1901,22.7,22.9,22.1,20.3,17.1,15.4,14.9,15.4,16.4,18.2,20.1,21.7
1902,22.4,22.9,22.4,19.8,17.7,15.1,15.1,15.1,16.3,18.4,19.6,21.8
1903,22.8,22.8,22.2,19.7,17,15,15,15,16.7,18.1,19.8,21.7
1904,22.6,22.8,22.2,19.9,17.2,15.3,15.2,15,16.5,18.1,20,21.3
1905,22.9,22.8,22.4,20.3,17.2,15.1,15.5,14.8,16.6,18.4,20,21.7
1906,22.8,22.8,22.3,19.9,17.3,15.4,14.7,14.6,16.5,18,20.1,21.4
1907,22.7,22.7,22.3,19.8,16.8,15.3,15.1,15.2,16.6,18.1,19.7,21.4
1908,22.6,22.9,22.3,19.4,17.5,15.2,15.1,15.1,16.7,18.2,19.9,21.8
1909,22.9,22.8,22,20.2,17.3,15.7,15.3,15.3,16.8,18.1,20.3,21.3
1910,22.9,22.9,22.4,20.2,17.4,15.2,15.2,15,16.6,18.1,19.7,21.9
1911,22.9,23.2,22.3,20,17.2,15.2,14.9,15,16.5,18.6,20.2,22
1912,23.1,22.8,22.5,20.1,17.4,15.5,15.1,15.2,16.2,18.6,20.2,21.9
1913,23.3,23,22.6,19.9,17.4,15.5,14.9,15.5,16.4,18.2,20.2,21.7
1914,23.2,23.1,22.5,20,17.6,15.2,15.1,14.9,16.9,18.7,19.9,21.5
1915,23.4,23.2,22.7,19.8,17.4,15.4,14.6,15.3,16.6,18.3,20.1,21.9
1916,23,23.3,22.3,20.2,16.9,15.1,15.1,14.9,16.6,18.5,20.3,21.9
1917,23,23.2,22.3,20,17,15.2,14.9,14.8,16.5,18.4,19.9,21.7
1918,22.8,23.2,22.2,20.2,17.1,15.4,15.1,15,16.7,18.4,20.1,21.7
1919,23,23.2,22.7,20.5,17.5,15.7,15.1,15.3,16.3,18.6,20,21.9
1920,23.3,22.8,22.1,20.4,17.3,15.1,15.3,15.4,16.5,18.2,20.5,21.9
1921,22.8,23,22.5,20,17.4,15.3,14.7,14.8,16.5,18.3,20,21.5
1922,22.9,23,22.6,20.5,17.3,15.2,15.3,15,16.9,18.4,20.1,21.9
1923,22.9,22.9,22.6,19.9,17.1,15.4,15.1,15.3,16.8,18.9,20.4,22
1924,23.2,22.9,22.1,20.2,17.1,15.2,15,15,16.7,18.3,19.8,21.7
1925,22.8,23.2,22.4,20.2,17.2,15,15.1,15.4,16.7,18.3,20.1,21.9
1926,23.5,23.2,22.5,20.3,17.4,15.4,14.7,15.1,16.5,18.3,19.9,21.7
1927,23.4,23.2,22.6,20.4,17.3,15.7,15.4,15.3,17.1,18.5,20.6,21.8
1928,22.9,22.9,22.4,20.2,17.7,15.4,15.3,15.3,16.6,18.5,20.2,21.9
1929,23.3,23.1,22.3,20,17.5,15.8,15,15.3,16.7,18.6,20.2,21.8
1930,22.9,22.9,22.5,20,17.8,15.6,15.5,15.1,16.4,18.6,20.4,22
1931,24.1,24.6,23.3,19.1,19.6,17.1,14,15.2,16.4,17.1,21.3,21.5
1932,22.9,22.8,23.3,23.1,18,15.5,14,16.2,14.9,18.7,20.4,22.3
1933,24.1,24.3,23.8,21.5,18.7,15.3,15,15.7,17,19.5,19.6,22.3
1934,22.5,21.8,21.5,21.2,18.5,17.3,14.4,15.7,17.1,16.8,19.3,21.5
1935,23.1,22.8,21.5,19.7,16.5,14.7,15.3,14.4,15.4,20,19.3,21.5
1936,22,22.1,21.9,21.8,16.3,17.2,15.9,16.9,16.6,17.7,19.6,21.4
1937,22.8,22.7,22.2,21,18.3,14.9,14.1,16.7,15.7,19.2,20.9,21.8
