1901,19.8,21.9,16.8,12.2,9.4,5.2,4.8,5.3,11.1,12.5,18.9,21.1
1902,20.6,19.8,16.5,13.1,10.2,6.3,5.7,5.4,11,13.8,18,18.2
1903,19.6,19.5,17.9,13.5,8,5.6,4.3,5.8,10.2,13.7,16.6,17.3
1904,18.1,18.5,15.7,13.5,9.6,6.2,5.8,5.5,9.6,13,15.7,20.1
1905,21.2,18,17,13.5,10.2,6.7,4.9,4.5,7.9,10,15.4,19.7
1906,23,23.3,16.3,14.5,10.6,8.5,7,6.5,10.3,13.1,14.6,18.9
1907,19.5,20.6,16,11.9,9.2,6.7,5.9,7,10.9,14.3,15.8,19
1908,23.9,20.5,15.5,12.1,8.2,4.1,4.5,5.6,7.8,12.6,17.2,20.9
1909,20.3,19,17.2,11,9.1,6.7,4,6.7,9.5,14.8,15,16.7
1910,21.1,20.4,15.3,12.1,9.7,7.4,5.7,7.3,10.5,10,14.9,16.5
1911,21.1,19.5,16.5,11.8,9.3,5.4,5,7.6,9.9,13,16.4,18.7
1912,19.5,21,18.6,11.4,8.9,5.6,5.4,6.5,10.4,12.8,14.9,18.2
1913,18.8,19.5,17.1,13.6,5.9,2.8,4.6,7.6,8.8,14.1,15.9,20.2
1914,19.5,20.9,19.1,14.5,8.6,5.5,4.4,7.9,8.5,12.9,18.9,20.4
1915,19.6,22.1,17.6,12.9,8.2,8.1,6.2,6.4,11.2,12.3,15.1,18.6
1916,21.1,20.2,16.7,11,10.4,7.8,5.4,6.9,9.8,11.8,13.7,17.7
1917,20.1,17.8,17.6,10.7,7.7,5.2,6.8,4.9,9.5,12.5,14.9,20.2
1918,20.9,19.8,15.6,12.5,10.7,7.7,3.2,6.1,8.7,13.7,15.7,18.8
1919,19.6,20.1,15.5,14.5,8.9,7.6,4.3,6.6,9.6,12.3,17,20
1920,18.7,18.9,15.3,11.8,7.5,6.8,4.7,6.1,9.1,12.2,15.8,17.3
1921,19.7,21,16.3,12.1,10.9,6.9,5.3,5.3,9.5,12.2,17.1,18.5
1922,18.5,21.6,16.5,14.8,8.5,5.1,3.7,6.1,9.4,12.5,16.3,18.4
1923,19.8,21.1,16.8,15.2,10.8,6.6,5,6.1,8.4,10.9,13.6,19.2
1924,17.9,18.4,15.3,9.2,8.1,5.3,4.1,7.3,10.4,12.6,14.8,16
1925,18.9,19.8,16.8,12.8,8.7,5.3,5.5,5.2,7.9,11.4,17.1,19
1926,18.9,21.6,17.7,11.6,5.6,4.3,4.8,6.4,9.1,12.2,14.8,15.9
1927,18.5,18.3,16,12,6.4,5.2,5.6,6.5,8.4,11.4,16.6,17.4
1928,17.6,17.6,16.5,12.8,7.2,5.3,3.4,7.6,10,11.9,16.7,19.2
1929,18.6,20.6,14.4,10.8,8.3,5.4,3.2,6.9,8.7,11.7,15.2,15.8
1930,19.3,22.4,19.7,13,8.8,5,5.6,7,8.5,14.2,16.5,19.2
1931,18.5,17.3,16.7,12.7,9.9,6.3,4.7,5.9,9.5,10.6,14.4,19.2
1932,22.8,17.8,17.3,11.6,9.8,5.3,4.3,7.7,9.3,11,15,16.2
1933,20.1,19.3,16.8,12.6,8.7,6.6,3.6,4.1,8.9,12.5,14.4,16.4
1934,20.2,20.6,19.6,12.5,7.9,6.3,4.6,6,9.7,11.2,15.3,16.7
1935,18.8,18.4,18.1,11.4,6.4,4.5,4.1,7.1,9.9,12.3,15.5,16.9
1936,21.2,19.3,15.8,10.7,7.4,3,4.6,7.5,8.1,11.4,15.7,17.4
