1901,21.2,21.3,19.4,14.6,14.6,13,10.8,11.7,17.5,18.5,19.2,21.4
1902,21.5,21.8,19.9,18.1,15.3,13.8,9.9,8.2,15.9,17.1,18.9,21.7
1903,21.8,22.6,17.8,15.2,12.7,11.7,9.8,11.1,17.2,16,18.4,19.8
1904,21,20.8,18.9,17,12.8,10.9,11.3,11.6,16.3,16.6,18.9,19.8
1905,20.7,20.1,19.6,15,13.2,12.6,9,11.7,15.6,18.9,18.5,20.7
1906,21.8,22.9,21.1,18,15.6,9.6,10.1,11.5,15,18.1,19.3,20.8
1907,21.6,22.1,21.2,16.2,11.8,10.4,9.6,9.6,15.6,17.2,19.8,22
1908,22.2,20.9,19.6,15.6,13.1,12.5,10.6,10.2,15,16.9,19.7,21
1909,22.5,20.4,18.7,16.9,10.8,9.9,9,13.3,16,16.9,19.1,20.2
1910,21.6,20.3,18.1,16.5,13.2,12.3,9.4,12.6,14.9,16.7,19.8,20.1
1911,22.1,21.9,18.6,15.9,14.1,9.6,9.3,10.6,14.2,16.2,19.6,21.4
1912,21.9,23,20.5,16.6,13.5,12.2,8.2,11,14.9,18.1,19.6,22.4
1913,20,20.8,18,17.2,13.9,10.6,12.4,11.9,14.7,17.6,19.3,20.1
1914,21.8,21,18.4,15.9,11.6,11.9,12.8,8.4,13.4,16.3,18.1,20
1915,21.7,22.3,17.3,18,15,7.1,9.2,12.5,13.2,17.1,18.5,21.3
1916,21.3,19.6,18,17.1,13.3,7.5,6.5,10.9,16.1,17.1,20.5,20.4
1917,22.9,20.6,17.8,15.3,11.1,10.2,7.8,10.4,15.8,15.8,18.2,22.1
1918,21.5,19.8,18.5,16.5,11.8,10,9.1,11.6,14.4,16.7,19.6,21
1919,22.2,21.1,19.8,17.6,15.9,11.1,10.4,9.7,10.6,17.4,19.4,21.9
1920,22.3,21.4,20.5,17.7,14.5,9.9,6.6,10.6,14.6,16.5,19.9,20.7
1921,21.4,21.3,18.1,16.3,15.7,7.7,7.2,11.2,13.5,17,18.3,22.7
1922,21.2,21.3,18.3,15.9,13,7.9,11.2,10.7,14.9,15.1,19.5,20.8
1923,21.4,21.8,18.6,17.6,10.7,11.6,7,11,15.4,16,19.5,21
1924,21,21.9,19.7,15.2,12.2,11,8.5,8.9,12.9,16,18.4,22.5
1925,21.8,22.5,20.3,17.2,12.8,9.3,8.1,14.2,15.8,16.3,19.9,22
1926,22.9,21.7,20.8,16.7,12.4,13.1,9.2,11.7,14.7,17.9,19.6,20.1
1927,21.6,22.5,19.6,16.2,12.9,8,8.7,10.7,13.7,16.8,19.3,19.9
1928,20.7,18.8,18.7,17.7,12.5,8.3,7.7,9.9,12.8,16.3,19.1,19.7
1929,21.5,21.9,18.4,16.9,11.6,8.6,8.4,9.8,14.6,15.6,19.5,21.4
1930,21.2,20.3,19.3,17.3,12.9,14.8,8.4,9.2,13.5,15.9,17.8,21.3
1931,21.3,22.1,20.3,15.8,9.2,7.8,9.1,10.1,12.1,17.8,16.6,21.7
1932,22.5,21.6,18.9,15.8,10.5,11.4,12.6,10,14.4,17.6,19.9,21.1
1933,22.5,20.4,18.9,16.3,12.8,10,6.1,12.3,13.6,17.2,18.7,20.3
1934,22.5,18.6,20.7,13.7,13.1,13.2,9.8,11,13.9,15.6,18.2,20.8
1935,21.8,22.6,21.5,16,16.3,11.6,8.9,11.8,13.2,15.6,19,21.7
1936,22.9,20.8,19,17.3,14.4,11.1,9.6,9.2,14.8,18,19.9,20.5
