1901,22.4,22.4,21.7,20,18,15.9,17.1,16.8,17.7,19.2,19.5,20.7
1902,22.6,23.5,22.3,21.1,19.1,17.8,18.1,16.5,18,19.4,23.2,23.6
1903,21.9,23.7,23.6,19.7,17.3,17.8,16,17.4,18.5,19.9,21.5,23.4
1904,23,23.1,22.4,19.8,16.9,15.8,16.2,17,18.8,19.6,20.7,21.7
1905,22.4,23.8,21.2,20.4,19.4,17.3,16.8,17.6,18.7,21.1,20.9,23.4
1906,21.7,22,21.8,20.6,19.7,18.3,17.8,18,18.4,20.4,21.1,22.3
1907,22.1,22.7,22.5,20.4,16.9,17.7,15.9,16,19.5,19.2,20.8,23.1
1908,22.9,22.4,21.5,20.7,18.5,17.5,17.3,16.5,18.2,19.5,21.5,23.1
1909,23.4,24.3,22.5,20.1,17.3,16.6,17.4,17.2,18.1,18.6,20.5,21.3
1910,23.7,22.7,22.9,21.4,16.9,17.8,15.7,17.7,18.2,17.6,19.7,21
1911,23.8,22.9,21.3,20.4,18.4,15.4,15.1,16.5,18.1,19,22.7,23.1
1912,22.7,23.9,22.2,20.4,19.7,17.3,15.5,17.6,16.3,18.2,22.2,21.9
1913,22.5,23.1,23.1,21.1,18.6,16.3,17.8,17.5,19.1,19.6,20.7,21.2
1914,23.6,23,23.4,20.4,17.5,19.2,18.7,18.1,20.2,20.5,22.5,21.9
1915,24,23.7,22.5,22.2,21.4,17.3,17,18.4,19.1,19.3,20,21.5
1916,22.5,21.9,21.6,20.2,18.9,18.3,16.8,17.3,19.8,18.8,21,21.6
1917,23,22.7,21.8,19.5,16.5,15.1,15.4,15.8,18,18.6,19,21.4
1918,23,22.8,22.3,20.6,19.1,16.9,15.4,15.8,17.8,19.6,20.4,21.2
1919,21.7,21.9,21.7,21,19.8,18,17.2,16.7,18.5,20.2,21.9,22.2
1920,23.3,23.3,22.3,20.9,18.2,17.2,17.7,15.4,17.7,19.8,21.3,21.8
1921,22.9,23.6,22.8,20.2,18.4,16.6,15.4,18.7,18,18.7,19.5,21.8
1922,23.6,23.2,23.1,20.8,18.9,17.3,16.6,18.3,18.9,19.3,20.9,22.4
1923,23.4,23,23.2,22,18.9,17.4,15.3,17.4,18.5,19.3,20.9,23.6
1924,22.2,22.2,23.1,21.5,19,17.3,16.4,16.5,18.1,17.8,20.2,21.7
1925,23,23.2,21.8,21.5,19.1,15.5,14.6,18.6,18.8,18.2,20.9,22.9
1926,22.9,21.6,22.5,20.6,18,17.8,16.6,17.4,19.8,20.1,21.4,22.5
1927,22.7,22.8,22.8,21.3,18.1,16.6,15.8,16.9,18.5,19.6,21.4,22
1928,22.7,23.8,23.4,22.3,19.1,18.4,17,17.1,19.2,19.5,20.9,22.4
1929,23.4,23.4,22.5,19.3,17.5,17.5,16.2,17.7,19.4,21.1,19.7,23.9
1930,24,23.4,23.3,20.5,18.9,19.2,17.5,17.9,18.2,20.3,20.3,22.1
1931,23.6,22.2,22.8,21.4,18.6,17.1,17.3,16.8,17.8,19.5,20.3,22.5
1932,22.4,24,23.4,22.3,18.6,17.2,18.2,16.9,19.9,20.9,21.4,22.9
1933,22.7,23.6,22.2,19.6,18.1,16.1,15.9,17,18.4,19.5,19.6,20.8
1934,23.3,23.5,23.1,21.4,19.2,18,16.2,17.2,18.9,19,21.1,22
1935,22.4,23.2,23.3,19.8,17.1,17.9,18.1,17.2,18.6,19.9,20.6,23.1
1936,23.8,22.3,22.3,21.3,21,18.9,17.3,16.4,17.8,19.6,20.6,22
