1901,18.3,18.7,16.9,12.2,11.2,9.4,10.2,10.4,13.4,15.4,15.9,17.9
1902,17.9,20.6,17.9,15.1,12.7,11.8,10.7,8.3,13.9,13.8,17.3,18.5
1903,17.9,19.3,18.2,13.7,10.1,10.6,8.9,10.3,13.8,13,16.2,17.6
1904,17.4,17.9,18.1,14.6,9.2,8.7,10,10.4,13.2,13.2,16.2,16.9
1905,17.3,17.8,16.9,13.6,11,10.2,8.5,10.5,13,16.2,15.3,17.4
1906,19.3,19.5,18,14.6,13.1,10,10,10.9,11.9,14.8,16.5,17.2
1907,18.3,19.3,19,14.8,9.5,9.6,8.8,9.5,13.5,14,16.1,18.9
1908,18.7,18.3,16.9,14.5,11.2,10.8,10.4,9.3,12.9,13.9,16.2,17.9
1909,19.1,18.8,16.8,14.6,8.7,9,9.6,12.4,13,13.5,15.4,16.1
1910,19.4,18.1,17.2,15.8,10.5,11,8.4,11.7,12.4,13.4,16.3,17.3
1911,19.7,19.4,16.2,14.4,11.9,7.9,8.3,9.8,12.2,13.4,17.2,18.7
1912,19.4,20.5,18.2,15,12.6,11.2,7.9,10.8,11.2,14.3,17.1,18.6
1913,16.7,18.1,16.7,14.7,11.2,8.3,11.1,10.3,12.4,14.2,16,16.8
1914,18.7,18.3,17.8,14.9,10.6,12,12.3,10.1,12.6,14.3,16,16.6
1915,18.8,20.6,15.9,16.2,13.3,6.9,8.2,11.1,11.6,13.3,14.4,16.9
1916,18.1,16.7,15,14.2,11.2,9,6.8,9.4,13.8,13.1,16.2,16.8
1917,19.1,18.2,16.3,12.4,8.8,8.2,6.9,8.5,12.8,12.4,13.9,17.5
1918,18.5,17,15.9,13.4,9.8,8.1,7.3,9.4,12,13.5,16,16.6
1919,18.4,17.3,17.3,14.9,13,10,10.3,8.9,9.4,13.5,15,17.5
1920,18.9,19,18.1,15.6,11.3,9.1,7.4,8.6,12,14.4,16.9,17.6
1921,18.7,18.6,17,13.6,12.9,7.3,7.4,11.1,11.8,13.7,15.5,19.4
1922,18.6,18.4,16.9,14.6,10.9,8.3,10.1,11,12.7,11.9,16.3,17.4
1923,19.1,19.1,18.3,16,9.3,9.4,7.2,11,12.7,13.8,15.9,18.8
1924,17.9,18.4,17.9,13.2,9.7,10,8.2,8.6,11.3,12.5,14.5,18.3
1925,18.4,19.9,17.4,15.5,11,7.5,7,13,12.9,13.3,16.3,18.7
1926,19.4,18.9,19.5,14.8,10.4,11.4,8.5,11.7,14.4,15,17.1,18
1927,19.2,19.5,18.2,14.7,10.9,8.8,8.9,10.3,13,14.2,16.4,17.2
1928,19.6,19.4,17.9,16.1,11.2,8.7,8.5,9.8,11.9,14.2,17,18.2
1929,19.8,19.3,17.4,14.3,10.5,8.6,8.6,10,12.1,14.5,16.3,18.3
1930,18.9,18.6,17.8,15.3,12.2,13.4,8.9,10.4,11.8,13.6,16,18
1931,20,19.8,18.4,14.1,9.6,8,9.5,11,11,14.2,15.3,18.6
1932,19.2,19.3,18.1,15.6,10.5,8.9,11.6,9.2,12.9,15,17.1,17.7
1933,19.9,20,18.4,15.6,12.8,9.2,7.3,11.6,13.5,15.9,16.3,18.5
1934,19.7,18.5,19.1,13.5,12.5,12.2,9.4,11,13.3,13.9,17.3,18.1
1935,19.9,20,19.7,13.9,11,12.1,9.5,10.6,11.7,13.6,16.2,18.9
1936,20.1,18.8,18.6,14.6,14.6,11.8,9.5,9,13.2,15.4,16.6,18.8
1937,18.7,19.2,17.6,13.3,10.4,11.3,10.3,13,12.9,13.8,16.2,18
