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