1901,23.3,25.8,20.2,15.4,14.1,9,8.2,9.9,14.8,16.8,23.1,24.6
1902,23.6,23.3,19.9,16.8,14.1,10.3,9.8,9.7,14.5,18,22.2,22.1
1903,23.4,22.1,21.5,16.4,12.4,9.8,9.1,9.9,13.1,17.3,19.9,22.3
1904,23.7,22.1,18.3,17.2,14.1,10.6,9.2,10.1,12.4,17.2,19.2,23.6
1905,26,22,19.9,15.9,13.5,10.6,9.2,8.8,11.3,13.9,18.5,22.5
1906,26.7,25.5,19.3,16.4,13.6,11,9.6,9.8,13.4,17,17.9,23.4
1907,23.9,24.3,19,14.8,13.4,10.1,9.5,10.8,15.2,17.6,21.7,23.2
1908,28.7,25.1,20,17.1,13,8.6,8.9,9.8,12,17.6,21.5,24.1
1909,22.9,22.2,19.6,13.8,12.6,10.6,9.5,11.4,13.8,19.2,20.3,19.9
1910,24.9,25,20.3,17.5,13.5,11.1,9.9,11.8,13.9,15.3,20.3,20.2
1911,23.6,22,20.1,15.2,13.9,9.5,9.5,12.7,14.4,16.6,21.8,21.8
1912,24.2,26.3,22.4,15.5,13,10.8,9.2,11.3,14.1,17.3,19.4,22.1
1913,23.6,24.4,20.9,17.9,11.9,9.2,10.2,11.7,13.3,17.8,19.5,23.9
1914,24.6,26,22.5,17.2,13.6,11.1,9.2,12.9,14.1,19.7,23,24.1
1915,23.8,25.6,20.1,16.3,12.2,11.9,10.7,11.1,14.2,15.7,18.6,22.7
1916,24.9,23.9,20.4,15.1,13.3,10.7,10,10.4,14.7,15.7,16.8,21.8
1917,23.8,21.5,20.1,14.6,12.2,10.5,10.3,10.6,13.5,16.6,17.9,23.5
1918,24.6,23,20,16,14.1,10.9,8.7,11.1,13.9,16.1,19.4,22.2
1919,24,25.5,18.8,19,13.4,11.3,9.1,11.2,15,18,21.7,24.2
1920,23.4,24.8,20,16,11.8,11.2,9.5,10.5,13.3,17.6,19.9,22.7
1921,25.2,25.3,20.5,16.9,15.5,11.8,10.9,11.1,14.8,16.6,21.2,22.1
1922,21.7,25,20.1,18,13.5,10.4,9.6,10.2,13.3,17.2,20.7,22
1923,23.1,24.9,21,19.1,14.8,11.1,10.1,10.3,13.1,15.9,17.3,23
1924,21.3,21.4,19.8,14.1,12,9.5,9,10.9,13.4,16.6,18.6,20.9
1925,22.9,23.1,20.4,17.6,13.3,11.4,9.1,9.9,12.1,17.2,19.9,22
1926,22.4,24.8,21.8,16.8,12.2,10.8,10.6,10.9,15,16.9,19.7,21.7
1927,24.4,22.2,20.1,15.7,12.6,9.8,9.7,10.6,13.6,18.1,20.9,21.8
1928,22.9,22.9,21.6,17.4,11.9,9.5,9.4,11.5,16.1,16.3,19.6,23.2
1929,24.8,25.6,19.9,16.3,14.2,9.3,8.2,10.9,12.8,16.3,18.7,19.6
1930,23.6,26.5,21.6,16.1,12.5,9.2,10.6,10.2,13.2,17.6,19.2,23.1
1931,22.3,23,20,15.2,12.6,9.8,9,10.3,13.5,15.8,19.2,23.8
1932,27.1,21.1,20.3,15.7,13.6,9.5,9.1,10.9,14.2,14.6,20,20.9
1933,22.6,23.5,20.5,16.4,12.8,11.5,9.6,9.7,13.2,17.8,20.1,21.4
1934,25.1,23.9,24.2,16,13.7,10.1,9.9,11,14.7,16,19.3,21.8
1935,22.8,22.4,20.6,16,11.8,9.7,9.5,12.1,13.8,17.2,19.6,22.3
1936,24,23.6,20.6,15.3,13.3,9.1,9.3,11.6,12.3,16.2,19.2,22.6
1937,21.9,24.3,22.4,15.4,13.4,9.2,8.8,11.7,13.8,17.5,21.1,21.9
