1901,20.8,18.9,17,13.4,8.9,6.6,4.5,6.8,9.8,12.8,15.5,18.4
1902,19.3,18.4,16.8,14.1,8.6,4.9,2.8,5.6,7.9,11.9,14.5,18
1903,19.5,17.9,16,12.8,9.5,5.5,4.8,6.2,8.8,12.4,15.3,17.6
1904,20.4,18.6,17,13.6,8.6,5.8,5.3,6.5,8.5,11.8,15.3,17.5
1905,20.4,18.7,18.4,13,6.3,5.7,3.7,5.5,9,11.8,15.5,17.5
1906,20.1,19.4,17.8,13.3,9.3,3.5,3.2,6.3,8.9,13.2,15.8,17.5
1907,18.8,18.9,16.2,12.2,8,3.6,4.5,5.9,8,11.8,14.8,15.7
1908,18.8,18.5,16.8,11.2,8.2,5.8,4.3,5.6,8,12.7,14.4,16.5
1909,18.8,17.8,16.3,12.4,7.4,4,3.7,5.6,8.4,12.1,13.9,16.7
1910,18.1,18.2,16.3,11.5,7.9,3.7,4.6,6.3,9.5,13.4,15.6,18.7
1911,18.3,17.4,16.2,11.1,7.9,5.7,5.1,5.6,8.4,12.6,15.3,17.9
1912,20.3,17.9,16.6,13,6.7,5.1,5.4,5.9,9.3,12.6,14.3,17.3
1913,20,18.3,16.7,12,7,4.6,3.8,5.6,10.4,12.3,15,17.9
1914,18.8,19.5,17.1,12.3,8.7,4.1,4.8,5.8,8.2,12.4,13.3,17.9
1915,18.7,18.8,17.7,11.8,7,4.6,5.6,6.6,9.8,13.1,15.5,17.7
1916,19.4,19.4,16.3,13,9.3,4.8,4.3,6.8,9.2,13,15.4,17.5
1917,18.7,19.8,16.5,13.4,8.9,6.1,5.6,6.3,9.5,13.5,16.5,17.7
1918,18.7,20.1,16.6,12.8,7.1,5.4,3.5,5.9,8.3,13.1,14.3,18.7
1919,19.1,19.4,18.2,12,8.9,5.5,5,7.4,8.5,12.2,13.8,18.2
1920,19.3,19.5,16.2,13.9,8.3,5.5,4,7.7,9.4,11.3,15.3,17.7
1921,19.1,18.4,16.9,13.5,7.7,4.9,5.2,5.9,8.8,12.6,15.9,17.8
1922,18.4,18.7,16.1,12.8,9.3,4.5,5.6,6.8,9.7,12.3,15.5,18.5
1923,19.2,19.3,16.3,11.6,9,4.8,2.8,4.9,8.6,11.2,14.7,16.6
1924,19.1,18.3,16.6,13.2,8.6,6.2,4.7,7,9.2,13.6,15,17.9
1925,18.5,18.3,16.6,12.3,8.3,4.9,4.7,6.6,9.8,12.2,15.1,18.1
1926,18.9,19.5,15.7,11.8,8.8,5.5,3.4,6.9,8.7,11.3,14.9,18.1
1927,18.8,19.3,17.4,13.6,8.5,5.4,4.7,6.7,8.2,12.7,15.1,17.5
1928,18.3,18,15.9,12.4,8.6,4.1,4.3,7.6,10.5,13.6,15.3,16.8
1929,19.5,19.6,16.7,13.8,8.9,6.2,5.5,6.6,8.9,12.5,14.6,16.5
1930,18.9,19.4,15.9,13.5,8.5,6.4,3.3,5.6,10.3,11.8,16.3,17.3
1931,20.3,20.8,17.4,13.5,8.7,7.4,4.6,7.5,9.7,13,15.6,18.8
1932,19.6,20.1,16.8,13.3,9.4,6.6,6.4,6.7,9.6,13.6,15.5,17.6
1933,19.4,17.7,15.2,13.5,10,6.5,4.6,8.4,10.5,12.5,14.7,16.7
1934,19,17.9,16.5,14.1,9.3,5.5,6.3,8.7,11.5,13.4,16.3,18.5
1935,19.8,18.5,17.6,14.2,11.6,7.8,6.6,9,9.6,12.4,15.2,15.9
1936,18.8,21.3,17.5,13.9,9.2,6.1,7.6,7.8,10,13.3,17.6,15.9
