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