1901,7.2,10,12.3,13.7,16.2,19.3,21.1,21.1,18.8,14.4,11.2,8.8
1902,6.9,10.4,12.4,14.2,17.3,19.8,20.5,21.7,19.8,14.4,9.2,6
1903,6.1,5.6,8.8,12.8,16.3,19.6,20.9,22.1,18.1,13,10.2,8.6
1904,8.3,8.2,10.6,12.5,15.8,19.3,20.3,21.9,18,14.3,9.8,7.2
1905,7,6.7,9.8,13,16.9,20.2,21.4,21.6,18.9,14.4,11.8,7.6
1906,7.1,8.7,9.9,12.1,17.1,19.7,21,20.4,17.5,13.7,11.3,9.5
1907,8.3,8.5,10.8,12.9,16.4,19.4,20.5,19.7,18.2,14.1,9.4,7.7
1908,7.1,9.9,12,15,16.8,19.7,20.1,20.5,18.6,14,10.5,8.3
1909,7.7,10,12.5,14.1,17.7,19.1,20.3,21,17.8,14,11.9,8.5
1910,7,9,8.8,13.1,17.1,18.9,20.4,21.1,18,13,10.1,6.9
1911,6.7,6.6,9.2,12.5,16,18.3,20.1,20.8,17.4,13.2,10.9,8.4
1912,7.5,9.2,11.7,13.3,16.9,18.5,20.1,19.6,18.6,14,11.3,8.2
1913,7.8,7.8,10,13.8,16.4,18.1,20.2,20.8,18.6,13.8,10.3,7.7
1914,9.1,8.7,12.5,12.7,17.3,19.5,19.7,21.3,18,14.1,12.6,9.1
1915,9.1,9.9,12.1,13.7,16.8,20.6,21,21.5,19.4,14.5,11.7,9.2
1916,7.2,8.9,12.1,13.9,17.6,20.1,21.8,21.2,18.5,13.7,12.4,9.4
1917,8.2,9,11.9,14.4,16.5,19.4,20.9,20.8,18.4,13.5,12.6,8.2
1918,7,8.3,11.3,13.9,17,19.4,20.7,20.8,18.7,14.8,12.3,8.7
1919,8.5,9.3,12.5,13.9,16.9,19.5,21.2,20.8,19.1,15.4,12.2,8.1
1920,7.7,7.7,11.4,14.3,17.3,19.8,20.9,22.3,19.6,15.3,11.3,8.4
1921,8.1,8.5,10.7,14.3,17.3,19.5,21.3,21.6,18.2,14.6,11.4,8.7
1922,8,8.8,11.7,13.9,17.6,19.3,20.8,21.2,18.4,15.5,12.5,8.2
1923,8.8,8.6,11.6,13.3,17.2,20.4,20.7,20.8,19.2,14.7,12,8.9
1924,8.1,9.3,12.5,14.3,16.7,20.1,21.4,21.2,19.4,14.4,11.2,8.3
1925,6.9,8.1,12.6,13.9,17.2,19.6,21,21.1,19.9,15.1,12.2,9.5
1926,7.9,8.6,11.1,14.3,18.5,20.4,21,20.7,18,14.4,11.4,8.9
1927,8.5,7.8,11.9,13.3,17.7,19.5,20.8,21,18.7,15.5,11.9,9.6
1928,9.7,8.8,12.1,14.8,18.8,19.7,20,20.6,19.5,14.4,11.2,8.7
1929,8.2,8.8,11.2,14.4,18.6,19.8,20.4,21.4,19.4,14.1,12.1,7.3
1930,6.7,9,11.3,14.2,17,19.6,20.5,21.4,18.8,14.6,11.2,9.9
1931,9.1,8.9,12,13.9,17.2,19.4,21.2,21.7,19.6,14.8,11.7,8.3
1932,8.1,9,12.2,14,16.7,20.6,21.6,21.7,18.6,15.1,12,8.1
1933,8.3,9.5,12,12.4,17.1,20.4,20.3,20.8,17.5,13.8,13,9.7
1934,8.2,8,11.9,14,18.6,20.3,20.6,21.4,18.1,14.7,12.7,8.9
1935,8.8,8.8,12.9,13.1,19.1,20.7,20.4,21.6,18.3,15.3,11.2,9.2
1936,8.3,10.1,12.9,14.8,17.9,19.3,20.5,21.7,18.2,14.9,12.6,8.3
