12.7,9.1
1903,7.3,7.9,9.1,12.5,15.6,17.1,19.2,20.4,18.8,16.9,12.9,10.8
1904,8,9.8,10.1,11.6,14.7,18.7,21.4,20.9,19.5,19,12.8,8.4
1905,6.4,6.3,9.1,13.1,16.5,18.8,22,21.6,20.3,18.9,16,9
1906,8.3,8.6,10.3,12.8,14.8,19.6,21.3,21,19.2,17.6,14.6,11.3
1907,7.4,8.2,7.5,12.4,15.9,18.8,21.3,21.3,18.6,17.4,12.9,10.1
1908,8.3,8.1,10.1,12.1,16.7,18.5,20.2,20.4,18.3,16.1,12.1,8.3
1909,7.7,8.1,11.6,10.9,18.2,19.3,21.6,21.6,19.9,17.3,15,11.7
1910,7.7,9.4,7.7,13.7,16.1,18.6,21.1,21.5,19.5,16.2,13.4,9.7
1911,7.5,6.1,9.1,12.3,15.8,18.7,20.4,21,19.2,17.5,14.7,10.2
1912,8,9.6,10.2,12.4,14.4,19.3,20.5,21,19.2,17.5,14.5,9.9
1913,8.4,7.9,9.3,13,14.4,17.6,20.6,20.4,19.8,17.5,13.1,9.2
1914,9.1,8.9,11.7,10.3,15.9,19.1,21,21.6,19.3,16.8,14.1,10.5
1915,10.2,10,11.3,12.3,15.4,20.5,22,21.5,18.7,18.2,14.8,12
1916,7.4,9.2,12.9,13.3,17,22.2,22.9,21,18.8,15.9,15.9,12
1917,9.4,8.7,12.1,13.2,14.2,18.4,21.1,21.7,18.6,16.9,16.4,9.7
1918,8.2,8.1,10.4,12.9,15.6,18.7,22.2,20.9,20.4,20.2,15.9,10.6
1919,10,10.8,13.1,12.6,13.3,17.7,21.5,20.2,19.7,19.3,16,10.3
1920,8.8,5.9,10,13.9,15.2,19.4,21.5,22.7,18.9,17.1,13.1,9.5
1921,8.8,7.2,8.6,12.7,15.6,18.7,21.6,22.6,19.1,16.7,14.1,9.9
1922,8.7,9,11.4,13.3,15.3,19.1,22,21.7,20.3,18.8,15.1,9.1
1923,9.1,9.2,9.4,12.4,16.5,20.5,20.9,21.3,19.5,17.1,15.7,11.5
1924,7.8,10.2,10.8,14,15.4,19.8,22.2,21.8,20.4,17.3,14,10.1
1925,6.3,9.1,12.1,11.8,16.3,19.3,21.7,21.2,19.7,18.7,16.7,11.4
1926,8.6,9,9.6,14.2,17.7,21.1,21.1,19.9,18.7,17.5,15.7,10.5
1927,8.9,6.4,11.1,12.4,17.1,20.2,22.7,22.4,20.4,19.9,16.1,11.8
1928,10.6,8.2,9.2,15.4,18.1,19.3,21.6,22.6,20.3,17.1,15.3,10.2
1929,7.6,7.1,8.6,11.5,18.9,20.1,21.2,21.5,20.1,17,15,9.8
1930,8.6,8.5,10.9,14.6,16.2,20.3,22.3,22.1,20.4,18.1,14.6,12.9
1931,9.5,9.3,12.1,13.1,15.9,19.3,22.4,22.2,20.4,17.5,13.2,10.1
1932,8.1,8.4,10.8,12.5,15.3,19.8,22.3,21.3,19.8,19.4,14.9,10.2
1933,8.4,10.5,10.3,10.5,15.6,20.9,20.6,20.6,18.1,16.1,17.3,11.7
1934,8.8,6.4,12,13.6,17.2,20.3,21.4,21.5,19.3,18,15.6,10.9
1935,9.3,9.3,10.9,13.3,17.6,20.2,21,20.9,19.7,18.5,13.4,11.1
1936,10.3,10.3,12,14.3,16.4,19,22.4,21.6,18.4,19.7,15.1,8.5
1937,6.9,10.1,11.6,13.7,16.1,18.9,22.1,21.8,20.8,18.5,15.5,11.5