1938,23.3,23,22.6,18,15.1,10.2,9.6,10.8,14.1,17.6,21.5,22.3
1939,28.3,25.7,21.5,17.8,14.3,10.9,8.5,10.7,13.1,16.4,18.3,20.2
1940,23.9,21.9,24,15.7,11.9,9.7,9.9,11.1,13.6,18.9,18.7,23.7
1941,22.4,22.9,20,19.3,12.9,11.1,10.5,10.8,13.7,15.1,20.5,23.1
1942,24.6,24,21.5,17.2,14.5,11.3,9.7,11.8,14,17,19.8,24.4
1943,24.5,24.3,21.8,15.3,12.2,10.2,9.7,9.5,13.4,16.2,18.9,21.9
1944,24.4,22.5,21.5,15,12.2,9.5,9.4,10.4,15.2,17.3,21.7,21.6
1945,23.7,21.5,18.9,16.2,13.4,12.2,8.8,11.9,13.3,16.5,19.5,24.9
1946,24.8,22.2,18.4,14.7,14,9.4,11.1,11.4,13.6,15.2,19.9,22.6
1947,24.8,25.1,21.2,16.4,15,11.6,9.5,10.3,14,16,18.7,21.8
1948,23.4,24.4,18.6,16.4,12,10.4,9.5,11.8,14.7,15.9,19.4,21.7
1949,23.8,20.5,20.5,14.9,11.9,8.7,9.7,11.4,13,16.6,19,21.3
1950,23.1,22.6,20.1,16.3,13.9,9.8,10.6,11.3,14.6,16.5,20.6,24.5
1951,26.6,24.3,23,14.7,13.2,11.3,9.5,9.7,14.5,16.4,19.3,23.2
1952,25,21.9,22,14.9,12.5,10.7,8.7,10.9,14.5,15.6,18.4,21.8
1953,24.4,23.3,22.9,18.2,13.2,11,10,10.4,13,15.9,19.1,22.3
1954,24.8,21.3,19.6,18,13.2,10.4,10,11.4,13.6,17.3,20,23
1955,24.9,25,22.4,16.8,12.1,10.6,9.7,11.6,14.6,17.1,18.2,20.4
1956,23.2,26.2,22.3,16.6,12.5,9.3,9.6,9.6,12.2,14.6,17.6,20.3
1957,23.8,23.2,19.8,15.7,12.5,13.3,8.5,10.9,13.2,17.1,19.8,23.3
1958,22.9,23.2,20.6,17.6,15.5,9.3,9.4,11.2,11.6,15.4,20.7,19.7
1959,26.4,23.9,21.7,17.3,12.2,11,9.3,13.3,14.1,16.4,22.9,20
1960,27,21.9,22.4,16.3,11.3,9.3,9.7,9.3,13,17,17.2,24.6
1961,26.5,24.2,21.6,18.2,13,11.8,10,10.9,14.8,18.8,20.2,22.8
1962,25.1,22.7,21.6,17.1,11.5,12.5,10.5,11.4,13.5,16.1,20.8,21.8
1963,23.2,23.6,21.6,15.6,14,10.4,9,10.6,14.1,18.4,19.9,23.6
1964,23.3,22.4,21.1,16.8,12.8,10.4,10.5,11.8,14,15.3,20.8,18.9
1965,22.7,25,21.1,14.4,13.4,10.2,8.9,11.2,14.8,19.4,19.2,25.1
1966,25.6,22.6,20.6,15.8,12.2,9.5,8.9,10,13.7,16.8,21,21.8
1967,23.9,25,20.3,18.4,13.5,11.9,10.2,10.2,13.9,18.3,19.8,21
1968,26.3,26.2,22.9,18.7,12.3,10.2,8.5,10.2,12.9,17.1,18.7,21.4
1969,26.2,23.9,20.3,16.8,11.6,10,10.8,11.7,11.2,17.6,19.2,20.5
1970,22.9,25.2,19.9,17.9,11.9,10.9,10.1,10.2,11.9,16.5,19.4,21.9
1971,23.7,23.8,23.1,19.2,13,10.3,9.3,10.4,13.4,16.2,18.7,21.9
1972,23.3,23.6,20.5,17.1,13.8,10.5,10.1,12.6,14.8,17.3,19.8,23.8
1973,26.6,24,20,17.7,14,9.5,10.7,11.6,14.7,16.9,19.2,23.3
