1901,21.9,20.9,19.7,15.7,15.4,14.9,13.5,14.1,19.3,18.7,20.3,22.9
1902,23.2,21,20.6,18.5,15.5,14.1,12.6,11.7,17.6,18.1,20.1,23.1
1903,22.8,22.3,19.1,15.8,13.7,12.4,12.2,13.8,18.6,17.6,20.4,21.5
1904,22.5,21.1,19.2,17.5,14.8,12.7,13.8,14.5,18.9,17.9,20.8,21.3
1905,22.4,20.7,20.4,16.1,14.7,13.7,12.6,14.2,17.4,18.9,20.1,19.9
1906,21.8,22.1,20.9,18.2,15.5,10.6,12.5,13.9,17,18.2,20.5,22
1907,22.1,21.5,20.4,15.6,12.7,11.1,12,12.8,16.8,17.6,20.7,22.1
1908,22.4,21.4,20.5,15.9,13.9,12.8,12.9,12.6,16,17.5,20.4,22.1
1909,23.1,20,19.6,16.8,12.3,12,12.2,14.6,17.3,18.2,20.6,22.2
1910,22.4,19.9,17.8,17.2,14,12.3,11.8,13.8,15.9,17.4,21.6,21.9
1911,22.1,21.9,18.8,16.4,14.9,11,12.1,12.4,15.3,16.7,20.2,21.3
1912,21.8,21.1,19.8,16.4,13,12.1,10.5,13.4,16.8,18.2,20.2,22.5
1913,21.5,21.1,18.8,17.1,15.2,12.8,13.8,14.3,17.1,18.5,21.3,22.7
1914,24.4,22.2,19.6,16.4,15.8,14.2,15.5,14.4,16.3,16.8,20.3,22.3
1915,23,22.3,19.8,19.2,16.2,10.6,13.7,14.6,15.9,17.8,22.1,24.2
1916,23.5,20.9,20.2,18.6,15.3,8.7,10.2,13.7,16.8,17.8,21.9,21.3
1917,22.3,20,18.4,16.2,12.2,11.8,11.2,13.4,16.9,17.1,19.9,22.3
1918,21.6,19.8,19.5,17.2,13.4,11.6,12.1,14.2,15.4,17,19.9,22.8
1919,22.6,20.8,19.9,17.6,16.5,11.6,12.4,12.9,15.1,17.6,20.4,22.8
1920,22.7,20.4,20.6,17.1,15.1,11.1,10.3,13.7,16.6,16.5,20.6,21.4
1921,21.9,20.5,18.5,16.4,15.4,9.1,9.9,13.1,15,17.2,19.4,22.1
1922,21.3,20.3,18.4,15.6,13.6,9.6,12.9,12.4,16,15.9,19.8,21.5
1923,21.3,21.1,19.7,17.2,11.8,12,9.8,12.6,16.6,15.9,20.7,20.9
1924,21.1,21.4,19.4,16.6,13.1,11.6,11.8,12.2,15.2,16.9,19.7,22.6
1925,22.6,21,20.4,16.2,13.2,11.4,11,15.3,16.8,17,20.4,22.2
1926,22.8,21.4,21.4,16.5,13,12.5,11.4,13.5,15.9,18.5,21.9,22.5
1927,23.1,21.6,19.8,17.1,13.7,11,11.3,13.4,15.4,17.2,21.7,22.4
1928,22.1,20.4,20.2,17.8,13.6,10.5,11.7,13,14.8,17.3,21,21.6
1929,22.7,21.9,19.4,17.4,13.2,11.6,12.7,13.4,17.4,17.1,22,22.9
1930,23.2,21.4,20.1,17.5,14.1,15.7,11.9,12.5,16.6,16.3,19.9,22.1
1931,20.5,21.2,19.3,15,10,9.8,11.4,12.4,13,17.9,17.8,20.9
1932,21.6,19.6,20.1,16.1,12.1,12.2,13.3,12.8,15.6,17.1,20.7,20.4
1933,21,20,18.6,16.1,14.3,11.8,10.3,14.6,15.3,17.9,20.1,21.9
1934,23.4,19.8,19.6,13.9,13.1,13.5,12.8,13.9,14.1,15.3,18.4,20.9
1935,23.7,22.3,21.1,14.6,14.7,13,11.5,14.1,13.6,13.5,20,21.9
1936,22.9,20.6,19.7,16.1,13.3,11.4,12.6,12.4,15.4,16.8,17.9,22
