1901,20.9,19.8,19.5,15.8,13.1,9,8.3,10,13.7,15.2,17.3,19.3
1902,21.6,20.3,18.1,14.9,11.2,9.5,8.1,9.2,11.7,15.8,18,21.1
1903,21.4,21,20.7,16.3,13.2,8.5,9.2,9.7,12.1,14.4,16.6,20
1904,20.1,19.5,18.5,16.7,13.4,7,7.9,8.2,11.9,16.3,18.1,19.7
1905,20.7,19.7,19,17.4,13,9.7,6.3,8.3,10.3,13.6,17.1,19.1
1906,20.8,20.5,18.7,15.7,12,9.3,7.6,9.1,13.1,15.4,16.6,18.9
1907,20.4,19.6,18.9,16.1,13.4,12.3,7.6,8.1,10.5,16.8,17.2,20.3
1908,18.8,21,19.4,17.5,12.8,6.9,9.2,9.2,10.8,14,16.1,17.8
1909,18.8,19,18.5,15.1,11.4,10.2,7.3,11,11.3,15.9,18.7,18.8
1910,21,19.7,19.4,16.4,13.7,11.7,8.2,11,15.6,14.6,17.6,21.2
1911,20.3,20.3,18.9,15.3,10.9,7.2,7.5,9,11.7,15.4,16.6,22.2
1912,20.6,20.2,19.5,16.7,11.5,12.7,9.2,9.8,11.6,15.2,17,18.9
1913,19.5,19.3,18.4,16.7,11.8,10.6,9.1,7.3,11.6,14.4,18.1,20.5
1914,20.6,19.9,19.8,18.6,13.7,11.7,7.7,10,12.7,14.8,18.2,20.6
1915,20.2,21.5,18.7,16.6,11.6,9.7,11,9.1,15.5,16.6,19.7,18.8
1916,20.5,21.6,20,16.9,13.4,11.5,10.4,9.7,12.5,15.1,16.2,19.2
1917,19.7,19.4,18.1,15.2,9.8,9.3,7.4,10.4,11.7,15.1,18.1,19
1918,20,20.1,18.1,15.2,11.8,9,6.5,9.9,11.6,16.6,18.1,19.8
1919,20.6,20.2,19.8,16.9,14.1,11.7,8.4,8.2,11.9,15.7,16.9,19.8
1920,20,19.5,18.6,15.9,13.9,11,10.1,9.7,13.4,15.6,17.9,19.8
1921,19.7,18.4,18.3,16.7,14.3,13.6,12.1,10.1,13.8,14.5,17.4,20.2
1922,20.6,20.4,17.6,16.2,11.7,10.4,8.6,8,12.1,16.2,17.7,21.2
1923,20.5,19.8,19.3,16.2,11.6,8.7,6.4,7.9,11.2,15,17.4,21
1924,21.1,21.1,18.9,15.8,12.2,10.4,11.8,9.3,13.3,15.5,18.6,18.6
1925,19.6,20.2,18.8,15.1,11.5,9.9,6.7,9.8,10.8,14.6,17.1,19.6
1926,20.1,20.7,19.7,15.7,12.8,11.4,7.8,9.7,13,15.5,17.9,19.7
1927,20.1,20,19.3,15.5,11,11.4,7.4,6.1,11.8,15.1,17.9,19
1928,19.2,21.1,17.9,17.5,10.7,8.7,7.8,8.2,10.8,16.1,18.8,19.9
1929,20.6,20.6,18.8,13.8,10.8,9.1,4.8,8.2,10,14.9,17.2,18.6
1930,20.2,18.2,16.6,12.9,11.7,11.1,8.2,8.7,10.6,14.3,16.5,18.2
1931,21.1,18.3,19,14.8,13.6,11.6,7.2,8.9,12.6,13.3,17.1,19
1932,19.1,20,18.3,16.8,13.5,9.1,5.8,7.9,11.3,15.7,17.4,18.8
1933,20.2,19.5,18.5,15.9,11.3,8.2,10.3,9.8,12.5,14.8,17,19.1
1934,18.9,18.4,16.9,16.3,12.8,9.9,9.3,7.8,11.3,14.7,17.1,17.7
1935,19.5,20.5,17.1,13.8,10,7.7,8.1,8.7,12,16,15.6,19.3
1936,19.6,19.6,18.3,13.4,12.8,10.7,9.9,10,11.9,16,16.9,18.6
1937,20.5,19,18.1,13.2,10.7,7.9,9.2,9.5,12.2,15.1,17.6,19.7
