1901,21.6,22.4,20.8,15.1,13.8,13.5,10,10.1,14.4,16.8,18.5,21.7
1902,23,23.8,20.6,18.3,15.2,12.6,9.9,8.1,13.1,14.9,18.5,21.6
1903,22.2,22.8,21.7,16.3,13,11.1,10,10.8,14.9,14.9,18.9,21
1904,22.1,21.4,20.5,18.2,12.7,10.9,11.7,9.9,13.8,15.5,18.6,20.2
1905,21.7,21.6,21.5,16.4,11.6,11,8.6,10.5,13.5,16,18.1,21.3
1906,23.5,23.4,22.3,17.7,14.6,8.3,10.7,11.6,12.5,16.3,18.3,20.3
1907,23.2,23.4,21.1,16.6,11.2,9.8,9.6,9.5,11.5,14.4,18.7,22.3
1908,22.3,22.1,21.1,16.5,12.3,11.5,10.4,9.1,13,15.6,18.1,21.7
1909,22.9,21.3,19.3,17.3,10.7,8.8,9.9,12.8,13.7,14.7,16.5,20.2
1910,22.9,21.3,18.4,16.1,11.9,11,8.9,11.2,12.5,15.2,18.9,22.2
1911,23.3,22,19.2,16,12.9,8.2,9.7,9.7,11,14.4,18.6,21.1
1912,23.3,22.8,21,16.3,12.7,11,8.9,10,13,16.5,18.4,22.7
1913,22.6,24.7,19.2,18.3,14.5,10,12.9,11.6,13.3,15.5,18.9,21
1914,23.9,22.1,19.9,17,14,13.6,12.8,11.7,12.4,15.4,17.3,19.9
1915,22.5,22.9,18.2,17.6,13.6,6.8,9.9,11.7,12.1,15.6,19,21.9
1916,22.9,22.4,18.6,18,13.4,7.9,7,10.6,13.9,16.4,18.7,21.3
1917,23.8,22.5,19.2,16.3,11,10.6,8.7,9.2,13.1,14.7,18.4,23
1918,23.6,22.1,20.4,17.3,11.6,9.6,9.4,10.6,12.2,15.3,19.3,21.7
1919,24.2,22.3,20.9,17.7,16,10.6,11.1,9.8,11.8,15.1,17.7,21.9
1920,23.8,22.4,21.3,18.4,14.2,9.3,8.2,10.5,13.8,15.3,18.8,21.8
1921,21.8,22.5,19.6,16.5,14.9,7.5,8.6,10.3,13.5,16.1,17.7,23.2
1922,22.6,21.4,20.4,15.7,13.4,9.4,13.3,11.3,13.5,13.7,19.5,21.5
1923,23.5,23.4,22.3,17.3,11.3,11.4,8.4,11.2,13.6,13.8,18.4,20.6
1924,22.1,22.4,20.8,15.2,11.1,10.1,9.2,9.1,12.1,14.8,17,23.6
1925,23.6,25.1,22.7,16.6,11.3,8.5,8.6,12.4,13.2,15.1,19.2,22.4
1926,25.1,24.9,22.1,16.6,12,11.2,9.4,12.4,13.5,15.6,19.6,22.6
1927,23.8,24.9,22.4,17.1,13.1,10,10.9,12.1,12.7,15.1,18.9,20.8
1928,22.4,20.6,20.4,18.1,13.1,9,10.8,10.7,12.5,16.5,20.3,22.5
1929,24.6,22.8,20.5,18.7,13.2,9.8,10.7,11.2,13.5,15.4,19.3,22.8
1930,23.5,23.1,20.4,18.6,14.4,14.1,9.1,9.6,13.4,14.8,18.7,22.5
1931,23.8,24.5,21.6,16.4,10.4,8.9,9.7,11.5,12,17.3,17.7,21.9
1932,24.9,23,21.5,17.9,11.7,10.9,14.4,10.5,14.2,17.2,21.1,22.3
1933,22.8,22.4,20.3,17.7,15.5,10.6,8.2,13,13.7,17.2,19,22
1934,25,21.8,21.1,14.5,13.4,12,10.7,11.7,13,15.6,18.4,21.5
1935,22.6,23,22.2,15.5,16.1,12.1,10.6,11.8,12.5,14,19.3,21.8
1936,22.8,22.3,21.4,17.2,14.6,12.1,11.7,10.1,13.1,16.2,18.3,22.1
1937,22.8,24.2,20.3,17.1,12.7,13.2,9.5,11.9,12.9,14,18.2,21.1
