1901,21.1,22.7,20,16.1,11.7,7,6.3,8.4,13.3,15.3,19.8,21.3
1902,22.6,22.8,19.2,15.3,11,8.7,7.3,8,11.7,16,20.6,21.2
1903,22.6,22.8,21.3,16.6,11.1,8.2,7.1,8.2,12,14.1,17.1,20
1904,21.6,20.6,18.1,15.3,11.9,7.1,7.6,8.6,10.6,15.5,19.6,22
1905,23.4,21.7,20.1,16.6,11.8,8.8,6.7,8.1,9.2,12,18.4,20.3
1906,23.1,23,18.5,16.9,12.2,9.6,7.6,8.9,11.4,15.7,16.7,20.5
1907,21.1,21.5,18.7,14.7,11.1,8.5,7.1,9.6,13.6,16.9,17.9,21.1
1908,23.8,19.7,19.3,15.7,10.6,6.7,5.9,7.8,9.8,14.3,18.9,21
1909,21.7,19,19.2,13.3,10.6,8.6,5.8,8.6,11,15.2,18.3,19.7
1910,20.2,20.2,17.7,15.8,12.6,9.2,7.1,10.1,13.7,14.9,17.6,19.4
1911,20.1,19.6,17.4,13.7,11.1,6.9,7.7,8.7,13,14.4,19.4,20.7
1912,20.9,20.1,19.5,14.6,10.3,9,8.6,9.3,11.5,15.2,19.4,21.5
1913,22.5,22.4,19,15.4,10.4,8.1,7.4,8.1,11.5,16.6,17.4,21.1
1914,22.4,22,19.5,15.8,11,8.9,6.9,9.6,12,15.9,20.2,21.2
1915,21.6,23.7,20.8,15.9,10.8,8.8,8.2,9.2,13.5,15.1,19.3,19.6
1916,23.1,21.5,18.5,15.8,11.1,9.3,8,8.2,12.3,14,15.2,19.8
1917,22.1,19.1,18.7,13.5,9.6,8.4,7.9,8.7,12.5,15.2,16.3,20
1918,19.3,19.4,17.7,14.9,11.5,7.9,6.7,9.7,12.2,14.7,19.3,21.6
1919,23.6,21.9,20,15.8,13.6,9.7,8.2,9.4,13.2,16.9,21.2,22.6
1920,19.9,20.5,17.7,15.1,10.2,9,8.6,8.6,12,14.8,19.4,19.9
1921,19.8,20.9,18,15.5,12,9.3,9.2,7.7,13.2,13.5,19.5,19.9
1922,19.6,20.7,18.9,17.5,11.6,8.6,7,8.5,11.8,16.3,20.1,21.4
1923,21.9,23.1,21.1,16,13,9.4,7.1,8.2,11,14.8,15.8,22
1924,20.8,19.9,18.3,14.2,9.8,7.4,7.1,8.9,12.4,14.1,16.3,17.6
1925,19.4,21.4,18.1,15.2,11.8,9.1,6.5,8,9.9,14.9,18.6,21.3
1926,20.9,25.2,19.7,15.3,10.3,9.1,7.9,9.1,11.4,15.2,18.7,18.7
1927,20.5,19.7,18.8,14.4,9.7,6.8,6.1,8.2,11.5,16.5,19.2,18.7
1928,19.3,21.5,19.2,16.5,9.7,7.8,8.1,11.1,13.4,15.6,18.9,21.7
1929,24.4,21,19.3,13.9,10.4,7.6,5.9,8.8,11.5,15.4,17.1,21
1930,21,22.8,18.6,14.8,11.3,10.1,8.9,9.7,11.4,16.4,19,20.5
1931,21.6,21.4,19.3,14.8,11.6,8.6,7.4,8.8,12,14.9,17.9,19.3
1932,24.7,22,19.5,15,11.7,7.4,7,9.9,12.2,14.1,18.8,20.4
1933,21.3,21.1,20.7,14.9,11.2,8.5,8.8,8.1,12.4,16.5,17.2,19.1
1934,20.9,19.9,19,14.6,11.8,7.6,8.6,9.8,12.7,14.2,17.5,18.1
1935,19.9,20.1,18,14.5,9.7,7.6,7.4,9.2,11,15.8,18.6,19.9
1936,20.6,20.1,17.8,14.1,11,7.2,8.1,10,11.5,15.9,18.8,21.2
1937,21.3,19.5,18.1,14.1,10.7,7.9,6.9,10,12.7,16.1,17.3,22.4
