1901,20.5,20.6,19.5,13.9,14.4,12.7,13.2,12.6,16,17.9,18.5,20.7
1902,20.3,22.8,20,17,15.4,14.7,13,9.7,15.8,15.8,19.2,20.1
1903,20.6,21,19.9,15.5,12.7,12.6,11.6,12,16.2,15.2,18.3,18.8
1904,19.7,19.6,20.1,17,11.9,11.6,13.4,12.2,14.9,15.2,18.5,18.7
1905,19.4,19.2,19.9,15.1,13.3,13.3,10.8,12.4,14.5,17.7,17.2,19.2
1906,22.6,22.5,21.4,17,16.2,12.1,13.1,12.4,13.6,17,19.3,18.9
1907,21.3,21.7,21.6,17.1,12.5,12.1,12.2,11.4,15.2,16.7,19,21.3
1908,21.6,20.6,19.8,16.6,14,13.7,13.6,11.4,14.8,16.6,18.9,20.3
1909,21.6,20,19.7,17.4,11.3,11.2,12.3,15.5,15.3,16.1,17.4,18.6
1910,21.6,19.7,19.2,17.9,13.9,13.5,11.6,13.8,14.5,16.2,19.1,19.7
1911,22.2,21.5,18.9,16.6,14.8,10.8,11.9,11.9,13.9,16,19.5,20.8
1912,22,22.6,20.8,17.3,15,13.8,11.2,12.7,13.9,17.3,19.5,21.3
1913,18.6,19.4,17.8,16.7,13.5,10.4,15,12.2,13.7,16,18.3,18.7
1914,20.3,19.6,19.8,17,13.3,14.5,15.6,11.6,13.2,15.7,16.8,18.2
1915,20.6,22.1,17.1,17.6,15.4,7.9,11,13.1,12.3,15.4,16.4,18.7
1916,19.6,18.2,16.6,16.5,13.3,10.7,8.4,11.1,15.6,15.5,18.4,18.6
1917,22.5,20,18.4,14.2,11.9,11.1,9.8,11,14.8,14.2,16.9,20.6
1918,21.3,18.5,18.1,15.7,11.9,10.5,10.5,12.3,14.5,16.2,19,19.2
1919,22,19.3,20,17.4,15.5,12.2,13.8,10.7,11.1,16.2,17.5,20.3
1920,21.1,20.7,20.8,18,14.2,11.4,8.7,11,13.8,16.4,19.5,19.6
1921,21,20.6,18.7,16,16.7,9.6,10.8,12.7,13.8,16.6,18.5,22.8
1922,21.2,20.5,19,16.8,13.5,10,13.7,12.6,14.2,13.6,19.4,19.8
1923,21.9,21.3,21.2,18.1,11.3,12.1,10,13.3,14.9,16.2,18.4,20.8
1924,20.7,21.1,20.1,14.6,11.4,12.3,10.7,10.7,12.6,15.3,16.7,21.5
1925,20.5,22.1,20.4,17.3,13.3,9.7,10.4,15.6,14.5,15.7,19,21.2
1926,22.5,22.3,22.9,17,13.1,14.3,11.5,14.1,16.6,17.8,20,20.3
1927,21.9,22.2,20.6,16.7,14,10.9,12.2,13,15.4,17.2,19,19.3
1928,22.9,21.3,20.2,18.1,13.8,10.5,10.8,12,13.1,16.8,20,20.5
1929,23.1,21.5,20.2,17.9,13.8,10.6,10.8,12,13.2,16.7,19.8,20.5
1930,21.1,20.6,20.5,18.3,14.9,17.4,11.9,11.9,13.7,16,18.8,20.6
1931,22.1,23.3,21,16.8,11.8,10.2,12.9,13.9,13.3,17.8,18.3,21.7
1932,23.3,21.2,21.1,18.1,13.1,12,15.8,11.8,15.2,17.8,20.4,21
1933,23.4,22.4,21.8,19.4,16.4,12.7,10,14.7,15.9,19.5,19.8,22
1934,23,20.4,21.8,14.8,15.5,15.6,12.7,13.3,15.7,16.4,20.1,21
1935,23.3,22.4,22.9,16.8,14.5,15.3,12,13.2,13.3,15.7,18.8,20.9
1936,23,21.2,21.8,16.6,17.4,14,12,10.6,15.6,17.9,19.5,21.7
1937,22.9,21.7,19.7,15.6,13.4,14.6,12.7,15.3,14.6,16.2,19.4,21.4
