1901,22.9,23,22.3,20.1,18.4,15.8,17.1,16.8,17.4,20.4,20.3,21.3
1902,23.3,24.4,23.5,22.1,19.9,18.3,18.1,15.6,18.5,19.3,22.6,23.2
1903,22.2,23.8,24.5,20.5,17.8,17.9,15.7,17.3,17.7,18.9,21.2,23.2
1904,23.1,22.8,23.8,20.8,17,15.5,16.4,17.2,18.3,19.1,21.1,21.9
1905,22.8,23.8,22.1,21.3,19.4,16.9,16.3,17.3,18.3,21.7,20.7,22.8
1906,23,22.4,22.5,21.1,19.9,17.8,16.8,18.2,17.3,20.4,20.9,22.4
1907,22.9,23.3,23.8,21.4,16.8,16.9,15.2,16.2,18.8,19,20.7,23.2
1908,23.1,22.6,22.2,21,18.4,17.3,17.1,15.7,17.5,19.1,21.1,22.7
1909,23.8,24.5,22.1,20.3,17,16.4,17.4,17.3,17.5,18.5,20.9,20.7
1910,24.3,23.3,23.5,22.3,16.8,18,15.2,17.8,17.3,17.8,19.9,21.2
1911,24.3,23.4,21.7,20.7,18.8,15.3,14.5,16.4,17.6,18.6,22.2,23
1912,23.6,24.5,23.1,21.1,20.3,17.9,15,17.6,15.6,18.5,22.1,22.2
1913,23,23.7,24,21.8,19.2,16.4,17.4,17.6,18.4,19.9,20.9,21.6
1914,24.7,23.6,24.3,21.4,18.2,19.7,18.8,18,19.5,20.8,22.5,21.8
1915,24.6,25,23.4,23.5,21.7,16.8,16.5,18.5,18.4,19.2,19.9,21.9
1916,23.9,22.4,22.4,20.9,19.7,18.2,16.1,17.2,19.2,18.6,21.2,21.7
1917,23.1,22.9,22.7,20.1,16.4,15.3,15.1,15.5,17.9,18.9,18.5,21.1
1918,23.4,23,22.6,20.7,18.9,16.6,15,15.7,17,19.1,20.5,21.1
1919,22,22.5,23,22,21.4,19,17.2,17.2,15.5,19,20.4,21.9
1920,24,23.6,23.2,21.8,18.7,17.2,17,15.3,17.2,20,21.3,22.2
1921,23.7,23.6,23.8,20.8,19.1,16.1,15,18.9,17.3,18.7,19.7,22.5
1922,23.8,23.5,23.5,21.8,19.2,17.5,16.8,18.7,18.4,18.5,20.5,22
1923,23.7,23.3,23.6,22.9,18.6,17.2,15.2,17.7,17.7,18.9,20.6,23.4
1924,22.5,22.6,24.2,21.9,19.1,17.6,16.4,16.4,17.8,17.4,20.1,21.7
1925,24.1,24.2,22.8,23,19.4,15.8,14.4,19,18.5,18.7,21,22.7
1926,23.6,22.1,23.6,21.7,18.2,18.4,16,17.8,19.2,19.8,21.3,22.3
1927,23.4,23.1,23.8,22.2,18.2,16.7,15.9,16.8,18,19,21.4,21.9
1928,23.7,24.4,24.2,23.6,19.2,17.8,17,17.1,18.6,19.7,21.2,22.6
1929,24,23.8,23.1,19.8,17.9,17.6,16.9,17.6,18.9,20.7,19.9,23
1930,24,23.6,24,21.4,19.9,19.5,17.1,18.2,17.6,19.6,20.7,22.1
1931,24.8,22.9,23.5,21.9,18.7,16.7,17.2,17.3,17.1,19.4,20.4,23.2
1932,23.1,24.7,24.3,23.1,19.2,17.2,18.1,16.9,19.4,20.9,21.9,22.5
1933,23.4,24.2,22.8,20.5,19.1,16.3,15.6,17.8,18.3,19.6,19.9,21.4
1934,23.7,24,24.3,22,19.9,18.6,16.3,18,18.3,19.2,21.6,22
1935,23.1,23.4,23.8,20.2,17.3,18.4,17.5,16.9,17.5,19.3,20.4,23
1936,24.1,22.4,22.9,21.5,21.6,19.3,17.1,16.2,17.2,19.8,20.3,22.2