1938,21.3,20.4,20.9,16,12.7,8.2,7.2,8.7,12.5,17.4,20.6,22.6
1939,24.2,24.7,19.9,16.2,12.9,8.6,5.9,8.1,11.6,14.7,18,21.5
1940,23.7,24.3,21.7,16.1,10.2,8.8,8.1,9.8,13.6,17.2,18.1,21.6
1941,19.2,20,19.1,16.2,11.6,8.7,8.5,8.9,13.2,15.4,19.9,21.3
1942,24.1,21,20,16,13.2,9.6,8,9.7,12,14.6,17.9,20.6
1943,20.7,21.9,21,14.4,11.7,7.5,6.3,7.3,11,14.6,16.3,19.1
1944,23,21.1,18.5,13.6,10.6,8,8.2,9.4,12.6,16.9,21.1,22.6
1945,22.6,21.2,19.2,15.2,10.9,10.1,7.5,9.5,12.2,14.9,19.4,21.6
1946,24.7,23.5,17.8,14.6,11.2,7.6,8.7,9.7,12.3,14.6,21.1,21.9
1947,23.1,21.8,19.9,15.4,13,9,8.1,9.3,12.2,14.5,16.2,19.1
1948,18.2,22.1,17.2,14,10.4,8.8,6.6,9.3,12.2,14.8,17.7,22.1
1949,20.1,21.5,19.2,13.6,11,7.4,7.6,9,12.1,16,16.9,20.7
1950,21.4,20.8,20.3,15.3,11.8,9.9,9.9,9.2,13.4,15.2,16.9,21
1951,19.7,21.4,20.7,13.8,11.1,10.2,7.7,8,13.2,14.5,18.2,20.4
1952,23.5,21.6,19.5,15.3,11,9.1,7.8,9.8,11.8,15.4,16.9,20.6
1953,20.3,19.5,19.6,17,11.6,8,7.8,8.8,12.6,14.8,17.7,22.4
1954,20.4,20.1,18.6,16.8,10.8,8.4,8.1,9.7,11.3,15.2,18.1,20.5
1955,21.8,20.9,21,16.7,11.4,8.9,7.3,9.5,12.5,15.7,17,18.7
1956,20.5,20.6,20.1,15.2,11.4,8.7,7.6,8.3,10.4,13.5,16.2,20.6
1957,22.1,21,18.3,15.9,10.4,9.9,6.4,9.7,11.3,16.1,19.9,23.2
1958,21.6,20.9,19.8,16.6,13.7,9.5,8.1,10.3,10.6,14.5,19.4,19.9
1959,21.7,21.8,19.7,16,10.8,9.2,8.6,9.4,12.3,14,20.7,19.7
1960,23.8,21.2,18.8,16.2,11.1,8.1,8.5,8.4,11.9,15,16.4,19.3
1961,20.8,21.2,19.1,16,10.5,9.1,7.7,8.9,11.8,17.3,19,20.1
1962,19.7,20.4,18.7,14.9,10.5,9.4,8.4,8.8,11.6,13.9,18.2,18.5
1963,20.8,20.9,19.3,15.3,13,9,7.3,8.9,11.3,15.1,16.4,20.2
1964,21.3,20.6,19.5,15.8,10.5,8.6,7.6,8.9,11.8,13,17.6,18.9
1965,20.3,22.3,20,14.6,11,8.3,6.9,9.4,14.3,16.3,17.6,20.3
1966,21.6,20.9,18.9,15.6,10.1,8.2,6.8,8.8,11.5,14.4,17.6,19.7
1967,21.6,20.8,17.1,15.5,11.3,11.4,7.7,8.1,11.2,16.6,18.7,19.8
1968,21.6,22.9,20.9,17.2,11,8.2,6.8,8.8,10.9,15.1,18.6,19.4
1969,24,22.4,20.1,15.6,11.5,9,8.1,10.8,9.7,14.7,16.8,19.5
1970,20.8,21.3,18.3,15.7,10.1,8.9,6.9,8.2,10.4,15.9,16.7,19.7
1971,20.4,20.7,19.4,15.1,10.8,8.2,6.6,8.9,11.5,14.4,15.7,19.4
1972,19.3,19.6,18.3,14.2,12,8.6,7.5,10.1,13.3,15.6,17.3,21.4
1973,23.1,21,19.9,16.7,12.3,9.5,10.2,9.5,12.8,15.5,17.3,20.8
