1901,25,23.9,23.8,22.3,19.6,17.6,17,16.9,18.7,21.3,24.4,23.3
1902,24.9,24.1,23.4,23.1,20.4,17.9,17.9,17.5,20.9,21.9,23.8,24
1903,24.4,23.8,24.1,22.9,20.9,18.7,17,18.1,18.6,21.3,23,23.6
1904,23.6,23.5,23.5,22.2,20.4,17.8,16.6,17.9,18.4,22.4,24.4,23.9
1905,24.5,23.7,23.2,21.7,20.6,19.3,17,18.2,18.9,22.8,22.9,23.7
1906,25.5,24,24.4,22.7,20.2,17.9,17.1,17.3,19.1,21.3,22.9,23.6
1907,24.3,23.9,23.3,22.3,20.1,17.9,16,17.6,19.6,22.9,23.3,23.2
1908,24.4,23.6,24.1,22.5,19.3,18.5,17.1,18.4,20.3,23.1,24,23.5
1909,24,23.8,23.7,22.4,19.6,17,17.9,17.9,20.1,21.1,23.5,23.4
1910,24.3,23.8,23.6,22.6,19.5,17.1,16.8,17.8,19.6,22.1,21.9,22.9
1911,23.9,23.2,23.2,21.2,19.3,17.2,17.2,17.5,19.4,22.4,23.2,24.9
1912,24.9,23.8,24.3,23,20.8,18,17.1,18.1,20.7,22.3,24.7,23.9
1913,23.8,23.7,24.3,21.8,20.9,17.7,17,18.6,19.9,23,23.4,23.4
1914,24.1,24.4,24,22.9,20.4,18.5,17,18.2,20.4,22.2,22.9,24.8
1915,24.7,24.3,24,23.5,20.4,17.9,17.9,17.4,19.3,22.9,23.6,23.7
1916,24.4,23.7,24.1,23,19.8,17.7,16.3,17.9,19.6,22.2,22.6,22.7
1917,23.6,22.8,23.3,22.3,20.9,18.3,17.6,17.6,18.9,20.3,23,22.6
1918,24.1,23.4,23.5,21.6,19.6,18,16.8,17.2,19.6,22.7,23.5,23.9
1919,24.5,24,23.9,21.9,18.7,17.7,16.4,18.6,20.6,21.8,23.9,24.3
1920,24.3,23.7,23.7,21.6,20.2,16.8,16.3,18.1,21,23,23.2,23.3
1921,24,24,23.4,21.7,19.8,17.8,17,17.8,19.8,22.5,23.1,23
1922,23.6,23.5,23.5,21,19.7,17.4,16.4,18.1,19.1,21.7,23.6,24.2
1923,24.8,24.1,24.3,23,20.5,17.9,17.9,17.4,20.4,22.5,24.4,23.9
1924,24.3,23.8,24.3,22,20.5,18,17.5,18.2,19.9,21.9,23.3,23.4
1925,23.9,23.9,23.6,22.9,19.6,19.1,18,17.6,20.8,22.4,23.4,24.1
1926,24.9,24.9,24.8,23.3,20.5,18.9,17.7,18.2,20.3,22.4,24.3,24.2
1927,24.3,24.2,23.5,22.6,20,17.9,16.9,18,19.7,22.2,23.6,24.4
1928,24.2,24.3,24.2,23.3,20.6,18,17.1,18,19.9,22.4,23.9,23.9
1929,24.7,23.2,24.5,22.8,20.1,18.5,17.9,17.9,20.1,23.3,24.3,23.7
1930,23.6,24.1,23.9,22.5,19.1,17.4,16.8,17,20.7,21.4,23.7,24.2
1931,23.9,24.2,23.7,22.3,20.3,17.6,17.4,17.9,19.1,21.5,22.6,23.5
1932,24.4,23.9,23.9,22.1,19.2,17.7,17.1,17.9,19.6,21.6,23.8,23.7
1933,24.1,23.5,23.3,22.2,19.8,17.6,17.1,17.7,18.6,21.9,24.1,23.6
1934,24,23.7,24.1,22.6,20.2,16.9,17.1,17.1,18.8,21.4,23.1,23.1
1935,23.9,23.4,23.7,21.7,20.3,17.6,15.9,17.4,20.2,22.1,22.6,23.2
1936,23.9,24.7,24.2,22.5,20.3,17.6,17.1,17.4,19.4,22.6,23.5,23.5
