1901,25,27.4,23.8,17.5,14.3,7.1,6.7,9.6,14.3,17.5,22.6,23.9
1902,27.9,26.9,21.6,19.5,14.7,9.7,8.8,8.6,13.7,18.3,22.1,22.3
1903,25.5,25.3,24,16.6,12.4,8.4,7.1,9.7,12.3,17.3,19.8,21.1
1904,23.2,22.5,21.2,19.3,13.3,8.6,7.4,10.4,11.2,17.9,20.6,23.1
1905,27.5,23.3,22.5,18.5,13.6,8.8,7.2,10,10.6,13.9,20.3,21.7
1906,27.2,27.5,19.6,17.5,12.6,10.3,7.8,9.2,12.7,16.8,17.7,22.9
1907,24.2,23.9,21,17.9,14.5,8.7,8,10.2,14,16.5,19.5,25
1908,28.9,24.1,22.1,18.6,12.2,7,7.2,8.9,10.8,16.3,22.3,24.7
1909,23,22.7,21.1,15.8,11.2,8,6.5,8.4,11,16.5,19,22.3
1910,23.7,26.5,22.9,19.4,13.5,8.7,7.1,11,13.1,14.2,19.3,20.3
1911,22.1,22.5,19.3,15.3,12.4,6.8,6.8,11,13.2,16.1,20.8,21
1912,25.1,25.9,23.4,16.3,13.2,8.9,7.3,10.4,11.9,16.9,18.4,21.8
1913,25,26.7,18.9,17.9,10.2,8,7.9,8.9,11.8,17.1,17.9,22.8
1914,26.7,28.1,23.5,17,12.5,10.2,7.3,10.3,13.4,18.3,22.2,23.7
1915,24.1,26.2,22.1,17.8,11.1,8.5,8.2,9.2,12,14.7,20.6,23.4
1916,26,24,21.3,15.4,12.8,7.4,7.6,8.7,12.7,14.4,15.3,21.5
1917,24,21.9,19.8,14.7,9.9,7.4,6.9,9.3,11.5,14.5,17.6,22.6
1918,23.5,22.2,20.9,14.8,12.6,8.7,6.9,9.8,12.5,14.6,20.2,23.6
1919,24.2,26.9,21,19.1,13.1,9.6,8.4,8.5,13.3,18.1,20,24
1920,21.2,26.1,21.5,16.4,12.1,9,8.1,9.1,12.4,17,19.8,22.7
1921,24.7,24.6,21.5,17.4,13.8,9.6,9.3,9.6,13.2,15.8,21.4,21.5
1922,22.5,25.5,20.6,19.4,13.7,9.8,8.3,9.2,11.8,17.1,19.4,23.3
1923,23.8,26.7,21.8,17.7,13.2,8.9,7.6,9.7,11,15.1,16.8,22.6
1924,21.5,22.3,21.8,15.1,12.2,8,8.2,10.6,12.3,15.6,17.3,20.5
1925,21.3,23.4,21.8,18.2,12.6,9.7,7,9.1,9.7,16.7,20.6,23.6
1926,23.3,24.9,23,16.8,10.4,10,8.8,9.9,12.2,16.7,19,22.2
1927,25.8,25.2,21.9,17.1,10.6,8.4,7.2,9.1,12.2,16.9,21.5,23.1
1928,23.7,23.2,21.5,17.2,10.9,8.1,8.6,10.8,13.8,14.1,19.4,22.1
1929,26.4,26.1,22.1,16.6,11.7,7.7,6.3,9.4,12.7,15.4,18.6,20.9
1930,26.1,28.6,23.2,17.9,13,9.4,9,9.2,12,16.8,19.6,21.7
1931,23.2,24.4,21.3,15.9,12.4,8.5,7.3,10.1,11.9,16.5,19.7,22.7
1932,26.4,24,21.7,16.5,13.7,8.2,7.5,10,13.5,14.7,21.2,22.4
1933,23.4,22.5,23.1,18.6,12.7,9.5,9.3,8.9,12.5,16.5,19.8,23.4
1934,24.5,24.5,24,15.3,14.5,8.3,8.7,9.6,14.2,15.5,19.2,20.9
1935,24.3,24.4,21.5,16.7,12.1,9,8.7,11.1,12.3,15.8,20.2,21.5
1936,23.4,22.7,22.1,15.8,11.7,7.5,8.1,9.5,10,14.6,17.8,21.5
