1901,24.1,27.3,23.1,17.6,13.8,8.4,7.6,9.6,15.1,17.3,24.4,25.7
1902,25.9,25.9,22.7,17.1,13.4,9.9,9.3,9.4,13.6,18.6,24,22.8
1903,25.2,25,25,18.5,12.8,8.7,8.6,9.4,12.8,17,20.4,21.9
1904,23.8,23.5,21,18.4,13.9,8.4,8.5,9.7,11.5,17.9,21.3,24.7
1905,27.1,24.4,23,18.2,13.3,9.3,7.6,8.9,10.9,14.1,20,23.6
1906,27.7,26.8,20.5,18.5,13.8,10.9,8.5,9.8,12.7,16.3,17.5,23.1
1907,25.1,24.9,21.2,16.7,14.2,10.9,9.4,10.9,14.9,18.5,21.6,25.6
1908,28.8,24.5,21.9,17.6,12.8,7.7,8.4,9.2,11.9,17.1,23.8,24.7
1909,25.5,24.1,22.6,16.2,12.7,10.5,7.7,10.3,12.2,18.5,22.2,22.5
1910,25.4,25.6,22,19.4,14.3,11.7,9.4,11.5,15.2,16.5,20.8,23.1
1911,24.2,23,21.2,16.5,13.3,9.1,9.5,11.5,15,17.6,23.1,24
1912,26.2,28.2,24.2,17.5,13.1,10.7,9,11.7,13.5,18,22,25.1
1913,26.8,26.3,21.2,19,11.7,9.2,9.7,10.4,13.4,19.8,20.5,26.7
1914,27.6,27.8,23.8,19,14.2,11.8,9.2,11.7,15.4,19.2,25.1,26.5
1915,26.1,28.5,24.3,18.7,13,11.3,10.7,11,15.3,17.3,21.7,25
1916,27.8,26.7,23.6,16.7,14.4,10.7,9.3,10,14.4,15.6,17.6,23.7
1917,26.3,22.6,22.6,16.1,13.1,10.2,9.3,10.4,14.1,17.7,19.1,24.7
1918,24.7,24.2,21.6,17.7,14.2,9.9,7.8,11.2,13.3,17,22,24.9
1919,26.9,26.9,21.3,20.1,14.9,10.7,8.2,10.2,14.7,19,24.3,26.4
1920,25.1,25.9,21,17.4,12.3,10.4,9.1,9.1,12.7,16.7,21.3,23.6
1921,25.7,25.6,21.1,17.6,14.9,10.7,10.5,9.2,14.4,15.9,22.7,24.3
1922,24.2,26.3,22.2,19.9,14.3,10.4,9.5,10.4,14.7,19.4,21.5,25.5
1923,25.7,27.8,24.2,19.4,15,10.8,9.9,10.4,13.7,18,19.1,26
1924,23.9,23.1,22,16.2,11.3,9.1,9.6,10.9,14.9,17.5,19.6,21.3
1925,23.5,24.5,21.3,17.9,13.4,10.7,8.1,9.6,11,17,21,24.3
1926,24.2,28.6,22.8,16.9,11.2,9.7,9.8,10.8,14.6,18.2,21.7,23.2
1927,26.6,24.7,21.4,16.8,11.6,9,8.2,9.9,13.9,18.7,22.4,22.9
1928,23.7,24.8,22.7,18.4,12,9.4,9.3,12.5,15.6,17,21.9,25.7
1929,27.7,26.3,22.1,16,12.5,9.3,7.5,10.1,13.6,17.9,20.7,23.6
1930,25.6,27.4,23,17,13.5,10.7,10.1,10.2,12.2,18.5,21.2,23.5
1931,23.7,25.7,20.9,15.6,12.3,9.6,8.5,9.7,12.9,16.2,20.6,23.5
1932,28.8,24.3,21.5,16.5,13.7,9.1,8.7,11.7,13.7,15.5,21.5,24.4
1933,25.6,24.5,23.7,17.7,12.8,10.2,10.1,9.4,13.7,18.5,19.8,22.2
1934,25.7,23.7,23.2,16.6,13.8,9.5,10.3,10.9,14.5,15.1,20.5,23.5
1935,25.5,24.9,22.6,17,12.2,9.8,9.6,12.1,13.8,18.2,21.7,24.3
1936,25.2,25,21.1,16.5,13.8,8.3,9.6,11.1,12,17.7,20.9,23.5
