1901,24,23.5,23.9,21.9,19.5,17.2,16.6,17,18.7,20.8,23.5,23.1
1902,24,23.6,23.2,22.9,19.6,17.9,17.8,17.8,20.5,21.1,23.4,24
1903,23.9,23.9,23.9,23,20.7,18.3,16.6,18,20.4,21.9,22.6,23
1904,23,22.9,22.7,22.1,19.2,17.9,16.2,17.4,18.1,21.8,23.7,22.9
1905,23.9,23.5,22.9,21.4,19.8,19.4,16.5,18.3,19.8,22.9,22.9,23.8
1906,24.9,23.4,23.8,21.9,19.9,17.6,16.8,17.1,19.3,21,22.1,23.4
1907,23.9,23.2,23.1,22.1,19.7,17.5,15.6,16.7,19.3,22.4,22.8,23.4
1908,23.8,23.4,23.8,22.6,18.6,18,16.8,18.2,20.1,23,23.8,23.5
1909,23.6,23.8,23.6,22.2,19.4,16.9,17.4,17.8,19.8,21.4,23.1,23.6
1910,24,23.6,23.3,21.9,19,17.1,16.5,17.6,19.3,21.4,21.9,23.1
1911,23.3,22.8,22.8,21.1,19.2,16.8,16.3,17.2,18.9,22.2,23.2,25
1912,24.8,24,23.6,22.9,21,17.5,16.5,17.3,20.4,21.7,24.8,23.2
1913,23.5,23.5,23.6,21.8,20.2,17,16.9,18.2,20.1,22.9,23.7,23.2
1914,24.2,23.8,24.4,22.3,20.3,18.4,16.7,18.2,20.7,22.8,23.6,24.5
1915,24.3,24.3,24.2,23.5,20.4,18.6,19,18.3,20.1,23,24.1,24.1
1916,24.3,23.7,25,23.7,20.4,17.5,17,17.4,19.8,22.5,23.2,23.3
1917,23.5,23.8,24.1,22.4,21.4,18.5,17,17.9,19.3,21,23.4,22.7
1918,23.1,23.3,23.3,21.2,19.6,17.5,16.4,17,19,22.9,23.7,23.3
1919,23.9,23.4,23.7,22.1,18.2,17.4,16.2,17.5,20.1,21,23.4,24.3
1920,24.6,24,24,21.7,20.5,17.2,16.8,18,21.4,23.6,23.6,24.1
1921,24.3,24.4,24,22.1,19.8,17.7,16.9,17.5,19.9,22.4,23.1,23.2
1922,24,23.3,22.7,21.8,20.2,17.7,16.5,18.5,19.9,21.8,23.9,24.4
1923,24.5,23.8,23.9,22.8,20,17.8,17.3,17.2,19.9,22.4,24.8,23.9
1924,23.1,24.8,24.4,21.4,20.4,18.2,17.5,18.3,20.5,22.4,23.5,23.8
1925,23.4,23.4,23.5,22.7,19.3,18.4,17.2,17,19.6,21.8,23.5,24.3
1926,24,24.4,23.7,22.1,19.1,18,17.1,17.2,19.4,21.6,23.6,24.1
1927,23.7,23.9,23.1,22.1,18.7,17.4,17.2,17.1,19.4,22,23.9,23.8
1928,24,23.6,23.7,22.4,19.5,18.4,16.6,17.5,20.2,21.9,23.7,23.7
1929,24,23.3,23.7,21.5,19.1,18,17.3,17.2,20.3,23.1,24.6,24
1930,22.9,22.7,23.7,21.7,18.6,16.8,16.4,16.8,20,20.5,23.1,24.1
1931,23.7,24.1,23.6,22.1,20.5,17.8,17.5,17.9,19.2,22.3,23,23.3
1932,23.5,24.4,23.6,22.6,19.9,18.5,17.2,17.5,20.8,22.4,22.4,23.4
1933,23.3,23.5,22.8,21.1,18.7,18.3,16.5,17,18,21.5,24.4,23.2
1934,23,23.2,23.5,22.5,19.8,18.7,17.7,17.8,19.2,21,23.1,23.2
1935,23,22.8,22.5,20.4,19.2,16.7,16.1,16,19.5,21.7,22.5,22.5
1936,22.8,23.7,23.7,22,19.4,18,17.2,17.1,19.3,22.4,23.4,23.2
1937,23.6,24,23.3,22,19.7,17.2,16.6,17.3,19.8,21.2,23.3,23.3