1937,21.5,23,19.3,15.8,12.7,12.8,11.1,13.5,14.4,14.2,19.5,21.8
1938,21.2,19.3,18.4,13.3,13.3,11.4,12,11.7,16.1,16.7,19.9,22.7
1939,22.4,20.6,17.4,13.7,14.7,13.9,13.3,15.9,14.9,16.1,17.9,18.9
1940,21.2,19.6,18.7,15.4,14.2,12.4,13.1,11.9,14.4,14,17.5,20.6
1941,22.8,20,17.9,15.8,13.1,11.8,12.5,13.9,14.7,18.6,20.3,22.8
1942,23,21.4,19.7,15.4,12.3,9.5,10.3,13.1,15.6,16.8,19.9,21.5
1943,23.5,21.9,18.4,15.1,14.5,12.2,11.7,11.6,16.1,17.4,19.9,21.9
1944,21.4,20.5,19.1,16.3,13.6,13.4,12.7,15.5,18.7,17.4,19,23.5
1945,23.7,20.4,18.9,17.2,15.5,12.3,12.5,14.9,16.4,18.2,19.2,20.7
1946,20.6,20.5,18.3,16.5,13.2,10.6,11.2,14,16.7,15.5,20.6,21.7
1947,22.5,20.2,19.2,15.6,13.8,13.1,10.7,12.1,14.4,15.9,19.7,21.1
1948,22.6,19.7,18.4,15.8,13.5,12.3,11.3,12.8,16.8,16.7,19.2,22.8
1949,21.4,20.5,18.8,16.2,14.3,12.5,10.8,13.5,14.7,16,20.5,22
1950,21.9,20.3,19.3,16.3,14.3,12.3,12.5,14.5,14.6,15.9,19,21.4
1951,22.6,18.5,20,14.3,14.3,11.7,12.4,13.5,16,17.8,21.3,20.6
1952,22.2,20.2,22.4,16.4,15.2,8.3,12.2,13.4,15.5,15.9,18.7,21.6
1953,22.2,21,19.4,15.7,13.6,11.2,9,13.9,17.9,16.2,20.6,21.9
1954,23.3,20.5,19.9,14.6,10.9,10.3,9.5,12.8,14.3,16.6,21.1,23.4
1955,23.8,19.9,17.6,15,12.1,10.8,7.9,11.6,15.1,14.5,19.3,22
1956,21.7,20.3,20.3,14.8,10.5,10.1,11.5,12.4,15.7,15.2,18.1,20.4
1957,23.4,20.9,20.9,15.9,15.1,10.3,9.7,13,15,18.2,19.9,22.4
1958,22.1,22,19.2,16.7,12.3,12.5,13.7,11.7,15.5,16.9,19.9,19.2
1959,20.3,19.7,18.3,14.3,12.4,13,11.9,11.7,16.4,17.7,20.1,21.9
1960,23.9,21.8,19.9,16.3,12.7,12.3,10.8,13.3,16.2,16.4,21.1,23.8
1961,24.8,21.6,19.2,16.7,15.1,12.5,12.2,16.1,16.4,18.8,21.9,23.8
1962,23,21.6,21,14.3,12.4,11.1,7.8,13.4,17.5,16.5,21.5,20.9
1963,22.3,18.4,18.3,18.2,13,11,12.4,13.8,12.5,14.9,17.9,21.3
1964,22.2,21.1,15.8,15.2,13.5,10.1,9.6,12.9,15.7,15.1,19.6,21.6
1965,21.3,22,19,16.5,12.3,13.8,12.1,13.7,14.3,18.9,19.7,20.4
1966,21.7,19.5,20.4,16,14.4,14.1,12.1,13.6,15,17.1,19.9,20.6
1967,23.4,20.3,18.9,18.8,16.4,8.2,9.7,13.1,15.1,18.1,17.9,22.3
1968,21.7,21.4,18.7,15.1,13,9.7,11.6,13.1,15.7,16.1,21.4,22.4
1969,23.4,21.2,19.6,18.1,14.7,11.8,12.3,12.3,18.3,17,20.5,22
1970,21.7,22.7,19.2,19,13.4,10.8,11.5,12.7,17.3,16.2,20,23.3
1971,21.2,19.9,18.9,13.9,12.5,10.1,12.9,13.3,17,16.7,20.9,24.6
1972,23.3,21.8,18.7,15.2,14.5,12.1,10.1,12.2,16.1,17.2,19,21.8
