1901,21.4,21.4,20.1,15.3,15.4,13.4,14.5,15,17.9,19.7,19.8,21.5
1902,21,23.1,20.5,17.9,16.5,15.6,14.3,12.1,17.9,17.8,20.7,21.3
1903,21.4,21.8,20.5,16.7,13.8,13.8,12.9,14.1,17.9,17.1,19.5,20.1
1904,20.4,20.3,20.6,17.8,13,12.5,14.2,14.3,16.7,17,19.8,20
1905,20.2,20.2,20.1,16.2,14.9,14.3,12.3,14.5,16.4,19.9,18.8,20.6
1906,22.8,22.8,21.4,17.8,17.1,13.2,14,14.6,15.7,18.7,20.6,20.3
1907,21.8,22.2,22,18,13.6,13.1,13,13.5,17.4,18.5,20.2,22.3
1908,22.3,21.3,20.2,17.7,15.2,14.4,14.6,13.3,16.9,18,20.2,21.4
1909,22.5,21.2,20.2,18.2,12.5,12.5,13.3,16.9,17.1,17.9,19.1,19.9
1910,22.4,20.7,20,19,14.8,14.5,12.9,15.8,16.6,18,20.2,20.7
1911,22.8,22.2,19.4,17.6,15.7,11.8,12.7,14,16.1,17.8,20.9,21.9
1912,22.6,23.2,21.2,18.3,16.2,14.1,11.3,14.4,15,18.1,20.6,21.6
1913,19.5,20,18.9,17.7,14.6,11.8,15.7,14.2,15.6,18,19.9,20
1914,21.2,20.5,20.5,17.4,13.7,15,15.6,13.1,15.7,17.8,18.9,19.8
1915,21.5,22.3,18.4,18.3,16.9,9.5,12.2,15.2,14.7,17.5,17.9,19.9
1916,20.6,19.1,17.7,17.4,14.7,12,10.1,13.5,17,17.4,19.9,19.7
1917,22.7,20.5,19.1,15.4,12.7,11.8,11,13.1,16.8,16.2,18.2,21.3
1918,21.7,19.2,18.6,16.5,13.3,11.7,11.5,14.2,16.5,18,20.2,20.3
1919,22.4,20.2,20.6,18.2,16.5,13.4,14.7,12.7,12.6,18,18.8,21.1
1920,21.6,21.4,21.1,18.7,14.9,12.3,10,12.8,15.7,18.3,20.4,20.5
1921,21.7,21.4,19.5,16.9,17.4,10.6,11.5,14.9,15.6,18.1,19.5,23.1
1922,21.6,21.1,19.5,17.7,14.4,11.1,14,14.6,16.1,15.5,20.3,20.6
1923,22.2,21.5,21.1,18.8,12.3,12.8,10.8,15.1,16.6,17.8,19.5,21.9
1924,21.2,21.4,20.4,15.8,12.7,13.3,11.7,12.3,14.6,16.8,18.1,21.9
1925,21,22.2,20.2,18.3,14.4,10.7,11.1,17.1,16.3,17.2,19.9,21.8
1926,22.6,22.3,22.8,17.8,14,15.1,12.2,15.7,18.4,19.3,21,21.1
1927,22.1,22.2,20.7,17.5,14.7,11.6,12.6,14.6,17,18.7,20.2,20.2
1928,23.2,22,20.6,18.9,14.7,11.8,11.5,13.4,15,18.2,20.9,21.1
1929,23.2,21.9,20.4,18.2,14.2,11.6,11.8,13.9,15.2,18.4,20.6,21.2
1930,21.7,21,20.8,18.8,15.7,17.5,12.7,14.2,15.6,17.7,19.8,21.4
1931,22.9,22.9,21.1,17.2,12.7,11,12.8,15.2,14.8,18.3,19,21.5
1932,22.5,21.5,20.5,18.4,13.8,12.4,15.5,13,16.5,18.4,20.5,20.8
1933,24.4,22.7,21.8,19.6,17,13,11,16.5,17.7,20.8,20.8,22.5
1934,23.2,21.4,21.9,16.3,16,16,13.6,15.4,17.3,18,21.7,22.1
1935,23.6,22.9,22.6,17.6,16.4,15.6,13.2,15.1,15.4,17.8,20.2,22.5
1936,23.8,21.8,22,17.6,17.9,14.7,13,12.9,17.5,20.1,20.8,22.5