1938,23.6,23.5,23.1,22,18.9,18.4,17.1,16.7,19.3,22.4,23,23.4
1939,23.3,23.9,23.7,21.6,19.3,17.5,16.8,17.6,19.1,21.7,23.1,23.3
1940,23.2,23.2,23.6,21.9,19.6,18.1,16.6,17.2,20,20.8,23.3,23.6
1941,23.1,23.9,22.7,22.1,19.7,17.5,16.6,17.9,20.2,22.8,23.7,24.5
1942,24.3,24.3,24.1,22,19.3,18.3,17.6,18.2,19.8,21.2,22.5,24
1943,23.4,23.4,22.8,22.5,18.6,16.7,16.6,18.2,18.6,21.4,23.4,23.2
1944,23.4,23.6,23.2,21.9,19.4,17.7,16.7,19.1,19.4,21.5,23,22.9
1945,23.5,23.5,23.6,21.5,19.2,16.8,16.1,17,17.9,20.9,22.2,22.4
1946,23.3,23.5,23.4,22.6,18.9,17.9,16.9,16.7,19.1,21.1,22.5,23
1947,24,24.2,23.4,22.9,19.9,17.6,17.1,17.5,19.9,22.1,23.6,24.4
1948,24,24.2,23.7,23,20.3,18.5,18.1,17.9,19.7,22.5,23.7,23.4
1949,24.2,23,23.2,22.1,20.4,18.3,17.7,17.9,19.6,21.5,23.7,24
1950,23.9,24.1,23.4,22.7,19.2,18.1,17.5,18.1,19.1,20.8,22.3,23.9
1951,22.9,23.3,22.5,21.4,18.9,17.4,15.7,18.1,19.1,22.2,23.4,24.1
1952,23.9,24.2,24,22.3,19.8,18.4,17.4,18,19.7,21.8,22.8,23.5
1953,23.5,23.7,23.5,22.6,19.4,17.5,16.7,17.4,18.1,21.3,23.4,23.6
1954,23.2,23.6,23,21.7,19.6,17.4,16.9,17.9,19.7,21.4,23.2,23.8
1955,23.6,24.3,23.6,21.7,19.4,17.6,17.8,16.9,19.4,21.5,22.7,23.6
1956,23,23.6,23.1,22.4,20.5,19.1,17,18,19.4,21.3,22.5,23.1
1957,24,23.7,22.9,22,19.9,17.9,17.1,18.3,20.7,22.2,24.1,23.6
1958,23.6,23.9,23.9,22.6,20,18.9,16.9,17.7,20.7,21.9,23.7,23.8
1959,23.2,23.8,23.5,21.7,20,18.1,18,18.1,19.7,21,22.5,23.8
1960,23,23.5,22.9,21.8,19.4,19,16.8,18.1,20.1,22.1,23.1,23.9
1961,23.8,23.9,24.1,23.3,21,18.9,18.9,18.6,20.4,22,23.3,23.7
1962,23.9,24.1,23.5,23,19.4,17.8,17.7,18.7,19.5,21.6,23.4,23.5
1963,23.7,23.7,23.4,22.3,18.7,17,16.9,16.5,19.3,21.1,22.2,23.3
1964,23.3,24,23,21.5,19.1,17.1,16.5,17.2,18.9,21.4,22.6,23
1965,23,23.6,23.3,21.5,19,16.4,16.1,17.4,19.2,20,22.9,23.3
1966,23.8,23.4,23.3,22.1,19.1,18.6,18.3,18.6,20.3,20.9,22.8,23.8
1967,23.5,23.4,23.5,22.7,20.6,19.3,17.9,18.1,19.4,21.9,22.6,22.3
1968,23.3,22.9,22.8,21.1,18.9,15.6,16.9,17.8,19.5,21.6,22.4,23.5
1969,23.9,24,23.8,22.7,19.7,18,17.5,18.8,19.6,22.9,23.4,24.1
1970,24.1,24.2,23.4,21.4,19.7,18.4,17.7,18.8,20.8,21.7,23.4,24.1
1971,24,22.8,23.3,22.6,18.9,17,16.4,17.7,19.3,21,21.3,22.9
1972,23.5,23.1,23.2,22.2,20,16.5,16.8,16.9,19.7,21.7,22.3,23.9
1973,24.1,23.7,23.7,22.5,19.2,18,16.9,17.5,19.5,21.9,22.6,22.6
