1901,21.3,20.7,20.2,18.3,16.5,14.7,14.3,14.3,15.2,17,19.3,19.4
1902,21.4,20.8,19.8,18.9,16.9,14.7,14.7,14.5,16.6,17.4,18.9,19.8
1903,20.9,20.7,20.3,18.8,17.1,15.3,14.3,14.9,14.9,16.7,18.4,19.6
1904,20.5,20.6,20,18.3,16.9,14.5,14,14.9,15,17.6,19.2,20
1905,21.1,20.7,19.9,18,17,15.5,14.3,15.1,15.1,17.7,18.2,19.6
1906,21.6,20.9,20.6,18.8,16.7,14.7,14.3,14.6,15.4,16.9,18.4,19.6
1907,20.9,20.8,19.7,18.5,16.7,14.8,13.6,14.8,15.8,18.1,18.6,19.3
1908,21.1,20.6,20.4,18.6,16.3,15.1,14.3,15.2,16.2,18.1,19,19.5
1909,20.7,20.7,20,18.5,16.4,14.1,14.8,14.8,16.2,16.7,18.7,19.4
1910,21,20.8,20,18.7,16.4,14.2,14.1,14.9,15.9,17.6,17.7,19.2
1911,20.8,20.3,19.8,17.8,16.3,14.5,14.5,14.8,15.8,17.6,18.4,20.3
1912,21.3,20.5,20.6,18.8,17.1,14.9,14.4,15.2,16.5,17.6,19.2,19.8
1913,20.6,20.5,20.5,18,17.2,14.6,14,15.4,16,17.9,18.5,19.5
1914,20.7,21.1,20.1,18.7,16.8,15.1,14.2,15.2,16.1,17.4,18.1,20.3
1915,21.1,20.9,20.2,19,16.9,14.7,14.8,14.5,15.5,18,18.6,19.7
1916,21,20.6,20.2,18.7,16.5,14.6,13.5,15,15.7,17.3,17.9,18.9
1917,20.5,20,19.7,18.4,17.1,15,14.7,14.9,15.4,16.2,18.2,19
1918,21.1,20.4,19.9,18.1,16.5,14.9,14.1,14.6,15.7,17.6,18.5,19.8
1919,21,20.9,20.2,18,16,14.6,13.8,15.6,16.5,17.3,19.1,20.1
1920,20.8,20.6,20,18,16.7,14.1,13.6,15,16.5,18,18.3,19.3
1921,20.7,20.6,19.7,18,16.5,14.6,14.3,14.9,15.9,17.7,18.4,19.3
1922,20.4,20.5,20,17.5,16.4,14.3,13.7,14.8,15.3,17.1,18.6,20
1923,21.2,20.9,20.4,18.9,17.1,14.7,14.8,14.6,16.2,17.6,19,19.8
1924,21,20.7,20.5,18.4,17,14.8,14.6,15.2,16,17.2,18.5,19.5
1925,20.8,20.7,19.9,18.8,16.2,15.5,15,14.7,16.8,17.7,18.5,19.8
1926,21.4,21.2,20.9,19.4,17.2,15.6,14.8,15.4,16.6,17.8,19.2,20
1927,20.9,20.9,19.9,18.6,16.8,14.8,14,15.2,16,17.6,18.6,20.2
1928,20.6,21,20.4,19.2,17.2,14.6,14.4,15.1,15.9,17.7,18.8,19.7
1929,21.3,20.1,20.7,18.9,16.7,15.2,14.8,15.1,16,18.2,18.9,19.5
1930,20.5,21,20,18.6,16.1,14.5,14.1,14.4,16.7,17.2,18.9,19.9
1931,20.4,20.7,19.8,18.3,16.5,14.4,14.1,14.6,15.2,16.6,17.8,19.6
1932,20.9,20.5,20.1,18.1,15.9,14.5,14.2,14.8,15.4,16.9,18.7,19.6
1933,20.8,20.4,19.7,18.4,16.5,14.5,14.3,14.8,15,17.2,18.8,19.6
1934,20.7,20.6,20.2,18.5,16.7,13.9,14.2,14.2,15.2,16.9,18.3,19.2
1935,20.7,20.5,20.1,18.1,16.8,14.6,13.5,15.1,16.1,17.4,18,19.4
1936,20.7,21.2,20.3,18.6,16.9,14.4,14.1,14.5,15.6,17.7,18.6,19.5