1937,21.5,18,16.2,14.2,9.1,7.4,6,6.1,10.5,14.8,14.5,19.8
1938,17.7,20.1,16.2,13.7,9.9,6.5,5.5,7.4,9.7,12.8,15,18
1939,17.7,18.5,16.8,12.9,9,7.7,6.9,8.5,10.3,12.6,15,20.6
1940,18.8,20.1,16.1,12.5,9.7,8,7.6,8,10.8,13.5,15.8,17.2
1941,20.9,20.2,18.2,11.6,7.8,7.2,6.8,9,9.8,14.2,13.6,17.1
1942,19.2,18.3,15.9,14,8.9,6.1,5.4,6.9,10.4,13.3,16.8,19.6
1943,20.8,20,16.3,16,11,5.9,6.3,7.1,10.1,13.5,16.4,21.7
1944,20.9,20.8,19.7,15.6,10.2,6.9,6,6.2,9.9,11.7,16.5,19.7
1945,22.2,21.3,18.4,14,10.1,7.2,5,7.1,11.2,13.5,15.3,17.6
1946,18.2,17,17.2,14.9,9.6,7.8,7.2,8.6,10,13,14.4,17.8
1947,17.3,18.9,17,14,10.3,8.4,6.2,7.6,9.8,14.7,18.7,17.3
1948,19.2,19.7,16.3,13.6,11.1,7.4,5.3,5.9,10.5,13.9,17,17
1949,21.2,18.9,15.3,14.3,8.8,6.3,6.3,7.4,10.3,15.3,16.9,17.5
1950,20.2,19.7,17.1,12.8,7.9,6.8,6.4,6.4,8.5,12.2,14.9,16.9
1951,19.4,17.9,16.6,14.5,10.4,7.2,5.6,8.1,7.8,12.4,13.8,19.4
1952,20.2,21.2,15.9,15.2,9.6,4.6,6.8,6.8,11.5,14.2,17.2,20.8
1953,20.3,22.2,17,14.7,11.1,7.2,5.5,7.4,9,12.5,16.1,20.3
1954,18.8,19.2,19.3,13.9,9.7,7,5.6,7.6,9.3,12.7,16.5,18.4
1955,21.6,18.3,17.6,13.4,8.8,5.3,4.3,6.5,9.5,14.1,18.5,16.6
1956,17,19.7,16,12.1,7.7,6.1,6.9,7.8,9.3,14.4,18.8,20.7
1957,19.8,21.3,18,13.6,9.9,6.3,5,7,10.2,12.5,17.6,17.3
1958,19.8,18.9,19.7,12.7,8.6,6.3,8.3,6.2,9.4,16.2,15.1,18.6
1959,19.9,20.5,16.8,10.9,9.7,7.2,5.4,6.8,9.3,12.5,16.5,20.3
1960,22.2,21.3,19.1,13.6,10.4,5.5,4.1,7.9,10.2,12.3,15.9,18.4
1961,17.3,18.1,16.2,12.3,9.6,4.5,5.3,7.9,7.8,12.9,15,18.7
1962,19.9,22.2,18.7,12.8,9.4,7.3,5.7,7.8,10.1,16,17,19.4
1963,19.2,22.6,15.4,12.6,9.3,5.8,6.1,7.1,7.3,13.5,12.3,18.3
1964,20.5,16.4,15.9,12.9,9.3,4.1,5.7,6.6,8.7,15.3,16.5,16.7
1965,19,15.9,18.9,12.5,7.2,8.9,3.5,6.6,8.4,11.8,15.4,15.7
1966,19.5,17.4,16.4,13.2,11.3,5.9,4.2,7.4,9.4,11.3,16.8,16
1967,18,18.6,17.4,14.8,9.2,4.5,5.5,5.2,9.4,11.4,15.8,18.9
1968,20.2,16.4,16.1,14.7,11.9,6.3,7.4,8.6,9.9,10.9,15.9,15.4
1969,20.4,17.5,17.6,14.1,9.5,6.6,5.9,6.3,8.3,10.9,15.5,20.4
1970,18,19.9,17.5,13.6,9,5.4,6.6,6,10.5,13.7,15.7,15
1971,14.8,17.3,16,12.1,9.5,3.9,6.1,6.7,9.8,14.4,14.6,13.9
1972,19.3,19.2,14.2,15.7,6.1,5,4.1,5.8,8.2,10.2,16.8,19.8
1973,17.4,19.5,18,12.6,9.3,6.5,3,6.9,9.7,12.3,16.4,17.7
