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