1973,23.3,21,19.7,14.7,13.6,12.1,8.7,12.1,14.3,17.7,18.9,20.3
1974,22.7,18.1,19,15.9,13.5,10.6,10.3,13.2,12.8,16.8,21.2,20.1
1975,21.8,20.4,18.2,15.7,12.6,12.4,11,11.4,15.5,17.6,19.1,24.8
1976,21.8,20.7,17.2,15.1,12.7,10.8,10.7,11.2,13.8,17.4,21,22.5
1977,21.8,19.6,18.9,16.2,13.5,12.7,13.7,13,17.3,18.9,21.6,21
1978,20.5,20.7,19.2,17.2,15,11,14.2,10.8,17.5,18.6,21.5,21.8
1979,20.7,19.8,18.1,13.5,14.1,10.7,12.7,15.5,13.7,17.6,19.6,19.4
1980,22.5,21.6,21.4,15.5,14,11.1,11.2,13.9,15.8,16.4,19.7,22.3
1981,21.3,20.7,20.2,15.6,15.2,11.4,10.6,13.9,14.2,17.1,20,23.2
1982,21.7,20.4,18.2,16.4,15.9,9.1,12.1,14.6,15,19.3,20.4,21.6
1983,22,20,20.5,16.5,12.7,9.5,9.6,11.3,14.7,19.3,20.5,23.5
1984,22,20.2,17.6,13.8,13.7,7.4,11.3,10.8,15.5,18.7,19.9,20.1
1985,22.1,18.4,20.1,17.4,15.6,12.5,10,12.4,15.8,17.4,19.9,21.2
1986,23.9,20.3,18.1,17.7,15.3,12.6,12.1,12.4,14.8,16.8,21.6,23.5
1987,22,22.7,21.5,16.8,10.7,12.3,14,12.9,15.5,18.1,20.6,21.2
1988,22.9,20.1,21,15.2,10.4,10.5,8.8,14.2,14.1,18.1,22.6,23.8
1989,23.1,23,19.2,16.9,11.8,12.7,11.1,14.3,13.6,17.7,20.6,24.1
1990,23,19.3,18.4,15.2,13.3,11.2,9.8,14.4,14.4,17.7,21.3,22.4
1991,21.4,17.7,20.6,16.8,15,12.6,11.6,11.9,16.3,15.7,19.6,20.8
1992,21,19.3,20.1,14.8,13,11.8,9.3,12.9,14,17.3,18.5,21.3
1993,22.8,21,20.7,15.3,13.5,12.6,10.3,13.7,15,16.9,21.3,23.2
1994,22.9,19.2,20.3,16.2,16.3,14.6,12,14.2,17.7,17.5,20.1,25
1995,21.2,20.5,19.7,16.9,14.9,12.3,10.7,12.4,15.6,17.7,21,24.6
1996,21.4,19.9,20.3,15.4,13.8,8.9,10.8,14.9,14.8,17.5,21.7,22.5
1997,21.7,19.6,20.1,18.9,14.4,12.6,12.5,13.4,17.1,17.4,20.4,23.2
1998,21.8,17.4,18.2,14.7,14.1,14.3,13.1,12.5,14,18,20.3,23.1
1999,20.3,22.6,17.9,13.4,11.9,11.4,9.7,13.5,16.4,15.8,18.9,21
2000,21,18.7,16.8,14.9,11.7,10.4,9.6,13.8,14.7,16.8,18.1,21.8
2001,22,22.1,19.4,14.4,10.1,11,11.3,14,12.8,16.9,19.7,22.5
2002,21.8,20.4,20.3,14.9,12.8,10.1,11.1,13.9,15.8,18.5,20.1,18.9
2003,21.9,21.4,18.9,15.6,13,13.2,10.7,11.5,16.3,18.7,22.7,21.4
2004,24.2,20.5,20.8,16,9.4,11.6,11.4,13.5,17.7,18.7,19.7,21.4
2005,23.9,21.2,19.3,13.9,12.7,11.3,11.8,13.4,13.7,16.7,21.1,22.3
2006,22,21.8,20.2,15.4,12.7,12.1,13.3,13.6,16.6,19.8,20.3,22.5
2007,21.8,21.3,18.4,16.5,10.7,9.3,10.1,10.2,16,17.7,20.8,22.5
2008,21.3,20.1,18.7,16.1,13.6,10.4,13.1,14,14.8,17.2,21.8,21.8
2009,21.8,21.3,20.8,19.1,14.5,12.9,10.8,15,13.9,19,21.5,20.7
