1901,19.4,18.2,15.4,15.3,10.1,7.7,8.1,11,13.2,14.8,16.5,18.2
1902,17.8,18.3,17,14.6,11.7,8.1,9,10.5,14.3,14.6,16.4,18.5
1903,19.3,17.9,16.7,14.4,12.5,8.3,8.5,11.5,12.7,15.4,16.3,18
1904,18.6,17.2,16.2,14.4,11.8,9.3,8.6,11,13.3,15.3,17.3,17.2
1905,18.7,17.1,15.4,14.4,11.3,8.3,8.6,10.3,14,15.9,16.3,18.3
1906,19.6,17.1,16.3,13.3,11.5,9.1,8.4,10.3,13.2,14.2,15.8,17.6
1907,18,17.6,17.1,13.1,11,8,7.7,10.6,13.5,14.1,15.8,17
1908,17.8,17.4,16.2,12.8,10.8,9,8.4,11.1,14.4,15,16.3,18
1909,18.2,16.8,15.7,13.4,11,8.6,9,11.4,13,15,15.8,17.9
1910,17.4,16.5,16.4,13.6,10.6,7.3,8,10.2,12.9,14.3,14.8,16.9
1911,17.7,17.8,16,13.1,9.6,6.8,7.6,9.6,12.9,16,16.3,19.2
1912,18.4,18.2,16.1,14.1,11.5,7.7,8.2,10.6,13,15.3,17.5,18.2
1913,18.4,18.1,16.4,14.3,11.3,8.7,9.3,11.4,13.4,15,16.8,18.3
1914,19.1,17.8,16.9,14.5,11.7,7.9,8.6,10.2,15.3,15.7,16,18.5
1915,19.5,18.2,17,14.4,10.4,8,7.5,11,13.4,14.9,16.3,17.3
1916,17.7,18.1,16.3,14.3,9.7,8.2,9.2,10.1,14.1,16,16.9,18.2
1917,18.1,17,16.6,13.5,10.4,8,7.6,9,12.6,14.8,15.8,17.3
1918,16.5,17.7,16.3,13.4,9.8,7.8,8.6,9.6,14.6,16.4,16.6,18
1919,18.5,17.9,16.8,15.1,10.1,8.7,9,10.3,12.9,15.7,15.3,18
1920,18.8,17.1,15.8,13.9,11,7.4,9.1,11.2,13.9,14.9,17.4,18
1921,17.8,17.8,16.9,13.4,10,8.7,7.2,10,13.5,15.3,15.6,17.3
1922,18.5,17.5,16.9,14.5,10,8.1,9.1,11.4,14.7,15.7,16.8,18.2
1923,18,17.7,17.2,13.8,10.5,8.1,8.9,11.2,14.6,17,17.9,17.5
1924,18.1,16.4,16.2,13.4,10.6,7.8,7.4,10,13,15,16,16.9
1925,17.6,18.3,16.5,14.2,10,7.8,8.1,11.2,13.2,15.2,16.8,18.8
1926,19.4,19.4,16.8,14,10.9,8.4,7.4,10.6,13,15.5,16.1,18
1927,18.8,18.1,16.8,14.5,10.6,8.1,9,10.8,14.9,15.7,17.3,17.9
1928,17.9,17.2,16.8,13.8,10.5,9.5,8.7,10.1,14.1,16.1,17.7,18.7
1929,17.9,17.5,15.4,13.6,11.6,8.7,8.4,10.1,14.1,15.8,16.8,17.7
1930,17.6,16.9,16.4,13.6,10.4,7.7,8.8,9.9,12.7,15.3,16.9,18.9
1931,17.8,18.5,16.8,13.6,12.4,8.3,8.1,11.4,14,15.6,16.6,18.6
1932,17.9,18,17.7,15.5,11.5,9.5,8.8,11.1,15.8,16.3,17.9,18.2
1933,18.5,18.2,17.3,14.2,12.1,9,9.4,10.9,13.8,16.4,16.3,17.8
1934,18.3,17.7,17.4,15.2,12.8,9.7,8.9,12.2,14.2,16.1,17.1,18.1
1935,18.4,16.5,16,13.9,11.3,8,9.3,9,14.4,16.4,16.7,17.6
1936,18.6,17.6,17.1,14.3,11.1,9.2,9.3,11.5,13.9,14.7,16,18.4
1937,18.7,18.3,17.7,14.2,12.4,9,8.5,10.9,13.5,15.5,17.9,17.3
