1901,20.9,20,17.2,17.6,12.8,9.9,9.5,11.6,13.8,14.5,17.3,18.7
1902,18.9,19.8,18.5,16.5,13.9,10,10.4,11.5,14.3,15,16.8,18.7
1903,20.3,19.3,17.9,16.2,14.2,10.3,9.8,12.4,13.8,15.9,16.7,18.5
1904,19.8,18.9,17.9,16.7,13.9,11.1,10.2,11.9,13.7,15.4,17.7,18.1
1905,19.6,18.5,17,16.6,13.6,10.4,10.4,11.1,14.2,15.8,16.6,18.5
1906,20.7,18.9,17.9,15.6,13.5,11.2,10.1,11.3,13.5,14.5,16.6,18.1
1907,19.3,19.3,18.8,15.5,13.1,10.1,9.6,11.9,14,14.5,16.4,17.7
1908,19,19.1,17.8,15.3,12.9,10.6,10,11.8,14.4,15,17.2,18.5
1909,19.4,18.4,17.6,16.4,13.2,9.9,10.7,12.2,13.5,15.1,16.4,18.3
1910,18.9,17.7,17.5,14.9,12.1,9,9.3,10.7,12.8,14.6,15,17.2
1911,18.6,19.4,17.3,15.3,12.5,8.8,9,10.6,12.7,16.3,16.5,18.5
1912,18.8,19.4,16.6,16.7,13.9,10.5,9.6,11.5,13,14.7,16.7,18.3
1913,19.5,20,17,16.5,13.5,10.4,10.6,12.1,14.1,14.8,17.3,17.7
1914,19.7,18.8,18,16.5,14.3,9.9,9.9,11.1,14.7,15.7,16.9,19.3
1915,21,19.2,18.4,16.9,12.8,9.8,10.1,11.1,13.7,14,16.1,17.3
1916,18,18.4,17.2,15.9,11.6,10.3,10.1,10.7,13.9,15.4,17.1,18.6
1917,18.8,18.3,18.1,15.6,12.8,10.4,9.6,10.3,13.5,14.4,16.8,17.6
1918,18.1,18.9,18.1,14.9,11.7,9.4,10.1,11,14.9,16.2,17,18.2
1919,19,18.8,17.8,17.3,12.4,10.6,10.6,11.1,13.1,15,16.1,17.6
1920,19.9,18.8,17.6,15.3,13.2,8.9,10.5,11.9,14.1,15,17.4,17.2
1921,18.4,19.8,17.7,15.2,12.5,10.4,9.2,10.9,12.8,15.1,17,18.2
1922,19.6,18.9,17.8,15.5,12.4,10.5,10.5,12.4,14.8,15.9,17.3,18.6
1923,19.5,19.4,18.6,15.7,12.4,9.9,10.3,12,14,16,18.4,17.9
1924,18.7,18.1,18,15.1,12.7,9.8,9.3,10.9,13.4,14.7,17,18.2
1925,19.1,20.1,19,16.4,13.2,9.5,10,11.5,14.2,15.1,17.2,18.4
1926,20.2,20.4,17.8,15.5,13,10.8,9.6,10.9,13.8,15.2,16.2,18.4
1927,19.3,18.9,17.7,16.4,12.1,9.9,10.6,11.4,14.1,15.4,17.3,18
1928,19.1,18,18.1,16,12.7,10.7,9.7,10.7,13.5,15.7,17.1,18.8
1929,18.8,18.5,17,15.6,13.3,10.9,9.9,11.3,15.4,15.8,17.4,18.4
1930,19,18.2,18.2,16.1,12.2,9.7,9.8,11,13.2,15,16.5,19.1
1931,19.4,20.1,18.3,16.1,14.1,10.5,10.4,12.1,13.9,15.8,17.5,18.8
1932,18.7,19.2,18,17.2,13.3,11.1,9.4,11.9,15.6,15.3,17.5,18.4
1933,18.7,18.8,18.1,16.2,13.6,10.6,10.5,11.8,14,15,16.9,17.8
1934,18.8,18.3,18.2,17,14.6,12.1,10.3,13,13.8,15.3,17.2,18.4
1935,18.4,17.2,16.6,15.4,13,10.1,10.1,10.1,13.8,15.1,16.6,16.8
1936,18.2,18.4,18.4,15.7,12.3,10.4,10.4,12,13.4,14.2,15.9,17.5
1937,18.9,19.8,18.4,15.8,13.3,10.8,9.9,11.8,13.5,14.9,16.9,17.6
