1901,19.9,20.1,18.5,13,11.3,9.5,6.4,7.5,14,16.1,17.7,20.2
1902,20.8,20.9,18.7,16.2,12.1,9.4,5.9,4.7,12,14.8,16.6,19.8
1903,19.9,20.8,17.3,13.6,10.3,7.5,6.2,7.6,13.7,14.2,17.3,18.7
1904,19.2,18.2,16,15.7,11.1,7.8,7.3,7.5,13.4,14,14.7,17.5
1905,19.3,19.4,17.5,12.9,8.7,7.8,4.7,8.1,12.3,14.1,16,18.1
1906,19.6,22.2,20.7,16.3,12.4,4.2,5.2,7.5,12.1,15.9,18.7,19.9
1907,21.5,19.7,17,13.3,8.4,5.4,5.7,6,9.5,13.7,18.4,20.5
1908,21.9,19.8,18.8,12.6,9.6,8.3,6.5,7.1,10.1,14,17.1,18.4
1909,22,18.5,18.6,15.3,8.2,5.4,5,9.4,11,13.7,16.3,18.6
1910,20.4,18.9,15.9,13.2,9.2,7.9,6.2,8.6,11.1,14.4,17.2,17.5
1911,21.1,19.3,17.8,13.3,10.8,6,6.6,5.9,8.8,13.5,17.4,19.3
1912,20.7,21.7,20.3,15,9.2,8,5.1,6.2,13,16.2,17.2,21.3
1913,20.8,22.2,18.1,16.9,11.8,9.2,10.3,8.4,11.5,15.3,18.5,18.5
1914,21,20.4,15.9,12.5,11,9.5,8.5,8.9,10.7,13.2,16,18.4
1915,18.7,20,15.8,14.2,10.5,4,6.3,9.3,10.8,15.3,17.8,19.9
1916,20.5,18.9,17.5,15.1,10.5,2.5,4.2,7.9,13.3,16.7,20,19
1917,21.7,19,17.5,15.1,8.4,7,4.8,6.8,12,14.1,17.4,20.9
1918,19.1,17.9,17.1,15,9,6.2,6.5,8.4,9.6,14.4,17.6,19.5
1919,21.2,20,16.9,14.6,13.8,6.5,6.2,7.9,10.6,14.6,17.6,20.8
1920,22.4,19.7,19.5,15.9,12.3,5.8,3.3,7.5,12,13.6,17.7,19.4
1921,19.1,19.2,15.5,13.8,12.6,3.1,4.1,6.6,10.1,13.6,16.3,20.4
1922,18.3,20.1,16.9,12.6,9.7,4.2,7.5,5.9,11.2,12.8,17.1,17.7
1923,18.2,19.8,19.3,14.6,8.2,8.5,3.7,6.9,11.6,12,17.7,17.8
1924,19.3,20.5,18.8,13.1,9.4,6.3,5.3,5.4,9.6,14,16.8,20.2
1925,20.3,21,20.4,14.5,9,5.6,5.4,9.6,12.4,13.1,17.5,19.6
1926,20.8,21.3,20.8,14.3,9.2,7.7,5.4,8.6,11,15.7,17.5,18.9
1927,20.2,20.8,17.6,13.4,9.8,5.9,6.1,8.2,9.7,14.4,17.5,17.4
1928,19.6,17.2,16.4,14.6,8.7,5.1,5.4,6.2,9.3,12.9,17.5,17.8
1929,19.8,20.8,18,15.4,7.9,4.7,6.4,7.5,12.3,13.7,18,21.4
1930,22.1,21.2,18.9,15,9.9,11.3,4.4,5.4,11.6,12.1,16.3,20.2
1931,19.2,20.1,17.5,13.2,6.5,4.5,5,6.5,8.4,16,15.5,19.8
1932,20.9,19.6,19.5,14.5,8.2,7.7,8.2,6.4,11.1,14.4,18.1,18.3
1933,20.2,19.2,17.6,14.9,10.7,6.7,2.9,8.7,10.6,15.9,18.4,19.2
1934,20.7,18.4,18,11.9,9.6,7.8,6,7.7,9.8,12.4,15.7,18
1935,19.8,20.3,19.2,13.2,13.1,7.7,5.3,8.4,9.4,11.3,18.1,19.4
1936,21.2,19.1,18.4,14.1,9.8,6.5,7,6.4,10.7,15.4,14.5,19.6
