1901,20.2,19.7,19,15.6,10.9,7.1,5.6,8.8,12.5,18.2,19,18.9
1902,19.2,19.2,17.9,16.5,10.3,7.1,6.3,8.7,14,17,19.5,20
1903,19.7,19.6,19.2,17.1,11.7,7.2,5.9,8.8,11.8,17.6,19.3,19.1
1904,18.7,18.5,17.4,15.1,10.3,7.7,5.3,8.4,12.1,17.9,19.8,18.8
1905,19.6,19.1,17.4,15,10.1,7.4,4.9,8.9,13.5,19,19.6,20
1906,20,18.3,17.6,15,10.6,7.1,5.3,8.1,12.7,17.2,18.2,19
1907,18.8,18.7,17.6,14.4,10.4,6.7,4.3,7.3,12.5,17.4,18.9,18.6
1908,18.9,18.6,17.6,14.7,9.9,7.9,5.5,9.2,13.8,18.6,18.9,19.3
1909,18.9,18.8,17.1,13.4,10.2,6.3,5.7,8.9,12.7,17.9,18.9,19.7
1910,18.9,18.9,17.2,14.2,9.5,6.9,5.3,8.7,12.6,17.2,18,19.2
1911,18.5,18.5,17.2,14.5,9.8,6,4.8,8.1,12.1,18.4,19.5,20.6
1912,19.2,19.6,17.5,16.3,11.6,6.6,4.9,7.9,12.5,17.4,20.7,19.7
1913,19.9,19.6,17.6,15.5,10.5,6.7,6,8.7,13.1,18.1,19.1,20.8
1914,20,18.8,18.3,16.3,10.6,7.5,5.2,7.9,13.9,18.5,19.6,19.3
1915,19,18.5,16.8,15.5,9.8,7,6.2,8.2,12.6,17.8,19.3,19.6
1916,19,19.8,18.4,14.5,9.8,7.4,5.9,8,13,18.7,19.1,18.9
1917,18.7,19.1,17.8,15.1,10.9,7.6,5.7,8.2,12.8,18.7,19.7,18.4
1918,17.9,18.1,16.8,13,8.5,7.2,6.3,6.8,12.2,17.3,17.5,18.1
1919,18.2,18.4,17.2,15.5,8.3,6,6.4,7.6,12.8,16.5,18.6,18.5
1920,20.6,19.1,17.5,14.3,10.2,6.9,5.5,7.5,13,16.5,19,20.3
1921,20.3,19.4,18.1,15.4,10.2,7.6,4.9,7.6,12.3,17.5,18.4,19
1922,21.4,20.1,19.2,15.6,11.4,9,6.1,9.5,12.6,14.7,18.8,20.6
1923,18.1,18.7,17.4,14.6,10.4,8.4,5.9,10.2,10,16.9,19.8,20
1924,20.4,18.9,19.3,14,10.3,8.8,5.2,7.8,12.5,17.2,18.6,18.8
1925,19.2,18.2,17.9,16,8.8,8.8,5.7,7.5,10.4,16.4,18.7,19.5
1926,19.9,19.5,18.2,16,10,7.5,4.9,6.4,12.6,16.9,19,19
1927,19.1,18.6,17.8,15.2,9,6.4,5.1,7,12.7,16.6,19.1,19.4
1928,20.2,19.6,19.2,15.6,9.3,8.3,4.3,7.4,14.5,18.6,19.9,20.1
1929,19.7,19.4,17.9,14.3,11,8.2,5.8,8.5,14.2,19.9,20.8,19
1930,19.3,19.8,18.1,15.8,8.4,6.4,5,7.7,11.5,17.3,20.3,19.8
1931,20.2,20.6,20,16.5,11.8,7.5,5.8,8.4,12.4,18.1,16.6,18.3
1932,19.1,19.3,17.2,16.1,10.5,6.1,3.3,6.5,13.2,18.5,19.4,19.7
1933,19.3,18.9,18.5,15.9,10.1,8.5,6.9,8.6,12,17.8,18.9,18.7
1934,19.7,19.9,18.7,15.8,11.7,9.2,8.2,10.4,12.8,17.4,19.7,20.1
1935,19.9,18.7,18.4,15.3,11.4,6.5,5.6,6,13.4,18.3,19.4,20
1936,19.5,20.5,17.4,13.8,9.4,6,5.7,7.9,10.9,18.4,18.7,18.8
