1901,21.5,20.5,20.3,18.6,16.6,14.8,14,13.9,16.3,18.7,21.7,20.1
1902,21.6,20.6,19.7,19.5,17.2,14.8,14.6,14.3,18.4,19.3,21,20.7
1903,21,20.4,20.4,19.3,17.7,15.7,13.9,15,15.7,18.3,20.3,20.4
1904,20.3,20.3,20,18.6,17.3,14.6,13.5,15,16,19.7,21.5,20.9
1905,21.1,20.4,19.7,18.2,17.5,16.1,14,15.2,16.1,19.8,20,20.4
1906,21.9,20.8,20.8,19.3,17.1,14.8,14,14.4,16.6,18.6,20.2,20.4
1907,20.9,20.5,19.6,18.9,17.1,15,13,14.8,17.2,20.3,20.6,20
1908,21.1,20.3,20.5,19,16.4,15.5,14,15.4,17.8,20.3,21.2,20.2
1909,20.6,20.4,20,18.9,16.5,13.9,14.8,14.8,17.7,18.3,20.8,20.1
1910,21,20.6,20,19.2,16.5,14.1,13.8,14.9,17.2,19.6,19.2,19.8
1911,20.7,19.9,19.7,17.8,16.3,14.4,14.3,14.7,17.1,19.6,20.3,21.5
1912,21.5,20.2,20.8,19.4,17.6,15.1,14.1,15.3,18.3,19.7,21.6,20.7
1913,20.4,20.2,20.7,18.2,17.8,14.7,13.7,15.6,17.4,20.2,20.4,20.2
1914,20.5,21,20.2,19.3,17.2,15.5,13.9,15.3,17.6,19.3,19.9,21.5
1915,21.2,20.8,20.3,19.7,17.3,14.8,14.7,14.3,16.7,20.2,20.6,20.6
1916,21,20.3,20.3,19.2,16.7,14.7,12.9,15,16.9,19.3,19.5,19.3
1917,20.3,19.3,19.5,18.7,17.6,15.2,14.6,14.8,16.5,17.5,20,19.5
1918,21.1,20,19.8,18.3,16.6,15.1,13.7,14.4,17,19.7,20.5,20.8
1919,21,20.7,20.3,18.2,15.8,14.7,13.2,15.9,18.2,19.2,21.3,21.1
1920,20.8,20.3,19.9,18.1,17.1,13.9,13.1,15,18.3,20.2,20.2,20
1921,20.5,20.3,19.5,18.1,16.7,14.7,13.9,14.8,17.2,19.8,20.3,19.9
1922,20.1,20.2,20,17.4,16.5,14.2,13.1,14.8,16.4,18.8,20.6,20.9
1923,21.4,20.7,20.6,19.4,17.5,14.9,14.7,14.4,17.8,19.6,21.2,20.7
1924,21,20.4,20.8,18.6,17.4,15,14.5,15.3,17.4,19.1,20.4,20.2
1925,20.7,20.5,19.8,19.3,16.4,16.1,15,14.6,18.6,19.7,20.4,20.8
1926,21.7,21.2,21.3,20.1,17.7,16.2,14.7,15.6,18.3,19.9,21.6,21
1927,21,20.8,19.8,19.1,17.1,15,13.6,15.3,17.4,19.6,20.6,21.3
1928,20.5,20.9,20.6,19.9,17.8,14.8,14.1,15.1,17.3,19.8,20.9,20.6
1929,21.4,19.6,21,19.5,17.1,15.6,14.8,15.2,17.4,20.5,21.1,20.3
1930,20.3,20.9,20,19,16,14.5,13.8,14.2,18.4,19,21,20.9
1931,20.4,20.4,19.8,18.7,16.8,14.5,14.1,14.6,16.3,18.4,19.5,20.2
1932,21,20.2,20.2,18.3,15.9,14.6,14,14.8,16.5,18.6,20.9,20.4
1933,20.8,20,19.6,18.7,16.7,14.5,14,14.7,15.9,19.1,21,20.4
1934,20.6,20.3,20.3,19,17,13.6,13.9,13.8,16.2,18.7,20.2,19.8
1935,20.6,20.2,20.3,18.4,17.3,14.8,12.8,15,17.7,19.4,19.8,20.2
1936,20.6,21.3,20.5,19,17.2,14.4,13.8,14.4,16.9,19.9,20.6,20.2
1937,20.5,20.7,19.8,18.9,16.6,15.4,13.8,14.6,18,18.8,21.6,20.7