1937,21.9,22.6,19.7,15.1,12.4,13.4,9.2,12.7,13.1,16,20.9,21.8
1938,21.1,20.1,18.5,13.7,13,10.3,10.4,8.4,14.6,16.6,19.8,21.4
1939,23.1,19.7,16.3,12.3,13.3,12.7,8.4,12.7,12.8,17.6,17.6,19.5
1940,21.1,19.6,17.1,16.3,14.8,11.8,10.8,10.6,13.5,15.8,16.8,21.4
1941,20.2,17.9,15.7,14.4,11.6,9.8,9.8,11.4,9.9,16.7,17.7,21.6
1942,22,20.5,16.4,15,11,5.9,5.6,10.8,14,15.6,19,19.9
1943,20.2,19.6,17.1,14.6,13.9,11.3,11.5,6.8,12.7,17.1,17.5,19.6
1944,20.1,20.2,17.5,14.9,13.1,12,11.8,12.9,16.2,18.4,16.4,20.6
1945,20.3,20.2,17.7,16.1,11.4,10.4,9,15.8,15.2,18.7,17.9,20.2
1946,20.4,22.5,17.7,17,13.7,8.1,7.9,12.6,16.6,17,20.9,20.9
1947,23.5,21.2,19,15.6,13,13.2,7.2,9.8,12.9,16.6,19.7,23.3
1948,24,21.2,18.7,15.5,13.9,12.7,10.5,11.1,16.7,17.7,19.2,23.1
1949,21.4,22.2,20.2,16.9,15,11.6,7.9,11.4,14.4,14.8,20,21.2
1950,19.8,20.8,18.6,17,14.2,11.4,9.9,13.3,13.6,16.7,19.4,22.4
1951,22.2,19.3,19.2,13.3,14.6,12.9,12.4,12.3,15.5,18.5,18.5,19.5
1952,23.1,20.5,21,13.6,14.8,6.2,10.7,10.9,13.3,17.6,16.5,20
1953,22.4,22.4,20.7,14.2,12.6,10,5.7,14.2,16.4,15.3,19.9,20.7
1954,21.2,20.3,18.5,15.5,10.2,9.8,7.8,11.2,13.5,15.8,21.4,22.1
1955,24.6,21.6,16.5,15.5,11.5,11,5.8,10.5,14.4,15.1,19.1,19.9
1956,19.3,18.7,17.9,14,8.6,8.2,8.9,9.2,13.9,15.6,16.3,19.7
1957,20.9,18.9,19.6,14,14.4,9.2,5.6,10.9,11.3,16.6,17.3,20.1
1958,20.7,21.3,18.2,15.1,11.1,12.2,12.7,7.6,14.3,17,19.3,18.4
1959,19.4,19.8,18.3,14,11.5,9.8,10.1,9.2,13.1,16.2,16.4,18.9
1960,21.4,20.8,18,15,10.7,10.4,7.8,10.3,14,16.3,18.1,21.3
1961,21.8,20.6,18.3,17.4,15.2,10.7,9.7,14.4,15.1,18.4,19.5,21.6
1962,20.2,19.8,18.5,15.7,11.4,6.2,4.1,9.1,14.1,14.7,19.6,21.8
1963,22.1,22,19.3,17.2,14.2,11.3,11.4,12,15.3,17.7,18.6,21.2
1964,21.5,21.6,18.6,17.1,15.6,7.9,5.7,9.5,14.1,15.2,18.2,19.2
1965,20.4,21.1,16.3,14.8,13.4,15.2,8.7,12.4,12.5,17.6,18.9,19.7
1966,21.6,19,17.4,16.4,12.2,11.5,8.4,6.3,12.3,17.1,19.7,20.1
1967,20.5,21.4,17.2,16.5,17.4,6.5,9.9,11.1,13.8,18.6,17.7,21.4
1968,20.3,20.7,17.5,11.8,8.9,11.6,11.8,13,13.8,17.8,20.7,21.8
1969,21.3,20.7,19.2,16.4,15.2,9.7,10.2,8.4,15.2,16.6,20.4,19.6
1970,21.5,20.5,19.2,18.7,13.2,10,8.2,10.5,15.1,16.9,17.3,22.2
1971,21.5,20.5,18.2,14.3,11.1,6.1,9.7,10.2,16.1,15.9,18.3,21.2
1972,21.5,20.1,17.8,13.5,14.8,12,7.8,10.5,14.5,15.9,18.7,20.9
1973,22.3,22,19.9,16.7,12.4,10.7,7.8,8.5,12.8,17.1,18.1,20