1937,24.2,24.5,21.7,16.4,12.9,9.6,8.7,12.2,15.8,19.9,22.1,26
1938,25.9,25.2,25,18.7,15.4,9.8,8.3,10,14.2,19.3,23.3,26.2
1939,30.2,27.6,22.1,17.3,15.3,10.2,8,10.1,12.9,15.9,20.1,23.9
1940,27.5,25.8,25.5,17.4,12,9.6,9.5,11.1,14.6,18.8,20.7,25.6
1941,22.6,24.1,20.3,18.7,13.2,10,9.5,10,14.2,16.6,22.4,24.4
1942,27.8,23.6,22.6,18.4,14.2,10.9,9.2,10.6,13.2,17.3,20.7,24
1943,24.3,25.5,24.7,16.3,12.3,8.4,8.3,8.8,13.8,18.3,20,24.7
1944,27.5,24.9,22.8,15.3,11.8,9.8,9.6,11.3,15.5,19,23.9,25.2
1945,26.8,25,21.2,17.5,13.5,12.7,8.4,11.3,13.5,17.4,22,26.7
1946,28.3,26.2,19.8,16,12.8,8.3,10.1,10.5,13.6,17,23.5,24.7
1947,27.6,25.4,21.8,16.9,14.9,10.2,9.4,9.9,13.5,16.7,19.4,23.4
1948,23.9,26.7,20.9,17.2,11.9,9.8,7.8,11,14,17.2,20.7,25.3
1949,24.2,24.1,22.5,16.1,12.6,8.1,9.3,10.7,13.7,18.2,19.6,24.6
1950,25.7,23.8,21.1,17,13.3,10.6,10.8,10.9,14.6,16,19.1,24.6
1951,25,25.2,23.9,15.2,12.9,10.8,8.8,8.6,14.9,17.2,20.3,24.4
1952,27.8,24.8,22.5,16,12.1,9.4,8,10.6,12.8,17.3,19,24.2
1953,25.3,23.7,23.6,18.2,13,9.6,9.3,9.7,14.4,17,20.5,25.1
1954,25.4,22.3,20.7,18.9,12.5,10.1,9.6,11.4,13.7,17.5,20.8,24.3
1955,25.2,24.6,23.8,18.1,11.9,10.4,8.1,10.9,14.3,15.5,19.1,22
1956,23.4,24,21.6,16.1,11.7,8.9,9.7,9.1,12,14.3,17.6,22.4
1957,26.4,25.1,22.1,17.9,12.8,12.6,7.1,10.6,13.2,18,22.3,26.8
1958,25.6,24.8,22.2,18.6,14.8,9.6,8.2,10.9,11.7,16.7,22.8,23.8
1959,25.9,24.9,21.6,17.6,12.4,10.7,9,11.8,14.1,16.8,24.4,22.9
1960,27.4,25.3,22.8,17.8,11.3,9.1,9.7,9.1,13.6,17.5,18.9,24.2
1961,25.8,25.4,22.4,18,12.1,10.6,8.8,10.2,14.4,20.3,21.9,23.6
1962,24.3,24.5,22.1,17.3,11.7,11.1,10,10.5,13.7,16.5,21.9,22.7
1963,23.5,24.4,23.2,17.3,14.1,9.9,7.9,10.3,13.2,18.3,20.3,24.9
1964,24.6,24.2,22.3,18.1,12,10.3,8.9,10.7,14.1,15.4,21.3,22
1965,25.3,26.8,22.9,16.5,13.2,9.3,8.7,11.4,16.8,20,21.3,25.6
1966,26.1,24.4,22,17.7,12,9.1,8.4,10,13.4,17.2,20.7,23.6
1967,26,26.1,20.6,18.2,13.6,12.2,8.9,9.7,13.8,20,21.5,23.1
1968,25.6,26.5,23.4,19.1,11.7,8.9,7.5,9.8,12.8,17.9,21,23.2
1969,27.8,26.4,22.1,16.8,11.9,9.3,9.8,11.2,10.8,18.2,19.5,23.1
1970,24.3,26.2,20.6,17.6,11.5,10.5,8.9,10.1,12.3,17.9,20.1,24.2
1971,25.4,23.4,23.6,18.1,12.9,9.2,8.3,10.2,13.9,17.7,19.1,24
1972,23.4,23.3,21.5,17.1,13.8,10.6,9,12.1,15.8,18.5,21.5,26.2
1973,28.3,24.5,22.1,18.6,13.9,10.7,10.9,10.9,14.2,18.1,20.4,24