1937,19.8,19.9,17.9,14.8,8.4,5.2,3.9,6.5,10.9,15,18.1,16.9
1938,19.4,19.3,18.1,17,11.2,6.9,5.6,8.6,13.1,18.7,17.5,18.8
1939,19.6,20,18.3,14,11.8,7.7,6.2,9.2,11.6,17.2,18.2,19
1940,19.1,19.9,19.2,16.7,9.7,8,5.4,9.8,14.3,17.3,19.3,20.7
1941,20.7,20.1,18,16.3,10,8.1,6.2,9,13,18.8,19.7,19.3
1942,20.4,20.6,19.5,16.2,11.2,9.3,6.7,10.5,14.6,18.1,19.2,19.6
1943,19.9,19.3,18.8,16.7,10.9,7.1,6.8,9.3,13.9,19.6,19.5,19.3
1944,19.8,20.2,18.3,15.8,9.4,8.1,6,8.9,13.2,18.2,19.8,19.7
1945,19.6,19.9,19,15.2,10.5,5.1,5.6,8.6,13.6,18.7,19.2,19.3
1946,20.3,20,18.5,15.3,10.9,7.3,4.5,6.7,12.8,18.7,19.6,19.5
1947,19.9,19.7,18.4,15.8,10.8,6.6,3.2,7.8,13.3,17.7,19.7,19.3
1948,19.4,19.4,18.8,15.2,11.3,6.6,6.3,8,11.6,17.5,18.5,18.7
1949,20.1,19.1,19.2,15.3,11.9,8.5,7,9.6,13.8,18.5,20.3,19.8
1950,19.4,19.7,18.7,15.7,9.7,7.1,8,8.7,13.2,17.2,19.3,19.7
1951,19.7,19,19.1,15.9,11.7,5.8,4.9,8.6,12.5,18.3,18.8,19.6
1952,20.4,20.1,17.6,15.4,9.9,8.6,6.2,8.7,13,18.4,18.4,19.6
1953,20.4,20.2,18.5,16.2,10.7,5.7,3.9,7.9,10.3,17.2,19.3,19.5
1954,19.9,20,18.1,15,10.3,5.3,3.1,7.4,12.9,17.9,18.7,19.7
1955,19.5,19.8,18.4,14.7,11,8.3,4.8,6.4,12.1,17.4,18.6,19.5
1956,19.3,19.5,19.1,16,9.9,7.3,5.7,7.6,12,17.4,18.9,18.8
1957,19.5,19.7,18.3,14.6,9.8,6.4,6.3,8.9,15,18.1,20.5,20.1
1958,20.7,20.5,18.8,15.8,10.7,6.4,4.4,6.1,14.2,17.5,19.5,20
1959,19.5,19.8,18.8,15.6,10.2,7.9,7,7.5,11.7,17.2,19.1,20.2
1960,19.4,19.8,17.8,15.7,9.8,8.3,4.9,9.3,13.2,17.7,19.4,19.5
1961,18.8,18.4,18.5,15.9,11,6.8,7.1,7,13.2,17.7,18.6,18.4
1962,19.4,19,17.6,15.3,8.8,5.4,5.8,8,12.1,18.4,18.7,18.8
1963,19,19,17.6,14.4,7.7,5.8,4.6,6.9,12.8,17.5,18.3,18.3
1964,18.7,19.4,18.4,14.5,9.7,3.7,3.6,8.4,12.6,17.6,17.6,18
1965,18.6,18.5,17.5,13.6,8.8,4.8,5.1,8.4,13.7,16,18.7,18.6
1966,19.3,19.8,17.4,14.3,9,9.4,5.2,8.2,13.1,17.8,19.4,18.7
1967,19.2,18.7,17.8,15.9,10.9,8,5,8.4,13,18.2,18.2,18.8
1968,18.5,18.6,17.8,14.7,11,3.4,5.9,9.3,13.2,18.3,19.2,18.9
1969,19.5,19.5,19.2,15.9,10.7,7.4,6,10.2,13.2,17.7,18.3,18.8
1970,19.4,19.6,16.6,15.1,10.3,8,6.3,9.1,14,17.7,18.9,18.6
1971,18.9,18.9,18,15.9,10.1,7.2,6.5,7.7,12.8,18.1,18.6,18.9
1972,19.1,18.2,18.4,15.5,9.3,5.6,5.3,7.2,13.4,18.2,17.5,19.7
1973,19.8,17.2,18.9,14.9,10.7,7.4,6,8.7,13.8,18.6,18.6,18.4