1974,25,23.2,23.8,16.7,13.9,10.2,10.3,11.4,12,15.9,18.7,21.4
1975,22.1,24.6,20.1,16.3,15.1,10.3,12.3,11,15.3,15.6,20.9,23.8
1976,22.6,25.2,21.5,16.2,11.4,10.4,9.1,11.1,13.2,14.9,18.8,22.4
1977,24.6,25.1,20.5,14.7,12.9,10.4,9.1,13.8,12.9,18.6,20.2,23.3
1978,23.3,23.6,21.5,16.8,14.4,10.4,9.5,10.2,13,16.6,19.6,21.5
1979,27.9,24.5,21.6,15.6,12.3,11.7,10,10.8,14.5,16.3,21.1,23.2
1980,22.5,23.8,21,18.8,14.2,10.2,9.7,11.5,15,17.3,21.7,24.2
1981,27.7,25.1,18.9,18.3,13.7,10.5,9.7,10.7,15.3,17.2,19.8,22.8
1982,26,24.3,21.8,17.1,13.6,8.6,8.4,13.6,13.9,16.5,22.8,23.7
1983,23,26.7,22.7,15.4,13.8,10.6,9.2,12.3,14.2,16.7,19.9,23.4
1984,22.3,23.3,19.3,16.3,13.5,10.4,9.3,11.7,11.8,16.6,20.3,22.1
1985,23.8,23.9,23,17.5,13.3,10.8,9.9,11.6,12.8,17.7,20.1,21.3
1986,22.5,22.9,23.1,17.1,13.6,10.4,9.5,10.8,13.4,14.9,19.6,20.8
1987,22.1,23.8,18.9,17.8,13.6,11.4,9.7,11.6,14.5,16,21.2,23
1988,25.7,23,22.1,18.3,15.3,11.6,10.8,11.9,15.2,18.5,19.3,24.2
1989,23.5,24.2,22.2,17.3,13.8,9.5,9,9.6,13.9,16.4,21.6,23.3
1990,24.9,22.9,22.7,17.8,13.5,10.5,10.7,10.4,14.1,17.8,22,24
1991,24.9,24.4,20.7,16.7,13.2,13.2,10,11,13.8,18.8,19.6,22
1992,21.8,23.8,22.9,17.5,12.9,10.8,10.4,10.3,11.9,17.3,17.4,22.2
1993,23.7,23.4,20.9,18.3,13.8,10.7,10.8,13,14.2,16.1,19.9,21.3
1994,22.8,23.8,19.9,16.9,13.7,11.7,10,10.3,13.2,17.7,19.9,25.2
1995,24.9,24.1,19.5,14.6,13,11.2,9,12.6,13.8,16.3,20.8,21.7
1996,23.7,22.5,21.3,15.3,13.1,11.4,9.9,11.1,13.4,17.4,18.6,22
1997,24.9,27.9,19,16.7,13.4,10.4,8.5,10.4,13.4,17.8,22.2,23.9
1998,24.4,23.4,21.5,15.4,13.6,10,9.1,12.4,15.7,16.8,20.1,24.1
1999,27.6,24.4,20.7,15.4,14.1,10.7,10.7,11.4,15.7,18.3,18.6,21.7
2000,23.8,26.9,22.1,17.4,12.1,10.1,10,10.6,15,16.5,22.8,24.2
2001,28.9,26.7,20.4,16.7,13.4,11.4,9.6,11.8,15.9,15.2,19.4,21
2002,23.6,22.6,21.2,18.8,13.8,11.3,10.6,11.4,15.1,17.4,21.9,24.1
2003,25.8,25,20,18,13.9,11.5,9.7,10.6,13.8,15.2,21.8,25
2004,22.8,26.2,20.8,17.9,12.3,11.2,9.8,12,14,19,20.4,23
2005,24.6,22.1,20.7,19.9,14.2,11.4,10.4,12.1,13.7,17.3,21.2,23.8
2006,28.4,24.1,22.7,14.7,11.8,8.8,9.8,12,15.9,18.4,21.9,23.4
2007,25.3,26.6,22.1,18.9,15.6,8.4,9.5,12.8,15.1,18.4,23.4,24.6
2008,26.4,22.8,23.6,16.4,13.2,12,9.6,10.1,15,19.2,20.2,21.9
2009,26.9,25.8,21.3,16.9,13.5,11.2,10.3,13.3,15.2,17.9,24.6,24
