1901,23.8,23.5,23.5,22.9,20.9,19.3,17.8,18,19.5,20.4,20.6,22.1
1902,24.1,24.5,23.6,21.6,19.7,19,17.5,16.9,17.7,19,20.6,22.9
1903,23.7,24.8,23.8,21.9,20.6,19.2,18.3,17.8,18.4,20.5,21.3,23.4
1904,24,24,23.6,22.2,20,18.4,18.3,17.6,17.8,18.7,20.3,21.3
1905,23.8,24.1,23.4,21.4,20.5,19.1,17.2,17.7,18.1,18.8,20.8,23.2
1906,23.6,23.1,23.1,22,20.3,18.8,18,17.8,18.8,19.8,21.4,23
1907,25,24.3,25.1,22.8,20.2,19.4,17.9,17.6,17.8,20,22,24
1908,24.4,24.5,24.1,22.3,21.2,18.8,17.4,17.8,18.7,18.7,21.2,22.3
1909,24,24.7,23.8,22,20.8,20,19.2,18.4,19.1,19.8,21.9,23.6
1910,25.2,25.9,25.3,22.5,21.3,20,18.8,18.5,19,20.7,22,23.4
1911,24.4,24.8,24.4,22.6,20.8,19.2,18.1,18.1,18.5,19.8,21.3,22.8
1912,23.9,24.2,23.6,22.2,20,19,17.9,17.8,18.6,19.7,21.5,23.1
1913,24.3,24.5,24.3,22.2,20.5,18.7,18.1,18.3,18.8,20.1,21.3,22.3
1914,24.8,24.3,24.1,22.5,20.3,18.8,17.9,18,18.7,19.8,21.8,22.9
1915,26,26.8,24.6,23.3,21.2,19.9,19.5,19.4,19.3,21.4,23.1,24.4
1916,24.7,26.1,25.4,23.8,21.2,20.6,19.2,18.9,19.8,21.7,22.8,24.4
1917,25,24.9,23.4,23.2,21,19.3,18.7,18.8,20.3,21.4,22.4,23.3
1918,25,24.8,23.8,22.9,20.4,19.4,17.5,17.9,18.9,21,22.3,22.7
1919,24.3,25.1,24,22.3,20.8,18.8,18.3,18.1,19,20.7,21,22.8
1920,24.9,24.9,24.2,22.4,20.2,19.4,19,18.2,18.8,21.2,22.8,23.4
1921,25,24.9,24.2,22.6,21.1,19.7,19.2,18.7,19.5,20.4,21.4,23.9
1922,24.9,24.1,24.2,22.4,20.8,19.6,18.9,19.1,18.7,21,22,24
1923,24.1,24.2,23.6,21.8,20.9,19.4,17.8,17.5,18.6,19.8,21.4,23.8
1924,24.2,24.6,24.2,22.9,20.5,19.1,18.1,18.2,18.7,20,21.4,22.4
1925,24,24.2,23.5,21.9,20.7,19.1,17.9,17.8,18.1,19.6,21.1,22.8
1926,24.2,24.3,24,22.7,20.8,19,18.1,18.1,18.3,20.2,21,22.6
1927,25.5,25,24.5,23.4,21.2,18.6,19,19.2,19.6,19.7,21.3,23.3
1928,24.1,25.1,24.4,23.1,20.7,19.2,18.4,18.3,19.1,20.2,21.8,22.8
1929,26.2,25.8,25.5,22.8,20.3,20.1,18.1,18.5,18.5,21,22,24.2
1930,25.3,24.3,23.2,22.4,20.1,19.7,18.2,18.7,18.4,20.3,21.6,23.5
1931,24.5,25,24.4,23.6,21.4,19.2,19.3,18.7,19,20.3,23.5,24.4
1932,24.7,24.9,24.6,23.9,20.1,19.1,18.1,18.3,19.6,21.2,22.3,23.8
1933,25.9,25.5,25.5,23.1,21.4,19.4,19,18.4,19.2,20.8,21.7,24.4
1934,23.6,24.4,24.1,23.3,20.4,19.3,17.9,18.7,19.2,20.1,22.2,24.5
1935,26.3,26.4,24.7,22.7,20.3,19.1,18.5,18.2,18.5,20.5,19.9,24.2
1936,25.5,24.9,23.7,22.4,20.8,19.5,17.9,18.2,18.1,20.7,21.4,23.3
