1901,19,19.5,18.3,13.5,12.4,11.1,10.8,11.3,13.8,16.4,16.6,18.6
1902,19.1,21.3,18.9,16.5,13.8,12.6,11,9.2,13.7,14.6,17.6,18.9
1903,18.9,20,19.4,14.9,11.3,11.2,9.7,11.4,14.2,14.1,16.9,18.1
1904,18.5,18.6,19.1,16.1,10.6,9.8,11.1,11.2,13.4,14.4,16.8,17.4
1905,18.3,18.6,18.5,14.8,11.6,11,9.1,11.5,13.2,16.6,16,18.1
1906,20.4,20.5,19.6,16,14,10.1,10.8,12,12.1,15.8,17,17.6
1907,19.5,20.3,19.9,15.9,10.4,10.2,9.6,10.4,13,14.7,16.8,19.5
1908,19.6,19.2,18.4,15.6,12,11.6,11,10.2,13,15,16.7,18.6
1909,20,19.2,17.8,15.9,9.7,9.4,10.2,13.6,13.3,14.4,15.6,16.9
1910,20.2,18.7,17.8,16.4,11.4,11.5,9.2,12.5,12.5,14.5,17,18.3
1911,20.5,19.8,17.4,15.4,12.6,8.6,9.3,10.8,11.9,14.3,17.6,19
1912,20.2,20.9,19.3,15.9,13.1,11.9,8.8,11.6,11.9,15.6,17.6,19.3
1913,18.1,19.6,17.6,16.2,12.5,9.2,12.3,11.6,12.6,15,16.8,17.5
1914,19.9,19.1,18.8,16,12,13.2,13,11.5,12.5,15.1,16.2,17.1
1915,19.6,21,16.7,17.1,13.8,7.3,9.3,12.3,11.7,14.5,15.6,17.8
1916,19.2,18,16.3,15.8,12.3,9.2,7.3,10.6,13.9,14.6,16.8,17.6
1917,20.3,19.1,17.4,14,10,9.4,8,9.7,13,13.6,15.2,18.7
1918,19.7,18.1,17.4,15,10.7,9.1,8.5,10.8,12.1,14.6,16.9,17.6
1919,19.9,18.4,18.6,16.3,14.3,10.7,11.1,10.2,10.1,14.5,15.7,18.4
1920,20,19.7,19.3,16.9,12.5,9.7,8.1,10.1,12.5,15.2,17.5,18.4
1921,19.4,19.5,18,15,14,8,8.4,11.9,12.3,15,16.1,20.2
1922,19.5,19,18.1,15.5,12,9.1,11.7,12.1,12.9,12.9,17.2,18.2
1923,20.1,20.1,19.8,17,10.2,10.6,8.1,12.1,13,14.4,16.5,18.9
1924,18.9,19.3,19,14.3,10.5,10.6,9.1,9.8,11.5,13.7,15.1,19.5
1925,19.6,21.1,19.2,16.3,11.5,8.3,8.1,13.9,13,14.4,17.1,19.4
1926,20.9,20.4,20.6,15.9,11.3,12,9.4,12.9,14.3,15.8,17.8,18.9
1927,20.3,20.8,19.6,15.9,12,9.6,10.1,11.8,13,15.1,17,17.8
1928,20.3,19.5,18.9,17.3,12.2,9.3,9.6,11,12,15.4,17.9,19
1929,21,20,18.6,16.2,11.7,9.4,9.7,11.3,12.5,15.3,17.2,19.2
1930,19.9,19.6,18.9,16.9,13.3,14.3,9.6,11.1,12.3,14.5,16.7,18.9
1931,21.2,21.5,20.1,15.4,10.4,8.8,10.5,12.9,11.4,15.7,16.1,19.7
1932,21.2,20.3,19.5,16.6,11.2,9.8,13.5,10.5,13.2,15.9,18.2,18.7
1933,18.9,20.2,19.3,16.9,13.8,10.1,7.7,12.2,13.2,16.3,16.9,19.3
1934,20.8,18.4,20.1,13.9,13.7,13.1,9.9,12,13.3,14.5,16.9,18.2
1935,20.7,20.3,21,14.8,10.6,13.2,10,11.8,11.9,13.9,16.8,18.3
1936,19.7,19.6,19.9,15.6,15.5,12.8,10.3,9.9,13.5,15.5,16.9,19
1937,19.7,20.2,18,15,11.5,12.7,9.4,13.8,12.9,13.5,15.9,18