1938,18.7,18.3,18,17.4,13.5,11.2,11,12.1,14.7,16.1,17.2,18.8
1939,18.8,20.2,18,16.3,13.9,10.7,10.4,11.5,12.8,16.2,16.5,17.4
1940,19.1,19.3,19.2,16.1,13.4,11.1,9.5,12.4,15.3,15.2,17.5,19.9
1941,19.6,19.9,18.2,17.4,14.6,10.7,10.5,12.2,14.3,16.8,17.5,19.2
1942,20.9,20.2,19.3,16.7,12.9,10.8,10.5,13.4,14.5,15.9,17.5,18.5
1943,19.4,18.3,18.6,17,13.5,10,10.9,12.2,14.1,16.4,18.5,18.1
1944,20.4,19.3,18.1,15.7,12.1,11.3,10.9,12.7,15,16.8,17.7,18.1
1945,18.3,19.7,18.2,16.6,12.2,9.6,9.8,11.1,14.9,15.8,17.3,17.7
1946,19.6,19,18.9,17.3,14.2,10.8,10.5,11.7,14.4,16.4,18.1,18.6
1947,19.5,19.9,18.2,17.3,13.2,11.8,9.2,12.4,14,16.4,18.2,18.6
1948,19,18.9,18.6,16.1,14.2,10.7,11.3,12.2,13.8,16.1,16.6,18
1949,20,18.6,18.3,16.4,13.5,12.3,10.5,12.6,14.9,15.7,17.7,18.8
1950,19.1,19.5,20.1,17.3,13.7,11.6,12,12.7,14.8,14.7,16.8,19.1
1951,18.2,18.5,18.1,17,14.5,9.4,9.8,11.4,13.9,16.3,17,18
1952,19.9,19.8,18.6,16.5,13.7,12.1,12,12.9,14.4,16.2,18,18.2
1953,20.1,19.7,18.2,16.2,14,10.5,9.6,12.1,13.4,16,17.7,19.2
1954,19.1,19.8,18,16,13.3,10.8,9.4,11.7,14.9,16.2,17.6,18.6
1955,19.4,19.4,17.7,16.3,13.7,11.2,10.7,11.6,13,15.1,15.7,18.4
1956,18.4,19.8,19.7,16.5,13.6,10.7,11.1,12.7,13.6,15.4,17.8,17.5
1957,20.5,20.9,19.4,17.2,12.8,9.9,11.7,11.8,15.8,16.8,18.7,19.4
1958,21.1,20.1,18.8,17.5,14.5,9.8,10.9,11.8,14.8,15.9,18.8,19.3
1959,19.4,19.4,18.7,17.1,13.3,10.5,11.2,12.2,13.6,16.3,17.5,19
1960,18.9,20,19.3,16.4,13,10.4,9.5,13.2,14.9,17.7,18.5,19.7
1961,20.5,20.4,20.1,17.9,14.9,13.2,12.2,12.4,15.6,15.1,17.8,17.9
1962,20.1,20.3,18.9,17.3,13.1,10.7,11.4,13.3,15.7,17.9,18.8,19.6
1963,19.7,19.7,17.9,16.2,12.7,11.1,11.1,12.8,16.2,17.7,19,19.4
1964,20,20,20.3,16.6,13.7,10,9.8,12.3,15.1,16.4,17.9,19
1965,19.5,20,18.7,16.1,12.8,8.8,11.5,13.2,15,14.2,17.5,18.6
1966,20.6,19.3,18.3,15.8,13.2,11.7,11,12.6,14.2,15.4,18.2,19.4
1967,20.4,20.3,18.8,18,15,10.7,9.5,12.2,14.4,16.3,18,19
1968,20.3,19.3,18.6,15.8,13.6,8.5,10.6,13,14.5,15,16.8,19.2
1969,21,21.2,20.5,17.7,13.8,11.5,11.4,12.2,15.2,16.9,18.4,19.1
1970,20.1,19,17.9,16,14.1,11.8,11,13,15.1,15.8,18.2,19.7
1971,20.4,18.9,19.5,18.3,13.4,10.5,10.2,11.7,15.4,16,17.3,19.2
1972,20.5,20.3,19.4,18.2,14.1,10.9,10.8,12.5,14.4,16.4,17.2,19.8
1973,20.2,19.3,20.2,16.1,13.7,11.8,10.9,11.9,15.1,16.9,18.3,18.9
