1901,22.5,23,21.3,17.9,16.2,14.5,15.4,15.3,16.9,19.7,20.2,21.8
1902,22.5,24.1,22.4,20.2,17.9,16.4,16.3,14.3,17.7,18.7,21.7,23.4
1903,22,23.5,23.2,19,15.8,16.1,14.8,15.9,17.6,17.9,20.9,23.1
1904,22.1,22.3,22.6,19.3,14.9,13.8,15.2,15.7,17.5,18.3,20.7,21.9
1905,22.2,22.7,21.1,19.2,16.4,14.7,14.6,15.8,17.6,20.9,20.3,22.5
1906,22.7,22.5,21.5,19.3,17.6,15,15.2,16.7,16.4,19.4,20.3,22.1
1907,22.2,23,22.8,19.4,14.6,14.6,13.9,14.9,17.3,18.1,20,23.1
1908,22.3,22.2,21,19.2,16.2,15.4,15.4,14.4,17,18.3,20.1,22.2
1909,23.2,23.5,20.5,18.7,14.3,14.3,15.2,16.4,16.8,17.8,19.9,20.7
1910,23.7,22.5,21.5,20.1,15,15.9,13.8,16.4,16.5,17.7,20.2,21.9
1911,23.6,22.6,20.3,18.8,16.3,12.6,13.1,15.1,16.3,17.8,21.4,23
1912,23.3,24,22.5,19.4,17.5,15.9,13.3,16.3,15.2,18.2,21.2,22.7
1913,22.2,23.4,22.3,20.1,17,14,15.9,15.8,17.4,18.9,20.5,21.5
1914,24.1,23.6,22.8,19.6,16.2,17.5,17,16.2,18.2,19.6,22,21.7
1915,23.6,24.5,21.6,21.3,18.6,14.2,14.8,16.8,17.1,18.4,19.9,22.4
1916,23.5,22,21.2,19.1,17.8,15.3,13.8,15.4,17.9,18.2,20.7,22
1917,22.5,22.7,21,18.2,14.3,13.5,13.4,13.6,17.2,18.2,18.3,21.9
1918,22.4,22.4,21.4,18.6,16,13.7,13.5,13.9,15.5,17.8,20.3,21.4
1919,21.7,21.9,21.5,19.8,18.9,16,15.1,15.1,14.6,17.8,19.7,21.9
1920,23.5,23.2,22.4,20.1,16.7,14.6,14.7,14.4,17,19.1,21.1,22.5
1921,23.1,23,22.3,18.8,16.8,13.3,13.3,16.5,16.5,18,19.7,22.6
1922,23,22.5,21.7,19.5,16.5,14.9,15.8,17.1,17.5,17.4,20.3,21.8
1923,23.2,23.2,22.4,20.9,15.6,15.1,13.3,16.3,16.9,18.2,20.4,23.2
1924,22,21.9,22.7,19.4,16.1,15.4,14.7,14.6,16.6,16.9,19.5,22.3
1925,23.3,23.9,21.6,20.4,16.7,13.6,12.9,17.6,17.7,18,20.4,23
1926,23.4,22.2,22.6,19.7,15.8,16.3,14.6,16.5,18,18.9,21,22.7
1927,23.4,23.3,22.7,19.9,16.2,14.6,14.9,15.2,16.5,18.3,20.5,22.1
1928,22.8,23,22,21.2,16.7,15,15.1,15.2,16.9,18.7,20.7,22.9
1929,23.1,23,21.4,18.3,15.4,14.6,15.6,15.9,17.4,19.2,19.6,23
1930,23.7,23.2,22.4,19.6,17.5,16.9,14.6,16.1,16.7,18.3,20.1,22.3
1931,24.2,22.8,22.2,19.4,15.6,14.1,15.1,15.4,15.9,18.8,19.8,23.2
1932,23,23.7,22.6,20.9,16.5,14.7,16.8,15.1,17.8,20.2,21.7,22.4
1933,22.9,23.6,21.3,18.8,17.3,14.3,13.8,16.5,17.2,19.2,19.9,21.5
1934,23.4,22.8,23.1,19.3,17.6,16.7,14.8,16.4,17.1,18.6,20.8,21.9
1935,22.9,23.5,23.3,18.5,16,16.8,16.2,15.8,16.8,18.6,20.8,23.6
1936,23.9,22.6,22.1,19.7,19.5,17.9,16.1,15.2,16.7,19.7,20.6,22.7