1937,24.5,24.7,24.1,21.8,20.5,19,17.4,18.3,18.3,20.5,22.4,24.5
1938,25.3,26.2,25.3,22.9,21.5,19.6,18.6,18.5,18.8,20.5,23.2,23.8
1939,25,24.2,24.9,23.2,21,20.1,17.6,18.1,17.8,19.5,21.2,22.9
1940,24.1,24.2,23.7,20.9,20.1,17.6,16.8,17.2,17.6,19.4,20.8,23.6
1941,24.6,23.7,24.1,20.8,20.4,18.7,18.2,17.4,18.9,19.6,20.3,23.4
1942,24.1,23.1,24.4,22.3,20.1,18.9,18.9,18.2,19.4,21.3,22,23.1
1943,24.3,25.4,23.7,22.2,20.3,18.9,17.9,17.9,18.8,20,21,24.6
1944,25.3,25.3,24.2,22.4,20.6,17.7,17.7,17.7,17.7,19.2,22.1,23.7
1945,24.4,24.2,23.5,22.1,19.8,18.7,17.7,18.9,17.9,19,21.5,22.5
1946,25,26,24.8,22.9,21.3,19.7,18.5,18.3,18.7,19.7,21.2,22.9
1947,24,24.7,23.9,22.1,20,19,17.9,18.4,18.6,19.8,20.6,23
1948,24.6,24.4,24.9,22.8,20.4,18.7,19.4,18.6,20,20.3,21.3,23.7
1949,23.5,25.3,24.4,21.9,20.4,19.5,18.9,17.6,18.8,21.2,21.2,23.8
1950,25.3,25,24.4,23,21.7,20.1,18.2,18.6,18.7,19.9,22,22.9
1951,23.4,24,23.7,22,19.9,18.5,18,17.8,18.6,20.2,22.1,22.9
1952,23.9,24.5,24.2,22.7,20.7,19.6,17.5,17.9,18,20.6,21.6,22.1
1953,23.1,24.4,24.1,22.6,21.2,19.5,17.2,19,18.8,20,23,25.1
1954,25.3,25.1,24.7,22.3,20.7,19.2,18.2,17.8,18.5,19,21.7,24.1
1955,24,25.5,25.4,23.2,21.6,20,17.6,18.7,18.7,20.1,21.6,23.8
1956,24.5,24.1,24.4,23.8,21.5,19.7,17.8,17.7,17.7,19.7,21.2,23.2
1957,23.9,24.6,24.2,22.7,20,18.2,17.4,18.6,18.3,19.7,22.2,23.7
1958,24.3,25.2,24.3,21.8,21.2,19.3,18.2,18.8,18.5,20,21.4,24.2
1959,24.6,24,23.4,22,19.4,18.1,18,18.3,19.6,19.6,22.1,24.1
1960,24.7,25,23.5,22,20.8,21.3,17.7,18.2,19.3,20.5,21.6,22.1
1961,22.9,24.2,23.5,21.9,19.8,19,18.4,18.1,18.3,20.1,22.1,23
1962,24.8,25.2,23.9,22.9,21.6,19.4,18.3,18.4,18.9,20.5,21,22.5
1963,24.2,25.2,24.5,21.9,20.6,19,18.2,18.4,18.9,19.9,21.4,23
1964,25.2,24.4,24.7,22.2,20.3,19.7,18.9,18.8,18.8,19.9,20.9,23.1
1965,24.5,24,22.9,22.6,20.3,18.3,17.2,17.4,18.6,19.9,21.4,23.1
1966,23.7,25.5,24.1,22.5,19.5,18.5,17.8,17.7,18.7,19.5,20.8,22.4
1967,23.9,24.1,23.9,22.2,20.4,19,18.5,18.9,18.9,21.2,21.7,22.7
1968,24.7,24.2,24.6,22.5,21,19,17.6,18.2,17.8,20.1,21.9,22.2
1969,24.3,23.8,23.1,22,20.4,19,17.6,17.8,18.9,19.2,21.7,23.1
1970,25.6,25.2,24.7,22.6,20.5,19.1,18.4,18.9,19.2,20.6,22,24
1971,25.7,25.8,23.5,22.6,21.1,19.8,17.9,18.6,19.1,20.5,20.7,22.2
1972,23.3,23.1,24.6,22.2,20.1,18.2,17.5,18,18.3,20.9,22.6,22.7
1973,24.9,25,25.3,22.7,21.5,20.1,18.5,18.9,19.1,20.6,22.9,24.5
