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