1937,22.8,23.6,21.8,15.9,12.2,8,6.6,9.5,13,16.8,20.1,22.3
1938,24.1,24.4,22.9,18.4,14.5,8.6,8,9.6,13.4,19.3,21.9,24.4
1939,26.8,27.9,18.9,15.4,13,7.5,6.3,7.6,11.7,15.2,17.1,22.2
1940,24.7,25.3,24.7,16,10.6,8,8,10.1,12.7,18,18.2,23.9
1941,21.9,22.5,18.9,17.7,12.6,8.6,7.3,9,11.8,14.9,19.3,23.6
1942,26.5,23.8,21.4,17.3,11.6,8,6.8,8.6,12,14.8,17.7,22.5
1943,23.1,23.9,22.9,13.6,10.4,6.7,6.2,7.3,10.5,14.4,16.2,19.8
1944,26.2,23.7,20.6,13.5,10.1,8,7,9.4,13.2,17.2,21.4,22.2
1945,24.6,20.8,20.2,14.5,11.6,8.9,7,9.5,11.8,16.3,19.5,24.1
1946,26.1,22.3,18.3,14,12.4,6.5,7.6,9.3,11.4,15.5,18.5,22.5
1947,24.8,23.9,20.2,15.2,13.7,8.1,7.1,8.7,12.8,15.3,17.4,20.4
1948,20.6,23.3,19,14.5,9.5,7.9,6.2,10.1,13.2,14.8,17.6,21.8
1949,21.1,21.7,18.6,14.2,10.2,5.8,6.8,9.8,12.3,15.6,17.9,21.2
1950,24.1,20.6,19.6,15.2,10.6,7.9,8.2,10.3,14.1,15.5,19.3,22.1
1951,23.7,23.4,22.6,12.9,11.4,8.5,6.9,8.8,13.7,14.8,18.1,22
1952,25.3,22.8,21.6,12.8,9.5,8,6.2,9,11.7,14.4,15.8,19.7
1953,21.8,22,23.1,17.5,10.9,7,7.7,8.2,11.1,15.2,18.7,23.1
1954,24.6,21,20.5,17.3,10.7,7.3,7.7,9.6,12.3,16.4,19,21.6
1955,25.1,21.3,20.8,15.8,9.4,7.3,6.5,8.3,12.3,15.4,17.7,20
1956,22.2,23.9,20.3,14.3,9.8,6.9,6.3,7.4,10.8,13.4,15.8,21.1
1957,25.6,24.1,20.5,15.5,11.7,10.9,6.5,9.9,12.7,16.4,20,24.5
1958,22.7,23.4,19.9,17.2,12.3,7.8,6.1,9,11.3,14.7,21.2,19.5
1959,26.2,24.6,20.6,15.8,11.7,8.9,7.6,10.2,11.9,14.5,21.9,20.4
1960,26.9,23.3,21.7,15.5,8.9,6.6,6.9,7.9,11,15.8,17.1,22.9
1961,25.3,24.5,22,17.5,12.6,10.1,8,10.3,12.8,19.3,19.7,22.1
1962,23.7,22.6,22.2,17,10,9.4,8.6,8.6,12.3,13.8,20.3,21.2
1963,23.2,22.6,21.2,16.6,11.5,8.1,6.7,8.9,12,18.5,18.8,22.1
1964,23.9,22.4,21.3,16.6,10.3,8.2,6.3,8.9,11.9,13.7,20.2,18.4
1965,22.3,25.8,22.7,14.5,12.5,8.9,7.8,10.2,14.1,17.6,18.8,23.9
1966,25.8,22,20.5,16.4,11.7,7.9,6.7,9.2,11.6,15.4,18.8,19.4
1967,23.1,24.4,21.7,18.6,13.8,11.6,8.4,9.1,12.3,17.4,20.3,21.5
1968,26.4,28,24,18.2,9.5,8,7,8.5,11.9,15.9,18,21.2
1969,26.5,23.9,20.4,16.1,10.7,8.1,8.4,10.7,9.3,16.6,18,20
1970,21.3,23.6,19,15.9,10.5,9,7.8,7.7,9.9,15.6,18.5,22.3
1971,22.9,23.3,21.8,17,11.6,8.1,7.7,8.8,11.8,15,17.2,21.4
1972,22,22.7,20.2,16.7,13.2,9.6,8.1,9.8,14.8,17.1,19.2,25.1
1973,27.5,22.7,19.3,16.2,11.6,8.8,8.8,8.9,13,15.9,17.8,22.9