1974,16.2,18.5,15.5,14.5,7.9,4.8,5.5,7.2,10.2,14.4,15.8,17.7
1975,22.9,17.7,17,12.3,10.2,7.7,4.6,6.1,9.8,12.8,13.2,16
1976,16.9,19.3,15.7,13.4,10.4,3.8,4,6.5,10.1,12.3,15.6,16.4
1977,18.3,19.2,17.5,13.8,9.6,5.9,5,6.9,10.5,13.3,13.9,20.1
1978,18.7,20.7,17.6,16.5,10.1,6,6.2,7.4,9.8,11,16,20.2
1979,23.6,20.8,18.5,15.5,10,8.1,6.6,7.4,8.3,11.8,15,19.1
1980,21.2,18.3,17.5,9.5,8.5,6.2,5,7.4,11.3,14.6,15.3,17.9
1981,19,19.8,17.7,13.4,8.2,7.2,6.1,7.7,8.8,14.1,16,19.3
1982,22,18.3,17.5,15.7,10.1,2.9,3.5,7.3,9.9,10.5,15.2,20.4
1983,21.9,19.1,17.3,12.7,8.9,4.6,4.7,8,8.5,14.6,17.7,22.4
1984,20,17.4,17.2,12.6,6.4,2.3,2.4,6.4,11,10.6,16.2,18.1
1985,20.8,19.4,14.6,11.2,9,7.9,7,8.3,10.9,12.7,19,19.2
1986,18.7,18.2,15.8,11.2,8.4,5.9,6.1,6.6,9.9,14.9,14.2,19.4
1987,21.4,21.2,17.5,13.5,8.1,8.1,6.5,6,9.4,13.5,17.7,17.8
1988,19.2,23.2,17,13.2,9.2,7.2,4.3,5.7,10.5,12,16.3,16.9
1989,20.2,21.5,17.4,12.9,10.2,7.6,6.5,6.4,11.1,15.8,16.8,16.8
1990,19.3,21.9,17.7,11.2,9,7.3,6.8,9.1,9.8,14,16.5,18.4
1991,18.9,20.5,17.2,13.2,9.2,6.4,4.8,6,9.9,12.5,16.2,16.1
1992,20.7,18.1,18.1,12.5,6.9,4.3,3.7,7.8,10,11.5,17.1,17.4
1993,20.6,20.6,17.8,13.4,8.1,6.2,4.4,8.4,10.4,13.4,15,17.9
1994,20.4,18.9,18,12.7,10.5,7.6,5.9,7.1,9.6,12.9,15.5,18.4
1995,18.1,19.6,16.4,14.1,10.7,5.6,4.3,4,9.9,12.5,16,22
1996,18.8,18.6,17.5,12.5,10.4,7.8,6.8,8.1,11.8,12.4,15.2,17.1
1997,18.8,17.3,17.8,14.3,9.9,7.9,6.6,6.6,9,11.6,14.5,17.3
1998,17.5,21.3,16.4,12.6,12,7.1,8,8.3,9.6,12.1,15.8,18.9
1999,22.6,19.3,16.1,13,9.7,4.3,4.3,7.9,10.2,14.5,17,18.4
2000,20.1,17.9,16.1,13.7,8.8,5.3,4.2,6.4,7.5,13.7,14.4,16.4
2001,18.2,19,15.6,13,8,6.3,3.1,8.6,9.6,13.2,15.2,21.6
2002,21.3,20.6,13.9,11.7,8.5,4.2,7.4,7.5,8.9,11.1,14.4,18.5
2003,18.6,18.7,19.1,12.7,10.4,7.1,6.4,8.2,9.6,12.8,14.6,15
2004,19,22.6,18.2,11,9.1,7.6,5.1,8,10,11.9,16.6,17.8
2005,18.9,23.9,15.2,12.4,6.7,4.4,6.3,5.3,10.3,12.2,15,19.3
2006,19.4,20.9,15.7,13.8,9.6,7.3,5.2,7.6,10.3,11.8,15.5,15.9
2007,20.5,18.1,16.7,13.4,8.3,5.2,4.1,5.5,10,11.9,14.7,19.7
2008,22.9,23,19.4,13.2,8.3,6.4,6.1,5.4,10.1,13.7,17.4,21.8
2009,22.5,19.4,17.5,15,8.4,7.1,6.3,7.7,10.7,11.7,11.5,17.1