1974,24.5,25.3,24.3,22.7,20.8,19.4,18.7,17.9,18.3,19.5,22,23.8
1975,24.6,25,25.2,22.4,21.2,19.6,18.4,18.8,18.7,20.6,22.1,24.2
1976,24.9,23.2,24.8,22.5,20.3,19,18,18.5,18.2,19.5,20.8,23.3
1977,23.4,24.4,24.2,22.7,20.6,19.1,18.3,18.1,17.3,19.8,22,22.7
1978,23.6,24.7,24.2,22.7,20.6,19.8,18.1,18.1,18.4,18.6,21.6,23.3
1979,24.9,23.6,24.3,22.9,20.6,19.4,18,17.9,18.3,19.5,21.9,24
1980,25.2,25,23.1,22,20.7,19.2,18.1,17.9,19,20.1,21.2,22.8
1981,25.1,26.1,25.9,23.1,21.1,19.9,18.6,18.3,18.5,19.5,20.6,23.5
1982,25.3,25.2,24.5,22.2,20.9,19.2,18.2,17.8,19,19.9,22.2,23.7
1983,24.2,25.1,24.7,23.1,21.6,19.7,17.7,18.1,19.2,20.5,21.8,22.3
1984,23.9,24.6,24.4,21.9,20.2,19.3,18.6,19.1,19,19.3,22.1,23.7
1985,25.4,24.2,23.6,22.7,20,19.5,18.4,18.4,18.9,19.9,20.7,23.2
1986,25,25.2,24.3,23,21.6,19.2,18,18.1,18.1,20.5,21.6,22.7
1987,24.2,24.4,23.8,22,21.1,19.2,18.2,18.9,19.1,20.2,20.8,23.3
1988,24.3,25.2,24.5,22.4,21.6,20.2,19.1,19.1,20,21.3,22.6,23.6
1989,24.7,24.5,24.3,23.3,20.7,19.8,18.9,18.8,19.5,20.5,21.8,22.6
1990,24.3,25.9,25.5,23.7,21.5,19.1,18.7,18.9,18.3,20.1,21.6,24.5
1991,25.2,25.3,24,22.4,20.2,19.1,18.5,18.7,19.4,19.9,20.4,22.7
1992,24.2,25.2,23.9,21.6,20.4,19.2,17.9,18.2,18.4,19.2,21.6,22.7
1993,24.9,24.5,23.6,22,20.2,19.3,18.7,18.6,18.7,20,21.1,22.9
1994,25.9,24.8,23.1,21.6,20.8,18.8,17.7,17.9,18.5,19.8,21.6,23.4
1995,24.8,24.6,24.6,23.3,20.9,18.8,18.5,18.1,19.7,21,22.8,24.4
1996,25.2,25.9,24.4,23.6,20.6,19.5,18.8,19.5,20,20.6,21.5,23.1
1997,23.3,23.6,23.7,21.3,20.4,18.6,17.2,17.6,18.9,19.4,21.9,24.5
1998,24.9,26.2,24.8,22.7,21.5,20.4,19.2,18.9,19.4,21.1,21.7,22.8
1999,24.5,24.6,24.4,23,21.3,19.5,18.4,18.3,18.8,20.5,20.9,21.5
2000,23.9,23.8,23.3,22,20.6,18.6,18.7,18.7,19.4,20,20.7,23
2001,23.6,24.2,24.7,22.1,21,18.5,17.9,18.6,18.9,20.6,21.8,23.3
2002,24.1,24,23.8,22,20.4,19.5,17.7,17.7,19.3,20,21,22.8
2003,23.2,24.1,23.5,22,20.3,19.5,17.9,17.9,18.6,19.9,21,23.5
2004,25.3,25.6,23.7,22,20.6,19.1,17.8,17.7,18.1,20.2,21.5,22.8
2005,23.8,24.4,23.9,22.2,20.7,19,18.5,18.2,19,19.8,21.3,24.1
2006,24.4,24.7,23.7,23,20.6,18.4,17.6,18,18.8,19.6,21.8,21.8
2007,23.6,23.8,24.3,22.2,21.1,19.7,18.6,18.6,19.1,20.6,21.4,23.2
2008,23.7,24,23.7,22.6,19.9,19.2,18.4,18.2,18.3,19.6,21.4,22.5
2009,23.5,24.9,24.1,23.1,19.6,19,18.2,18.7,18.8,19.6,21.5,24.1
