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