1974,20.8,20.5,19.5,17.2,12.4,8.7,8.1,8.4,10.4,14.3,16.1,19.8
1975,21.3,20.8,18.2,14.5,11.6,9.1,8.8,9.4,12.6,14.3,18.8,21.5
1976,20.9,21,19.1,14.9,11,9.3,8.1,8.5,10.3,13.5,16.7,21
1977,22.3,22.2,19.4,15.3,11.4,8.4,7,9.5,11.3,16.1,19.4,22.1
1978,22,22,20.3,14.8,12,8.9,7.3,8.1,11.1,13.9,17.1,18.9
1979,23.5,22.9,19.1,15.2,11,9.4,7.3,8.4,11.6,15.1,19.4,23
1980,22.2,22,20.7,16.6,13.3,9.4,7.9,9.6,13.3,17.1,20.2,21.6
1981,24.4,22.4,19.2,16.8,11.9,8.7,7.8,8.4,13,15.6,16.2,20.9
1982,22.8,22.2,18.7,15.5,10.8,8.1,6.8,10.6,11.9,14.8,20.1,21.7
1983,23,24.5,21.8,14.9,12.5,8.6,7.4,9.1,12.7,15.2,17.1,20
1984,20,20.6,17.4,15.3,11.1,9.6,7.6,9.3,10.4,14.9,18.4,19.4
1985,22.6,20.8,20.2,16.4,12.6,8,8.1,9.1,11.3,14.7,17.3,19.7
1986,20.1,21.2,20.9,16.7,12.8,8.1,8,8.9,12.1,13.6,16.6,19.2
1987,23.2,22.7,17.5,15.8,11.9,9.7,7.4,10.7,12.2,14,17.7,20.1
1988,22.5,19.5,18.2,15.6,12.3,9.3,9.4,9.7,12.8,16.9,18.2,21.2
1989,20.2,20.8,20.2,16.8,13.8,9.3,7.4,7.7,11.1,15,17.3,20.1
1990,22,20.6,18.9,16.2,12.6,8.3,8.5,8.4,11.2,14.5,18.6,23.4
1991,23.4,24.1,20,15.7,13.1,11.7,8,8.7,11.7,16.6,17.8,19.1
1992,21.3,20.1,19.1,15.7,11.7,8.3,8.5,8.9,10.9,14.8,15.9,18.8
1993,23,21.7,18.1,16.2,12.1,8.5,10.1,9.8,11.6,14,17.2,19.6
1994,22.7,21.8,17.4,15.6,11.9,9.5,7.9,8.6,11.5,14.9,19,21.4
1995,20.4,20.9,19,14.4,13.5,9.5,7.7,11.2,12.1,15.5,18.8,18.5
1996,21.2,19.7,18.9,14.9,13.6,10.1,8.3,9.6,12.3,14.9,16.7,19.7
1997,20.3,22.7,19.3,15.9,13.2,8.9,7.5,8.8,12.5,15.1,20.9,22.7
1998,23.1,22.6,21.6,17.1,12.7,9.4,8.2,10.8,13.2,14.1,16.1,20.7
1999,23.3,21,20.1,14.7,12.9,9.9,9.5,9.7,13,15.8,15.2,19.2
2000,19.7,22.1,20.6,15.6,11.3,8.1,8.2,8.9,13.5,14.4,18.3,20.9
2001,24.1,23,18.9,16.3,11.4,9.3,8.9,9.1,13.1,14.3,17.4,20.7
2002,22.3,20.6,19.4,17.2,11.9,9.3,7.8,10,12.6,17.2,21.4,20.9
2003,22.9,23,18.4,15.4,12.9,10.4,8.5,9.2,12.3,13.5,17.1,20.9
2004,23.8,24.3,19.7,17.1,11.4,9.4,8.2,9.7,12.2,15.6,17.7,20.4
2005,22.7,21.5,18.7,18.2,12.4,10.5,9.3,9.2,12.7,16.3,18.5,22.6
2006,24.7,23.5,21,14.7,10.8,7.2,7.7,9.1,12.7,15.6,18.4,19.4
2007,22,21.9,19.8,15.1,12.2,7.3,7.3,11.1,12.1,16.5,17.7,19.4
2008,21.5,19.1,18.2,13.8,10.2,10,7.2,7.3,12.2,15.8,17.1,19.6
2009,22.4,21.4,19.2,15.2,11.6,9,7.8,10.4,12.8,14.4,20.2,20.5