1937,21.7,23.5,23.4,20.6,17.6,17.5,17.4,18.6,17.6,18.7,19.6,20.5
1938,24.8,23.1,24.4,21.2,18.6,17.3,16.2,16.9,18,19.1,20.4,21.7
1939,23.6,23.6,24,21.3,20,17.6,15.2,18.4,17.1,19.8,20.8,21.7
1940,24,22.5,24,22.4,20.7,18.4,18.5,18.1,17.9,19.2,20.4,24.6
1941,25.3,25,23.6,24.2,20.4,17,16.3,19.3,16,19.8,21,22.3
1942,24.3,24.3,24.1,21.7,19.3,17.2,14,17.9,18,20.2,21.6,21.3
1943,23.1,23.7,24.4,20.4,20.2,18.9,17.3,16.4,17.6,20,21.3,21.6
1944,24.5,23.6,24.7,21.1,19.2,17.9,15.6,18.9,19.5,22.6,20.3,22.4
1945,23.7,24.5,23.4,21.8,17.8,16.3,17.1,19.7,17.8,20.5,21.2,21.5
1946,23.1,24.6,22.8,20.1,20.1,17,15.3,18.5,20.1,20.4,21.2,22
1947,24.5,24.4,22.4,21.1,20,18.7,15.2,16.7,17.6,17.3,19.3,20.7
1948,24.6,23.6,22.3,21.3,18.9,17.3,17.8,15.9,18.6,19.1,20.8,21.9
1949,24,23.4,25.2,20.5,19.2,19.3,17.4,18.3,18.4,19.1,20.6,22
1950,23.6,23.7,23.9,22.6,20.4,18.2,17.5,19.8,19.1,19.7,20.4,22.5
1951,23.2,23.7,23.4,19.5,19.3,17.7,16.1,16.9,19.5,19.7,21.3,20.9
1952,24.5,23.2,24.2,20.5,20.4,18,17.4,19.9,17.9,20.5,21.7,23
1953,25.1,23.5,24.9,21.6,20.2,18.4,15.4,18.7,20.1,20.5,21.1,22.3
1954,25.4,25,24.1,21.4,19.2,19.2,17.7,19.3,19.6,19.8,21.3,22.4
1955,24.1,25.2,24.2,22.1,19,17.8,16.8,17.5,19.4,19,20,22.8
1956,26.2,24.5,23.6,21.5,17.8,16.5,16.7,16.9,19.7,19.7,19.6,21.9
1957,24.4,23.4,24.1,21.6,19.6,17.9,16.7,18.5,18.3,21.9,21.3,23.8
1958,25.4,25.3,24,21.6,19.5,19,18.7,20.2,19.1,20.9,22.8,23.8
1959,25.3,25,24,25,20.5,18,19.3,18.9,20.6,21.4,21.8,23.3
1960,23.9,23,24,21.8,17.8,17.9,18.1,19.1,19.6,22.2,21.8,22.4
1961,24.6,24.4,24.1,23,19.8,18.9,18.2,19.8,21.1,22.4,22.8,22.8
1962,23.4,23.4,24.1,21.6,18.5,16.4,15.6,17.4,18.7,18.9,21.2,22
1963,24.9,24,25.3,22.1,19.5,17.3,17.9,19,21.1,21,22.4,22.3
1964,23.7,23.6,23.8,22.4,19.1,16.9,14.9,18.6,19.1,19.5,20.2,21.6
1965,23,24,22.6,22.2,19.3,19.4,17.2,19.3,20.2,20.4,21.9,23.6
1966,24.9,25.2,24.2,22.2,20,19.1,18.6,17.4,17.7,19.9,21.3,23.1
1967,23.7,24.1,23.5,22.2,20.9,18.2,17.7,20.1,19.4,22.2,21,21.3
1968,24,22.5,23.9,19.9,17.3,17.2,16.7,17.2,18,20.1,22.6,23.5
1969,25,24.9,24.2,21.5,19.9,18.6,17,18.4,19.5,18.8,21.8,21.6
1970,24,24.3,24.6,22.4,21.3,19.6,17.3,17.9,18.3,19.9,20.1,23.7
1971,25.7,25.1,24.7,21.6,18.9,16.9,17,18.6,19.2,19.7,20.5,22.8
1972,24.4,23.4,24.8,20.7,20.8,20.5,17.3,18.9,19.1,20.4,21.7,23.3
1973,25.4,25.8,23.8,24.7,20,19.4,18.3,17.3,18,19.7,18.6,23.1