1974,22.4,20.2,17.9,14.7,12.7,10.4,11,9.9,12,15.4,18.5,19.8
1975,21.1,21.8,19.8,16.5,13.5,12.8,6.3,9.7,14.1,16.3,18.3,20.6
1976,21.5,20.3,17.3,13.2,11.4,9,7.9,9,13.6,16.8,19,21.7
1977,21.4,21.7,20.1,15.6,11.9,11.7,10.1,9.8,15.3,17.4,18.6,21.6
1978,21.5,20.3,20.1,14.7,11.5,9.8,11.6,8.8,14.3,17.8,19.5,20.7
1979,22.2,20.2,18.3,13.7,12.8,9.7,10.1,14.8,12.3,18.4,18.3,20.4
1980,20.1,21,21.1,17.8,14.5,10.5,7.3,11.3,11.8,16.7,17.3,21.4
1981,21.2,21.2,18.8,17.5,15.8,8.7,8.1,12.1,11.9,16.8,18.5,21.4
1982,20.1,20.6,17.9,17.1,13.2,11.8,9.8,12.7,16.4,16.8,19.4,21
1983,22.3,20.4,18.8,16.5,13.5,7,7.5,9.5,11.9,17.1,17.5,21.4
1984,21.4,22,18.9,14,13.5,8.8,9.2,8,14.3,19.1,17.8,19.2
1985,20.4,20.9,19.7,16,14.2,10.5,8.2,10.2,13.3,18.2,19.6,21.4
1986,21.9,20.5,17.5,17.2,13.5,11.2,9.6,13,14.1,16.3,19.3,21.4
1987,21.7,20.5,18.2,16,8.7,7.8,10.4,9.6,12,17.5,19.7,20.4
1988,21.7,19.4,20.2,15.8,10.1,8.2,6,11.3,13.8,16.1,19.2,21.9
1989,22.4,22.5,18.2,15.7,12,13,8.7,11.9,12.1,16.9,19,20.8
1990,21.8,19.6,19.4,16.8,11.5,8.4,7.3,13.2,12.3,18,19.9,21.2
1991,20.1,20.6,19.9,16.9,15.2,11.8,9.8,11.5,14.7,16.2,18,21.1
1992,20.9,20.9,18.4,16.3,14,13.2,7.1,11.1,14,16.9,17.3,21.4
1993,22.4,19.3,20.4,17.1,13.1,10.9,9,11.4,13.2,17.7,19.4,21.3
1994,20.8,20.5,17.5,16.1,16.4,13.3,9.3,12.3,16.5,18.5,19.2,22.5
1995,22.1,18.9,18.7,14,12.8,10.8,8.8,10.7,14.6,16.7,19.9,21.4
1996,21.4,21.1,18.1,16.3,15.9,9.1,6.6,12.4,13.2,17.4,19.3,21.4
1997,21.9,20.6,18.6,16.7,13.5,10.3,11,12.8,16.2,18,21.6,22.9
1998,21.7,20.8,18.2,16.4,12.7,12.7,11.3,10.4,13.4,17.4,18.9,19.5
1999,19.7,22.8,19.8,14.4,12.9,10.7,7.5,9.9,15.6,16.4,16.6,19.6
2000,22,20.9,19.1,17.6,13,11.3,6,12.5,12.9,18.9,18.2,19.6
2001,21.7,22.7,20.3,16.9,11.5,10.9,9.7,12.9,14.5,18.2,18.6,19.9
2002,21.2,21,21.2,15.9,15.2,9.3,8.4,10.9,13.8,19.3,19.7,20.9
2003,21.9,20.5,19.7,15.5,12.7,13,8.2,8.9,13.6,18.3,19.4,20.4
2004,21.5,20.3,18.8,17.2,8.8,10.1,10.3,10.8,14.7,17.6,18.7,21.9
2005,22.3,21.1,18.4,14.7,12.2,14.3,9.1,12,12,16.5,19.3,21.5
2006,22.7,21.1,19.3,17.3,10.8,13.3,11.8,11.1,13.3,19.2,19.4,21.8
2007,22.6,22.2,19.5,17.4,10.3,10,5.3,8.3,15.4,20.5,18.3,21.1
2008,21.6,20.4,18.9,14.5,11.7,8.1,12.5,10.7,13.2,18.1,19.5,21.4
2009,20,21.1,19.9,17.5,13.8,8.5,6.9,12.2,14,18.3,22.3,22.5