1938,9,7.7,8.4,12.5,15.7,18.4,22.8,22.6,20,17.6,13.3,11
1939,9,8.4,10.1,12.7,18.5,19.8,22.3,21.9,21.3,19.7,14.3,11.2
1940,8.8,9.4,10.2,13.5,16.3,20.6,22.3,20.4,19.5,19.2,14.5,9.9
1941,10.6,11.8,10.9,13.8,18.9,19.9,22.1,21.9,18.9,16.4,15.1,8.8
1942,8,10,11.2,14.2,17.2,21,21.6,21.3,19.2,18.5,15,10.4
1943,8.3,7.8,9,10.5,15.7,18.3,21.9,22,20.2,20.4,17.4,12.1
1944,7.7,9,10.7,13.5,14.4,21.2,21.2,21.5,19.7,18.6,14.3,10.8
1945,7.9,8.4,8.1,11,16.6,18.6,21.3,22,20.1,17.3,14.2,9
1946,8.7,8.7,10,13.1,16.3,19.2,21.3,21.5,21,18.3,16.1,10.5
1947,8.7,9.8,12,13.3,16.5,19.2,21.8,21.8,19.5,17.6,14.7,11.1
1948,9.7,9.1,8.3,11.8,15.9,19.6,20.7,20.8,19.7,17.3,13.9,9.2
1949,7.4,7.3,9.9,10,16.3,19.1,21,20.4,18.5,16.6,14.6,11.2
1950,7.7,8,10.6,14.1,15.5,19,21,21.3,20.4,17.5,14.4,11.1
1951,8.6,9.5,11.2,13.1,16.7,19.8,21.2,21.6,21,18.8,13.8,9.7
1952,8.3,9.4,10.2,12.7,15.8,18.3,21,21.6,20.8,17.9,14.1,11.7
1953,7.6,9.7,8.9,12.4,16.4,19.3,21.7,21.7,19.4,18.2,13.3,9.5
1954,7.8,9.2,11.3,12.5,15.8,19.3,20.7,21.9,19.9,17.9,15.1,10.6
1955,9.7,11.1,11.1,13.4,15.7,20.2,21.8,21.7,20.8,18.3,15.1,10.9
1956,9.3,9.4,10,12.1,14.7,19.8,21.4,21.9,20.2,17.1,13.8,10.1
1957,7.2,8.8,10.4,13.3,16.2,19.8,21.4,21.9,20.7,18.7,15.6,10.4
1958,9.1,9,12.7,13,15.9,19.5,21.2,21.6,19.9,18,15.1,12
1959,8.9,7.6,10,12.5,16.1,19.5,21,21.3,19.3,16.4,14.1,10.3
1960,8.8,8.6,11.1,13.8,17.3,19.3,21.1,21.8,20.1,19.2,15.4,13.4
1961,9.2,9,9.9,12.6,16.4,20.7,21.3,21.8,19.2,16.9,14,10.9
1962,9.7,7.8,11.7,12.7,16.1,20,21.3,22.2,20.5,18.7,16.9,10.5
1963,9.6,10.2,9.6,13.8,16.3,19.5,22.1,22.3,20.7,19.1,14.7,11.3
1964,7.4,7.9,11.6,12.1,14.8,19.2,20.7,21.1,18.8,18.3,14.1,11.1
1965,9.2,8.9,11.3,12.9,15,18.2,21,21.5,18.3,16.8,13.4,9.9
1966,8.4,10.2,11,13.5,15.7,20,21.6,22.1,20,18,16.8,10.7
1967,7.2,8,9.2,12.2,15.7,19.7,21.8,22.1,20.1,17.8,14.3,10.2
1968,7.7,8.7,10.1,14.6,17.4,21.3,22.6,21.7,19.9,17.5,14.2,11.1
1969,8.6,10.1,13.1,12.7,17,21.3,21.4,20.8,20.9,18.6,14.6,10.5
1970,9.8,9.3,12.4,13.5,16.1,19.6,21.5,21.9,20.1,16.3,14.8,9.2
1971,10,9.6,11,12.4,16.7,19.4,21.3,22,20.2,16.7,13.3,10.4
1972,8.5,8.9,11.1,14.8,15.9,19.7,21.2,22.1,20.9,17.9,14.7,10.2
1973,7.9,9.9,9.6,12.2,15.5,19.5,21.6,22,20.1,18.4,13.2,10.6