1938,21.1,20.6,20.5,19.4,17.4,14.4,14.5,15.3,17.1,19,19.5,21
1939,21.1,20.9,20.1,19,17.3,15.1,14.3,14.4,17.3,19.3,20.6,20.1
1940,20.2,20.2,19.8,18.7,16.4,14.5,13.7,14.2,16.3,17.9,19.6,20.4
1941,19.7,20.3,20.1,19.4,16.8,15.4,14.1,14.9,17,18.9,20.3,20.9
1942,21.4,21,20.5,18.7,16.2,14.8,13.8,15.1,16.8,17.3,19.8,20.2
1943,20.2,19.6,19.4,19,16.3,14.4,13.7,14.9,15,18.1,19.9,20.2
1944,20.6,20.6,19.4,18.2,16.3,15.8,13.9,14.9,16.7,18,20.5,20.2
1945,21.1,19.9,20.2,19.2,16.4,14,13.6,14.4,16.5,19.6,19.8,20.1
1946,21,20.9,19.9,18.6,16.5,14.5,14.2,14.8,15.7,18.9,19.8,20.7
1947,21.2,20.8,19.3,19.1,16.5,14.6,15,14.2,16.3,18.4,20.1,20.9
1948,21,20.4,20.2,19.5,17.9,15.2,14.4,14.6,16.2,18.4,19.8,19.8
1949,21.2,20.2,19.7,18.3,16.7,14.6,14.1,15.2,16.9,19.1,20.2,21
1950,21.1,19.8,19.5,18.8,15.5,14.4,13.5,14.3,15.4,17.9,19.7,20.4
1951,19.4,18.7,19,18,16.2,14.1,14,15.3,15.9,18.1,18.9,19.9
1952,20,20,19.8,18.7,17,14.2,14,14.7,16.2,17.5,18.2,19.4
1953,20.1,19.6,19.5,18.4,16.4,15.7,13.9,14,15.7,17.4,19.8,20.4
1954,20.3,20.5,19.4,18.5,16.9,14.4,14.1,14.7,16,18.6,19.5,20.2
1955,20.5,20.2,19.3,17.7,16,14.1,14.3,14.6,16.2,17.9,19.3,19.9
1956,19.7,19.3,19.6,18.2,16,14.4,13.5,14.3,16.4,17.7,19.5,19.5
1957,20.6,19.5,19.2,18.1,16.1,14.1,13.7,14.5,16.8,18.5,20,20.2
1958,20.5,20.6,19.7,19.1,15.8,14.3,14,14.7,16.9,17.5,19.6,20.3
1959,20.2,20.1,19.6,17.7,16.4,14.4,13.7,14.5,16.2,17.5,19.7,20.2
1960,20.2,19.9,18.9,18,16.3,14.9,13.5,14.2,15.9,17.6,18.7,19.7
1961,20.3,21,20.3,19.9,17.9,15.8,15,14.7,16,18.5,19.7,20.3
1962,20.9,20.3,19.7,18.7,15.8,14.2,13.5,14.6,15.9,17.5,19.7,20.2
1963,20.2,20.1,19.3,18.7,15.5,14.4,13.9,13.4,15.7,18.4,18.9,19.7
1964,20,20.8,19.9,18.2,15.5,14.2,12.9,13.5,15.5,17.4,19.3,19.3
1965,19.3,19.8,18.6,17.8,15.4,13.6,13.6,14.5,16.1,17,18.8,19.7
1966,20.3,20.3,18.9,18.5,16.8,14.9,13.8,14.2,17.1,17.1,18.7,20
1967,20.7,20.5,20.4,19.2,17.3,15.3,14.6,14.4,16.6,18.2,19.2,19.4
1968,20.2,19.9,19.4,17.8,15.9,13.9,13.5,14.1,15.7,17.7,18.9,19.8
1969,20.6,20.6,20.8,19.7,16.9,14.3,14.2,14.4,16.3,19.4,20.3,21
1970,20.7,20.9,20,18.3,16.6,14.8,14.2,14.6,16.1,18.2,20,20.1
1971,19.9,20.3,19.5,18.8,16.8,13.6,13.9,13.7,15.6,18,18.9,19.9
1972,20,19.7,19.3,18.5,17.1,13.9,14.2,14.8,16.1,18,19.1,20.4
1973,20.4,20,20.1,18.1,16.7,14.6,13.6,14.2,16.4,18.3,19.8,19.6