1937,21.1,22.1,18.2,14.3,9.3,8.4,5.4,8,9.5,12.9,18.3,20.7
1938,20.8,19.7,16.7,11.3,9.9,6.5,5.4,4.7,11.9,15.4,18.8,21.4
1939,22.1,20.6,17.9,11,9.6,8.4,6.6,9.2,10.8,14.3,15.1,16.8
1940,19,18.4,16.4,13.5,9.9,8.1,7.6,6.6,10.5,12.1,15.9,20.3
1941,20.2,17,15.7,12.3,8.3,5.9,6.2,7.5,7.5,14.9,16.2,20.4
1942,20.2,18.7,16.1,12.1,8.1,2.7,2.1,6.3,10.8,13.7,16.6,18.1
1943,20,19.4,15.8,12.6,10.2,6.9,6.6,3.7,9.1,14,16.6,19.3
1944,17.7,19.5,16.1,12.9,9.4,7.8,7.1,8.1,13.3,15.4,15.6,20.4
1945,20.3,18.6,17.7,15,10.6,7.7,5.4,10,12.3,16.3,16.1,18.5
1946,17.8,22,17.4,15.1,9.9,4.8,5,7.5,11.9,13.1,17.5,18.7
1947,21.5,20.2,18,13.4,11,9.3,4.5,5.2,10.6,12.8,16.9,18.8
1948,20.7,18.7,16.1,13.2,10.1,8.2,5.2,6,12.3,13.7,16.7,21.3
1949,19.3,19.5,17.2,14.2,10.4,6.9,4.3,7.1,9.5,12.2,18,20.2
1950,20.3,19,17.8,15,10.9,7.2,6.5,8.4,8.8,13,16.6,19.5
1951,20.7,17.8,17.9,11.6,12.2,8.3,7.2,6.9,11,15.9,19,19.4
1952,21.9,19.8,20.8,14.5,11.4,2.9,6.5,6.5,10.7,14.1,15.7,19.4
1953,20.7,21.1,18.1,13.5,10.5,6.1,2.5,8.2,14,13,19.1,19.7
1954,21.7,20.2,19.3,13.2,7.9,6,3.4,6.9,9.8,14.1,19.2,21.2
1955,23.3,19.5,16.4,13.8,8.6,6.7,1.8,6.3,11,12.9,18.5,19.9
1956,19.7,19.1,18.2,12.2,6.8,5.1,6.7,6.9,11.3,12.9,14.7,18.2
1957,20.9,19.1,18.7,11.8,12.5,5.1,2.4,7.1,9,16.1,17.7,19.9
1958,19.6,20.7,17.2,14.6,8.7,8.1,9.9,5,11.3,15.4,17.8,17.2
1959,20.7,20.3,16.6,10.9,7.9,5.9,6.2,5.4,10.5,14.2,17.4,20
1960,21.3,20.2,16.4,13.9,8.9,7.8,4.5,7.7,10.4,16.1,17.7,20.2
1961,20.5,20.1,16.6,14.3,12.1,5,5.5,10.1,11.1,15.9,18.4,19.9
1962,19.6,20,18.8,14,9.8,4.4,2.5,7.2,11.6,14.3,20.1,20.4
1963,20.3,19.9,17.5,16.5,11.7,7.9,9,7.8,11.2,13.8,15.3,18.8
1964,19.7,20.1,16.7,14.5,13.9,4.4,3.3,5.5,10.8,13.1,17.6,17.9
1965,20.4,20.3,16.3,13,9.6,10.8,5.1,7.8,9.3,15.5,17.8,18.3
1966,20.4,17.9,17.2,15,10.2,8.5,4.9,4.8,10,15,18.6,19.1
1967,19.8,19.3,16.8,16,12.9,1.8,5.9,7.3,9.9,15.5,17,20.2
1968,20.1,20.7,17.2,11.6,7.1,8.5,9.3,9.8,11.1,15.5,19.7,20.5
1969,21.4,20.2,18.8,15.6,12.9,6.1,6.1,5.9,12.3,15.1,18.8,20.1
1970,20.5,20.7,18.1,17.5,10.1,6.8,4.2,6.4,13.3,14.7,16.6,20.4
1971,19,17.8,17.1,11.6,7.6,2.4,5.6,6.4,13.5,15.2,19.2,21.7
1972,21.4,20.9,16.8,12.9,12.6,9.1,4.5,6.8,12.1,14.3,17,20.6
1973,21.4,20,18.9,15,9.7,7.6,4.9,7.6,10.3,15.4,17.8,18