1938,22,20.9,20.9,15.6,14.9,14,13.3,12.6,15.7,17,19.8,21.8
1939,23.3,21.6,20.2,15.6,16.1,15.5,11.5,15,15.7,19.3,18.2,19.7
1940,20.7,20.2,18.8,17.7,17.6,15.1,15.9,12,15.4,15.9,18.6,22.5
1941,21.9,22.1,19.5,18.3,14.3,10.2,13,14.3,10.6,17.5,18.7,20.3
1942,22.7,22.2,20.5,17.4,12.4,9.5,9.1,13.9,14.2,16.7,19.9,21
1943,23.6,21.7,20.6,16.2,15.9,13.3,14.6,8.7,14.7,18.9,18.9,20.6
1944,23.1,22.5,19.9,15.8,15.6,14.1,13.7,15.5,17.3,19.9,18.7,22.9
1945,23.3,22.3,20.7,17.9,13.4,11.8,12.9,16.8,16.5,20.1,19.4,21.2
1946,21,22.8,19.8,16.9,14.5,11.3,10.7,15.5,17.1,17.3,20.7,20
1947,22.6,22.8,20.5,17.5,15.5,15.4,11,12.3,15.2,16.2,20,21.3
1948,24.6,21.6,20.3,17.3,14.5,15.1,13.5,12.2,16.8,17.3,18.8,22.6
1949,23.2,22.2,22.1,16.9,15.5,14.1,13.3,13.8,15.1,15.6,21.3,21.6
1950,21.3,21.2,19.1,18.5,17.6,14.1,13.3,16,14.9,17,19.2,21.5
1951,22,20.2,19,14.8,16.7,14,15,13.8,16.1,18.3,20.1,20.8
1952,23.8,22.1,22,15.2,17,9.1,14.6,15.2,14.2,17,19.1,21.6
1953,22.9,22.7,22.8,16.7,15.5,13.4,9.4,17.4,18,16.6,20.1,22.1
1954,22.2,23.1,20.9,18.5,13.1,13.2,12.4,14.1,14.7,16.6,21.5,20.9
1955,23.7,23.9,19.2,17.3,13.9,13.5,8.9,13.2,15.3,15.3,20.5,21.3
1956,21.3,21.4,20.6,15.8,11.4,11,11.9,12.4,15.7,17.9,19.9,21.7
1957,22.4,20.6,21.9,16.5,17.4,12.8,10.5,13.9,13,19.3,20,22.2
1958,23.8,23.6,20.2,17.2,14.1,15.3,15.4,10.9,15.3,16.9,19.4,20.7
1959,22.4,22.7,21.5,18.3,15.2,12.9,15.7,11.7,15.8,18,19.3,18.9
1960,23.8,21.7,20.6,17.1,12.7,14,13.6,13.6,15.5,18.6,19.8,21.9
1961,23.6,22.6,20.2,18.2,16.5,13.7,13.1,16.2,15.9,19.3,20.8,20.8
1962,21.2,20,20.5,17.1,13.2,11.9,8.8,11.1,15.9,15.6,20.7,22.7
1963,24.1,22.5,22.4,17.8,16,13.3,16.1,14.8,17.3,19.5,20.3,22.2
1964,22.3,22.1,21.2,18.8,16.5,10.4,10.2,13.1,15.4,16.5,18.3,20.2
1965,22,22.3,18.7,17.9,15.2,16.6,12.3,14.3,14.2,18.3,20.1,21.2
1966,22.1,21.9,20.4,18.7,15.2,14.8,13.7,11.2,14.3,18.3,19.5,22.5
1967,21.3,19.8,19.8,16.3,15.4,10.6,13.9,14.9,16.7,19.3,18.4,21.6
1968,20.8,21.4,20.3,13.3,11.3,13.6,14.2,13.8,13,18.7,21.2,21.4
1969,21.5,22.8,20.3,17.3,16.3,12.5,13.6,11,15.9,16.4,20.6,20.5
1970,22.9,20.7,22,18.7,15.2,12.3,12,11.2,14.4,16.8,16.8,19.4
1971,21.5,20.8,19.7,15,12.2,9.1,13.5,12.3,15.6,15.5,18.1,19.9
1972,20.5,20.8,19.4,15.1,16.8,17.1,12.3,11.6,15,14.8,18.3,19.4
1973,22.7,22.3,19.9,18.7,14.5,12.8,12.1,10,14,16.5,16.4,19.8
