1901,22.1,24.1,19,16.6,14.5,10.2,8.8,10.1,13.6,15.1,21.1,22.5
1902,22.3,21,19.1,18.4,14.9,11.1,10,10.5,13.4,16.3,20.9,19.8
1903,22.3,20.7,19.5,16.3,12.3,10.4,8.9,10.7,12.6,16.6,19.3,19.3
1904,20.6,20.6,18.7,19.3,13.6,10.8,9.3,10.6,11.7,16,18,21.4
1905,23.2,19.8,18.9,17.3,14.3,11.1,9.4,9.6,11.6,13.3,17.3,20.7
1906,25.3,25,19.1,17.7,14.7,13,10.4,10.4,12.1,15.6,16.2,20.8
1907,20.7,23.1,17.7,15.6,13.5,10.6,9.7,11.4,13.9,16,18.5,19.2
1908,26.1,22.3,18.2,16.9,12.5,8.9,8.6,9.9,11,15.9,19.7,21.8
1909,21.6,20.7,19.8,14.7,13.1,11,8.4,10.3,12,16.3,17.5,18.6
1910,24.1,23.5,19,17.3,14.7,12,9.8,11.9,13.1,13.5,17.8,17.9
1911,22.7,20.2,18.6,16.2,13.3,10.9,10.2,12.2,12.9,15.6,21,19.1
1912,21.9,24.4,20.7,15.5,14.5,11.2,9.9,11.5,13,15.8,16.8,20.4
1913,20.6,21.5,18.8,18.1,11.8,9.9,10.6,12,12.3,17.1,17.9,21.9
1914,21.9,23.3,21.2,17.4,13.5,11.4,10.1,13.3,13.1,17.6,20.6,21.4
1915,21.9,22.8,20,16.9,12.9,12.8,12,12.3,14.3,16.1,18,20
1916,21.8,22.2,20,15.6,14.4,11.5,10.4,12,13.8,15,16.4,19.6
1917,21.5,20,19.3,15.1,12.2,11.1,11.7,11.1,13.4,15.3,17.8,21.1
1918,22.4,21.8,19,16.6,14.5,12.4,9.8,11.7,13.4,16,18.6,20.7
1919,22.1,22.4,19,17.9,12.9,11.8,10.9,12.1,13.4,15.9,19.2,21.6
1920,20.8,21.7,19.5,16.3,12.7,11.6,10.5,11.7,13.7,16.1,18.8,20.5
1921,22.5,23,19.7,17.2,15.2,12.3,12,11.3,13.7,15.7,20.4,18.9
1922,21,23.6,19.9,18,12.8,9.9,9.1,10.9,12.5,15.9,19.5,20.5
1923,22.5,23.7,20.5,18.7,15.2,10.9,10.3,10.6,12.1,14.7,16.8,20.1
1924,20.2,20.4,18.3,14.2,12.7,9.6,10.1,11.4,12.6,16.1,18.1,19.2
1925,21.6,22,20.7,16.9,13,10.4,9.6,10,11.7,15.2,18.9,20.9
1926,21.5,22.4,19.9,16.6,11.3,10.2,10.4,10.6,13.1,15.9,16.6,18.7
1927,22.8,19.7,18.6,15.1,12.4,9.9,9.7,11.1,12.9,16.3,19,19.9
1928,20.5,19.5,19.6,17.8,12.5,10.5,10.1,12.1,14,15.1,18.8,20.7
1929,20.3,22.6,17.9,15.4,12.7,10.5,8.9,10,12.3,15.5,17.4,17.9
1930,21,23.7,21.5,16.8,14.1,10,11.4,11.2,12.8,17.1,18.8,21.9
1931,20.4,19.3,18,15.3,13,9.5,8.9,10.5,12.8,14.5,17,21.8
1932,24.3,18.9,18.5,15.4,14.1,10.8,9.7,10.6,12.6,13.3,18.4,19.1
1933,20.4,22.7,18.5,15.9,13.3,11.2,9.4,10,12.3,16.6,17.4,19.5
1934,23.4,22.5,22.1,15.3,14.7,11.5,10.6,10.3,14.2,15.4,18,20.8
1935,20.7,20.8,20.4,15.5,12.6,10.3,10.1,11.5,13.2,16.3,18.6,20.1
1936,22.3,20.4,19.3,15.4,13.2,9.6,9.6,11.8,12.5,15.3,18.1,20.6
1937,20.4,21.4,21,15.8,14.2,9.6,8.9,11.1,13.7,16.5,19.2,19.8
