1901,18.2,17.3,14.5,11.6,8.3,4.8,2.9,4.9,9,11.3,17,18.7
1902,18.4,17.7,16.3,13.1,8.3,5.3,3.8,5.1,9.2,12.4,14.9,15.7
1903,18.1,17.4,15.1,11,6.7,5.2,2.5,5.1,7.8,11.1,14.1,14.4
1904,16,15.9,14,12.2,7.1,4.9,3.6,5.1,7.5,10.9,14.5,17.7
1905,18.2,16.1,15.2,12,8.8,4.8,3.6,3.7,6.2,9.7,14.6,17.9
1906,20,20.1,15,13.7,8.9,7.1,5.3,5.4,7.2,12,12.7,16
1907,16.3,17.9,14.9,10.8,7.5,5.2,4.5,5.7,8.3,12.6,12.6,15.6
1908,18.7,16.7,13.7,10.5,6.5,2.9,2.4,3.4,5.8,9.6,14.5,17.6
1909,16.1,16.5,15.8,10.5,7.6,5.6,2.3,5.1,7.7,13,13.6,15.5
1910,18.6,18.4,14.2,12.6,9.1,6,3.9,6,8.6,9.2,13.3,15
1911,18.3,16.2,14.3,12.1,7.6,4.8,4.4,5.6,7.5,11.9,16.2,16.2
1912,18.2,19.5,16.9,10.8,8.5,4.3,4.1,6,8.2,12.6,13.1,17.1
1913,16.3,17.2,14.7,12.2,5.6,4,4.5,6,7.7,12.6,14.8,17.2
1914,17.8,18.5,16.8,12.6,7.7,5.4,3.7,7,8.2,12.9,15.4,17.2
1915,16.8,18.4,15.5,12.3,7.8,7.5,5.4,5.5,8.8,11.8,15,16.6
1916,17.5,18.1,15.9,10,9.6,6.2,3,5.9,9.1,10.4,12.6,15.2
1917,17.2,14.5,14.8,10.3,5.5,4.5,5.6,3.7,7.8,10.8,12.8,16.4
1918,17.4,17,14,11.6,8.5,6.5,3.1,5,9,12.5,15.1,17
1919,17.7,16.8,15.2,12.4,7,6,4.6,5.6,7.4,10.9,13.9,17.5
1920,15.8,16.9,14.6,10.5,7.1,5.7,3.2,5.1,8.5,11.2,13.8,15
1921,16.2,18.3,14.6,11.3,9.6,6.1,4.9,4.2,7.5,10.3,14.8,15.5
1922,16.5,19.9,15.9,13.9,7,4.6,2,4.9,7.3,9.8,14.3,15.5
1923,17.8,18.2,15.8,13,7.8,4.9,3.5,4.4,6.6,9.9,13.7,15.5
1924,15.8,14.9,14.6,8.6,4.8,3.4,3.4,4.5,8,10.3,12.6,15.2
1925,16.4,17.1,14.7,10.8,8.2,4.4,2,1.7,5.5,10.7,16.3,17.3
1926,16,19.1,14.1,12.5,4.1,2.9,2.8,5,6.4,11.4,13.6,15.4
1927,15.6,16.8,16,10.6,5.9,7.2,4.6,6.7,8.7,12.4,14.6,15.2
1928,16,15.6,15,12.3,6.6,4.1,2.2,6.3,8,10.6,13.5,16.5
1929,15.1,16.7,12.5,9.5,7.9,3.5,1.7,4.7,6.3,11.3,14.1,13.7
1930,15.7,18.5,15.9,11.3,7.8,6,3.1,6.2,8.1,12.2,13.8,16.2
1931,16.3,15.3,15,11.5,8,5.2,3.2,4.9,6.2,8.6,12.3,15.7
1932,19.2,17.1,15.3,10.6,8.4,3,3.5,5.6,7.4,11.1,13.6,15.7
1933,17.1,17.9,15.4,10.6,7.9,5.4,2.6,4,7.1,10.7,12.2,15.8
1934,18.8,18.6,17.3,11.9,7.5,5.7,3.5,4.9,7.3,10.4,13.4,15.4
1935,17,16.6,16.7,10.9,6.6,3.6,3.3,5.6,6.9,11.6,15.1,15.5
1936,18.8,17.5,14.4,10.1,6.1,3.4,4.1,6.4,7.1,11.1,13.8,16.5
1937,16.7,17,16.2,9.9,8.4,4.7,1.8,5.1,7.2,12.3,14.3,16.2
