1901,22.9,21.9,21.7,18.6,16.2,12.3,11.4,13.3,16.9,18.3,20.4,22.3
1902,23.6,23.4,21.2,18.3,15.8,14.7,13.4,13.4,16.3,19.1,20.9,23.5
1903,24,24,22.7,19.8,15.6,13.1,13.1,13.1,15.7,17.2,18.6,22.6
1904,22.6,22.9,21.2,18.9,15.7,11.9,12.4,13.3,16.1,18.4,21.5,22.1
1905,22.9,22.5,22.2,19.4,16.2,13.5,11.5,13.3,15,17,20.7,22.4
1906,22.8,22.4,21.1,20,16.3,14.5,12.8,13.3,16.2,18.5,19.8,21.5
1907,22,21.9,21,18.5,15.9,14.2,11.6,12.8,16.2,19.3,20.2,22.1
1908,21.3,22.1,21.2,19.3,16.1,11.9,11.7,12.1,15.3,16.6,20.3,22.2
1909,21.5,21.2,20.6,18.1,15.3,14.1,11.6,13.5,15.7,19.2,20.4,21.7
1910,22.5,21.1,20.1,18.3,16.8,14,12.4,14.1,17.4,18.1,19,22.5
1911,21.9,21.2,20.7,18.4,14.8,12.2,12.4,13.2,16.3,18.3,21.9,24
1912,22.8,23.1,21,18.8,15.4,14.7,12.9,14,16,18.2,21,22.2
1913,21.7,21.5,20.6,18.8,14.8,13,13,12.7,15.8,19,21.2,21.7
1914,23.6,21.8,21.2,20.1,15.3,13.5,11.7,13.8,15.8,17.3,22.2,22.8
1915,21.8,22.9,21.4,19.5,14.6,13.8,13.7,13,18.1,19.7,23.3,21
1916,22.9,23,21.8,19,15.8,13.2,12.9,13.2,15.2,17.8,18.8,20.8
1917,22.6,21,20.5,17.6,13.8,12.3,12.8,11.9,15.1,17.4,19.3,20.2
1918,20.7,21,19,17.2,14.5,12.9,10.9,13.6,14.8,18.9,20.5,21.4
1919,22.6,22.3,21.6,18.7,16.1,13.7,12.4,12.3,16.1,18.3,20.2,21.9
1920,20.9,20.8,19.8,17.8,14.7,12.9,12.5,12.7,15.2,18.1,20.4,22.6
1921,20.7,20.9,20,19.1,15.8,14.1,13.7,12.2,14.5,16.5,21.3,20.6
1922,22.1,20.7,20.4,19.2,15.5,13.8,10.7,12.7,15.2,19,21.2,22.6
1923,22.8,22.1,20,18.4,17.3,13.8,12.2,11.9,16.4,18.5,19.8,23.4
1924,22.2,21.1,20.4,17.7,15.5,12,14.1,13.9,16.5,18,19.9,20.1
1925,21.6,23.1,19.9,17.8,15.5,13.2,11.5,13.4,14.2,17.3,19,21.7
1926,21.9,23.5,21.5,19,15.9,13.8,12.1,14.2,15.3,19.3,20.3,20.6
1927,21.2,21.7,20.7,18.4,14.8,13,12.3,12.6,15.6,17.6,20.2,20.4
1928,21.2,21.8,21,19.4,14.5,12.2,12.8,14.8,16.9,19.7,20.7,21.4
1929,23.5,22.1,20.9,18,14.2,12.4,11.2,13.6,14.7,17.9,19.8,22.6
1930,21.6,21.2,20,17.5,15.4,14,13.8,13.5,15.4,18.7,21.3,21.3
1931,24.2,21.3,20.9,18.1,16.9,15,13.4,14.3,16.4,17.3,19.9,21
1932,23.1,22.8,21.8,19.2,15.7,12.9,12.1,12.9,14.9,17.8,19.9,21.1
1933,22.9,22.1,21.5,18.1,15.3,13.2,13.1,11.9,15.7,18.6,18.8,20.4
1934,20.9,21.2,20.3,18.2,15.2,11.9,13.3,13.8,15.5,17,19.7,20.1
1935,22.3,22.8,20.3,17.6,14.3,12.7,12,12.9,15,18.5,20.1,21.7
1936,21.6,21.8,20.2,17.5,15.5,12.9,12.8,14.1,15,19.4,20,21.9