1937,18.8,19.2,18.3,11.1,8.4,4.6,4.1,7.4,9.3,13.4,16.8,18.1
1938,19.9,18.9,18.6,13.3,9.6,6.1,6.2,5.7,9.6,13.5,17.6,19.4
1939,25,20.6,17.5,12.8,9.4,7.5,5.1,5.9,7.9,12,15.3,16.3
1940,20.4,18,17.7,11.4,7,4.2,4.4,5.5,8.7,14.6,14,19.1
1941,17.4,18.4,16.1,14.9,7.3,5.9,5.4,5.5,10.1,11.9,17.4,20
1942,20.5,19.6,17.7,13.3,11.6,7.5,5.3,6.6,9,11.6,15.7,20.5
1943,19,20.5,18.7,12.2,6.7,4,3.9,5.3,8.6,12.1,14.8,17.3
1944,18.9,18.5,16.1,10.7,6.8,4.4,3.6,6.1,10.6,11.7,17.1,18
1945,18.8,17.8,14.5,11.3,8.5,6.9,5,8.3,9.8,12.4,14.5,20.2
1946,20.6,18.8,14.7,9.7,9.2,4.2,4.6,5.8,8.3,10.4,15.7,17.5
1947,19.9,22.4,17.8,11.6,8.5,5.8,6,6.1,9.1,12.7,15,17.8
1948,18.4,19.4,14.5,12.2,7.4,4.5,4.4,6.2,9.2,11.7,14.8,16.6
1949,17.7,17.4,17,11.1,8.7,3.8,4.9,6.1,8.5,12.7,14.7,18.3
1950,18.4,18.8,16.2,12.6,11.6,7,5.1,6.5,9.5,12.3,17.3,19.4
1951,21.1,20.3,18.9,12.1,8.4,8,6,5.9,10.3,12.8,15,18.2
1952,20.4,18.1,17,12.1,10,7.2,4.6,6.3,9.6,12.2,14.6,17.6
1953,19.5,18.4,19,15.3,8.2,6.4,3.4,6,9.4,12,14.9,18.8
1954,20,16.8,14.7,14.3,9.5,6.4,5,6.5,8.7,13.7,16,19.4
1955,19.9,21.5,18.7,13.3,8.5,9.1,5.2,8.5,10.8,13,14.2,16.5
1956,18.6,21.1,17.6,13.7,9.5,5.7,6.8,5.2,8.6,11.2,14.8,16.9
1957,20.7,18.6,16,12.5,8.1,9.2,4.3,6.5,8.3,12.6,15.6,20.3
1958,19.4,18.9,16.4,13.6,11.6,5.6,6.4,8.3,8.2,12.2,16.8,16.7
1959,21.2,20.1,17.8,13.2,8.8,6.1,5.2,7.9,10.4,13.1,18.3,16.2
1960,23.1,19.9,17.6,12.6,7.1,5.6,5.8,5,9.2,12.2,14,19.7
1961,21.9,19.2,17.4,15.5,8.3,5.8,4.7,5.6,10.5,13.2,15.5,18.4
1962,20.8,19.2,17.4,12.3,8.1,7.8,6.1,6.6,9.7,12.8,17.2,18.2
1963,20.2,21.1,18.5,12.2,11,8,7.1,6.7,9.8,13.1,17.2,19.4
1964,19.4,17.8,16.1,14,8,6.2,6.3,6.9,11,11.4,16.6,16.3
1965,18.9,20.6,16.9,11,9.3,5.7,4.9,7.7,11.2,14.9,16.9,21.4
1966,21,19.2,17.4,12.1,7.8,8.3,5.1,4.9,7.7,11.2,16.1,17.3
1967,19.6,20.2,15.8,14.2,9.3,6.7,4.4,5,9,14.5,15.5,17.7
1968,21.4,21.9,19.4,14.1,8.9,8.1,4.8,4.7,9,13.6,14.9,16.9
1969,21.1,20.1,16.5,12.1,7.7,5.2,6,5.9,7.9,13.8,15,17.3
1970,18,20.7,15.7,12.6,8.2,6.2,3.2,4.7,7.8,12.2,15.3,17.9
1971,19.2,19.9,19.9,14.7,7.7,5.3,4,6.4,9.4,11.9,14.9,17
1972,18.3,18.3,15.8,12.4,8.6,5,5.5,6.5,9.4,12.9,16.3,20
1973,23.2,20.6,18.2,14.7,10.2,7.3,8.3,8.5,10.5,13.3,15.7,19.2