1974,24.4,23.3,22.5,14.9,12.1,9,7.2,8.3,10.4,14.8,16.2,21.7
1975,22.9,24.3,19.3,16,12.8,9.4,9.6,9,13,15,20.5,22.9
1976,23.3,24.2,21.4,16.6,12.7,9.5,8.2,9.3,11.6,13.4,17.6,21.8
1977,24.3,25,20.3,17.1,12,8.8,7.9,11.3,11.3,18.2,20.8,23.5
1978,23.3,24.8,22,15.3,13.2,8.2,6.8,8.4,11.2,15.5,18.6,19.6
1979,27.9,27.1,21.9,15,11.4,10.5,8.2,9.2,11.6,16.4,20.9,24.9
1980,22.9,25.8,23.3,18.7,13.5,9,8.1,10.3,13.5,17.8,20.6,23.7
1981,28.5,25.5,20.6,18.9,12.6,8.4,7.3,8.4,14.8,17.7,18.8,21.9
1982,26.9,27,22.6,16.7,12.1,8.2,8,12.8,12.7,17,23.5,24.5
1983,25.1,28.9,23.9,13.9,12,7.9,7.1,10.1,12,15.6,17.9,22.3
1984,22.5,23.1,19,16.3,12.3,10.2,7.3,9.1,11.1,16.4,20.5,20.9
1985,25.5,24.9,23.1,16.7,12.7,8.3,7.8,8.8,12.1,16.1,18.1,19.7
1986,22.3,23.7,24.3,17.4,13,7.9,7.5,9.8,12.1,13.7,18.1,20.7
1987,24,25.6,19.1,17.8,12.6,10,7.2,9.9,14,16,20.1,21.8
1988,28.2,24.7,22.1,17.8,13.7,9.8,9.4,10.6,13.2,17.2,19.1,22.2
1989,22.7,24.3,21.6,16.5,13,8.7,7.6,7.8,12.1,15,19.1,22.2
1990,25.9,23.1,22.5,16.7,13.1,8.8,8.3,8.2,12.5,16.4,20.4,24.9
1991,26.4,25.8,22.6,17,13.5,11.1,8.1,8.4,12,18.7,20.5,21.1
1992,21.7,21.5,22.8,17.3,12.8,9.1,7.9,8.2,9.9,15.5,16.2,20.9
1993,25.1,23.7,19.4,18.4,13.7,8.8,10.1,11.7,12.8,15.5,19.2,21
1994,24.1,23.6,19,17.2,12.7,9.6,10.1,10,12.8,17.4,19.8,26
1995,23.7,23.8,20.5,14.7,11.9,9.1,7.2,12.3,12.2,15.1,18.4,20.1
1996,23.3,22.3,20.8,14.6,13.1,10.1,7.8,9.9,12.8,16.7,16.9,20.9
1997,24.4,27.9,20.4,18.6,12.8,9.8,8.5,9.9,12.7,18.2,23,25.1
1998,26.8,26.3,24.1,18,13,9.5,7.8,10.4,13.9,14.8,17.8,23.1
1999,26.5,24.6,21.7,15.2,14.7,9.9,9.5,11.4,14.4,16.8,18.5,21.4
2000,22.3,27.3,21.8,17.2,11.5,9,8.2,9.8,13.3,15.4,20.4,24
2001,27.6,25.9,21.1,17.3,12.2,10.2,9.3,9.9,14.4,14.3,17.5,20.1
2002,23.8,20.8,21.8,17.9,13.5,9.8,9.2,10.9,13.8,17.3,23.4,23.6
2003,27,26.7,21.5,16.9,14.4,9.9,8.6,8.9,12.2,13.9,19.6,24.3
2004,25.1,26.9,24.2,18.7,11.6,9.6,8,11,11.9,17.7,19.8,21.9
2005,25.6,22.4,20.4,20.3,14.3,11.6,9,10.5,12.4,16.9,19.9,23.5
2006,28.1,26,24.4,14.8,11.7,9.1,8.2,11.4,14.5,18.3,21.6,23.6
2007,26.7,26,21.1,18.1,13.8,8.6,6.8,11.2,13,18,21.3,22.4
2008,25.8,20.9,22.7,15.6,12.8,10.8,7.5,7.9,13.5,18.5,18.9,19.5
2009,27.3,25.6,22,16,13.5,9.2,8.3,10.4,13.1,15.8,23.9,24.6
