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