1938,16.9,16.6,16.6,11.7,9.2,5.5,4.2,4.8,8.3,12.7,15.8,17.3
1939,19.1,17.2,14.9,11,8.5,5.6,3.1,5,6.8,10.4,13.5,14.9
1940,17.9,15.9,16.5,10.3,5.7,3.7,4.2,5,7.7,13.3,12.3,16.4
1941,16.1,16.3,14.7,13.9,7.5,5.7,4.7,5.5,8.4,10.2,15.1,16.7
1942,17.3,16.3,16.2,11,9,5.6,3.4,6.1,8.3,10.6,14.1,16
1943,17.7,17.4,17.4,12.3,5.4,5.1,2,3.8,6.8,10.8,11.8,15
1944,16.7,16.4,15,10.7,5.6,3.4,3.8,5.7,9.7,11.4,15.4,15.2
1945,16,15.7,14.8,10.8,7,6,2.7,6,7.5,9.9,13.7,17.4
1946,17.8,16.2,14.1,8.8,8.6,4.1,5.1,5.3,8.5,10.2,14.6,16.7
1947,18.7,19.4,16.7,11.6,6.9,6.2,5.1,5.7,8.7,12,14.2,15.8
1948,17,17.3,13.9,11.8,5.8,3.8,3.8,5.5,7.5,11.4,13.6,16.3
1949,16.2,15.7,14.1,9.6,7.7,4.2,4.3,5,7.6,11.8,13.5,16.6
1950,17.1,16.5,13.7,10.8,10.5,4.1,2.1,5.7,8.7,10.9,14.4,17.2
1951,18.7,17.8,15.9,11.5,7.4,8.2,3.8,4.4,8.5,10.5,13.9,16.9
1952,17.4,16.7,14.6,11.7,8.3,5.5,3.7,3.9,7.8,10.2,13.3,16.2
1953,15.8,15.8,17.3,13.5,7.7,6.1,3.6,5,6.8,11.4,13.4,16.5
1954,18.1,14.8,14.9,11.8,7.5,5.8,4.7,5.2,7.8,12.6,14.2,16.5
1955,18.7,19.2,15.6,11.4,7.7,7.6,4.8,7.1,9.1,11.8,13.1,15.7
1956,16,17.5,15.2,11.5,8.3,4.8,4.9,3.9,6.7,10.3,13.3,15.3
1957,18.4,16.5,14.4,12.6,7.6,8.8,1.8,5.2,7.7,12.2,14.2,16.5
1958,17.2,17.5,15.4,12.2,9.7,5.6,5.2,5.8,6.9,10.8,14.2,15.2
1959,18.2,17.2,15.6,12.6,7.3,6.1,4.6,6.1,9,12.8,16.6,14.8
1960,18.6,17.8,16.6,11.8,6.3,4.5,4.5,4,7.6,11.5,13.2,16.6
1961,19.1,17.8,17.2,14.5,7.7,6.1,2.3,4.8,9.8,12,13.4,16.7
1962,18.4,17.4,15.9,12.4,7.7,7.5,4.7,5.6,7.8,12,15.4,16.6
1963,18.8,19.4,17.1,11.3,9.8,6.5,5.6,5.2,8.3,12,15.6,16.9
1964,17.8,15.5,15.3,13,7.8,7,6,5.9,9,9.7,14.3,15.5
1965,17.6,19.6,16.2,10.9,8.9,6,4.4,6.7,9.3,13.5,15.4,18.8
1966,18.8,18.9,15.9,13.6,7.3,7.1,3.9,3.9,7,9.9,14.1,14.9
1967,17.6,16.5,13.3,12.5,8.6,3.7,2.3,4,7.4,13.7,15.2,16.4
1968,19.1,18.7,17,12.8,7.1,8.2,3.2,3.1,5.7,10.6,13.4,15.1
1969,19.2,16.7,14.6,11.4,8.9,5.2,3.4,5.6,6.2,12.6,14.5,15.7
1970,17.2,19.4,15.4,11,7.7,6.3,2.7,4.1,7.4,12.2,14.1,16.3
1971,18.7,17.9,18.2,11.8,7,4.5,4,5,8.4,11.5,13.7,15.9
1972,15.9,16.9,15,10.9,7.6,5.8,4.7,5.7,9.4,12.5,15.2,19
1973,19.6,16.6,16.4,14.4,10.3,6,6.1,6.1,7.6,10.5,14.3,16.9