1938,22.2,22.4,20.2,15.8,14.4,11.9,10.6,10.5,14.1,16.2,18.3,22.9
1939,24.2,22.5,20.4,15.4,14.6,13.2,11.9,13.6,13.2,17.7,17.3,19.9
1940,23.6,22.7,20,16.8,15.4,13,13,10.2,13.5,14.2,18.7,22.5
1941,22.6,21.5,18.6,17.3,13.1,11.7,12,12.6,11.6,16.5,18.7,21.5
1942,24.9,23.8,20.3,17,11.6,9.1,8.2,12.6,13.7,16.1,20.6,23.4
1943,24.6,25.9,21.5,16.9,14.7,12.2,13.1,9,14.2,18.2,18.6,22.7
1944,22.4,24.3,20.4,16.8,14,12,12,13.6,16.4,17.5,19.4,23.5
1945,24.5,23,21.4,19.9,13.8,10.3,10.2,13.6,14.6,18.2,19.2,21.9
1946,22.5,23.8,20,17.4,14,9.9,9.7,12.2,14.9,16.4,20.6,20.9
1947,23.1,24.5,20.3,16.7,13.4,13.3,9.7,10.3,13.4,16.9,20.3,21.3
1948,23.2,22.2,19.2,16.8,13.4,13.1,10.8,9.6,14.5,15.8,18.8,24.8
1949,24,22.9,20.5,17.9,13.8,11.7,10.9,11.3,13.4,14.7,20.7,22.9
1950,23.6,23.7,21.8,18.2,15.6,11.9,10.5,12.3,12.4,15.5,18.4,21.8
1951,24.7,21.9,20.1,16.1,15.9,14.1,14.5,14.2,14.2,17,21,21.8
1952,26.4,25.9,23.9,18.2,16.8,10.2,12.6,13.4,14.5,17.7,20.4,23.4
1953,25.1,26.4,23.2,18.1,16,13.4,9.3,14.3,16.6,16.8,20.8,23.8
1954,25,25.6,23.7,18.5,14.9,12.6,11,12.5,14.3,17.5,21.3,23.8
1955,27.1,23.6,21.1,18.1,13.6,11.2,9.3,13,15,16,23.2,24.2
1956,22.9,23.1,23.2,16.1,11.8,12.7,12.1,13,14.4,18.8,21.4,24.3
1957,27.6,22,23,17.3,18.8,11.4,9.7,11.2,13.2,17.1,19.1,22.6
1958,23.5,21.8,20.1,17.2,13.3,13.9,16,10.9,16,18.7,20.2,21.7
1959,23.9,24.4,21.3,17.2,13.5,11.3,13.3,11.3,14.4,18.8,19.8,22.9
1960,26.2,26.4,23.6,18.7,14.4,12.7,11.2,12,14.3,18,19.6,23
1961,24.2,22.8,20.8,16,15.2,11.2,10.4,14.2,13.9,18.5,20.4,22.1
1962,22.9,22.9,23.2,17.3,12,11.1,8,11.8,14.2,15.7,21.4,23.3
1963,23.6,23.9,20.9,18.8,14.4,12.2,13.3,11.5,13.9,15.7,17.3,22.6
1964,23.7,22.9,19.7,16.9,15.3,8.6,9.9,12.1,14,15.4,18,22.4
1965,25.9,25.9,19.4,17.4,13,15.2,10,12.1,12.6,17.4,20.4,20.8
1966,23.4,23.3,19.3,18.1,14.6,12.7,12.5,10.1,11.8,15.9,20.5,21
1967,23.1,23.4,20.3,17.5,15.5,8.7,10.7,12.1,14.2,17.5,20.3,25.1
1968,24.1,23.5,20.8,14.5,12.3,11.7,13.3,12.6,14.1,17.2,21.8,21.8
1969,23.2,22.7,21.3,18.1,15.4,12.4,12.5,10.2,14.8,15.9,20.1,23.9
1970,23.8,25.6,22.4,20,14.4,10.4,11.2,12,15.6,15.9,18,22
1971,22.9,21.1,20.8,15.5,12.2,8.5,12.5,12.8,15.8,17.1,21.6,23.6
1972,24,23.6,19.7,17.4,16.3,14.2,10.2,11.8,15.3,15.8,18.4,21.9
1973,23.2,22.4,22.3,18,13.5,12.8,10.3,10.7,13.6,17.1,17.9,22.3