1974,22.9,23.1,22.5,21.5,19.1,16.5,17.3,17.1,18,20,22.4,22.7
1975,22.7,22.3,22.7,21.7,19.3,17.2,16.1,16.5,18,20.1,21.9,23.1
1976,23,22.9,23.2,21.7,19.1,17.5,16.1,15.8,18.6,20.5,23,23.3
1977,23.3,23.6,22.8,21.4,19.1,16.7,16.9,17.3,19.5,21.8,23.7,24
1978,24.1,22.9,23,22,18.5,17.1,15.7,18.3,18.9,21.5,21.5,22.6
1979,23.2,23.5,23.4,21.2,17.6,16.9,16.7,17.1,18.9,21.4,22.5,22.7
1980,23.4,23.7,22.9,21.6,18.5,16.1,15.8,16.7,19.3,20.1,22.9,23.3
1981,23.6,23.3,22.8,21.2,17.9,15.9,15,16.5,18.1,19.4,21.3,22.3
1982,23.3,23.6,22.7,21.3,17.9,16.6,16.6,16.9,18.3,20.7,22.4,23.4
1983,23.8,23.9,24.2,21.7,20.4,18.6,17.8,16.9,18.7,20.3,22.8,23.7
1984,23.7,23.9,23.8,21.6,20.7,18,17.7,17.1,19.3,21.5,23.2,23
1985,23.4,24.1,23.8,21.9,19.4,17.1,16.6,17.4,20.2,21.4,22.5,23.8
1986,23.9,24.3,23.7,23.1,19.4,17,16.4,16.7,18.9,21.3,22.2,23.6
1987,23.5,24.1,23.5,21.6,19.6,16.7,15.6,17.4,20.1,20.1,23.3,24
1988,23.9,24.1,24.8,23.8,20.4,18.6,18.1,17.6,19,22,21.4,23.4
1989,23.1,23.7,23.9,22.7,19.4,17.6,16.7,17.5,19.3,21.2,23.5,23.8
1990,23.9,23.7,22.5,21.9,20.4,18.9,15.9,16.9,18.4,20.7,22.4,22.8
1991,23.8,23.5,24.1,22,19.4,17.3,16.5,17.1,18.8,20,22.1,22.6
1992,22.9,23.3,23.5,21.4,19.3,17.7,16.3,16.8,18.5,21.1,23.3,24.9
1993,23.9,24.2,22.6,22.2,20.6,18.2,17.1,17.2,18.5,21.9,23.6,25
1994,24.1,23.6,23.4,22.3,18.9,17.9,17.7,17.8,19.4,20.5,22.9,23.4
1995,24.3,25.4,24,23,20.7,17.3,17.8,18.7,19.4,22.2,23.4,23.5
1996,23.8,24.6,24.1,22.1,20.3,17.5,17.3,18.1,19.2,20.9,23.9,23.9
1997,24.3,23.9,24.3,21.7,17.8,17.8,17.7,16.9,20.4,21.7,23.2,24.7
1998,25.1,25.2,25.4,22.5,19,17.6,16.3,18,19.2,21.2,23.6,23.9
1999,24.3,24.2,24.4,23,19.7,17.9,16.9,17.9,19,20.3,23.1,23.7
2000,24.2,24.3,24.3,22.4,19.4,18.8,17,17.5,20.1,20,22.3,24.1
2001,23.7,23.8,24,22.6,20.6,17.6,17.3,17.5,19.3,20.5,24,23.8
2002,24.2,24.1,24.3,21.9,19.2,18.4,16.9,18.7,19.5,22.5,22.8,24.5
2003,24.5,23.8,24.4,22,19.8,18.7,16.9,16.8,19.3,21.6,23.6,24
2004,24.1,23.8,23.9,21.4,19.1,16.4,16.7,18.7,19.7,21.6,22.9,23.4
2005,24.2,25,24.7,23.1,20.6,18.8,17,18.4,20.2,22.4,24.1,23.5
2006,24,24.1,23.7,22.1,19.5,18,17.4,18.5,19.1,22.1,23.3,25.1
2007,24.2,24.3,24.1,23,19.8,17.7,16.6,17.3,20.3,21.9,23.2,24.7
2008,24.1,23.6,23.4,20.9,19.6,16.8,16.2,16.7,19.1,21.4,23,24.2
2009,23.8,24,23.3,21.5,19.5,16.5,16.5,17.7,19.5,22,22.3,24.4