1974,23.3,19.7,19.3,14.5,9.6,5.6,7.7,7.2,8.5,12.6,14.5,17.4
1975,17.7,21.1,16.3,12.5,9.7,4.9,6.6,6.9,10.8,11.9,17.2,21.2
1976,18.8,20.9,17.5,12.4,6.7,4.9,3.8,5.9,9.2,12.2,15.2,18.4
1977,19.9,22.4,16.4,11.8,9,5.6,3.9,7.9,9.4,15.1,17.2,19.8
1978,19.8,20.9,18.4,11.5,9.5,7.5,6.5,6.2,8.7,12.8,15.9,17.7
1979,24.3,21,18.3,12.9,9.3,7.4,5.5,7.4,10.9,12.2,17.4,19.6
1980,19,19.7,17.2,15.5,10.9,6.9,6.3,6.5,10.5,13.5,17.6,19.4
1981,24,21.9,15.7,15.8,10.4,7.1,5,7.6,11.1,13,16.7,18.9
1982,22.3,21.8,18.6,13.5,9.7,4.2,3.6,7.7,9.8,11.5,17.4,20
1983,19.3,22.9,20.8,12.6,10.1,5.9,4.3,7.2,11.6,14.3,16.7,20.9
1984,20.2,20.5,15.8,13.3,9.9,5.7,5.7,7.2,8.7,13.4,16.9,19
1985,20.5,20.8,19.5,12.6,8.8,5.4,5.9,7.8,8.6,13.1,17.6,17.7
1986,19.4,19.8,19.4,12.7,9.9,6.8,5.9,7.2,10.1,11.8,16.1,18.4
1987,19.6,20.4,15.7,13.6,8.9,7.6,4.7,5.7,10.1,12.6,17.7,20.1
1988,21.7,18.8,18.3,14.8,12.1,7.1,6.8,7.1,10.6,14.6,15.5,20.7
1989,20,20.7,18.6,14.9,11,5.9,4.8,5.2,8.5,12.9,16.6,19.7
1990,21.9,18.8,19,14.1,11.1,7.1,6.2,7,10.2,13.9,17.7,19.6
1991,22.4,21.5,17.4,13.6,8.2,9.7,6.5,7.4,10.4,14.4,17.2,18.2
1992,18.6,21.5,19.2,14.7,10.5,6.4,5,6.8,9.6,13.4,14.5,18.4
1993,21.5,20.7,17.8,14.6,10.5,6.2,6.6,8.1,10.1,12.8,18.3,19.4
1994,20.2,21.1,16.5,12.6,9.1,7.7,4.5,5.5,9,13.5,16.3,20.6
1995,21.6,20.6,16.5,12,9.2,8.2,5.9,8.6,10.1,13.6,17.7,18.4
1996,19.5,19.5,18.5,12.2,8.9,8.3,7.2,7.5,10.2,13.4,15.6,19.7
1997,21.6,24,16.1,13.2,10.9,6.1,3.5,6.8,11.1,14.6,18.6,20.7
1998,21.6,20.6,18.2,13.1,10.4,7.5,5.9,9.1,11.6,14.6,16.9,19.2
1999,23.8,21.3,19.7,12,10.8,6.4,5.7,7.7,12.3,14.7,15.5,19.2
2000,20.2,23.7,20.6,16.2,9.9,6.9,6.7,9,12.2,14.2,20,20.9
2001,24,24.3,17.7,14.3,10.2,8.2,7.1,8.5,12.4,12.3,16.6,18.3
2002,20.2,19.8,18,15.7,10.6,7.3,6.3,7.6,10.2,13.5,18.3,19.6
2003,22.1,22.9,16.3,14.7,10.3,6.8,5.4,7.3,11.1,11.5,18.8,21.1
2004,20.5,23.4,17.7,14.8,8.7,8,5.8,7.6,10.1,14.6,16.6,18.5
2005,20.7,18.1,16.9,16.4,11.2,7.5,6.3,7.6,11.2,14.4,17.1,19.7
2006,25.9,20.8,20.2,12.2,8,3.6,5.5,7.6,10.9,13.8,18.6,19.4
2007,21.6,22.1,18.1,15,11,4.9,5.2,7.5,11.1,14.5,19.1,20
2008,21.9,19.1,19.4,13.4,9.3,7.6,5.5,5.9,10.7,14.4,16.9,19.4
2009,21.7,21.6,17.6,13.8,9.8,6.7,6.5,8.9,11,13.3,20.3,20.3