1938,19.5,18.7,18.7,13.8,11.7,11,9.8,10.3,13.4,14.3,16.7,18.6
1939,19.3,18.9,17.7,13.4,13,11.6,8.1,12.5,13.1,16.1,15.5,17.3
1940,18.5,17.8,16.9,14.9,14.3,12,12.5,10,13.2,13.3,15.9,20.2
1941,19.7,20.1,17.2,16.5,11.7,7.4,9.3,11.8,8.7,14.7,15.8,17.6
1942,19.7,19.6,17.9,14.4,10,7.5,6,11.3,11.9,13.7,16.5,17.7
1943,19.8,18.9,18,13.4,13,10.7,10.7,7.1,12,15.7,16.1,17.7
1944,19.5,19.4,17.6,13.3,12.4,11,9.4,12.7,15,17.4,15.7,19.6
1945,19.9,19.7,17.9,14.7,10,8.5,10,14,13.5,16.7,16.8,18.1
1946,18.2,20.2,17.2,13.9,12.2,9.3,7.6,12.8,15.1,15.1,17.8,17.7
1947,19.7,20.4,17.5,15,12.7,12.1,7.8,10.2,12.8,13,16.3,17.8
1948,21.2,19.3,17.4,14.9,11.6,11.7,10.4,9.5,14.4,14.5,16.3,18.9
1949,19.8,19.6,19.7,14,12.1,11.7,10.5,11.3,13.1,13.3,17.6,18.3
1950,18.5,19.1,16.7,15.9,14.1,11.2,10.4,13.6,13,14.1,16.2,18.6
1951,18.9,18.3,16.9,14.1,12.5,10.5,9.5,9.8,13.4,14.6,17.1,17.6
1952,20.1,19.1,18.6,12.1,13.5,8.8,10.3,12.8,12.1,13.6,16.6,18.5
1953,20,19.4,19.2,14.2,13,10.9,6.1,12.7,15,14.6,16.6,19.2
1954,19.5,20.2,17.8,15.4,10.9,12.3,9.9,11.9,13.7,13.9,18.5,17.8
1955,19.9,21.4,17.8,15.6,11.4,10.8,6.4,10.5,13.9,13.6,16.5,19.1
1956,19.3,20,17.7,13.8,9.1,8.9,9.1,10.1,14.5,15.3,16.6,18.7
1957,19.2,18,18.3,14.3,13.7,10.6,8.2,11.4,12,16.7,17.4,19.2
1958,21,21,18.2,14.5,12.1,12.4,12,10.2,12.9,14.8,16.5,18.2
1959,20,19.8,18,15.4,11.8,10.7,11.6,10.4,14.4,15.2,16.9,17.7
1960,20.4,18.5,17.5,14.7,9.3,10.5,10.7,11.1,13.1,15.8,16.2,19.3
1961,20.2,20.5,18,15.6,12.8,11.8,10.9,12.8,14.9,16.2,17.7,19.2
1962,18.5,17.4,17.9,14.9,10.9,8.3,6.7,9.1,14,13.1,16.8,20.3
1963,20.7,20.3,19.7,15.5,12.7,9.5,11.7,12.6,15.6,17,17.7,18.9
1964,20.5,19.8,18.6,17.1,12.4,8.7,7.1,11.4,13.6,14.1,15.7,17.5
1965,19,19.1,16.3,14.9,12.4,13.4,9.6,12.6,13.9,15.5,17.6,19.2
1966,19.6,19.7,17.6,15.9,12.3,11.1,10.6,9.4,11.6,15.1,17.7,19.5
1967,18.2,19,17.1,14.2,13.1,8.3,10.5,13,15,17.2,16.4,18.3
1968,18.5,18.7,17.9,10.7,7.4,10.7,9.9,10.5,10.8,14.8,18.9,18.5
1969,18.8,20.7,17.8,14.5,12.4,9.5,9.5,9.5,13.6,13,17.5,17.3
1970,18.9,19.3,18.8,15.6,12.9,10.4,9.2,9.7,11.6,14.6,13.2,16.8
1971,18.5,19.1,17.2,12.4,10.1,8.4,8.6,12.4,12.5,12.8,14.9,16.4
1972,18,17.3,17,12,12.7,12.8,9.3,10.5,13,13.5,16.3,17.2
1973,20.1,20.5,17.7,17.4,12.1,11,9.9,8.6,12.2,14.7,14.5,17.2