1938,20.4,19.8,20.3,17.1,13.3,9.7,10,10.4,13,16.1,20,21.4
1939,26,22.6,19.2,16.8,14.8,11.6,9.5,10.4,12.3,15.5,17.1,18.4
1940,21.4,20.2,22.8,14.3,11.5,10.3,10.2,10.8,12.9,17.8,16.3,20.8
1941,19.9,19.6,17.9,18.4,12,11.1,10.5,11.2,12.8,14.6,20,22
1942,22.4,20.3,20.7,16.1,13.4,10.6,9.6,10.9,12.5,15.3,18.2,21.1
1943,21.9,21.7,21.1,14.5,11,10.2,9.4,8.9,11.8,14,16.6,18.8
1944,21,20.6,19.9,14.6,12,9.9,9.4,10.5,14.9,15.7,20.1,19.9
1945,20.5,19.5,17.9,16.6,13.2,11.9,8.6,11.5,12.5,15.1,17.8,22.5
1946,22.3,19.4,18.1,14.2,14.3,10.2,11.2,11.6,12,14.7,18.3,20
1947,22.2,24.2,19.4,16.5,14.5,11.9,9.9,10.8,12.5,14.8,16.8,19.7
1948,21.7,20.9,17.4,15.7,12.7,10.1,9.9,12,14.4,14.8,17.2,19.7
1949,20.7,18.2,18.8,15.8,12.5,9.2,10.4,11.6,12.5,15.1,17,20.1
1950,21,20.3,18.6,16.7,15,10,9.4,10.8,13.2,14.3,18.8,22.1
1951,24.1,22.2,20.4,15.7,13.9,11.4,10.1,9.7,14.2,15.1,18.8,20.8
1952,21.4,19.3,19.8,14.4,13.2,11.6,8.8,10,13.2,14.7,16.1,19.5
1953,20.7,20.8,21.6,17.2,13.1,11.6,10.4,10.3,12.3,15.3,17.2,19.8
1954,22,18.6,18.8,16.8,13.5,11.2,9.9,11.2,13.5,15.8,18.3,21.4
1955,23.3,23.7,19.8,16.6,11.9,11.6,9.4,12,14.3,15.4,16.6,19.3
1956,20.6,23.9,19.9,16.9,14,10,10.5,9.7,11.2,13.6,16.5,18
1957,21.4,21,18.4,16.7,13.8,14.2,8.8,10.8,12.4,16.5,18.1,21.6
1958,21.6,21.6,18.7,17.3,15.2,9.5,10.4,11,11.7,14.9,18,18.2
1959,23.1,21.3,20.3,17.7,13.5,11.2,9.5,13.3,13.6,16.5,21.1,17.5
1960,23.7,19.8,21.3,15.1,11.5,9.3,9.4,9.9,12.2,16.2,16.2,21.7
1961,24,22.3,20.3,17.7,13.5,11.9,9.7,10.7,15.6,16.8,18,20.4
1962,22.5,21.3,19.6,17.1,12.1,13.6,10.8,11.9,13.4,15,20.1,19.4
1963,21.9,22.3,19.7,15.7,13.8,11.2,10.2,11,13.9,17.3,19.6,21.2
1964,21.3,19.3,19.6,16.8,13.2,11.4,11.3,11.2,13.4,14.3,17.9,17.9
1965,21.2,23,20.6,14.7,14.2,10.6,10,11.3,14,18.5,19.3,22.9
1966,23.7,21.2,20.2,16.4,13.4,11.8,9.7,9.7,12.1,14.2,19.2,18.7
1967,20.4,21.9,19.2,18.6,14.2,11.7,10.2,10.6,13.4,17.3,18.7,19.6
1968,24.4,23.7,20.7,18.3,12.6,10.9,9,9.9,12.3,16.9,16.7,19.2
1969,23.7,20.7,19.2,17.6,12.7,11.1,10.6,11.9,10.9,16.8,18,18.3
1970,20.4,22.7,18.2,16.9,12.6,12.5,10.9,10,11.6,15.3,18.1,19.9
1971,21.6,22.4,22.2,18.6,13.1,11,9.8,10.5,13,15.5,16.8,19.2
1972,20.9,21.5,18.9,17.4,14,10.5,10.9,11.8,13.3,15.9,17.8,21.9
1973,24.5,21.6,20,18.5,15.3,10.4,10.8,11.5,13.8,16,18.2,21.2
