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