1974,21.2,18.6,16.9,14.7,11.3,6.2,8.3,7.2,9.9,14.5,17.7,18.1
1975,20.5,19.7,18.2,14.4,11,10.6,3.2,6.2,10.7,14.6,16.9,21
1976,19.9,19.4,15.5,11.6,8.7,5.1,4.6,6.8,10.9,15.6,18.7,20.9
1977,21.4,20.3,18.1,14.7,9.2,8.6,6.7,7.8,13.5,16.1,18.8,20.8
1978,20.1,19,17.9,13.3,9.8,5.8,7.9,4.7,12,15.9,19,20.6
1979,21.5,19.3,17.1,11.8,9.8,4.5,7.2,10.7,9.7,15.6,17.3,19.4
1980,19.9,19.5,20.3,15.3,12.6,5.9,3.5,7.9,10.5,15.3,17,20
1981,20.3,20.5,18.6,15.8,14,5.8,5,9.7,10.1,15.1,17.5,20
1982,20.2,19.4,17.1,15.8,11.6,8.8,7.2,9.1,14.1,15.5,18,20.4
1983,21.2,19.3,18.4,15.3,11.2,4,4.4,6.6,9.9,17,18.1,21.5
1984,21.5,20.9,18.5,12.7,10.2,5.5,5.1,5.7,11.9,16.8,18,18.3
1985,19.3,20.2,18.1,13.7,11.5,7.9,5.2,7.4,11.4,16,19.2,20.9
1986,22.3,19.7,16.9,15.8,11.1,8.3,8.2,9.5,11.9,15.6,18.2,22.3
1987,21.4,20.9,18.1,14.6,6.7,6,6.9,7.1,10.1,15.6,18.8,18.5
1988,20.4,18.7,18.9,13.6,7.3,3.4,3.5,6.6,10,14.6,18.8,21.9
1989,21.4,21.7,17.2,13.9,9.5,9.6,4.9,8.5,9.9,15.3,18.3,21.6
1990,21,19.9,17.8,15.1,9.5,5.2,5.5,10.8,9.5,16.5,19,20.6
1991,20.1,20.5,19.6,14.9,11.6,7.8,6,7.5,12.1,13.7,18.2,18.9
1992,19.9,18.8,18.2,13,9.7,8.6,3.9,7.2,10.5,15.4,16.6,19.9
1993,20.7,17.8,19.7,14.5,9.7,6,4.6,6.1,9.3,15.4,17.8,20
1994,20.9,19.3,18.2,14.5,13.3,9.2,5.6,8.9,13.9,16.1,18.6,23
1995,21.5,19.2,19.1,14.2,11.1,7.9,5,7.5,13.6,15.4,21.5,22.4
1996,21,21.5,18.9,15,13,6.2,3.9,9.4,10.8,16.3,18.8,21
1997,21.8,19,19.1,15.6,12.6,5.8,9.1,9.7,13.5,16,18.4,21
1998,20.6,19.4,17.4,14.5,10.4,8.4,7.8,8.6,9.6,16.3,17.6,19.9
1999,18.7,21,19.1,12.4,11.9,7.2,4.3,7.1,13.1,15.7,15.8,19.2
2000,20.9,19.6,18.2,16,9.7,7.3,3.2,6.9,11,16,17.1,20
2001,21.6,21.9,19.2,14.5,9.8,7.1,5.9,9.7,11.7,16.3,19.3,19.3
2002,19.8,18.8,19.1,13.9,10.8,5,5.6,8.6,11.7,17.5,19.1,20.6
2003,21.8,19.8,19,14.5,11.3,10.1,5.4,6.7,11.6,17,19.3,20.6
2004,21.9,19.4,19.6,15.4,7.2,6.7,6.5,7.7,11.8,15.9,17.8,20.7
2005,21.4,20.5,17.8,12.3,9.3,10.1,5.7,8.7,9.7,14.5,19.7,20.5
2006,22,20.4,18.1,15.7,8.8,9.4,7.5,7.5,11.6,17.4,18.1,20.6
2007,20.2,21.1,17.8,14.9,7.5,6,3.1,3.6,13,17.6,18,20
2008,20.9,19.3,18.7,13.4,8.9,3.6,8.1,7.5,9.7,15.7,18.6,19.6
2009,19.1,20.4,19.3,16.9,11,5.1,2.5,9.6,9.1,15.9,21.1,21.2