1937,6.8,9.3,12.5,14.5,17.8,19.4,21.1,21.4,20.2,15.6,12.3,9.7
1938,8.9,9.5,9.8,14.3,16.6,18.8,20.7,22.1,19.8,14.3,11.2,9.6
1939,8.5,8.6,11.5,13.9,18.8,20.1,20.7,21.1,19.5,15.4,11.6,9.4
1940,8.5,9.8,10.4,14.6,18,20.5,21.1,21.1,19.1,15.5,11.2,9.1
1941,9.1,10.7,11.9,14.2,17.4,19.9,21.3,20.8,17.9,13.6,11.9,7.2
1942,7.1,9.2,11.5,14.1,17.4,19.4,19.6,20.5,17.8,14.4,11.8,8.7
1943,7.9,6.5,9.5,11.9,16.1,16.8,20.1,18.3,18.4,13.2,11.7,9.9
1944,8.6,7.8,12.8,13.4,16.3,19.6,20.5,20.6,18.2,13.7,10.4,7.3
1945,7.9,6.9,9.5,13,17.3,19,19.8,21.3,19,13.4,10.8,8.3
1946,8.3,8.5,10.7,13.7,16.2,18.9,20.6,20.9,18.6,14.2,11,9.4
1947,8.7,9,11.8,13.9,16.6,19.2,20.7,20.8,18.6,14.5,11.2,8.5
1948,8.3,8.7,10,12.6,16.5,19.9,20.5,20.9,18.8,13.5,11.3,8.1
1949,7.5,6.9,11.2,12.4,17.5,20.5,20.3,21.4,18.2,13.5,11.3,7.3
1950,7.3,7.9,11.2,15.2,17.9,20.4,21.5,22.6,20.1,14.8,12.3,9.2
1951,9,8.5,11.2,13.1,18,19.6,21,20.9,19.5,14.3,10.9,7.2
1952,7.2,9.3,10.9,14.9,17.1,19.1,20.1,22,19.5,14.4,11.5,10.1
1953,9.8,9.5,12.6,13.1,17.9,19.7,22,21.6,19.1,14.9,11.5,6.1
1954,8.5,9.7,12.6,13.5,17,19.8,22,22.5,19.3,14.2,12.2,9.1
1955,7.5,9.3,10.3,14.5,17.2,20.2,19.7,21.5,19.6,13.6,11.6,8.9
1956,6.4,10,10.6,12.8,15,19.8,21.1,22.1,19.4,13.6,11,8.6
1957,7.2,7.1,10.2,12.6,16.3,19.3,19.8,19.8,19.7,15.3,12.2,9.2
1958,7.8,7.9,13,16,16.6,20.3,21.5,20.5,18.6,14,11.4,9.9
1959,6.4,6.7,9.3,14,18,19.6,20.5,19.1,18.5,13.1,10.1,8.2
1960,8.9,9.8,10.6,14.5,18.3,20.2,20.7,19.7,19.4,13.9,12.1,9.2
1961,9.2,7.8,10.4,13.1,15.5,19.4,21,20.3,17.8,12.9,10.8,7.5
1962,7,9.2,11.1,14.1,16.6,19.1,21,21.2,18.8,14.1,10.5,8.9
1963,9.3,10.8,11,14.2,16.3,20,21.1,20.7,19,14.9,10.4,7.4
1964,6.2,8,11.5,14,16,20,21.7,19.9,18.1,11.5,9.9,6.5
1965,7.2,8.5,12,12.1,15.9,18.5,19.7,21.3,18.2,15,10.9,7.8
1966,8.8,7.3,10.7,13.6,17,19.7,19.7,22.1,18.4,14.9,11.2,8.5
1967,7.8,7.6,9.6,12.1,16.1,18.9,20.3,19.6,17.9,14.5,10.7,7.6
1968,7.6,7,10.5,13,18.1,20.9,21.6,21.4,18,14.3,11.4,9.5
1969,7.5,8.4,11.8,14.5,16.8,19.4,20.6,21.1,18.7,15.1,11.7,9.9
1970,7.9,9.7,11.6,15.2,16.3,18.8,20.3,20.4,18.2,13.3,11.1,7.6
1971,8.1,7.8,12.1,12.8,17.3,19.5,20.3,20.6,17.5,12.5,10.6,6.5
1972,8.3,8.3,11.1,13.8,16.4,20,20.3,20.5,17.8,14.6,11.5,6.8