1937,20.6,20.9,19.9,18.5,16.4,15,14.1,14.7,16.3,17,19.2,19.8
1938,21,20.7,20.3,18.8,16.9,14.4,14.6,15.1,15.7,17.2,17.9,20
1939,21,21,20,18.5,16.9,14.8,14.4,14.6,15.8,17.3,18.5,19.3
1940,20.4,20.6,20,18.4,16.3,14.5,14.2,14.6,15.4,16.5,18.1,19.8
1941,19.8,19.8,19.2,19,16.5,15.5,14.7,14.7,14.6,16.4,18.7,20
1942,21.9,21.2,19.9,17.5,15.6,14.9,14.3,15.1,14.3,15,17.2,18.8
1943,19.9,19.3,18.7,18.1,15.7,14.4,14.6,14.9,13.7,16.3,17.8,18.8
1944,20.7,20.6,18.8,17.6,15.2,14.6,14.8,14.9,14.3,16,18.3,18.9
1945,20.1,19.5,19.1,17.7,15.6,13.2,14,13.9,14.1,16.2,17.6,18.8
1946,21,20.6,19.7,17.6,15.4,14,14,14.4,14.5,16.4,17.9,19.8
1947,20.6,20,18.6,18,15.3,13.9,14.7,14.3,14,16.2,18.4,19.6
1948,20.8,19.7,19.6,18.2,16.7,14.8,14.4,14.1,14,16.1,17,18.6
1949,20.5,18.9,18.7,17.2,15.8,14.2,14.3,14.6,14.2,16.4,17.3,19.8
1950,20.5,19.6,18.9,18.3,14.7,14.1,14.1,13.5,13.7,15.2,16.8,19.3
1951,19.9,18.6,18.8,17.3,15.4,13.8,14.2,14.5,13.7,15.7,16.7,19.2
1952,20.5,19.4,18.9,18.2,16.5,14.5,14.8,14.8,14.5,15.9,16.4,18.6
1953,20.7,20.2,18.8,17.6,16.1,14.7,13.4,14,14.3,16.4,17.6,19.5
1954,20.8,20.5,19,18.3,16.8,13.4,14.1,14.5,14.8,16.5,18.4,19.9
1955,20.8,19.8,18.3,17.1,14.9,13.9,14.4,14.2,14.7,15.6,16.9,19.2
1956,19.3,20.3,19.9,18.2,17,15,13.6,14.7,15.4,16.8,17.1,19
1957,21.1,19.8,19.6,17.6,15.8,13.4,14.1,14.9,15.6,17.6,18.4,19.2
1958,21,21.1,19.3,18.9,15.8,14.4,13.4,14.6,15,15.9,18.3,19.9
1959,20.3,20.3,18.8,17.1,16.8,14.2,14.8,15.2,15.1,15.5,17.9,20.2
1960,20,20.3,19,17.6,15.3,14.8,13.8,15.1,15.3,16.8,18.2,20
1961,21.4,22.1,21,19.4,17.2,15.1,15.1,14.1,14.8,17.1,17.8,19.1
1962,21.6,20.7,19.9,18.5,15.3,13.8,13.9,15.2,14.7,17.1,18.4,19.7
1963,19.5,20.6,19.4,18.1,15.3,14.1,14.3,13.9,15.1,16,16.9,18.6
1964,19.9,20.4,19.7,17.7,15.4,14,12.9,13.5,14.2,16.3,17.4,18.9
1965,18.8,19.6,18.5,17.4,15.5,13.2,13.9,14.4,14.9,15.6,17.4,19.2
1966,21.1,21.6,19,17.2,15.8,14.7,14.3,14.7,15.5,15.3,17.2,19
1967,20.9,21.6,20.8,19.1,17.7,15.5,14.9,14.3,15.1,16.2,18,18.7
1968,20.8,20.6,19.6,17.3,15.6,13.1,14.1,14.9,14.7,15.8,16,19.4
1969,21,21.1,20.6,19.1,16.7,13.9,15,14.3,14.4,17.8,18.4,19.5
1970,20.1,20.2,19,17.3,16.2,14.7,14.4,15.5,15.7,16.4,19.3,20.2
1971,20.4,19.9,19.5,18.9,16.4,13.7,14.7,14.5,14.6,16.4,17.1,19.3
1972,20.8,20.6,18.7,18.7,17.5,13.4,13.9,14,15.2,16.6,16.7,19.8