1938,20.7,21,19.8,15.9,15.6,11.7,10.5,9,10.7,15.2,18.5,19
1939,20.5,19.5,19.2,16.1,13.6,9.6,9,6,8.5,13.8,17,18.8
1940,20.8,21.3,19.2,15.6,11.4,10.3,7.3,9.8,11.8,14.6,18.3,19.2
1941,20.8,19.3,19.9,16.1,13.4,10.8,7.6,6.8,11.4,15.7,17.7,18.4
1942,21.1,20.3,18.7,17.3,12.8,12.3,10.5,10.5,12.6,14.4,17.2,19.1
1943,20.1,20.3,17.4,15.8,12.5,8.7,7.2,9,14.3,16.4,17.8,19.7
1944,20.7,20.2,18.2,14.4,9.3,10.9,10.5,9.9,12.5,13.1,17.7,20.4
1945,20.1,21,18.9,16,11.8,12.8,10.1,10.4,11.6,14.9,16.9,19.5
1946,21.3,21.3,19.1,13.7,11.9,5.7,6.2,8.6,11.2,14.7,17.9,20.4
1947,21.6,20.4,19.9,14.8,13.9,7.9,7.6,11.7,14.3,14.8,17.5,19.3
1948,18.8,19.6,19.8,14.2,11.2,10.1,9.3,10.1,10.9,15.1,18.1,20
1949,19.7,21.3,20.1,14.6,11.8,7.9,7.9,8.4,12.3,17.5,17.3,18.5
1950,20.6,20.8,20.3,17.1,12.3,10.9,14,9.6,12.4,15.9,17.3,18.6
1951,20,19.2,19.1,14.4,10.1,10.1,7.2,7.3,11.2,15.1,17.9,19.5
1952,20.7,20.5,19.1,17.1,13.2,9.2,9.2,10.7,12.4,16.4,19,19.2
1953,20.3,20.2,18.2,16.8,10.7,7.7,7.1,9,11.9,15.5,18,20.1
1954,20.4,22,19.8,16.9,12.5,10.4,10.7,11.7,11.7,15.8,17.4,18.9
1955,19.8,21,20.9,17.6,14.6,11.1,10.2,8.4,13.3,16.2,16.7,18.7
1956,20.8,21.7,20.9,16.6,11.8,9.6,9,8,10.2,14.5,16.1,19.9
1957,19.9,20.5,17.8,16.4,11.1,11.3,7.8,10,10.8,15.3,18.2,21
1958,20.3,20.8,20,17.1,14.3,12.2,8,10.6,11.3,15.5,18,19.6
1959,19.9,19.6,19.1,16.1,13.2,10.6,9.7,8.5,12.7,14.5,17.2,20.6
1960,20.2,21.8,18.3,16.1,11.7,8.6,8,7.6,12.1,15.5,17.4,18.3
1961,18.3,19.6,17.9,16,11.7,9.1,8.7,8.9,11.7,15.9,18,19.5
1962,20.5,20.4,18.6,15.2,11.6,10.8,10,7.8,12.5,15.6,18.1,18.6
1963,20,20,20.4,16.1,13.6,9.9,7,11.3,11.8,14.1,16.9,18.5
1964,21,20.9,19.6,16.9,13.9,10.3,9.4,8.9,14.1,15,17.2,19.2
1965,19.7,19.1,18.4,16.5,12.9,11.2,6.5,10.4,13.1,16.1,17.9,19
1966,19.3,20.7,18.9,16.2,11.7,10.4,8.3,10.9,12.8,14.3,17.6,18.8
1967,20.4,19.9,18.9,15.8,13.1,12.5,9.8,9.2,11.1,16,17.8,18.7
1968,20.3,19.8,19.3,17.1,12.8,9.1,8.7,9.3,12.2,15.6,18.5,19.5
1969,21.3,20.6,19.4,16.1,14.3,10.4,10.7,11.8,11,16,18.1,20.9
1970,21.6,20.1,19.5,16.9,11.9,10.2,7.9,10,13,16,18.3,20.4
1971,20.8,20.9,18.8,15.6,11.8,8.9,8.6,11.8,13.2,17.3,18.1,19.7
1972,20.2,19.7,18.1,15.1,12.8,10.6,7.2,9.7,12.1,16.2,18.5,19.5
1973,21.7,21.5,20.1,16.9,15,11.4,12.2,11.5,13.8,16.2,18.9,19.9