1937,22.4,21.7,20.9,17.9,15.7,12.6,12.6,13.6,16,18.8,19.4,21.7
1938,22.2,23,21.2,18.9,17.3,13.2,12.2,12.2,15.4,18.4,20.8,22.7
1939,23.1,22,21.5,18.4,16.8,13.3,11.8,12.7,14.1,16.4,19.4,21.4
1940,23.9,22.6,21.3,18.5,15.2,14.1,12.2,14.1,15.6,18.1,21,21.5
1941,21.2,21.2,21.1,17.8,15.9,13.3,12.4,12.2,16.3,18.7,21,21.7
1942,23.7,21,21.9,18.9,16.4,15.1,13.7,14.5,16,17.8,20,20.4
1943,22.2,21.9,20.9,18.1,16,11.7,11.4,12.2,16.1,18.6,19.1,21.1
1944,22.4,21.9,20.3,17.7,14.2,13.4,13.3,13.5,15.3,17.5,21.2,23.2
1945,22.6,23.1,21.6,18.5,15.7,15.5,12.7,14.3,15.1,17.8,20.5,21.3
1946,23.1,23.4,21.1,18,15.4,11.7,11.7,14,15.1,16.9,21.5,23
1947,23,22.5,21.5,18.3,16.5,13.4,11.9,13.7,15.6,17.8,19,21.6
1948,20.4,22.1,21.5,17.6,14.7,13.4,11.9,14,15.7,18.5,20.5,22.2
1949,21.6,23.2,21.5,17.4,15.1,12.7,12.1,12.9,15.3,19.7,20.1,21.7
1950,22.8,22,22.1,19.1,15.9,14.2,15.3,13.4,16,17.9,19.1,20.9
1951,20.5,21.6,21.5,17.4,14.3,14.5,12.5,12.4,15.7,17.6,20.9,22
1952,23.8,22.1,20.8,19.2,15.6,13.8,13,13.9,15.7,18.6,21.3,22.2
1953,21.5,21.6,20.6,19.5,15.1,12.9,12.5,12.8,15.5,18.2,21,23.4
1954,21.5,22.4,22.7,19.6,15.5,13.6,13.9,14,15.1,17.6,20.5,21.3
1955,22.3,23.1,22.4,19.8,15.5,14,12.2,13.5,15.9,18.5,20.4,21.4
1956,22.3,22.2,22.6,19.3,15.3,13.2,11.8,12,14.2,17.6,19.7,22.1
1957,21.9,22.7,20.8,19.9,15.2,14.9,11.5,13.7,15.4,18.5,21.9,23.6
1958,22.4,23,22.4,19.8,17.4,15.5,12.9,14,14.4,18.9,20.5,22.4
1959,22.4,22.1,21.5,18.8,15.6,13.7,13.6,13.1,15.9,16.9,19.6,22.4
1960,22.6,22.9,20.3,18.6,14.6,12.4,12.4,12.1,15.4,18.1,19.4,20.3
1961,20.6,21.4,20.5,18.7,14.7,13,11.5,12.8,15.3,18.7,20,21.5
1962,22,22.6,20.3,18,14.7,13.8,13.1,12.7,15.4,18,20.7,21
1963,22,22.7,21.8,18.9,16.5,13.5,11.4,14.1,15.3,17.1,18.9,20.3
1964,23.4,22.3,21.5,19.2,16.1,13.3,13,13.3,16.2,17.3,19.8,21.7
1965,22,21.6,21.5,19.2,16,14,11.6,13.7,16.9,18.2,20.7,21.2
1966,21.3,23.3,21.4,19.4,15.2,13.8,12.1,13.6,15.8,17.5,20.3,21.3
1967,22.4,21.9,20.3,18.6,15.7,15.9,12.8,13,15.7,19.8,20.5,20.9
1968,22.7,22.3,21.9,20.5,15.5,13.3,12.2,13.2,15.6,18.7,22.4,21.5
1969,23.8,22.9,21.6,19.1,16.8,13.8,14,15.4,14.5,18.1,20.2,22.9
1970,23.5,22.6,21.8,19.5,14.8,13.6,11.9,13.8,15.7,18.6,19.8,22.3
1971,23.1,23,21.2,18.3,15.3,13.1,12,13.9,16.2,19.3,19.8,21.4
1972,22.1,21.3,21,18.3,16.1,14.2,12,14.4,16.4,18.8,20.9,23.1
1973,24.1,23.3,22.6,20.2,17.6,14.9,15.1,15.2,17.4,19.8,21.6,22.6