1974,24.8,21.3,21.9,17.2,13,11.1,11.2,11.5,11.8,15.6,16.8,19.4
1975,20.2,23.4,18.4,16.9,15.7,9.9,12.6,11.6,13.7,14.6,19.8,21.8
1976,21.2,22.9,19.4,16.1,12.6,10.5,10,11.9,13.5,14.3,17.2,21
1977,22.7,23,18.9,14.9,13.7,10.8,10.9,14.4,12.9,17.3,18.9,22.6
1978,21.4,21.9,20.8,17,14,11.5,10.6,10.3,11.8,15.6,18.4,19.5
1979,25.1,23.3,20.3,15.7,12.2,12.3,10.8,11.2,13.2,15.3,19.4,20.7
1980,20.7,21.2,19.3,18.1,14.8,11.3,10.5,12.1,15,16.2,20.3,21.6
1981,25.2,22.9,17.8,18.9,13.7,11.2,10.4,11.5,15.7,15.7,17.8,20
1982,23.9,21.8,20.1,16.6,13.9,9.9,9.4,14,12.8,16,20.8,21.3
1983,21.4,24,20.2,15.9,13.4,11.1,9.3,11.9,14.3,16.1,19.2,22.1
1984,20.9,21.9,19.1,16.2,14.4,10.6,9.9,11.6,11.6,16.2,18.5,20.1
1985,22,21.7,21.6,17.1,12.9,11.6,11,11.6,12.4,15.6,18.3,19.6
1986,21.2,21.3,21.9,17.1,13.9,11,10.1,11.4,12.9,14.6,18.6,19.9
1987,20.9,21.7,19.2,17.6,13.7,11.8,10.6,11.3,13.4,15.7,19.2,20.7
1988,23.3,20.6,21.1,17,15.1,12.4,10.9,11.9,15.2,17.6,18.1,20.7
1989,22.5,22.6,20.8,17.2,13.7,9.7,9.5,10.1,13.2,15.6,18.7,21.8
1990,22.8,21.2,21,17.2,14.9,11.2,10.6,11.1,13.9,17.3,19.9,20.5
1991,23.7,23.2,19.5,17.7,14.3,13.7,11.1,11.9,14.1,17.6,19.2,19.6
1992,19.6,22.4,21,17.8,13.4,11,11.1,10.9,11.5,15.6,16.4,19.3
1993,22.4,21.2,19.9,18.4,14.5,10.7,11.1,13,13.6,15.7,19.7,20.1
1994,21.2,21.6,20.3,17.2,14.5,12.3,11.6,10.9,13,17.2,18.1,22.8
1995,22.8,23,18.4,15.7,13.4,12.3,10.6,12.4,13.5,17.3,18.5,20.3
1996,20.9,22.7,21.1,15.5,13.8,12.4,11.4,11.6,13.3,15.9,17.4,20.5
1997,23.2,26,17.8,17.9,13.4,11.2,8.5,11,14.1,15.6,20.3,20.7
1998,21.9,21.6,20.3,15.7,14.3,11.1,9.3,12,13.8,15.8,18.3,20.8
1999,24.1,22.9,20.1,14.9,14.8,11.5,11.5,11.8,15.8,16.8,17.1,20.8
2000,22.5,25.5,21.2,17.1,13.4,11.2,11.3,11.2,14.7,15.5,21,22
2001,26.4,24.2,19,16.7,13.7,11.9,10.5,12.2,15.1,14.1,17.4,17.5
2002,21.2,19.5,19.8,18.7,15.3,12,11.6,11.1,13.3,15.9,19.8,21.5
2003,23.6,22.2,18.4,16.9,14.3,12.1,11.1,11,13.2,13.8,20.3,22.5
2004,19.9,24.3,19.9,18.6,13.4,12.8,10.4,12.2,13.2,17.7,19.4,20.5
2005,22.3,21.1,20.4,19.5,15.3,12.9,10.9,12.4,13.8,16.2,19.3,20.8
2006,24.8,20.4,21.3,16,12.2,9.6,10.2,13,14.6,16.6,19.4,20.2
2007,22.7,23.3,19.9,18.4,14.6,9.1,10.6,12.3,14.6,16.4,19.6,21.1
2008,23.2,20.2,22.6,17,13.8,11.9,10.5,10,13.8,17.5,18,19.3
2009,23,22.9,19.4,16.9,12.8,11.6,11.5,12.8,13.8,15.9,21.9,20.9