1974,23.7,24.8,24.4,21.4,20,17,17.9,18.5,18.7,19.4,21.4,21.9
1975,23.8,24.6,24.8,21.4,19.3,18.1,16,20.2,20.2,20.3,21.6,23.5
1976,25.3,23.3,23.6,21.6,19.3,17.5,16.6,17.7,18.7,19.4,21.8,23.4
1977,25.2,26,25.1,21.8,20.1,18.9,20.5,18.6,20.1,21.8,22.1,22.5
1978,25.1,24.2,24.9,20.9,18.3,17.4,18.7,21.5,18.7,21.5,21.6,22.7
1979,22.1,24.2,23,21.4,19.7,17.2,16.5,19.6,18.2,21.1,21.4,23.1
1980,23.8,24.5,25.7,23,21.5,17.6,18.2,18.7,17.2,21.1,21.7,24.4
1981,24.8,25.7,24.5,22.1,21.5,18.1,16.3,18.8,20,19.8,22.7,22.9
1982,23.2,24.6,23.7,21.2,19.4,20,18.4,19.6,19.6,20.7,22.9,22.6
1983,25.2,25.2,23.9,23,21.4,20,18.4,18.6,17.2,20.6,23.1,23.6
1984,27,26.9,24.4,21.9,22.1,19.4,18.7,17.3,18.5,21.8,21.5,22.3
1985,23.4,25.1,25.1,23.7,19.7,17.5,17.2,19.8,19,21.6,22.6,23.6
1986,25.9,25,24.6,23.6,21,19,17.4,19.4,19.1,20.9,23.1,23.4
1987,25.7,24.8,24.3,23.8,19.3,17.1,19.9,17.9,18.1,20.9,22.7,23.8
1988,26.3,23.7,25.2,22.5,19.5,17.1,15.4,18.3,20.2,20.2,21.4,23.6
1989,24.9,25,24.8,23.7,19.8,18.3,16.4,18.5,19.1,19.2,21.8,23.1
1990,25.7,25.2,25.6,24.9,19.4,17.9,16.1,17.5,17.9,22.3,24.4,23.6
1991,24.3,24,24,22.9,21,19.4,17.4,19,18.8,21.2,22.9,24.4
1992,24.8,25.5,24.8,23.1,21.3,20.4,17.2,17.5,18.8,21.3,22,24.3
1993,25.6,24.1,25,23.5,20.5,18.1,18.6,17.4,18.4,22.1,23.5,23.3
1994,24.3,26.1,24.1,22.6,21.4,17.6,18.2,18.1,17.8,22.3,22.9,24.9
1995,26,25.1,25,23.6,20.4,18.8,19.7,20.8,19.1,20.3,22.8,23.9
1996,25.9,25.4,24.8,23.6,20.1,18.4,16.2,18.2,18.9,21.6,22.3,24.7
1997,24.7,25.3,24.1,22.6,20.2,18.4,18.3,19.7,20.6,21.6,23.4,25.4
1998,26.5,25.9,25.5,23.4,20,17.8,18.3,20.8,19.9,20.8,22,24.2
1999,25.9,25.5,25.9,21.7,19.6,18.2,18.3,18.7,19.7,19.4,20.7,23.9
2000,25.1,24.4,24.2,23,20.1,19.9,16.3,18,19.1,23.1,22.9,24.2
2001,26.3,26.1,26.3,24.8,20.3,19.4,18.4,20.3,19.7,21.9,23.1,23.4
2002,25.2,24,26.8,24.9,21.9,20.8,18.2,21.2,18.9,24.3,23.6,24.7
2003,25.5,27.3,25.3,23.7,20.4,20.7,19.1,17.8,19.3,21.6,22.8,24
2004,24.1,23.8,24.4,24,19.4,18.8,17.6,19,21.9,20.8,22.5,23.2
2005,25.1,24.5,25.3,24.6,21.8,20.9,18.4,20.7,18.9,22.2,22.4,22.8
2006,26.2,25.5,25.6,23,19.2,19.2,19.6,20.1,19.4,21.7,22.3,24.6
2007,25.4,25.7,26.7,24.4,19.8,19.9,17.5,19.4,21.4,22.8,22,24.3
2008,24.3,24.7,24.8,23.2,19.9,18.5,19,20.3,18.9,21.9,22.2,23
2009,24.8,25.7,26.1,23.1,21.5,17.8,17.9,19.6,20.6,21.3,25.4,24.6