1974,19.4,19.6,17.8,13.5,12.3,8,9,9.3,11.5,12,14,17.5
1975,17.9,19.3,18.3,14.5,11.3,10.5,7.2,12.2,13.6,13.3,15.8,17.6
1976,19.4,18,16.1,12.6,10.9,8.6,9,9.3,10.8,13.2,15.5,17.3
1977,19.4,20.8,18.7,13.4,12.2,11.2,13.5,11,13.7,16.3,16.5,18.8
1978,19.9,20,18.6,11.6,8.7,10.1,11.8,9.2,13.1,15.3,16.6,18.7
1979,18.3,19,17.5,13.6,10.4,8.2,9.1,12.9,11.3,15.6,15.3,18.2
1980,17.9,19.7,19.6,16.7,13.7,9.1,8.4,10.8,9.7,14.6,16.1,18.4
1981,19.7,19.7,16.9,15.1,14.1,8.2,7.9,9.6,13.3,13.7,17.3,16.9
1982,18.1,19,17.8,15.1,11.6,11,11.3,13.3,14.2,14.8,16.2,17.5
1983,20,19.9,16.7,15.9,13.9,8.6,11.1,10.8,10.4,15,15.9,18.8
1984,20.3,21.2,18.6,14.1,13.6,11.6,10.7,9,12.7,17.3,16.9,16.6
1985,18.9,20.4,17.9,16.2,11.7,9.6,9.2,11.9,13.6,15.2,18.1,19.8
1986,19.6,19.1,17.6,17,13,12.2,9.9,12.2,12.7,14.2,18,18.6
1987,19.9,17.9,17.4,16.6,10.1,8.7,13.2,10.1,11.9,14.7,17.6,17.4
1988,20.1,18,19,14.7,10.5,8.6,6.9,11.6,14.7,13.3,16.5,18.8
1989,18.2,18.7,17.3,15.6,11.5,10.2,7.5,10.3,11.5,13.6,16,19.1
1990,19.1,19,18.7,17.2,11.3,9.2,7.7,10.5,11.1,17.1,19.2,18
1991,19.1,18.2,18.8,15.6,13.6,11.1,9.4,11.5,15.3,15.3,16.7,18.8
1992,18.5,20.4,18.4,15.1,13.6,13.4,7.6,9.4,12.8,14.7,16,18.7
1993,19.9,19.1,18.3,16.4,12.2,10,9.3,9.3,12.1,16,16.4,19.1
1994,19.2,19.5,16.8,15.6,16.5,13.7,10.7,11.5,12.8,16.8,16.4,19.6
1995,19.4,19.3,17.6,13.7,11.3,11.5,13.1,12.5,13.8,13.4,17.3,18.5
1996,20.1,19.4,17.8,16.3,13,9,7.7,12.7,12.4,14.6,17.4,18.7
1997,19.9,20.1,17.2,13.9,12.3,10.9,12.4,11.9,14.9,16.5,18.3,20.1
1998,21,20.3,18.1,16.1,12.1,10.3,11.8,12.2,12.5,15.7,16.9,18
1999,19.3,19.7,19.7,15.3,11.4,10,10.5,10.9,15.1,15.1,16.1,18.7
2000,20.3,19.3,18.3,16.1,11.5,12.8,6.5,11.3,13.5,17.1,16.6,18.9
2001,20.8,20.9,19.6,17.9,12.1,10.6,10.5,14,14.9,16.4,17.9,18.5
2002,19.7,19.2,21.1,17.9,14.6,12.4,11.6,11.6,13,17.7,17.5,20.1
2003,20.7,20.7,19.1,15.1,12.6,13.7,10.5,9.2,13.1,15.7,17,19
2004,17.8,18.5,17.3,17.3,11.1,11.3,10,10.7,15.7,14.9,16.4,18.2
2005,19.8,20,18.5,16.7,14.6,11.1,9.5,12.8,10.9,16.2,17.1,18.9
2006,20.6,19.4,19,15.3,10,10.8,12.6,11,12.7,17.5,17.3,20.1
2007,20.4,20.3,19.1,17.4,11.1,11.6,7.9,10.8,15.8,18,16.2,19
2008,19.3,19.1,18.1,14.7,11.1,10,11.9,11.7,11.7,16.3,17.3,19.4
2009,19.1,20.2,19.2,16,13.7,8.1,7.7,11.5,14,15.7,19.8,19.8