1938,19.2,19.2,19.4,14.8,12.6,12.5,11,11.2,13.7,14.8,16.9,19
1939,19.9,19.5,19.4,14.5,13.8,13.3,9.3,13.9,13.4,17.6,15.5,17
1940,18.4,17.9,17.3,16,15.7,12.9,13.7,10.6,13.6,13.7,16.5,20.1
1941,20.2,19.8,17.3,18.8,14.5,10.5,10.5,13,9.2,15.2,16.9,18.1
1942,20.1,20.4,19.2,16.2,10.8,8.5,6.7,12.9,12.4,14.3,17.5,18.8
1943,21.7,20.7,19.3,14.8,14.2,12.5,12.2,8.1,12.6,17.5,17.1,18.7
1944,19.8,21.1,18.8,14.7,13.6,12.2,10.5,14.3,15.6,18.7,17,21.2
1945,21.6,21.6,20.1,17,11.6,9.5,10.7,15.8,14.7,18.6,18,18.9
1946,19.2,20.9,18.8,15.8,13.6,10.1,8.3,14.2,15.7,15.9,19,18.2
1947,20.8,21.7,18.9,16.2,13.6,12.9,9,11.4,13.4,15.1,18.5,19.2
1948,22.1,19.7,18.2,16.4,12.7,13.6,11.3,10.9,14.4,15.6,16.8,20.7
1949,21.1,21,20.5,15.5,13.6,13,11.2,12.7,13.8,15,19.6,20
1950,20.2,19.9,18.2,17.5,15.9,12.1,10.4,14.5,13.5,15.7,17.6,19.8
1951,20.9,19.7,18,13.9,14.3,12.5,11.9,12.8,15.2,16.6,17.7,19.6
1952,22.4,20.5,21,14.3,15.8,8.6,12.1,14.9,13,15.9,17.9,19.8
1953,21.2,20.9,21.7,15.9,14.5,12.2,7.3,16,16.1,15.8,18.4,20.4
1954,21.2,21.3,19.8,17.7,12,12.1,10.1,13.7,13.7,14.8,19.9,19.7
1955,21.7,22.4,18.8,16.3,12,11.6,6.9,12.6,14,14.4,18.6,20
1956,20.6,20.6,19.4,14.7,9.5,9.7,9.3,12.2,14.6,17.3,18.5,20.3
1957,21.8,19.6,20.7,16,16,11.1,8.3,12.2,11.2,17.3,17.4,20.4
1958,22.5,21.5,19.4,16.2,13.3,13.6,12.9,10.5,14.3,16.1,17.8,18.8
1959,21,20.9,19.7,17.9,13.2,11.4,13.4,11.9,14.8,16.8,17.5,18.9
1960,21.6,20.1,19.3,16,10.7,12.2,11.7,12.5,14.2,17.6,18.3,20.5
1961,21.9,21.4,19.2,17.1,14.4,12.8,11.4,15.1,14.7,18.3,18.7,20.2
1962,19.8,18.5,19.6,16.3,11.2,10,7.3,10.5,14.5,14.7,18.7,20.9
1963,21.7,21.7,21.8,16.2,14.2,11.2,13.2,14,16.5,17.6,18.1,19.5
1964,20.8,20.5,20.1,18.3,14.1,8.5,7.5,12.8,13.7,14.8,16.7,18.9
1965,20.8,21,16.7,17.3,13.3,14.8,9.9,14,13.3,16.9,18.3,19.7
1966,20.5,20.4,19.3,18.2,13.5,12.5,11.6,10.3,12.8,17,19.2,20.3
1967,19.6,20.6,18.1,16,15.5,8.8,11.4,14.4,15.6,18.6,18,19.8
1968,20,19.5,19,12,9,11.6,11.1,12.4,11.2,16.9,20.2,19.6
1969,19.5,20.9,19,16.2,14.4,10.5,10.8,9.5,13.5,14.8,18.1,18.6
1970,20.4,19.8,20.4,17.3,13.7,11.2,9.7,11.4,12.6,15.7,13.8,18
1971,20.1,20.2,17.8,13.4,10.4,8.3,10.4,12,14.2,14.6,16.3,19.3
1972,19.6,19,18.7,14.1,15.2,15.9,10.4,12.3,14,14.4,17.2,18.1
1973,20.7,21.5,18.8,17.3,13,11.5,11.1,9.7,11.7,15.7,14.9,19