1974,24.2,21.8,21.2,18,15.8,10.2,13.1,11.2,12.4,16.4,21.4,21.5
1975,23.8,23.2,20.9,17.5,15.5,12.8,9.7,11.4,14.3,16.2,19.3,24.1
1976,24.3,23.3,18.3,16.6,14.4,10.3,10.7,11.7,14,16.7,19.4,21.7
1977,24.4,22.8,21.2,17.9,12.3,12.1,12.1,12.2,15.5,19,19.8,23.1
1978,23.2,22.1,21.3,16.2,13.5,10.5,13.2,11.6,15.6,17.3,20.3,23.6
1979,26.1,25.4,21.5,17.5,14,11.3,13.2,14.3,14.1,18,18.9,22.5
1980,26.1,24.4,24.7,20.7,16.9,11.5,10.4,12.7,14.5,17,19.9,24
1981,23.1,23.6,20.7,18.3,18,10.1,10.8,14,13.6,16.8,20.5,23.2
1982,23.8,22.3,22,19,15.3,12.1,11.3,13,15.9,15.8,19.1,23.8
1983,24.9,23,20.5,17.4,14.1,9.2,8.8,11.9,13.1,18.7,20.3,23.9
1984,24.6,23.6,21.5,17,14.3,9.7,9.7,10.2,14.2,18.5,19.5,20.7
1985,24.1,24.1,21.1,16.8,14.9,12.6,11.4,12,14.5,17,21,22.2
1986,24.4,23.2,19.9,18.3,13.4,13.7,11.7,13,14.9,16.9,19.7,22.9
1987,24.6,24.5,22.6,18.9,11.9,10.9,13.4,12.1,12.9,17,20.1,21.7
1988,23.7,22.5,23.1,16,10.8,8.8,9.6,12.1,13.2,16,20.6,23.9
1989,26.1,25.3,21,18.5,14,11.6,10,14.4,13,16.9,20.3,24.7
1990,26.3,23.5,21.2,18.2,13.3,10.2,10.1,15.2,13.5,19.1,21.3,20.9
1991,23.1,23.7,22.9,17.9,15.8,11.4,9.8,13.6,16,16.5,19.5,22.9
1992,23.5,23.7,22.2,16.8,14,14.1,7.9,12.1,14.1,17.2,18.6,22.4
1993,24.9,22.2,22,19,13.8,11.4,8.9,11.9,13.1,17.9,19.3,22.6
1994,22.9,21.8,21.6,17.6,16.1,13.2,10.9,12,15.5,17.1,21.1,25.2
1995,23.7,22.4,21,17.2,13.8,10.7,10.7,11.8,14.6,16.4,20.8,24.8
1996,23.9,23.8,22.6,18.7,13.9,9.8,8.3,14.3,13.9,17.6,21.5,23.8
1997,25.9,22.8,22.3,19,15.4,11.5,12.9,13.9,14.3,17.4,20.4,21.8
1998,22.5,21.9,20.2,17.9,14.3,11.5,12.5,11.6,13.2,18.6,20,22.7
1999,22.8,22.8,23.2,15.5,13.3,11.1,10.1,12.8,15.6,17.6,20.5,23.6
2000,25.5,24.5,20.7,18.3,14.2,12.9,8.6,11.8,13.6,17.4,19,22.7
2001,24.4,25,22.7,17.3,13.6,12.8,11.2,15.7,14.9,18.1,19.8,22.3
2002,23.8,22.1,22.4,16.9,16.2,10.2,10.6,13.7,14.4,19.4,20.9,21.3
2003,24.5,22.7,21.2,16.5,14.9,12.9,10.4,10.8,14.7,18.4,19.9,21
2004,24.9,22.3,22.5,19.2,12.7,12.6,11.2,13.3,15.1,16.9,19.5,23
2005,25.1,23.2,21.3,16.2,14.7,14.6,11.6,13,13.3,16.4,21.6,21.9
2006,24.9,23.5,20.4,18.4,13,12.7,14.3,11.2,14,19.5,19.9,24
2007,23.6,24,21.1,18.8,11.6,9.9,8.2,10,16.8,18.5,18.6,22.4
2008,24.9,24.3,21.7,17.8,14.8,9.9,14.1,12.4,14.5,17.4,23,23.6
2009,25.2,23.7,22.7,18.7,15,10.4,9.5,14.8,13.3,17.5,20.8,21.7