1974,18.9,16.1,15.7,11.7,7.9,4,5.4,5,7.5,11.1,12.3,15
1975,16.5,19.2,14.9,12.4,8.3,3.7,5.5,4.6,8.9,10.3,13.8,16.2
1976,16.8,18,14.2,11.1,6.5,3.8,2.5,5,8.2,10.5,12.2,17.1
1977,17.9,17.6,14.7,10.9,7.9,5.3,3.2,6.6,8,12.7,15.5,18.1
1978,17.8,18.9,16.3,11.6,8.4,5.4,4.9,6,6.8,12.2,14,15.8
1979,19.8,18.2,17.8,12,6.5,5.3,4,5.9,8.7,11,16.5,17.5
1980,18.3,18.5,16.9,13.5,9.3,6.5,5.4,5.6,9.9,11.3,16.6,17.5
1981,20.1,17.8,14.8,14.5,8.1,4.5,3.4,6.4,10.1,12.1,14.1,16.8
1982,19.1,17.8,15,11.3,8.2,3.7,2.2,7,9.1,11.9,15.9,17.9
1983,16.9,19.6,15.8,11.2,7.4,5.5,2.5,6.5,9.4,12.5,15,18.3
1984,16.2,18.1,14.7,11.4,9.4,3.9,3.8,5.6,6.8,13.2,15.2,17.4
1985,19.1,18.9,16.5,12.6,7.6,4.7,5.2,6.7,8.7,11.5,15,16.5
1986,17.9,18.3,18.5,11.7,8.4,6.9,4.2,4.6,8.9,10.4,14.8,16.9
1987,18,17.3,14.2,12.6,7,5.9,4.2,3.8,8.3,12.8,15.2,17.5
1988,18.4,16.3,15.9,12.7,9.6,5.9,4.1,5.1,8.8,13.1,13.5,16.8
1989,17.7,17.9,16.1,11.6,8.6,5.2,3.6,4,8.3,11.5,13.7,18
1990,19.2,16.3,16.4,12.3,10.4,5.1,4.3,6,8.6,12.6,15.4,17.5
1991,19.6,19.7,16.1,13.3,9.1,7.8,5.7,6.4,9.8,13.4,14.2,16.2
1992,17.1,18.1,18.8,14.8,9.4,7.5,4.1,5.7,8.5,10.9,12.6,15
1993,19,18,16.4,14.2,10,5.6,4.1,5.8,8.8,11.2,16,15.7
1994,18.6,18.2,15.1,10.9,8.6,5.5,4.2,5.2,9.1,12.2,15.5,18.8
1995,19.1,18.8,13.7,11.7,7.1,6.9,6,6,9.6,12.4,14.2,17
1996,17.6,18.1,16.4,12.4,7.4,7.8,6.1,5.6,9.9,11.8,15.1,17.4
1997,18.8,20.3,16,13.3,8.8,5.4,2.2,5.4,10.3,12.2,15.2,17.4
1998,19.1,18.3,16.4,12.5,10.4,6.8,3.7,6.6,9.8,12.5,14.8,17.4
1999,19.6,17.1,16.7,9.5,9.6,5.6,4.5,5.3,10.3,11.1,13.8,15.8
2000,18,19,16.5,11.6,6.1,3.7,5.7,4.9,10.7,11.2,16.1,18.1
2001,20,19.9,13.8,11.1,8.5,4.8,4.3,5.9,10,9.8,13.5,15
2002,16.9,15.8,14.8,14.2,9.7,5.1,4.8,5.8,9.5,12.1,15.7,18
2003,18.9,19.9,15.2,12.7,8.7,6.2,5.3,6.8,10.5,11.3,15.8,17.7
2004,18.8,19.6,16,13,8.3,6.7,4.3,5.2,8.9,14,15.2,17
2005,17.5,18.7,17.4,14.7,10.3,6.5,4.6,6.1,10.6,12.7,15,17.4
2006,19.4,17.2,16.9,12.4,6.8,2.5,4.2,6.1,10.5,12.7,16.7,17.2
2007,18.3,20.6,16.3,13.4,7.9,2.8,5,5.8,10.1,11.6,14.8,16.8
2008,19.4,17.2,16.9,12.8,8.5,6,5,4,9.4,13.1,14.6,17.3
2009,19.3,19.3,16.3,13.1,7.4,6.1,5.5,7.7,9.3,11.6,16.4,17.7