1938,18.5,18,17.6,15.1,11.7,8.9,9.4,10.9,14.5,16.2,16.8,18.6
1939,18.1,18.5,16.6,13.5,12.2,8.7,8.3,10.8,12.3,16.2,16.3,17.8
1940,18.8,18.9,18,14.8,11.4,9.1,8.3,11.8,14.5,14.8,16.8,17.9
1941,18.1,18,16.8,15.5,13.2,9.4,9.5,12,14.4,17.6,18.3,19.6
1942,19.2,19.3,17.8,14.4,11.2,9.4,9.2,11.8,14.1,14.7,16.7,17.6
1943,18,17.6,16.5,14.4,10.2,7.9,8.5,9.2,13.2,16,16.8,16.7
1944,19.9,17,16.9,14.8,10.2,8.4,9.4,13.5,14.2,16.8,18.3,19.2
1945,18.4,19.1,16.7,14.8,10.7,7.6,8.8,11.3,16.1,16.1,18.4,19.3
1946,18.3,18.4,17.8,15.8,12.7,8.7,9.7,10.9,16.1,16.7,17.7,19.2
1947,18.8,19.3,16.9,15.4,11.6,9.1,7.8,12.8,13.7,16.9,18.3,17.8
1948,17.7,17.3,17.2,13.9,12,9,9.5,12.1,13.8,16.7,16.5,19.5
1949,19.8,17.4,16.2,15.1,10.9,9.6,8.7,11.4,15.4,16.2,16.5,18.3
1950,18.2,18.6,18.6,15.1,10.6,9.7,9.4,10.9,15.7,15.4,17,18.6
1951,17.6,18.4,17.3,15,11.1,7.5,7.4,10.1,13.5,16.7,18.2,19.1
1952,19.3,18,18,15,11.3,9.6,8.7,11.8,13.6,17.1,16.3,18
1953,19.4,18.4,16.5,14,11.8,8,7.3,10.8,12.5,16,16.6,18.2
1954,17.7,18,16.7,14.1,11.9,7.3,7.7,10.7,14.4,16.6,16.4,18.4
1955,17.6,17.5,16,14.5,11.5,8.7,8.8,10.6,13.4,14.4,16,17.3
1956,18.2,18.1,17.7,15.1,11.3,9.3,9.6,12.3,12.8,16.2,16.7,17
1957,19.1,19.1,17.3,15.2,11.6,8,9.9,10.9,14.6,15.8,18.8,18.5
1958,19,18.8,17.7,15.5,13.2,8.4,9.7,11.5,13.9,16.2,19,18.1
1959,18.2,18.5,17.6,15.9,10.9,10,9.4,10.8,13.7,16,16.6,18.1
1960,18.7,18.3,17.8,13.2,10.9,8.8,8,12.6,14.6,17.1,16.8,18.3
1961,18.7,18.8,18,14.7,12.4,9.9,9.8,9.9,15.4,16.2,17,17.5
1962,18.5,19.1,17.3,14.5,10.9,9.5,9.3,11.8,15.6,17.3,17.3,18.7
1963,17.8,18.1,16.6,13.6,10.5,8.6,8.2,11.3,16.2,17,17.7,19.3
1964,18.7,19.4,19.4,14.4,11.6,7.7,7.2,10.8,15,15.3,16.9,17.6
1965,18.6,19.4,18.1,14,11.9,7.1,9.1,12.7,14.2,14.3,17.2,19.1
1966,20,18,18.2,13.8,11.9,9.7,9.8,12,13.8,16.4,17.9,18.9
1967,19,17.6,16.7,14.5,11.7,8.6,7.4,10.9,14.3,16.2,17.3,18.6
1968,19.7,18.2,16.3,13,11.5,6.2,10.6,12.4,14.4,16.5,15.7,19.5
1969,20.6,20,17.2,14.8,10.9,9.4,9.9,11.5,14,15.5,17.5,18.4
1970,19.5,17.5,17.3,14.5,12.2,9.3,9,12.6,16,15.4,18.2,19.2
1971,18.7,17.6,18.6,15.6,10.6,8.9,8.8,11.2,15,15.4,15.9,17.9
1972,18,17.2,17,14.9,10.8,7.7,9.1,11,15,17.1,16.2,20.1
1973,19.8,17.6,19.3,13.5,11.8,8.8,9,10.4,14.6,15.9,16.3,17.4