1937,21.3,23.5,22.1,18.8,15.7,16.3,16,17.8,17.2,18.4,19.8,21.2
1938,23.4,22.9,23.5,19.1,16.9,16.2,14.9,15.8,17.3,18.8,20.3,22.2
1939,23.8,23,22.5,19.5,17.5,15.5,14.7,17.4,17.1,19.5,20,21.3
1940,23.3,23,23,20,18.7,17.2,17.2,17,17.6,18.5,20.4,25
1941,23.4,22.6,21.5,21.2,17.6,15.3,15.1,17.8,16,18.5,20.2,21.8
1942,23.2,23.6,22.1,19,16,14.2,12.5,16.5,17.4,18.9,21.2,21.9
1943,22.7,23.6,23.2,18.3,17.5,16.1,15.9,14.3,16.6,19,20.2,21.5
1944,23.1,22.6,22.2,18.8,16.9,16,14.2,17.2,18.6,20.9,19.7,22.3
1945,23,23.6,21.7,20.5,16.1,13.7,15.2,17.9,16.6,19.9,20.5,21.5
1946,22.2,23.5,21.3,18.4,17.9,15.4,13.6,17.1,18.3,19.3,21,22
1947,23.3,23.9,20.9,19.5,17.6,16.1,13.8,15.1,16.5,17,19.2,20.9
1948,23.8,22.8,21.1,19.7,16.6,16.9,15.9,14.5,17.8,18.5,20.4,22.8
1949,23.3,23,23.2,18.5,16.5,16.9,15.4,16,16.9,18,20.9,22.5
1950,22.2,22.7,22.1,20.6,18.5,15.7,14.6,16.6,17.2,18.3,19.7,22.9
1951,23.5,22.6,21.2,17.4,17.5,16.2,14.8,16.1,18.6,18.7,20.8,21.7
1952,23.9,22.6,23.6,17.4,18.6,14.3,15.6,17.7,16.4,19,20.9,22.4
1953,24.8,22.8,23.7,18.1,18.3,16.2,12.5,17.3,18.7,19.1,20.5,22.5
1954,24.3,23.7,22.5,19.5,16,16,15.3,17.1,17.8,18.1,21.1,22.7
1955,23.9,24.3,22.9,19.6,15.9,14.4,13,15.5,17.6,17.4,20.5,22.7
1956,24.2,23.4,21.8,18.2,13.5,13.8,13.7,15.8,18,19.2,19.3,21.5
1957,23.8,22.1,22.2,18.8,18.6,15.4,14.5,16,16,20.2,20.7,23.5
1958,24.5,23.7,21.8,19.3,16.5,16.3,17.6,17,16.6,18.7,21.7,22.9
1959,23.6,23.7,22.4,21.8,16.8,14.7,17.3,16.6,18.1,20.5,21.1,22.5
1960,23.2,22,22.5,19.1,15,15.4,16.2,16.5,17.8,20.9,21,22.7
1961,24,23.7,21.5,19.4,17.5,15.9,16.5,19.2,18.3,21.4,22,23.1
1962,22.8,22.3,22.6,19.1,15.7,14.6,13.9,15.8,17.3,17.9,21.5,22.6
1963,23.6,23.3,23,20,17.2,15.7,16.5,16.8,18.4,18.9,20.5,21.8
1964,23.4,22.9,22.2,19.6,17,14.2,13.5,16.4,17.5,18.7,20.3,21.7
1965,23,23.9,20.7,19,16.2,16.8,15,16.4,17.6,19.1,20.8,22.6
1966,23.6,23,22.6,20,17.8,16.9,16.5,15.3,16.3,18.2,21,22.4
1967,22.9,22.5,21.2,20.2,19.6,14.7,15.8,17.9,18,21.2,20.6,22.5
1968,23.5,22.6,22.1,17.7,15.5,15.4,15.7,16.9,17.2,19,22.5,23.1
1969,22.9,23.5,21.8,19.5,17.3,16,15.2,15.7,17.8,17.9,20.7,21.9
1970,23.6,24.1,22.5,20.6,18.1,16.1,15.3,16.3,17.3,18.5,19.8,22.9
1971,24,23.7,21.7,18.2,15.2,15.2,14.9,16.5,19.3,19.3,20.9,23.3
1972,23.6,22.6,22.2,18.9,18.8,17.6,14.9,16,17.7,18.4,20.1,22.8
1973,23.9,24.1,21.9,21.3,16.8,17,15.7,15,16.2,18.3,20.2,22.7