1974,20.6,20,19.1,15.7,13.3,10.8,10.7,12.2,13.9,16.6,18.2,19.3
1975,19.8,19.9,18.2,17.1,14.2,11.6,9.1,11.8,16.6,15.9,17.7,19.1
1976,19.7,19.9,19.1,16.7,12.7,10.4,10.1,11.3,15,16.1,18.2,19.6
1977,20.4,21.2,18.5,17.5,13.2,11.6,10.2,11.9,15.8,17.4,17.7,19.1
1978,20.4,20.1,20.4,16.2,13.3,9.1,11.6,15.3,14.5,15.9,18.1,18.5
1979,18.9,20.3,18.6,17.6,14.6,10.7,10.4,13.4,14.5,16.4,17.7,18.5
1980,19.6,20.3,19.4,16.6,14.3,10.2,10.2,12.9,15.3,15.9,18.8,20.2
1981,21.1,20.8,18.9,16.3,14,10.9,11.2,12.2,14.4,14.7,18,18.8
1982,20.7,20,18.5,16.5,13.8,10.8,11,12.5,14.8,15.9,17.4,18.9
1983,20.7,19.5,19.1,18.7,15.2,12.8,11.7,11.8,14.9,16.4,19,19.7
1984,19.7,20.1,19,16.5,13.9,11.2,12.5,12.6,15.9,17.4,17.2,19
1985,20.5,20.9,19.7,16.9,13.4,11.9,11.3,13,15.6,16.8,18.4,19.3
1986,20.5,19.3,19.1,17.8,13.8,11.4,10.9,13.2,15.3,16.2,17.5,19.9
1987,20.7,21.6,20.2,19,15.3,10.5,11.7,12.6,15.7,16.4,19.1,20.8
1988,20.9,20.9,21.1,17.8,13.8,10.7,11.7,13.4,14.9,16.5,17.1,18.9
1989,19.5,19.5,19.8,16.5,14.3,12,11.2,14.5,14.5,16.1,18.4,19.6
1990,20.2,19.7,18.8,18,13.6,11.1,12.4,12.4,14,16,16.2,18.4
1991,19.9,20.2,20.1,17.5,15.1,12.5,11.8,12.7,16.1,17,18,19.1
1992,20.3,20.7,19.2,18,13.5,10.5,11.4,12.1,15.8,17.5,17.6,20.1
1993,19.9,20.2,19.4,17.8,16.1,11.8,13.2,13.2,15.9,17.4,17.8,19.2
1994,19.4,19.1,18.8,17.5,14.4,11,10.2,12,14.9,15.3,17.8,18.7
1995,19.9,19.7,19.2,16.8,14.7,11.5,11.4,13.4,15.4,17.1,18.3,18.8
1996,20.8,20.7,18.3,16.2,14.3,10.8,10.9,12.7,14.8,16.8,18.5,20
1997,20.8,19.9,19.6,16.5,14,11.6,12.5,14.3,16.9,16.9,18.4,19.8
1998,21,20.8,19.9,17.8,13.8,11.1,12.4,13,15.6,17.2,18.6,19.5
1999,21.6,20.3,20.2,18.2,14.8,11.8,12.5,13.4,15.5,16.3,19.3,21.2
2000,20.7,22,21.2,17.8,13.4,12.7,10.8,12.9,15,17.2,18.5,19.8
2001,20.1,19.8,19.1,18,14.1,12.1,12.1,13.9,15.1,16.9,18.7,19.9
2002,20.1,19.8,19.1,17.3,13.7,11.7,11,14.2,15.4,16.1,16.8,19.9
2003,20.3,21.8,19.7,17.9,14.1,12.1,10.5,11.8,14.7,16.5,18.3,19.7
2004,17.9,21,19.5,17.6,13.7,11,10.9,13.9,14.3,16.6,19.6,20.6
2005,20.7,20.9,18.8,17.5,14.6,11.9,10.9,13.5,15.5,17,18.9,18.2
2006,21.4,21.7,18.9,17.5,13.2,10.8,11.6,13.5,14.8,17.8,19.1,20.5
2007,20.3,20.1,18.4,17.7,13.3,11.4,10.6,12.2,15.5,16.8,18.2,18.7
2008,20.3,20,19.7,15.5,14.7,10.9,12,12.5,14.3,16.2,18.8,19.9
2009,20.6,20.4,18.5,16.2,14.4,12.9,10.8,12.6,15.1,16.9,17,19.4