1974,18.7,18.2,17.5,13.3,10.8,8.9,9.1,10.8,13.7,17.1,16.9,17.8
1975,18,17.3,16,13.7,12.1,9,8.7,11.3,15.6,15.2,16.7,17.4
1976,17.4,17.8,17.5,13.6,10.1,8.7,9.1,10.7,15.3,15.1,16.8,18.6
1977,19.3,18.6,16.2,15.6,11,9.6,9.3,11.3,14.8,17.4,17.8,19.3
1978,18.1,18.1,17.9,13.5,11.5,7.3,9.3,14,14,15.2,17.5,17.8
1979,18,19.2,17.5,15.9,12.1,9.3,8.4,12.1,14.1,16.6,17.2,18.2
1980,18,18.4,17.6,14.5,12.1,8.7,8.3,11.1,13.3,16.8,17.3,18.9
1981,19.7,17.8,16.6,14.2,10.9,8.1,9.2,10.3,12.6,13.1,18.4,18
1982,19.4,18.9,17.5,13.8,12.2,9,9.5,11.9,15.2,15.8,16.9,19.6
1983,20.7,19.1,18,17,13.1,10.1,10.1,10.5,16.1,15.4,17.8,18.5
1984,18.3,18.1,17.8,14.1,12.1,8.5,9.6,12.3,15.3,17.4,16.3,18.9
1985,19.9,19.1,18,14.9,11.3,9.7,9.2,12.9,15.2,17.1,18,18.7
1986,19.3,18,17.9,15.5,12.8,9.4,9.6,13.2,14.7,15.8,16.9,19.1
1987,19.9,20.9,18.4,16.9,13.7,8.6,9.1,11.3,13.5,15,18.2,20
1988,20.2,19.8,19,15.3,12.2,8.8,9.6,12.9,14.9,15.8,16.4,17.9
1989,18.4,17,18,13.8,13,10,9.7,13.5,14.5,15.7,17,18.4
1990,18.9,18.1,17.7,15.4,11.3,9.7,10.6,11.3,14.7,16.8,18.4,18.7
1991,19.2,18.9,17.5,14.6,12.2,9.8,9.9,12.7,15.6,17,18.1,18.3
1992,20.2,20.9,18.8,17.2,13,9.8,10.1,11.4,17.5,18.1,18,20
1993,19.8,18.9,17.7,15.7,13.6,9.7,11,12.2,16.9,17.2,17.3,19.2
1994,18.6,18.2,18.1,14.9,12,8.9,8.2,11.8,15.4,14.8,18,18.7
1995,19.7,19.5,18,14.5,11.8,9.4,10.3,12.7,16.1,17.4,17.9,17.5
1996,19.3,18.8,16.9,13.9,11.9,9.5,8.1,11.2,15.4,17.4,17.7,19.1
1997,19.1,19.6,17.5,13.4,10.8,9.9,9.7,13.1,15.5,15.6,16.8,19
1998,19.3,19.5,19.2,16.2,11.7,10.6,10.9,12.1,16.4,16.9,18,18.4
1999,19.3,19.1,19.3,15.7,12.8,10.3,10.5,12.3,14.5,15.8,18.6,19.3
2000,18.1,18.5,18.1,13.9,10.4,9.6,8.8,12.1,14.5,15.9,16.9,18.7
2001,18.9,17.9,17.7,14.9,11.9,10.2,9.4,12.9,14.5,16.5,17.3,18.7
2002,19.3,18,18.3,15.8,12.3,9.4,9.5,12.8,14.7,16.6,17,19.2
2003,19.9,20.2,18.7,16.4,12.4,9.4,8.9,11.5,14.6,16.7,18.5,19.6
2004,18.2,19.3,17.9,15.8,12.4,9.2,9.1,13.2,14.2,16.8,19.7,20.3
2005,19.8,19.8,17.5,15.1,12.9,10.6,10,13.4,16.2,17.4,18.5,18.4
2006,19.6,19.5,16.9,15,10.8,9,10.6,11.7,14.6,17.6,18.1,19.9
2007,19.5,20.1,18.3,15.7,11.8,9.5,9.4,12.1,16.5,15.7,18,18.2
2008,18.7,19.4,18,14,13,9.6,10.1,12.7,15.2,16.6,18.3,19.4
2009,19.5,18.6,17.5,15.1,12.3,10.6,8.9,11.8,15.5,16.9,16,19.4