1974,20.9,20.7,19.6,16.8,13.4,10,7.5,10,11.6,15.1,16.8,19.4
1975,20.5,20,20.5,16.5,13.1,10.3,11.1,10.6,14,15.8,18.1,19.7
1976,20.4,20.7,20.7,15.5,14.1,10,9.4,8.3,11.9,14.8,19.4,20.8
1977,20.2,20.7,20.3,17.3,14.6,9.2,8.2,9.2,12.1,15.3,18.6,19.9
1978,21.7,21.1,19.8,16.6,13,10.4,9.3,10.2,13.1,14,17.5,19.7
1979,20.5,20.2,19.2,16.8,12.2,11.2,8.7,9.8,13.4,16.5,18.8,21.5
1980,21.9,20.9,18.8,16.8,15.1,10.6,8.8,10.6,13,17.9,18.9,19.7
1981,19.9,22.1,19.3,16.6,12.9,9.8,10.3,9.5,12.9,14.6,18.5,21.3
1982,22,20.6,20.4,16.5,13.2,7.6,7.8,10.6,12.4,14.1,17.3,20.1
1983,20.2,20.6,20.1,16.9,16.1,10.8,9.5,10.3,14.8,16.7,18.8,18.5
1984,21,19.8,19,16,12.9,11.9,10.1,10.4,12.4,15.1,17.9,20.9
1985,20.9,20.7,19.5,16.6,14.2,9.6,9.3,10.8,12.4,15.3,18.9,21.3
1986,20.5,21,18.5,17.8,14.5,9.9,10.6,10.5,13.4,17.4,17.3,19.7
1987,22.5,20.6,19.2,16.4,14.6,12.3,8.4,11,12.3,16.5,17.5,20.1
1988,20.8,20.2,18.8,17.8,14,11.3,11.5,11,13.6,17.6,18.2,20.4
1989,20.1,19.2,19.8,17.9,15.6,9.7,8.7,8.5,12.3,16.7,17.8,19
1990,20.2,21.9,19.1,17.4,14.2,10.7,9.1,8.6,11.8,16.4,18.6,21.2
1991,21.5,21.5,18.9,16,14.6,11.5,8.3,10.4,12.6,16.2,19.1,20.4
1992,22,21.6,19.2,16.8,14.5,9.4,9.5,10.3,13.2,14.6,18.5,19.4
1993,20.3,20.5,18.8,16.3,14.4,11.5,13.6,11,13.9,15.7,18.1,19.3
1994,21.4,20.2,18.4,15.4,11.9,9.4,9.2,9.5,11.8,15.6,18.3,19.1
1995,20.3,20.4,19.2,16,15.3,11.5,8.4,11.4,13.7,15.7,20,19.9
1996,21.1,20.2,18.9,17,14.3,11.9,8.8,10.1,11.7,15.8,16.9,19.7
1997,19.1,21,19.8,16.4,14.5,11.7,10.8,10.4,14.3,15.6,19,21.8
1998,21.8,22.2,19.8,18.1,13.9,11,11.3,12.8,15.6,16.3,17.5,19.7
1999,20.8,20.8,19.8,15.3,13.7,10.5,10.2,10.6,13.1,16,16.7,17.9
2000,20,19.4,18.4,16.2,13.5,9.4,7.7,9,12.3,15,17,18.6
2001,19.4,19.4,20,16,12.2,11.2,9,9,12.2,15.2,17.6,20.4
2002,21,21.1,18.8,16,12.6,10.8,8.1,9.7,12.7,15.6,17.2,19.1
2003,19.9,21.1,19.4,16.8,14,12,10.1,11,13.6,16.1,17.6,20.2
2004,21.7,21.7,19.6,17,12.8,10.5,9.8,9.8,12.8,16.7,19,20.4
2005,21.2,21.6,19.5,17.3,13.2,12.4,11.1,10.5,13.5,18.2,19.4,21.2
2006,21.2,21,18.9,16.7,12.2,10.4,9.7,9.4,12.3,14.2,16.4,17.7
2007,19.9,19.1,19.3,15.7,14.6,9.4,6.9,10.3,12.4,15.9,16.7,19.2
2008,20.2,20,17,13.8,11.6,11,8.9,7.5,12.5,14.4,18.1,20.2
2009,20.1,20.4,18.5,16.1,12.2,9.9,8.5,10.9,12.8,14.8,17.5,19.8