1938,23.2,23.2,23.3,19.5,17.7,16.3,15.3,15,15.2,18.1,18.4,21.5
1939,23.1,21.8,22.1,19.8,17.5,16.3,15.7,14.2,16.3,18.5,19.8,22
1940,23,23.5,22.5,19.8,17.5,16.1,15.6,17,15.7,20.1,19.1,22.4
1941,23.9,24,24.1,21.2,19.5,16.7,16.8,16.6,15.2,19.8,19.6,21.7
1942,23.5,24.4,22.9,20.5,17.4,15.3,16.2,15.3,16.8,17.8,20.6,21.2
1943,22.9,23,23.3,20.2,17.7,16,14.5,13.5,16.3,19,19.3,21.3
1944,23.7,23.3,23.5,21.5,16.5,14.4,15.8,16.3,15.5,20.3,20.8,22.2
1945,24.2,25.6,23,22.3,17.5,15.2,15.8,17.9,19.4,17.7,21.5,21.8
1946,23.4,24,22.8,21.8,18.2,16.8,16.1,15.9,17,18.1,20.8,22.8
1947,23.7,25.2,23,21.2,18.5,16,13.7,16.6,16.4,19.7,20.8,22
1948,23.1,23.7,21.8,20.4,18.5,16.9,15.9,17.6,16.2,18.3,19.8,21.5
1949,24.3,23.1,22.5,20.7,18.1,16.8,15.8,15.1,17.3,19.3,18.9,21.9
1950,24.3,23.4,22.8,19,16.7,17.1,13.8,15.1,16.6,18.3,19.2,21.3
1951,22.4,23.5,22.2,20.9,17.9,15.5,14.9,15.4,16.6,17.9,20.5,22.6
1952,23.7,23.1,23.1,21.7,17.2,16.4,14.5,14.6,15.7,19.3,20.8,21.3
1953,24.1,22.3,22.8,19.5,18.4,14.9,15,14.1,17.7,19.4,19.7,21.5
1954,23.1,22.8,21.3,19.6,16.8,15.6,13.8,15.2,17,18.6,19.3,21.7
1955,22.9,21.5,22.4,19.9,19.2,14.9,14.6,13.8,16.5,17.1,19.3,20.5
1956,23.6,21.1,21.1,20.3,16.2,15.3,15.4,14.7,15.8,18.5,20.8,20.2
1957,23.3,22.6,23.3,20.3,18.3,14.3,15.3,15.2,15.7,16.9,20.9,22.5
1958,23.3,22.7,22.9,20.8,17.4,15.7,16.4,16,17,18.2,20.3,22.3
1959,22.5,23.8,22.9,20.3,15.3,16.3,15.5,15.2,17.8,18,20.7,21.9
1960,23.4,23.2,22.3,19.9,17.3,15.7,15.2,16.5,17.9,19.4,21.5,21.2
1961,22.8,23.6,22.8,20.9,16.4,15.5,16.6,16.1,17.9,18.1,20.6,21.4
1962,23.5,22.1,23.3,20.2,19.1,15.8,15,16,17,18.6,19.2,23.1
1963,22,23.8,22.7,19.7,16.7,15.3,14.3,15.8,19.4,19.2,20.7,22.6
1964,23.8,23.4,23,20.3,18.6,14.1,15.1,14.4,15.8,17.6,19.1,22.2
1965,23.2,23.3,22.4,19.7,18.5,14.6,15.5,16.7,18,17,20,21.2
1966,23.9,22.2,22.9,19.8,17.9,17,15.1,15.7,16.4,19.8,20.8,22.5
1967,22.8,23.1,21.7,18.5,17.4,15.3,14.8,16.2,17.7,18.4,21.3,22.4
1968,23.1,22.7,22.2,19.8,17,13.6,14.7,14.6,17.8,18.4,21.7,21.9
1969,24.1,23.8,23.1,20.3,18.1,15.9,15.9,16.5,16.1,17.8,20.9,22.8
1970,24.2,23.7,24.1,21.9,18.3,15.4,14.8,14.7,16,19.6,20,21.1
1971,23.1,23.1,23.2,21.1,18.2,16,15.3,14.4,17.1,18.2,19.8,21.3
1972,22.8,22.8,22.6,21,17.2,16.4,15.8,15.7,17,20.3,22,22.8
1973,23.7,22.9,23.1,21.4,17.2,17.2,16,15.5,16.2,19.4,20.9,20.4