1973,6.9,10.6,11.6,14.1,17.6,18.4,20.5,20.5,18.6,14.4,10.3,8.1
1974,6.8,8.4,10.8,14,17.4,20.7,20.9,21,17.9,13.4,11.3,8.4
1975,7.2,8.5,14.1,14.1,16.6,20.4,20.6,21,20.2,12,10.7,8.7
1976,7.7,8.5,10.9,14.2,18.2,20.3,20.8,21.3,19.4,14.9,10.9,10
1977,6.9,9.2,12.5,13,16.8,20,21.9,22.1,18.8,13.9,10,8.6
1978,7.8,9.5,11.5,15.4,17.7,19.5,20.6,21.2,19.4,14.8,9.9,10.2
1979,8.8,11.4,12,15,18.3,21.5,21.8,21.2,19.6,15,12.4,7.6
1980,8.4,9.1,12.8,15.6,18.2,20.6,21.9,21.3,19.3,14.2,12.4,8.9
1981,9,9.3,15.9,13.7,17.5,19.9,21.5,20.8,19.2,15.2,11.1,9.7
1982,8.6,6.8,10.2,15.2,17.5,20,19.8,20.9,19.1,15.6,9.6,6.8
1983,6.3,6.6,8.9,13,17.6,21.5,21.1,22.2,18.4,12.9,11.3,8.8
1984,7.2,9.8,12,14.7,16.7,19,20.3,19,19.4,14.4,11.8,8.7
1985,9.1,7.4,11.8,14.5,18.5,19.9,20.5,21.7,18.8,13.3,10.8,7.8
1986,7.1,8.8,12.1,13.8,16.6,20.5,22,22.8,19.6,15.9,11.3,7
1987,7.2,9.9,10,13.9,18.3,20.2,22.5,22.7,19.1,16,11.6,9.1
1988,7.6,9,11.4,14.7,18.5,21.6,23.3,22,20.6,15.4,11.2,9.9
1989,5.5,7.1,16.1,14.7,18.7,20.9,22.1,22.2,20.6,14.6,12.5,8.4
1990,7.7,7.7,10.1,13.9,17.6,19.6,21.4,21,19.7,15.1,11.6,9.9
1991,8.2,9.8,11.2,16,17.7,20.7,20.5,20.5,18.8,15.3,11.5,9.6
1992,8,7.1,9.4,14.1,15.6,19,20.7,20.7,17.8,14,11.6,7.7
1993,6.8,7,10.7,14.1,19.1,22.4,20.1,21.6,19.3,15.5,11.8,9.8
1994,9.2,9.5,10.3,16,18.1,20,21,22.6,18.4,16.2,12.1,7.2
1995,8.5,8.7,10.4,15,18.6,21.8,22.7,22.5,18.4,14.6,12.2,7.6
1996,7.5,9.7,10.5,14.1,18.7,20.8,22.5,22.5,19.8,13.6,10.3,9.1
1997,6.9,6.5,8.7,13.1,17.6,20.9,21.7,20.7,19.6,14.3,10.7,8.7
1998,7.3,9.4,9.9,14.8,18.1,20.7,22.7,23.1,19.5,14.2,12.4,9.6
1999,7.2,11.8,11.3,14.7,18.2,20.8,22.3,22.9,19.6,15.7,11.9,8.5
2000,7.2,8.5,9.5,15.9,19.5,21.3,23.4,22.3,18.4,14.2,10,8.1
2001,6.4,7.9,12,15.5,18.9,21.1,22.9,22.8,19,14.6,10.9,9.8
2002,6.7,9.8,12.3,15.1,17.9,20.9,22.9,22.8,19,15.8,11.1,8.3
2003,8.4,9,15.2,14.8,19,21.9,22.1,23.1,18.9,14.9,12.1,9.1
2004,9.2,8.8,11.5,14.7,18,20.2,21.9,22,18.7,15.2,12.1,7.8
2005,7.2,9.3,11.3,16,18.9,21.2,22.3,23.1,19.9,14.9,11.3,10.4
2006,9.2,9.4,11,14.7,19.3,22.4,21.4,22.6,19,15.3,10.9,7
2007,6.8,8.7,10.7,16.7,19.7,21.6,22.9,22.5,19.8,15,12.9,9.1
2008,7.3,8.5,11.5,16.2,18.3,21.7,23.7,22,21.3,14.9,10.8,8.9
2009,8.8,10.9,10.9,15,18.5,22,23,22.4,20.3,16.7,12.3,9