1974,21.1,20.5,19.1,14.9,13.4,8.4,10.7,10.7,12.4,13.5,15.2,18
1975,19.1,20.7,19.1,15.9,13.4,12.1,8.5,11.3,13.4,13.6,16.3,18.7
1976,21.1,19.2,17.6,13.7,11.2,9.5,9.4,10.5,11.7,14.7,16.3,18.9
1977,20.8,21.4,20.2,15.1,12.7,12.1,14,12.2,14.7,17.6,17.8,20
1978,21.4,19.8,19.9,12.4,10.7,10.8,12.4,11.2,14,17.1,17.2,19.1
1979,20.4,20,18.2,15.1,11.5,8.4,10.1,14.6,11.7,17.1,16.9,19.5
1980,19.3,19.5,21.5,18.3,15.4,10.7,8,12.4,10.1,15.4,17,19.1
1981,21.1,21.2,17.5,16.2,16.3,9.1,8.6,12.4,13,15.5,18.6,18.3
1982,19.2,19.7,18.7,16.2,12.6,11.8,11.7,14.8,15.1,15.7,17.8,18.4
1983,21.2,20.3,17.5,17.1,14.4,9.3,10.8,12.7,10.8,16.4,17.2,19.6
1984,21.6,21.6,19.7,15.5,15,11.3,10.4,9.5,12.1,18.4,18.1,16.5
1985,19.7,20.7,18.5,17,13.2,11.1,10.2,13,14.3,16.4,19.2,20.5
1986,21.4,20.8,18.7,18.2,13.9,14.1,10.5,13.7,14.1,15.1,18.3,19.4
1987,20.6,19.1,18.2,18,10.6,8.5,14.1,11.4,11.1,15.7,18,17.9
1988,20.3,18.5,20.6,15.1,9.9,8.5,7.3,12.8,13.3,13.7,16.5,18.4
1989,19.7,19.6,17.9,16.4,11.6,10.6,7.6,11.9,11.3,14.5,16.8,20.2
1990,20.6,19.9,19.7,18.3,11.9,8.8,7.6,12.3,12.1,18.4,19.6,18.3
1991,19.7,18.1,19.7,16.7,15,11.5,9.4,12.7,15.5,16.3,16.5,19.9
1992,19.4,20.5,19.4,16.3,14.3,14.2,7.7,10.5,12.4,15.6,16,19.1
1993,20.7,19.8,19.4,17.7,12.9,11,10.2,10.2,12.1,17.6,16.8,20
1994,19.9,19.7,17.7,16.2,16.8,14.9,11.4,12.2,12.8,18.1,17.2,20.4
1995,20.8,19.3,19,16,11.8,11.4,13.3,12.8,14.5,14.6,18.3,19.6
1996,21.3,19.9,19.2,17.7,12.9,8.9,5.9,14.5,12.2,15.9,18,19.1
1997,21.8,21.1,17.8,14.6,13.1,11.7,13.2,13.4,14.7,17.6,20.9,20.4
1998,21.8,21.3,19,17.5,13.1,10.8,12.8,13.1,12.3,17.3,17.5,18.1
1999,20.6,20.6,21.6,16.3,12.9,10.5,10.7,11.4,15,16.4,17,19.3
2000,21.3,20.2,19.2,18.3,12.5,13.6,5.8,11.6,14.1,18.1,17.3,19.7
2001,21.7,21.8,21.4,19,13.1,12.1,11.1,14.7,15,17.9,18.6,19.3
2002,20.7,20,23,18.5,16.1,10.5,11.4,14.1,13.1,18.6,18.5,20.5
2003,21.6,21.3,20.2,15.9,14,15,11.1,10.6,13,17.1,17.6,18.8
2004,18.1,18.5,17.8,19.1,11.6,12.2,10,11.2,14.2,15.3,16.8,18.7
2005,20.5,20.1,18.8,17.6,16.1,15.5,9.4,13.1,10.9,16.7,17.8,18.6
2006,21.4,20,20,16.4,10.7,11.4,13.1,11.9,12.6,18.5,17.4,20.8
2007,21.3,20.8,20.1,18.8,11.2,11.7,7.5,11.1,15.9,19.2,16.5,19.4
2008,20.4,19.7,19.5,15.5,11.8,10.2,13.4,12.9,11.6,17.2,18.5,20.1
2009,20.3,21,20.1,16.9,14.8,8.6,7.1,13.2,13.9,16.9,20.9,20.7
