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