1974,8.9,8.9,11.9,13.9,15.3,19.3,21.2,21.3,20,18.1,13.9,9.4
1975,8.2,9.1,10.5,14.2,16.1,19.8,21.1,21.6,20.4,17.5,14.2,10.7
1976,8.4,7.8,10.5,13.6,16.6,19,21.1,20.8,18.6,17.4,14.8,10.8
1977,8.7,10.1,10,13.5,16.8,20.3,21.7,21.8,20.4,16.6,13.7,9.8
1978,7.9,9.7,10.7,12.9,16.5,19.6,21.7,20.4,19.6,18.5,13.5,10.6
1979,8.7,10.2,11.8,14,16.3,21.1,21.6,21.5,20.3,18.6,15.5,10.2
1980,8,9.3,10.4,12.9,15.4,19.1,21.2,21.9,20.3,17.7,15.4,10.8
1981,7.9,9.1,11.3,13.8,15.7,19.9,21.9,21.6,20.2,18.6,13.6,10.1
1982,9.4,8.7,9.7,14.4,15.8,19.2,21.2,21.2,20.1,18.2,13.1,9.5
1983,7.4,7.6,8.9,11.9,15.7,19.2,21.6,21.3,19.6,16.9,14.5,9.4
1984,9,8.6,10.9,12.2,16.4,18.9,20.4,20.5,19.3,17.9,14.1,10.5
1985,10,8.9,10.8,12.8,16.9,19.6,20.5,21.8,20,16.7,15.4,11.6
1986,9.6,9.7,11,13.8,14.9,20.1,21.3,21.5,20.7,17.2,13.5,9.2
1987,8.1,9.7,8.8,11.5,15,18.6,20.6,21.4,19.7,17.7,13.2,11.4
1988,9.4,9.2,10.1,13.3,16.5,20.4,22.5,22.3,20.6,17.1,11.7,10.2
1989,7.5,7.8,10.5,14.3,16.8,18.9,21.2,21.2,20,16.9,13.9,10.1
1990,9.4,8.9,10.3,13.5,15.5,19,21.3,21.1,19.7,18,15.7,11.7
1991,8.2,9,12.2,14.2,16.4,19.5,21.1,21.8,19.8,18.7,14.4,8.4
1992,7.8,7,9.5,12,15.6,19.5,21.2,21.9,19.5,18.5,14.2,9.3
1993,7.9,7.4,9.2,12.8,15.5,19.5,21.9,22.2,20.3,19.8,15.3,12.5
1994,10.5,9.1,10.5,14.2,16.8,19.3,22.1,20.5,21.8,20.7,14.4,8.7
1995,8.3,9.2,11,12.2,15.7,21.1,22.4,21.9,20.7,17.5,12.2,10
1996,9,10.1,11.1,11.6,17.2,19.4,23.3,22,20.5,16.6,15.1,10.8
1997,9.5,7.6,9.3,11.2,15.9,20.3,22.2,21.2,19.3,17.4,15,10.9
1998,9.7,10,9.9,14.9,17.6,19.9,23.1,23.3,22.1,18.8,15.9,11
1999,9.9,9.8,11.2,13,17.3,20.4,22.7,22.2,21.2,19,15.4,11.1
2000,8.2,8.3,10,14.6,16.6,20.6,23.3,22,21,17.5,14.9,11.2
2001,9.9,9.2,13.5,14.2,17.7,19.9,22.7,23.3,21.7,18.7,14.4,10.8
2002,8.1,10.5,12.7,13.6,16.9,19.6,24,23.1,21.9,18.4,15.4,11.2
2003,11,8.4,9.5,14.1,18.7,21,23,23.1,21,18.9,15.6,11.1
2004,9.2,9.5,12.3,13.4,16.7,19.2,23,22.2,21,19.3,14.9,10.8
2005,9.9,9.5,11.4,13.8,16.3,19.2,22.5,22.6,20.8,17.7,14.3,11.9
2006,9.4,10.2,11.5,14.3,16.3,20.7,22.1,23,21.8,18.8,13.4,10.1
2007,8.6,9.9,11.6,13.1,18,21.1,23.6,23,21,19.4,15.8,10.9
2008,7.5,8.6,13.3,14.5,17.2,21.8,22.8,24.3,21.9,18.9,16.3,12.2
2009,10.5,10.8,11.2,14.3,16.8,21.8,23.8,23,21.9,20.2,15.3,12.4
