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