1974,18.6,18.7,17.7,14.7,9.4,6.3,5.1,9.1,11.7,17.3,18.4,19.1
1975,18.4,18.9,17.8,15.6,11.2,7.8,4.5,7.5,12.9,16.4,19.3,18.6
1976,18.8,18.5,18,15.1,9.5,7.7,4.2,6.1,12.4,17.4,18.8,19
1977,18.9,19.3,18.2,14.5,10,6.3,6,8.8,13.8,18.9,19.2,19.7
1978,19.4,19.3,18.6,15.8,9.8,6.8,5.3,9.2,13.7,17.6,18.8,18.5
1979,17.8,18.5,17.9,15,10.3,7,4.9,9.3,13.5,18.7,19.6,19.1
1980,18.5,19.4,18.5,14.6,10,5.2,5.1,8.8,12.5,17.8,19.3,19
1981,19.2,19.3,18,14.2,9,5.5,4.7,8.7,11.6,16.8,18.8,19.4
1982,19.1,19.4,18.3,15.8,10.3,7.5,6.5,9.2,13.8,17.4,19.1,19.3
1983,19.8,19.2,19.1,16.2,10.2,7.8,6.9,6.8,12.2,18,19.4,21
1984,18.6,18.6,18.5,14.6,11.6,7.8,5,8.5,14.3,18.9,18.6,18.8
1985,19.4,19.4,18.8,14.9,10.6,6.6,6.5,9.3,13.8,18.5,19.8,19.4
1986,19.4,18.8,17.9,15.9,10.4,6.9,4.9,8.9,13.4,17.4,18.6,19.2
1987,19.6,19.5,19.1,15.6,12.6,6.7,5.3,9.6,15.2,18.5,20.6,19.8
1988,20,19.7,18.7,16.6,10.7,8,5.4,9.2,13.2,17.7,18.9,18.8
1989,18.3,19.2,17.9,15.5,10,8.4,5.4,9.6,12,16.9,19.4,19.6
1990,19.3,18.2,16.9,15.6,12,9.3,6.3,9.2,13.6,18.6,20.9,19.1
1991,19.6,19.1,18.3,13.4,10.6,7.4,5.5,8.4,13.4,17.9,19.4,19
1992,19.1,20,18.4,15.9,10.3,7,6.2,8.3,12.3,19.4,19.4,19.4
1993,19.1,18.6,18,15.7,11.8,7.8,7,9.2,12.7,19.9,19.7,19.7
1994,19.3,19.9,19,12.9,10.9,6.8,7,8.7,13.9,18.6,21.1,19.6
1995,21.5,19.7,20.1,16.7,12.7,5.6,6.4,12.3,14,19.9,21.2,20.2
1996,20.8,20.7,17.9,16.9,12.1,6.9,5.4,10.9,14.8,21.5,20.5,20.8
1997,19.7,19.5,19.2,15.4,10.6,8.8,7.1,9.7,16,18.5,21.1,21.1
1998,20.8,21.2,20.3,17,11.5,8.8,8.5,12.1,14,19.8,21,19.9
1999,19.9,19.5,19,15.8,12.3,9.1,7.3,10.6,14.1,18.8,19.1,19.9
2000,20,20.4,19.2,14.2,12,10.3,7.8,9.5,14.4,19.6,17.7,19
2001,19.5,20.3,19.8,17.8,13.1,6.8,6,10.9,14.7,18.1,18.9,20.4
2002,19.6,19.5,18.5,17.7,11.2,8.7,7.4,11,15.7,19.6,22.1,21
2003,19.9,21,19,17,11.6,9.5,6,11.3,14.6,19.4,20.4,19.8
2004,19.6,20.2,20,17.4,10.5,6.8,5.7,9.6,13.4,19.6,19.7,21.3
2005,20.6,19.7,20.9,17,13.3,10.5,6.9,11.8,13.2,19.9,21.8,19.7
2006,19,19.1,18,15.3,10.1,7,6.1,8.6,12.9,18.8,19.3,19.5
2007,18.8,19.6,18.7,15.7,10.4,7.3,5.6,8.6,13.8,17.6,19.2,19.9
2008,19,19,18.2,15.3,10.8,7.6,6.1,9.2,13.6,18.6,19.6,19.6
2009,20,20.6,19.7,15.6,10.7,7.7,5.5,13.3,13.8,18.8,19.1,21.7