1974,19.6,19.5,19.1,18.3,16.8,14.2,13.7,13.9,15.3,17.5,19.5,20
1975,20.1,19.5,19,18.8,16.2,14.3,13.6,13.5,15.2,17.1,19,19.6
1976,19.4,20,19.6,18.7,16.5,14.4,13.9,14.6,16,17.9,19.6,19.9
1977,20.4,20,19.6,18.1,16.7,14.8,14,14.8,16.3,18.7,19.5,20.7
1978,21.2,21,19.5,18.4,16.2,14.3,13.5,14.4,17,18.8,19.4,20.2
1979,19.9,20.1,20,18.2,16.1,13.9,13.8,14.5,16.8,18.4,19.5,20.1
1980,20.1,20.2,20,19.1,16.3,14.3,13.7,13.9,16.1,18.2,20.1,20.9
1981,20.9,20.3,19.7,18.1,16.1,14.1,13.1,14.5,16.3,17.9,19.7,20.3
1982,20.1,20.4,19.7,18.6,16.2,15.2,14.7,14.4,16,17.5,19.4,19.9
1983,20.4,21.2,20.6,18.9,17.2,15.4,14.5,14.4,16,18.1,20,20.2
1984,20.5,20.2,19.3,18.3,16.5,14.2,13.6,13.8,16.2,17.9,19.2,20.4
1985,20.7,20.4,19.5,18.1,16.1,14.3,14.1,14.7,16.4,17.4,19.2,20
1986,20.5,20.3,19.7,18.8,16.3,13.2,13,14.2,15.6,17.8,19.3,20.2
1987,20.2,20.6,20.3,19.1,16.5,13.8,14.7,14.8,16.9,18.4,19.2,21.6
1988,21.1,20.4,20,19.4,16.1,15.2,14.3,14.6,15.9,18.4,19,19.7
1989,20.3,19.7,19.7,18.4,16.4,14.6,14.3,14.5,16.1,18.4,19.7,20.3
1990,20.5,20.4,19.8,19.4,16.8,15,13.2,14.9,16.3,18.4,18.9,19.9
1991,21.4,20.9,20.6,19,17.2,14.5,13.6,14.3,16.4,18.2,19.7,19.9
1992,20.6,19.6,20.8,19.1,17.3,14.5,13.1,14.3,16.1,18.3,20.4,21.4
1993,20.7,20.3,19.3,18.9,16.7,14.9,13.7,14.3,15.8,18,19.3,20.3
1994,20.5,21.3,20.1,19.5,17.2,15.3,13.1,15.7,17.3,18.6,19.7,20.7
1995,20.5,20.8,20.3,19.1,17.1,14.7,14.2,14.9,16.6,18.6,19.8,20.4
1996,20.6,20.5,20.1,18.9,17.2,14.7,13.8,13.9,17.3,17.7,20.5,20.5
1997,20.3,20.6,20.2,19.2,16.9,15.2,13.9,15,17.4,17.8,20.8,20.7
1998,21.4,21.2,21,19.4,17.2,14.9,13.7,15,16.4,18.5,20.1,20.2
1999,20.3,20.9,20.3,17.9,16.5,14.9,13.4,14.7,16.4,17.9,19.6,20.7
2000,20.7,20.3,19.8,19.6,17.4,15,14.3,15,16,18.2,20.1,20.4
2001,20.7,21.1,21.3,19.2,17,14.5,13.9,14.4,16.2,18.3,19.7,20.3
2002,20.2,20.5,20.2,18.7,16.9,14.6,14.5,15.7,16.6,18.3,20.3,20.5
2003,20.6,20.7,20.6,19,18.1,14.8,14,14.3,16.3,18.9,20.4,20.9
2004,20.5,20.4,19.9,18.8,16.1,13.8,13.9,15,17.8,18.9,19.9,20.8
2005,20.9,21.2,20.5,19,17.2,15.4,13.8,14.9,16.8,18.5,20.1,20.1
2006,20.6,20.7,20.1,18.8,16.7,15.2,14.2,14.8,16.3,18.5,20.4,21.6
2007,21,20.8,20.4,19.2,17.4,15.2,14.4,14.9,16.9,18.4,20.3,21
2008,20.6,20.6,19.5,18.2,16.6,14.3,14.5,14.8,16.5,19,20.2,21.1
2009,21.4,21.5,20.1,18.8,16.9,15.3,14.4,14.6,16.9,18.7,20,20.9