1974,23.8,23,22.6,19.7,18.4,13.9,16.6,16.3,17.4,18.8,20.6,21.5
1975,22.6,23.4,22.2,19.1,17,15.4,14.1,17.2,17.9,18.7,20.7,23
1976,23.5,22.7,21.8,18.6,16.8,14.4,14.7,15.6,16.5,18.6,20.6,22.8
1977,23.7,24.7,22.4,19.2,17.1,16.2,18.1,16.5,19.2,20.7,20.5,22.4
1978,23.4,23,22.6,18.7,15.5,14.7,16.7,15.6,17.8,20.4,20.8,22.8
1979,22.3,23.4,21.4,19,15.5,13.7,14.1,17.3,17.2,19.7,20.2,22.2
1980,22.8,23.6,24.4,20.5,18.5,15.3,14.9,16.6,15.7,18.8,20.7,22.9
1981,23.6,24.7,22.7,19.9,20.3,15.5,15.1,17.5,17.6,19.1,21.5,21.9
1982,22.6,23.4,22.2,20.1,17.5,16.9,16,17.5,18.9,18.9,19.9,22.2
1983,23.9,23.4,21.4,20.1,17.9,13.7,14.1,16.5,15.9,19.4,21.8,23.5
1984,25.1,25.4,22.2,19,18.4,15.6,15.6,14.1,17,20,20.1,21.3
1985,22.7,23.5,22.8,20.2,16.7,15.7,15.9,17.4,18,20.5,22.3,23.6
1986,25.1,23.6,22,20.4,16.8,17.2,15.2,17,17.9,19.2,21.1,22.7
1987,23.6,24.3,22.7,20.1,15.3,13.8,17.4,15.4,16.5,18.4,21.1,22.9
1988,24.5,22.5,24,18.8,14.3,13.3,13.7,15.6,16.8,18.9,20.9,22.1
1989,23.2,23.6,22.3,20.2,16.8,15.6,13.6,16.7,17.2,18,21,22.7
1990,23.2,23.6,22.6,20.6,15.5,13.8,12.9,16.1,16.3,20.2,22.4,22.7
1991,22.7,23.1,21.9,20.5,18.8,16.1,14.8,17.3,18,20.3,21.2,23.9
1992,23.8,24.5,22.6,20,16.7,17,13.3,15.1,17.4,19.8,20.6,22.8
1993,24,23.3,23.3,21.4,17.5,14.6,14.5,15.2,16.6,20.3,20.5,23.1
1994,23.1,23.6,22.2,19.4,18.6,14.9,15.9,15.9,18.4,19.7,21,24.6
1995,23.8,22.7,22.9,21.6,16.6,15.5,16.9,17.3,17.5,18.6,22,24.1
1996,23.7,23.7,22,20.6,17.2,13.8,12.9,16.4,16.8,20.2,21.6,23.9
1997,24,23.6,22,19.9,17.3,15.4,16.4,17.5,18.2,19,21,24
1998,23.7,23.2,21.9,19.6,16.9,14.8,15.9,17.2,17.5,19.6,20.8,22.8
1999,23.9,23.3,24,18.8,16.4,14.6,14.6,16.8,17.8,18.4,19.8,22.8
2000,23.9,23.1,22,20.4,16.7,16.8,12.7,15.3,17,20,21.1,23.1
2001,24.3,24.5,24.1,21.2,16.6,16.6,15.8,18.6,17.9,20.7,21.7,22.7
2002,24,23.1,24.5,20.8,18.8,16.3,16.3,17.8,16.9,21.2,22.1,23
2003,24.4,24.9,23.1,20.3,17.1,17.2,15.9,15.5,17.3,20.1,21.3,22.1
2004,23.6,23,23,21.5,15.8,16.3,14.8,16.8,19.2,19.1,20.9,22.4
2005,24.3,23.4,23.1,20.5,18.3,18.6,15.8,18.2,16.6,19.4,21.7,22.4
2006,24.9,23.8,23.3,19.9,16,16.5,17.5,17.1,17.1,20.3,20.8,24.3
2007,24.1,23.9,24.1,21.5,15.7,15.6,13.7,15.6,19.6,20.8,20.6,23.5
2008,23.4,23.2,22.9,19.6,17.1,14.2,17,17.2,17,19.3,21.1,22.5
2009,22.9,23.7,23.3,20.9,17.9,14.6,13.7,17.3,17.8,19.2,23.1,23.5