1974,23.1,22.4,21.7,19.7,16.2,13.7,12.6,13.1,15,17.7,19.5,22.5
1975,22.9,22.4,22.3,18.9,16.2,13.8,14,14.3,16.8,18,20.8,21.8
1976,22.6,22,22.3,18.9,16.7,14.6,13.9,13,15.3,17.5,21.7,23.6
1977,22.9,23.2,22.2,19.8,16.6,13.5,12.5,14.1,16.3,19.4,21.7,22.6
1978,23.9,23.8,22.5,19.5,16.2,13.5,12.9,13.3,15.9,17.2,20,22
1979,23,22.4,21.6,20.1,15.5,15.1,12.9,14,16.3,18.2,21.8,24.4
1980,24.5,23.1,21.9,19.9,17.6,14.4,12.8,15.2,17.5,20.1,21.6,21.7
1981,22.7,24.1,22.1,19.8,16.4,13.4,13.2,13.8,17.5,17.8,20.1,23.3
1982,23.6,23.2,22.5,19.3,16.4,12.6,12,14.7,16.3,17.7,20.3,22.7
1983,22.6,23.4,22.6,19.1,17.5,14,13.6,14.1,18.2,19.2,20.3,20.8
1984,22.2,22.2,21.6,18.5,15.5,14.9,13.2,13.6,15.3,17.7,20.5,22.3
1985,23.4,22.6,21.6,19,16.9,12.9,12.9,13.4,16,18.1,20.5,23
1986,22.7,23,21.3,20.1,17.4,13.7,14.1,13.4,17.1,19.3,19.7,21.8
1987,25.1,23.2,21.3,19.3,16.8,14.8,12.6,15.1,16.2,18.5,19.9,22.7
1988,22.9,21.6,19.9,19.5,17,14.6,14.4,14.7,17.4,21.6,21.4,22.5
1989,22.3,21.5,21.8,20.2,18,14,13,12.7,16.2,19.9,20.1,21.4
1990,22.7,23.3,21.2,19.6,17,13.7,13.3,13.2,15.8,19.4,21.7,24.6
1991,24,23.4,21.5,19.2,17.5,15.5,12.7,14.3,16.8,19.2,21.3,22.1
1992,23.5,23.1,21.1,18.9,16.3,13.2,13,14.2,16.2,18,21,21.6
1993,23.7,23.4,21,18.7,16.7,13.6,15.4,14.5,16,18.9,20.4,21.7
1994,24,21.9,20,18.4,15.4,13.3,12.6,13,15.6,18.1,21.9,21.7
1995,22.7,22.2,21.8,18.3,16.6,13.9,12.7,14.4,16.6,18.8,22.2,21.8
1996,23,22.3,20.9,18.3,16.6,14.6,12.3,14.1,16.7,18.4,21.1,21.8
1997,21.3,23.4,21.6,18.6,16.2,13.7,13.1,13.4,16.8,18.5,21.9,24.1
1998,23.5,24.1,22.9,19.5,16.2,14.2,14,15,17.4,19.1,19.6,22.1
1999,22.8,22.3,21.7,17.8,16.8,13.5,14.3,14.1,16.7,19.5,19.2,20.1
2000,22.1,21.2,21.9,19.2,16.2,13,13.1,13.9,17.9,19,20.1,22.6
2001,23.1,22.3,22.6,19.1,15.6,14.5,13.4,13.7,16.1,19.3,20.3,23.9
2002,23.9,23.6,21.8,19.3,15.7,13.9,11.7,13.8,17.6,19.6,21.5,22.9
2003,22.8,22.8,21.2,18.6,16.2,14.5,13.1,14.1,17.9,18.3,19.8,22.9
2004,24.3,24,22.1,19.8,15.5,14,13.4,14.1,16.2,19.7,20.8,22.1
2005,23.2,23.4,21.1,19.9,16,14.7,14.1,13.8,16.8,20.4,21.7,23.8
2006,24,23.8,21.7,19.3,15.4,13.3,13.3,14,16.5,18.4,20,20.5
2007,22.6,22.2,21.9,19,17.4,13,11.6,14.3,16.4,19.7,20.3,22
2008,22.7,21.7,20.4,17.4,15.1,14.8,12.8,12.5,17,18.4,20.8,22.3
2009,23,22.9,21.9,19.2,15.7,13.4,12.8,15.3,17.1,19,21.8,22.8