1937,24,24.3,23.5,22.4,19.7,18.3,16.9,17.6,20.4,21.5,24.4,23.9
1938,24.4,23.9,24,23,20.4,17.6,17.7,18.1,19.7,22,22.5,24.1
1939,24.4,24.4,23.8,22.4,20.5,18,17.3,17.4,19.8,22.1,23.4,23.4
1940,23.7,23.7,23.7,22.4,19.6,17.7,16.8,17.3,19.2,20.7,22.8,23.8
1941,23.3,23.9,23.7,23,20.1,18.4,17.1,18,19.9,22.1,23.5,24.3
1942,24.8,24.5,24.4,22.3,19.5,18.1,17.2,18.2,19.6,20.4,22.7,23.6
1943,23.7,23.3,23.2,22.7,19.6,17.3,17,18.1,18,21.2,23.2,23.5
1944,24.1,24.1,23.2,21.9,19.6,19,16.9,18.3,19.3,21,23.6,23.5
1945,24.5,23.8,23.9,22.6,19.6,17,16.7,17.4,18.8,22.1,22.6,23.3
1946,24.3,24.3,23.6,22.3,19.7,17.6,17.4,17.5,18.6,21.7,22.6,23.8
1947,24.7,24.4,23.2,22.8,19.9,17.7,17.9,17.4,19.2,21.6,23.4,24.3
1948,24.4,24,24,23.2,21,18.3,17.8,17.8,19.1,21.6,23.1,23.3
1949,24.8,23.7,23.6,22,20.1,17.8,17.4,18.3,19.6,21.9,23.4,24.2
1950,24.6,23.6,23.4,22.6,18.9,17.7,17,17.5,18.3,20.7,22.6,23.9
1951,23.5,23.4,22.7,21.7,18.9,17.5,15.9,17.9,18.8,21.3,22.8,23.8
1952,23.8,24.3,23.7,22.5,20.4,18.2,17.4,18.1,19.1,21.1,21.8,23.2
1953,23.6,23.1,23.1,22.3,19.4,17.6,16.2,16.7,18.1,20.7,22.6,23.7
1954,23.4,24,23,22,19.8,16.9,16.7,17.6,19.1,21.2,22.4,23.5
1955,23.7,24.6,23.7,22,19.4,17.4,17.6,16.6,18.9,20.6,22.2,23.7
1956,23.7,23.5,23.7,22.3,20.3,18.1,16.6,17.4,18.8,20.4,21.9,22.7
1957,24.3,23.5,23.1,22.4,19.9,17.1,16.7,17.6,19.5,21.6,23.1,23.9
1958,23.9,24,23.5,22.6,19.5,17.7,17.2,18,19.1,20.9,22.8,23.5
1959,23.4,24.1,24,21.3,20,17.5,17.5,17.8,19.1,20.3,22.3,23.8
1960,23.4,23.7,22.9,21.9,19.3,18.5,16.9,17.6,19,21.3,22.1,23
1961,24,24.6,24,23.2,20.5,18.7,18.7,18.4,19.3,21.2,22.9,23.7
1962,24.4,24.1,23.5,22.7,19,17.1,16.9,17.7,18.6,20.8,22.7,23.4
1963,23.6,23.9,23.5,22,18.5,16.9,16.6,15.7,18.3,20.6,21.8,22.9
1964,23.7,24.6,23,22,19.2,17.2,15.7,16.7,18.6,20.8,22.2,23
1965,22.9,23.8,22.9,21.5,19,15.9,16.3,17.5,18.7,20.1,22.5,23.3
1966,24.1,24.1,23.5,22.2,19.1,18.5,17.5,17.8,19.7,20.6,22.1,23.5
1967,23.8,24.2,23.8,22.7,20.4,18.5,18.2,18,19.2,21.4,22.3,22.8
1968,23.8,23.4,23.2,20.9,18.8,15.9,16.5,17.3,18.5,20.7,22.2,23.4
1969,24.2,24.1,24.4,23.1,20.3,17.3,17.6,18.2,18.1,21.9,23.2,24.3
1970,24,24.3,23.8,21.5,19.7,18.1,17.5,18.4,19.4,21.2,22.8,23.5
1971,23.2,23.1,23,22.5,19.1,16.7,17.1,17.2,18.7,20.8,21.4,22.7
1972,23.6,22.8,22.5,21.7,20.2,16.5,17.2,17.6,18.7,20.9,22.1,23.5
1973,23.8,23.6,23.7,22.1,19.3,17.6,16.7,17.2,18.6,21.3,22.5,22.4