1937,21.6,23.4,23,20.7,17.6,17.3,17.6,18.5,17.9,19.1,19.8,20.5
1938,24.7,23,23.5,20.7,18.2,16.9,16.4,16.8,18.7,19.8,21.1,21.7
1939,23.1,23.6,23.6,20.7,19.5,17.6,15.7,17.9,17.5,19.4,21,21.7
1940,23.6,22.1,22.9,22.1,19.7,17.6,17.8,17.5,18,19.5,20.2,24.2
1941,24.3,24.6,22.9,23.4,20.1,17,16.6,19.3,17.2,20,21.9,22.9
1942,24,24.4,23.8,21.2,19,17.8,14.9,17.4,18.4,20.5,21.3,21.3
1943,22.6,23.3,23.5,19.8,19.4,18.5,16.9,16,18,19.8,21.3,21.3
1944,24.1,23.5,24,20.2,18.2,17.7,15.9,17.9,19.4,21.8,20.7,22.2
1945,23.1,24.5,22.7,20.8,17.5,16.8,17.2,19,18.2,20.3,21.3,21.6
1946,23.4,25.2,22.8,20.1,19.8,17.3,17,18.6,20.5,20.8,21.6,22.4
1947,24.3,24,21.9,20.5,19.7,18.6,16.1,16.9,18.5,18.2,19.7,21.3
1948,24.8,23.8,21.9,20.9,18.8,17.4,18.7,16.9,19.1,19.5,21.3,22.1
1949,23.5,22.8,24.4,20.9,18.6,18.8,16.9,18,19,19.3,20.4,22.2
1950,23.5,23.8,23.5,21.8,20.2,18.3,17.7,19.5,20.1,20.5,20.7,22.8
1951,23.4,23.6,22.8,19.6,18.9,17.1,16,16.4,19.2,20.4,21.8,20.7
1952,23.4,23.2,23.4,20.6,19.1,18.2,17.5,19.3,19.1,21.5,21.8,23.6
1953,25,23.4,24.4,21.6,19.5,18.2,16.5,18.5,20.3,21.2,21.5,22.3
1954,25.2,24.6,24,21,19.1,19,18.4,18.9,20.5,20.3,21.3,22.8
1955,23.7,24.3,23.6,21.2,19.1,18,18,17.9,19.8,19.1,20.2,22.9
1956,25.8,24.2,23.4,21.5,17.9,16.6,17,16.4,19.9,19.8,20.1,21.8
1957,24.5,23.9,23.5,21.5,18.6,17.6,17.3,18.4,19.2,22.4,21.3,23.7
1958,24.6,25.2,23.6,21.3,19.5,18.2,18.2,20.1,19.9,21.5,23.5,24.5
1959,24.9,25.1,23.2,24.4,20.4,18.1,19.4,18.6,21,21.6,22,23.3
1960,23.5,23,22.6,21.4,18,17.6,17.8,18.9,19.8,23,22,21.1
1961,24.4,24.1,23.8,22.6,19.5,18.7,18.3,19.7,21.9,23,22.9,23.3
1962,23.1,23.5,23.9,21.2,18.7,16.3,16.4,17.9,19.7,20,21.5,22.4
1963,24.9,23.6,24.8,21.6,19.1,17.5,17.9,18.7,21.1,21.2,22.5,22.3
1964,23,23.3,23.2,21.7,18.6,17,15.5,18.5,20.1,19.9,20.7,22.2
1965,22.5,23.9,22.8,22,19.5,19.2,17.7,19.4,21.1,21.4,22.5,24.8
1966,25.1,26.2,24.3,21.5,19.5,19.1,18.7,17.7,19,20.9,21.7,23.7
1967,23.7,24.4,23.3,21.7,20.2,18.6,17.7,19.8,20.1,22.2,21.4,21.3
1968,23.8,22.4,23.3,19.8,17.2,16.9,16.8,17,18.5,20.4,22.1,23.5
1969,24.9,24.8,23.6,21.3,20,18.7,17.4,18.2,20.3,19.5,22.5,21.7
1970,23.6,24.5,23.9,21.6,20.5,19.5,17.4,17.7,18.8,20,20.2,24.4
1971,25.9,24.9,24.4,21.6,19.6,17.6,17.9,18.4,19.2,19.9,20.7,23.1
1972,24.4,23.7,24.3,20.9,20.1,20.2,18,19.1,20,21,22.3,23.6
