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