1937,23.1,22.2,20.5,16.3,14.3,14.9,14.4,17.2,16.7,18.4,21.1,22.5
1938,22.9,21.7,21.2,16.5,15.9,14.3,14,14.6,17.2,18.5,21.1,22.5
1939,23.6,21.8,20.2,16.8,17.2,15.5,12.3,16.3,17.1,20.3,19.7,21.3
1940,21.8,21.3,20.2,18.7,17.9,15.5,16.2,14.1,17,17.9,19.9,23.5
1941,22.9,23.1,20.7,18.7,14.7,10.5,13.8,16.3,12.6,19.3,19.6,21.3
1942,23.4,22.6,20.9,18.1,13.4,10.6,10.1,15.7,16.1,18.4,20.9,22
1943,23.3,22.1,20.8,17,16.6,13.8,15,10.9,16.4,20,20.2,21.6
1944,23.5,22.6,20.5,16.9,16.3,14.8,14.2,16.8,18.9,21,19.6,23.2
1945,23.5,22.5,20.8,18.3,13.9,12.1,14.2,18.3,17.7,20.9,20.5,21.8
1946,21.5,23,20.3,17.4,15.5,12.5,11.7,16.8,18.6,19.1,21.8,21.2
1947,22.9,22.8,20.7,18.3,16.2,15.7,11.7,14,16.8,17.5,20.7,21.6
1948,24.5,22.2,20.4,18.1,15.4,15.8,14.4,14,18.1,18.6,20,22.3
1949,22.1,22.4,22.5,17,15.7,15.1,13.1,14.3,16.4,16.1,21.3,21.4
1950,21.7,21.2,19.1,17.7,17.4,14.7,13.4,17.2,16.8,17.7,19.6,21.2
1951,21.2,20.8,20.7,14.3,16.3,12.7,13.5,14.6,16.4,18.9,19.6,20.3
1952,22.5,21.7,21.2,15.4,16.2,9.8,13.3,15.2,16.2,18.1,19.6,22
1953,22.3,22,21.2,16.3,15.5,13,9,17.7,19.2,18.6,20.1,22.3
1954,21.5,22.6,20.1,18.2,13.7,14.1,12.1,15.4,17.2,18.3,22.2,21.8
1955,22.7,23.2,19.3,17.4,14.6,14.3,9.4,14.4,17.7,16.7,20.2,21.3
1956,21.1,21.7,20,16.1,12.2,10.4,12,12.8,16.9,18.1,20,22.3
1957,21.8,20.3,21.6,16.4,16.4,12.8,10.4,15.2,15.2,19.9,20.1,22.4
1958,23.7,22.9,20.4,19,14.9,14.4,14.5,13.2,15.9,18.4,19.9,20.6
1959,22.7,22.5,20.7,18.9,15.9,13.8,15.1,13.7,17.7,18.1,20.5,21.1
1960,23,21.4,21.2,17.1,13.1,14.2,14.1,14.4,17.7,19.5,19.7,22.8
1961,23.2,22.8,20.5,18.6,16.3,13.8,15.1,18.3,18.2,20.5,21.1,22.2
1962,22,21.5,21.3,17.8,14.1,11.7,9.3,13.2,16.6,16.4,21,22.9
1963,23.7,22.1,21.9,18.2,16.5,13.7,16.2,16.9,18.9,21.2,20.9,22
1964,23.3,22.1,20.9,19.6,16,11.7,10.9,14.5,16.7,17.9,19.2,20.4
1965,21.5,21.8,18.7,18.1,15.8,16,12.9,15.8,16.6,18.9,20.5,21.6
1966,23.1,22.3,20.9,18.5,15.9,15.5,14.5,12.8,16,19.2,19.7,22.7
1967,21.3,21.1,19.9,17.3,17.4,10.9,14.5,16.6,18.2,20.7,19.5,20.9
1968,20.9,21.3,19.9,14.2,11.7,13.6,13.8,14,13.9,19.6,21.9,21
1969,21.7,22.4,20.8,16.6,15.7,12,14,12.7,17.7,17.4,20.1,20.5
1970,22.3,21.1,20.7,18.6,16.1,13.8,12.7,12.7,15.3,18.3,17.1,20.9
1971,22.4,21.6,20.4,14.7,13.9,9.6,13.7,14.2,17.3,17.1,19.3,20.9
1972,21.7,20.5,20.4,16.1,17.1,17.6,14,13.6,16.5,17.4,19.8,21.3
1973,23.4,22.7,20.6,20,15.7,13.8,12,13,15.9,18,18.3,20.6