1974,24.3,24.1,23.2,18,14.2,10,9.1,10.4,12,16.3,18.6,23.3
1975,24.2,24.8,21.4,17.2,14.3,10.4,11.1,10.7,14.6,16.3,21.9,25.8
1976,23.8,24.3,21.9,17.1,12.8,10.4,9.2,10.2,12.6,15.5,19.6,24.4
1977,26,26.7,21.6,16.6,13.4,9.4,8.2,11.5,13.5,19.3,22.4,25.5
1978,25.4,26.3,22.9,17.2,14.2,10.1,8.3,9.1,12.7,16.6,19.8,22.5
1979,28.9,26.8,23.2,17.1,12.3,11.3,9,10.2,13.5,17.5,22.7,26.2
1980,25.2,25.9,23.6,18.7,13.9,9.5,8.9,10.9,15,19.7,23.1,25.9
1981,29.9,27.5,21.5,18.6,13.8,9.9,9,9.6,15.4,18.7,20.2,24.6
1982,27.5,27.2,22.2,17.3,13.2,8.6,8.4,13.4,13.8,17.6,23.8,26.1
1983,25.7,28.2,24.4,15.6,13.7,9.3,8,10.8,14.5,18,19.7,24.2
1984,22.6,24.3,20.2,17.3,13.1,10.9,8.5,10.9,11.8,17.2,21.5,23.5
1985,25.7,25.3,23.6,17.5,13.8,8.9,9.2,10.4,13,17.7,20.6,23.1
1986,24.5,25.2,24.8,18.6,14,9.7,9,10.3,13.8,15.6,20.3,22.7
1987,25.5,26.2,20.1,18.6,13.5,11.3,9.3,11.6,14.1,17.2,21.9,24.1
1988,27.8,24.5,22.5,18.1,14.4,10.1,10.3,11.1,14.6,19.4,20.8,25.5
1989,24,25.6,23.1,18.4,14.9,9.4,8.6,8.8,13.3,17.6,21.4,24.8
1990,27.1,24.7,23.7,17.8,13.5,9.2,9.4,9.7,13.4,18.5,22.4,26.6
1991,27.3,28.3,22.9,17.4,14.4,12.8,9.3,10.7,14.6,20.2,21.7,23.4
1992,24.4,23.9,23.5,18.7,13.9,10.3,10.2,10.4,12.7,17.8,18.9,22.7
1993,27.2,26,22,19.5,14.2,10,11.2,11.7,14,16.5,21.5,23.2
1994,26.3,26,20.8,18.1,13.9,11.6,10.1,10.5,13.7,18.5,21.7,27.1
1995,24.8,24.8,21.8,15.8,14.1,10.9,8.6,12.5,14.3,18.9,21.2,23.5
1996,26.1,23.7,22.4,16.2,13.8,11,9.1,10.2,13.3,18,20,24.3
1997,25.4,28,22.2,17.8,14.2,9.8,8.6,10.3,14.1,18.4,24.2,26.5
1998,26.5,25.6,24,17.3,12.7,9.6,7.9,11.4,14.4,16,19.8,25.2
1999,28.4,24.4,22.2,15.5,13.9,10.6,10.2,10.7,15.5,18.6,18.2,22.3
2000,23.4,25.7,22.6,17.2,12.3,8.9,8.8,9.9,15.5,17.1,21.4,25
2001,28.6,27.6,21.6,17.8,12.4,10.4,9.1,10.3,15.5,16.6,20.7,23.8
2002,26.1,24.3,22.8,19.5,13.3,10.2,9.4,11.5,15.5,18.7,24.5,25.8
2003,28,26.9,21.6,17.8,13.8,10.8,9.8,10.3,13.9,16.1,21.9,26.5
2004,26.8,28.6,23,19,12.2,10.1,8.5,11,14.1,19,21.5,24.4
2005,27.5,25.5,22.3,21.2,14.3,11.7,10.3,10.5,13.6,18.4,22.3,26.1
2006,29.8,28,24.2,16,11.8,8.6,9.2,11.1,15.6,20.1,23.9,25.1
2007,26.6,27.2,24.2,19.1,15.4,7.8,9.1,13,15.2,20.1,22.2,23.9
2008,26.6,23.3,22.5,16.4,13.5,11.2,9.2,9.1,15.1,20.3,21.3,24.4
2009,28,25.8,23.3,17.6,13.8,10.5,9.4,12.4,15,17.9,24.9,25.2
