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