1973,25.3,25.6,23.5,23.9,19.6,19.7,19.2,18.2,19.2,20.3,20.2,23.6
1974,23.5,23.9,23.5,21.3,19.7,17.4,17.9,18.6,19.7,20.2,22.2,22.2
1975,23.3,24.3,24.3,20.4,18.3,17.5,16.4,19.8,20,20.2,21.6,23.5
1976,24.5,23.4,23.2,22,19,17.9,17,18.7,19,19.9,22,23.2
1977,24,24.8,24.2,21.8,19.5,18.9,20.2,19.1,20,21.3,21.7,22.2
1978,24.5,23.8,23.6,20.9,18.9,17.3,18.8,19.5,19.6,21.1,22.2,22.9
1979,21.8,23.4,22.4,20.9,20,17.3,17,19.5,18.9,21.5,21.7,23.5
1980,23.3,24.6,25.1,22.1,20.5,18.2,18.5,18.9,18.6,21,21.7,24.2
1981,24.7,24.7,23.7,21.3,20,17.8,16.7,18.6,20.6,20.3,22.9,23.4
1982,22.6,24,22.6,20.3,18.5,19.3,18.6,19.3,19.7,21,23.6,22.9
1983,24.5,24.8,23.7,22,20.8,18.8,18.4,17.7,18.1,20.6,22.7,23.3
1984,25.5,25.1,23.6,21.4,21.5,19.6,19,17.8,19.2,21.9,21.9,22.5
1985,22.9,24.9,24.5,23.1,19.3,17.1,17.4,19.3,19,21.2,21.9,22.6
1986,24.9,24.8,24.3,23.1,21.2,18.6,17.2,19.1,19.4,20.9,23,23.5
1987,25.1,24.4,23.5,23.2,19.7,17.5,19.7,18,18.8,21,22.6,24
1988,26.3,24,24.1,22.1,19.7,17,16,18.3,20,20.4,21.4,23.1
1989,24.3,24.4,24.4,23.2,19.3,18.2,16.8,18.7,19.6,19.1,22.4,23
1990,25.7,24.4,24.7,24.3,19.6,18.5,17.4,17.5,19,22.2,24,22.8
1991,23.7,24.3,24,22.5,20.5,19.7,18,18.5,19,20.4,23,24.1
1992,23.2,23.9,24,22.8,21.3,19.9,18.1,17.5,18.7,20.1,22.1,22.3
1993,24.6,23.6,24.4,23,19.4,18.3,19.4,17.9,19.7,21.4,24,22.8
1994,23.5,25.4,23.5,22.1,20.7,17.9,18.1,17.4,19.9,21.3,23,24.2
1995,25.5,24.2,24.1,22.3,19.7,18.8,19.3,21,19.8,19.8,22.5,22.6
1996,24.6,24.2,24.4,23.3,18.8,18.5,16.9,17.5,18.4,20.8,21.9,24.2
1997,23.7,24.3,23.5,22.1,18.7,18,18.9,18.9,20.6,22.9,23.9,25.1
1998,26,25.5,25,23,19.7,18.1,18.1,20.2,20.3,20.1,22.3,23.7
1999,24.7,24.3,24.7,21.7,18.8,18.4,17.8,17.8,19.9,18.8,21.3,22.8
2000,24,23.7,23.5,22.3,19.2,18.6,16.6,18,19.5,22.5,22.5,23.4
2001,25.8,25.8,25.2,23.9,20.3,19.3,19,19.2,19.9,21.7,22.9,23.4
2002,24.8,23.7,25.5,24.2,21.2,20.6,18.4,20.9,19.5,24,23.3,24.5
2003,23.6,26.4,24.5,23.1,20.2,20.4,19.2,18.1,20,21.7,22.8,24.2
2004,24.2,23.4,23.3,22.8,19.7,18.5,17.8,18.8,22,21.2,22.8,23.2
2005,24.6,24.4,24.4,23.8,21,19.7,18.6,20.2,19.8,22.8,21.9,22.7
2006,25.8,25.5,24.4,22.5,19.3,18.6,19.3,19.9,19.9,21.5,22.2,24
2007,24.7,25,25.6,23.4,19.9,19.9,18.6,19.4,21.2,22.7,22.4,24.2
2008,23.9,24.5,23.9,23.4,19.8,19,18.9,20,19.7,22.4,22.3,23
2009,24.5,25.3,25.1,22.5,20.9,18.4,19.1,19.3,21.3,21.6,24.8,23.9