1974,22.1,21.6,21.3,19.7,16.4,15.1,15.1,13.2,15.7,17.9,19.5,22
1975,23.7,23.6,21.5,19.7,16.8,16.4,14.9,14.8,17,17.7,20.1,21.1
1976,21.9,21.7,20.9,19.2,16.9,14.4,13.9,14.5,16.1,17.6,18.1,21.4
1977,23.5,22.8,21.8,20.5,16.4,15.4,14.6,15.2,15.8,18.5,20.7,22.1
1978,23.2,22.4,22.3,19.2,18,15.4,15.9,14.3,14.9,16.9,21.4,21.6
1979,23.2,22.8,22.6,21.9,17.6,15.5,14.3,15.2,16.3,18.6,21.3,23.3
1980,23.3,23.6,23.4,21.1,17.9,16.3,16.7,16.7,17,19.9,17.8,22.3
1981,22.6,23.9,22.6,21.7,18.6,15.3,15.4,13.7,15.8,18.4,20.9,22.4
1982,22.9,23.9,22.9,18.9,18.5,16,14.9,16.3,18.5,19.1,20.2,21.6
1983,23.3,23.1,22.4,21,16.9,14.8,16,16.3,17.3,19.2,19.8,22.6
1984,24.1,24.6,23.6,20.6,18.2,16,15.7,16.5,17.5,18.4,20.7,21.8
1985,23.4,22.8,22.2,20.4,18.5,16.2,16.1,16.9,16.7,19.9,21.1,22.5
1986,23.1,23.2,22.7,20.1,17.2,16.4,15.7,16.5,17.7,19,20.9,22.4
1987,23.4,23.4,23.5,20.4,19.5,16.5,15.8,16.2,17.2,19.1,20.4,21.7
1988,23.1,23.6,23.7,19.8,18.3,15.7,14.8,16.3,17,18.3,20.8,21.8
1989,23.4,23.2,22.3,20,17.3,15.8,15.2,16.5,18,19.4,21.5,21.1
1990,23.9,23.5,23.2,20.4,18.4,15.1,14.9,15.9,17.6,18.7,20.6,22.2
1991,23.1,23.3,23.8,21,19.1,16.3,17,16.2,17.9,19.3,20.4,22.3
1992,23.2,24.1,23.3,20.6,17.5,16.6,16,16,17.4,19.2,21.4,22.3
1993,23.6,23,23.8,21.1,17.6,16.8,17.9,16.6,17.9,18.9,20.8,22.1
1994,23.2,23.8,23.5,21.2,17.1,14.9,15.8,15.7,17.6,19.1,21.3,23
1995,24.2,24.5,23.5,20.9,18.8,15.8,14.4,15,17.5,18.7,20.2,22.1
1996,23.5,23.3,21.9,21.3,17.3,16.2,14.8,15.1,16.5,18.3,19.5,21.7
1997,22.6,22.5,21.9,20,17.9,15.6,16.9,15.8,18.1,19.9,21.1,22.6
1998,23.5,24.4,23.1,21,18.7,14.7,15.3,16.4,16.7,18.3,19.9,21.8
1999,22.9,23.2,23.6,20.7,17.9,17.1,16,16.3,17.3,19.1,20.1,23.2
2000,24.7,23.7,23.1,20.5,17.3,17.6,16.8,16.4,17.7,19,20.9,21.6
2001,23.2,23.5,23.9,20.3,18,16.3,15.3,15.4,16.4,19.5,20.3,21.7
2002,22.8,23.5,22.6,21.2,17.4,15.2,14.7,15.5,17.6,19.8,20.2,22.4
2003,23.9,23.9,23.1,22,17.9,15.8,16,14.8,16.9,19.2,20.9,21.9
2004,22.2,23.9,23.1,20.7,19.4,16.5,15.3,16.1,16.9,20.1,22.2,22.3
2005,23.3,24.4,22.8,19.9,18.1,15.9,17,15,18.4,19.5,20.1,22.9
2006,23.5,23.2,22.6,21.2,17.5,16.3,16.4,15.3,19.5,19.8,20.7,21.9
2007,23.8,23.8,23,22.6,18.5,15.8,15.6,15,18.1,19.4,19.9,21.6
2008,24.3,23.6,22.9,20.5,18.3,16.6,16.3,16.5,16.2,16.5,20.6,22.8
2009,23.3,23.5,22.8,22.9,18.6,15.9,16.2,18.5,16.9,21.2,21.9,22