1974,22.4,21.2,19.5,15.8,13.8,10.8,13.6,11.1,13.3,14.8,16.4,19.5
1975,20.8,21.2,20,16.9,14.2,13.8,10,12,14.9,16.2,17.8,20.3
1976,22.6,20.1,18.1,15.3,12.3,10.8,11.6,11,11.2,16,18.4,19.5
1977,21.3,21.8,21.3,15.8,14.1,13.5,15.3,12.5,15.4,18,19.3,21.3
1978,21.9,20.6,21.2,13.6,11.6,11.6,14.5,11,14.4,17.8,19.1,20.1
1979,21.8,21.5,18.8,15.6,12.8,10.5,12,15.6,13.2,18.7,18.4,20.8
1980,20.5,20.4,21.5,18.7,16.4,11.3,10.1,13.2,12.1,17,18.2,20.6
1981,22.4,22.2,20.7,17.3,17.4,10.9,10.9,14.1,13.5,16.1,19.2,20
1982,21,20.5,19.5,17.2,14.2,12.9,14.5,15.4,16.1,17,18.8,20.2
1983,22.4,21.5,19.2,17.7,16.2,10.3,12.2,12.4,12.3,17,18.1,20.9
1984,22.5,22.7,20,15.7,16.2,12.2,12.7,9.9,14.3,19.6,20.2,18.6
1985,21.4,22.1,20.4,18,15.7,12.7,12.4,13.1,15.2,17.8,20.6,21.7
1986,22.4,21.3,19.8,19.5,15.5,15.4,12.9,14.2,14.7,16.6,20,20.4
1987,22.2,19.1,19,18.4,11.3,10.5,16,11.5,12.2,16.6,19.8,18.5
1988,21.5,19.1,21.5,16.2,11.1,10.2,9.6,13.7,14.4,15.1,18.2,20.5
1989,20.7,20.2,18.7,17.1,13.9,12.7,10.4,12.9,12.7,16.3,18.2,20.7
1990,21.4,20.2,20,18.4,13.4,10.4,9.5,13.5,13.3,19.2,20.9,20.3
1991,20.1,19.4,20.7,16.8,15.6,13,11.3,12.8,16.5,16.6,17.7,20.7
1992,20.4,21.1,19.2,16.5,15.3,15.5,9.4,11.3,13.8,16.8,17.7,20.6
1993,22.2,20.8,20.6,17.8,13.6,12.1,10.7,10.9,13,18.2,18.5,21.4
1994,20.7,20.5,18,17.5,18.1,16.6,12.7,12.8,12.7,19.3,19,21.8
1995,22.1,20.3,20.1,14.9,12.8,13.5,14.6,13.5,15.1,15.7,19,19.8
1996,21.8,21.2,19.6,18.1,15,9.5,8.8,13.9,13.3,16.8,19.7,20.9
1997,22.6,21.7,19.1,15.3,15,12.9,15.3,14,16.2,18.3,20.8,21.4
1998,22.9,21.3,19.9,17.4,13.8,12.1,14.5,13.2,13.2,17.5,18.5,19
1999,21.4,21.6,21.5,17.3,13.2,12.2,11.8,11.9,16,16.9,17.9,20.1
2000,21.5,20.8,19.7,17.7,13.8,14.5,7.5,12.9,14.5,18.2,17.6,19.5
2001,22.1,22.2,21,18.7,12.3,13,13.6,15.4,16.7,18.6,20.2,19.8
2002,21.7,20.8,23.7,19.3,17.4,12.4,11.9,14.6,14.3,20.1,19.7,21.8
2003,21.8,21.8,20.6,15.8,14.6,16.3,12.5,10.8,14.3,17.9,18.6,20.1
2004,21.1,20,19.3,19.5,10.6,13.6,12.5,12.3,15.5,16.5,18.4,20.4
2005,21.5,20.9,19.1,17.8,16,12.9,11.4,13.3,10.7,16.7,18.4,19.3
2006,23.4,19.8,19.7,16.3,10.4,11.9,15.5,12.5,13.5,19.4,18.8,21.4
2007,22.4,20.9,19.9,19.1,11.4,13.2,9.2,11.5,17.1,19.8,17.9,20.5
2008,23.3,20.9,18.9,15.1,12.9,10.8,15.4,12.9,12.1,18.2,19.4,19.4
2009,20.2,20.3,20,17.4,14.9,9.1,9.6,13.1,14.2,17.1,21.9,21
