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