1974,23.5,23.1,22.9,21.8,19.6,17.4,17.9,16.6,18,19.8,22.2,23
1975,23.3,22.8,23.1,22,19.5,17.7,16.6,16.8,18.3,20.1,21.8,23
1976,22.9,23.4,23.4,22.2,19.6,17.5,16.7,16.5,18.4,20.8,22.9,23.2
1977,23.8,23.2,23.1,21.9,19.4,17.3,17,17.2,19,21.6,22.9,24.1
1978,24.5,24,23.5,21.9,19,17.7,16.4,17.7,18.8,21.5,22.3,23.2
1979,23.7,23.8,23.9,21.7,19.4,17,16.7,17.3,19.1,21.1,22.2,23
1980,23.7,24.3,23.7,22.4,19.6,16.8,16.7,17.3,19.3,21,23.3,24.3
1981,24.4,23.7,23.4,21.9,19.4,16.7,15.9,16.8,18.9,20.1,22.1,23.4
1982,23.4,24.1,23.1,21.8,19.2,18,17.7,17.6,18.4,20.7,22.5,23.3
1983,23.9,24.4,24.2,22.8,20.7,19.3,17.9,17.5,18.8,20.8,22.5,24.1
1984,23.8,23.4,23.4,22.3,20.2,17.8,16.7,17.2,18.9,20.9,22.7,23.4
1985,24.1,24.3,23.2,21.8,19.7,17.5,17.1,18.2,19.7,21,22.5,23.1
1986,24.2,23.9,23.7,22.8,19.7,17,16.3,17,18.5,20.7,22.5,23.5
1987,23.3,24.2,23.7,22.5,19.7,16.7,16.6,17.4,19.6,20.7,22.6,24.3
1988,24.1,23.9,24.4,23.5,20.2,18.6,17.9,17.8,18.9,21.6,22.1,23.4
1989,23.5,23.1,23.6,22.4,19.8,17.7,17.4,17.9,18.9,21.1,22.8,23.4
1990,23.9,24.1,23.1,22.6,20.3,18.5,16.4,17.9,19.1,21.5,22.1,23.1
1991,24.9,24.1,24,22.7,20.4,17.5,16.9,17.3,18.8,20.9,22.6,23.2
1992,23.9,23.2,24.3,22.9,20.8,17.4,16.2,17.2,18.5,20.7,23.4,24.8
1993,24.1,23.9,23,22.3,20.1,18.6,16.8,17.4,18.6,20.9,22.7,23.7
1994,24.1,24.6,23.8,23.1,20,18.3,16.8,18.7,19.6,20.5,22.9,23.5
1995,24.1,24.7,23.9,22.6,20.5,17.8,17.5,18.5,19.5,21.5,22.8,23.7
1996,24.1,24.4,24.3,22.6,20.3,17.7,16.7,16.9,19.8,20.5,23.4,23.9
1997,24.1,24,23.9,22.4,19.2,18,17.4,18,20.1,21.5,23.7,24.5
1998,24.9,25.2,25.4,23,19.9,18.2,17.4,18,19.1,20.7,23.1,23.6
1999,24,24.4,24.2,22.4,19.5,17.9,16.8,17.7,19.2,20.9,22.9,23.5
2000,24.2,24.5,24.4,23,20.2,19,17.5,18.2,19.7,21.6,23.1,23.4
2001,24.2,24.7,24.8,22.6,20.7,17.6,17.2,17.4,18.8,21.2,23,23.7
2002,24,24.1,24.4,22.2,19.8,18.3,17.1,18.8,19.4,22.2,23.4,24
2003,24.3,24.2,24.7,22.5,20.9,18.6,17.1,17.4,19.1,21.8,23.6,24.5
2004,24.3,24,24.1,22,19.6,16.8,17.3,18.1,19.7,21.6,22.9,24.1
2005,24.2,24.7,24.3,22.3,20.8,18.6,17.1,18.2,19.6,21.6,23.3,23.5
2006,24.1,24.3,23.9,22.3,19.9,18.2,17.5,18.1,19,21.6,23.5,24.9
2007,24.6,24,24.4,22.8,20.6,18.2,17.3,17.8,19.6,21.4,23.2,24.4
2008,24.2,24.2,23.3,21.5,19.8,17.3,17.4,17.6,18.8,21.7,22.9,24.3
2009,24.7,24.8,23.8,22.3,20.1,18.1,17.5,17.8,19.4,21.6,22.9,24.2