1974,22.4,22.1,19.8,17,15.1,12.9,14.3,14.9,16.2,17,18.1,20.6
1975,21.3,22.2,20.4,17.5,14.9,13.9,10.9,13.6,17.1,17.7,18.7,20.6
1976,21.8,20.8,18.7,16.9,13.9,11.7,12.4,13.9,13.9,18.1,18.9,20.9
1977,22.4,23,21.6,17.1,15.7,14,16.5,16.6,18.4,19.8,21.2,22.5
1978,22.6,21.7,20.4,16.5,13.6,13.3,17.6,12.6,16.9,19,19.9,21.1
1979,21.8,21.8,20.4,17.8,15.2,12.7,12.7,17.5,14.9,20.3,19.1,21.8
1980,21.1,21.3,21.7,18.9,16.8,12.4,12.1,14.7,13.5,18.8,19.3,21.4
1981,23,22.1,20.5,18.3,17.8,11,10.5,15.1,15.5,17.7,20.3,20.4
1982,21.8,21.4,19.2,17.4,14.6,13.7,15.1,15.9,17,18.7,20.6,20.4
1983,22.8,21.8,19.7,18.6,17.5,10.6,13.7,13.9,13.4,17.9,19,21
1984,22.8,22.5,20.9,16.8,17,13.9,14.8,12,16,21.2,20.9,20.1
1985,22.4,22.5,20.8,18.4,16.3,13,12.5,14.3,17.1,19.6,21.5,22.7
1986,22.4,21.4,20.2,19.8,16,15.1,13.3,15,16.2,18.3,22.5,21.4
1987,22.9,19.9,19.2,19.1,12.6,11.6,15.6,12.8,14.5,18.2,21,20.2
1988,22.3,20.2,21.2,17.9,13.6,12,10.2,16.2,16.8,18,19.8,21.5
1989,20.7,20.8,19.3,18.1,14.5,13.3,11.8,13.9,14.4,17.8,19.3,21.4
1990,22.1,21.1,20.9,20.1,13.9,12.2,10.1,14.3,14.4,20.5,21.6,21.8
1991,22.4,20.7,20.8,18.1,15.9,13.8,13,14.5,17.6,18.1,19.5,21.8
1992,22,21.9,19.7,17,16,16.1,10.2,12.7,14.7,18.5,19,21.6
1993,22.5,21.6,21.2,18.7,14.7,13,11.8,12.6,15.3,19.4,20.2,21.5
1994,21.4,21.9,19.5,18.2,18.6,16.8,13.8,17.3,17.6,20.6,20.1,22.2
1995,22.5,21.4,20.6,15.5,14.9,14.7,15.8,15.9,17.4,17.4,19.5,20.3
1996,22.1,21.6,20.1,18.2,15.7,10.8,11.2,15.2,14.9,18.6,20.2,21.7
1997,22.2,22,19.5,15.9,15.1,13,15.7,14.9,18.6,20.3,21.4,22.3
1998,24.3,22.4,20.8,18.3,13.9,13,16.1,15.3,15.2,18.9,20.1,20.8
1999,22.5,22.7,22,18.2,14.4,13.4,13.6,14.9,18.8,19.7,19.4,22
2000,23.6,22.6,21.1,19.1,14.8,15.4,9.5,15.4,15.7,21.1,19.7,21.5
2001,23.2,22.4,21.7,19.7,14.2,12.9,15.1,17.6,18.8,20.1,20.9,20.5
2002,22.6,21.1,23.5,21.2,18,14.9,13,16.8,17.2,22.2,21,23
2003,22.6,21.9,21.6,17.2,15.2,16.4,14.3,12.5,16.6,19.9,20.5,22
2004,22.5,21.5,20.7,19.9,12.4,14,13,14.8,18.4,19.1,20.1,21.7
2005,22.1,22.2,21,19,17.4,15.6,12.4,16,12.8,18.7,20,21
2006,23.7,21.6,21.5,18.2,12.5,14.7,16.2,14.8,16.1,21,20.6,22.3
2007,23.4,22.3,21.6,19.5,13.7,14.6,11.7,13.3,20.3,17.7,20.1,21.7
2008,22.8,21.8,20.4,17.2,14,12.1,16.9,15.5,14.5,20.2,20.7,21.8
2009,21.4,22.3,21.4,19,16.6,11.6,12.1,14.8,15.9,19.3,23.6,22.2