1973,20.6,20.1,20.3,17.7,16.4,14.3,13.7,14,15.1,17,18.2,18.9
1974,20.5,20.3,19.5,17.7,16.5,14.8,14.1,14.1,14.5,16.5,18.4,19.2
1975,20,20.1,19,18.5,15.8,14.3,13.4,14.2,15,15.8,17.8,19
1976,20.4,21,20.9,18.5,16.3,14.3,14.1,14.6,15.2,16.1,18.8,19.2
1977,20.7,20.4,19.8,17.6,16.7,14.5,14.7,14.4,15.9,16.9,18,20
1978,20.9,21.3,20,18.1,16.7,15,13.1,15.4,15.5,17.4,18.3,19.7
1979,19.7,21.6,20.2,18.2,16.2,14.2,14,14.7,15.7,16.9,18.1,19
1980,19.5,20.6,19.2,18.6,16.4,14.2,14.1,14.4,15.5,16.7,19.2,20.3
1981,22,21.4,19.6,18.4,16,14,13.5,15,15.4,15.5,17.7,19.4
1982,20.4,20.4,19.6,18,15.9,15.4,14.4,14.6,14.2,15.5,17.2,19.5
1983,20.6,21.1,21.2,19.2,17.7,15.6,14.6,14.6,15.1,16.3,18.3,19
1984,20.2,19.9,19,18.1,16.9,15,14.6,14.1,14.3,16.3,17.6,20.1
1985,20.9,20.4,19.6,17.8,16.2,14.5,14.2,15.1,15.9,17.3,17.8,19
1986,20.7,20.3,20.2,18.5,16.7,13.5,13.5,14.8,14.8,16,17.6,19.4
1987,20.2,20.3,20.5,18.9,17,14.1,14.7,15.4,16,16.2,18.5,21.1
1988,21.3,21.2,20.1,19.5,17,14.9,14.8,14.5,15.2,17,17.1,18.9
1989,20.5,19.5,19.3,18.2,16.6,14.6,14.7,14.9,15,17.2,18.2,18.8
1990,20,19.4,19,18.7,15,15,13.7,14.7,14.8,16.4,17.7,19.3
1991,21.9,21.7,20.7,18.5,16.8,14.2,14.6,14.5,15.2,16.6,18,19.3
1992,19.8,20.2,20.7,19.6,17.8,14.4,14.1,14.5,15.1,16.7,18.4,20.1
1993,20.7,20.6,19.6,18.5,16.5,15.2,14,14.5,15,16.5,17.8,19.5
1994,20.6,21.2,20.3,18.5,16.9,14.9,13.7,15.6,15.7,16.4,18.3,19.4
1995,20.6,21.1,19.3,18.5,17.1,14,14.6,15.3,15.2,17.8,18.5,18.7
1996,20.7,20.9,19.3,18,17.2,14.6,14,14.1,16,16.6,18.5,19.7
1997,20.3,20.7,19.9,18.6,16.9,15.4,14.3,14.9,14.9,16.7,18.5,19.4
1998,21.7,20.9,20.8,19.3,17.1,14.6,14.5,15.2,15.9,17.3,19.3,19.4
1999,20.7,21.6,20.5,17.5,16,15.2,14.1,15.2,15.4,16.7,18.6,20.4
2000,20.6,21.3,20.7,20.1,17.5,15.5,14.9,15,15.4,16.3,19,19.6
2001,20.8,21.8,21,18.9,16.9,14.4,14.2,14.6,15.2,17.3,17.8,19.5
2002,20.5,20.7,19.8,18.3,17.3,15.1,15.3,15.8,16.1,17.4,17.9,18.9
2003,21.3,21.3,20.8,18.6,17.9,15.1,14,14.6,15.7,17.7,18.9,21.1
2004,21.4,20.7,20.5,19.5,16.6,14,14.6,15.4,16.2,16.6,18.9,20.3
2005,20.6,20.7,19.8,18.3,17,15.4,14.3,14.7,15.5,16.7,18,19.4
2006,20.7,20.8,20,18.4,16.5,15,14.4,14.9,15.1,16.9,18.5,20.6
2007,21,20.8,20.4,18.8,17,15,14.5,14.8,15.7,16.8,18.5,20.1
2008,20.7,20.8,19.6,17.9,16.5,14.3,14.7,14.9,15.3,17.2,18.3,20.1
2009,21.3,21.5,20,18.3,16.7,15,14.6,14.6,15.7,17,18.2,20
