1901,21.4,22.3,22.1,20.6,19.5,18.5,17.2,17.5,19.4,20.1,19.2,20.3
1902,21.3,22.2,22,20.4,19.2,18.6,17.6,17.9,19.6,20.2,19.2,20.3
1903,21.6,22.5,22.2,20.7,19.5,18.5,17.4,17.6,19.4,20.1,19,20.2
1904,21.2,22.3,22.1,20.7,19.5,18.7,17.2,17.5,19.4,20.1,19.2,20.3
1905,21.4,22.3,22.1,20.6,19.5,18.5,17.3,17.5,19.4,20.2,19.4,20.4
1906,21.3,22.5,22.1,20.6,19.7,18.8,17.3,17.7,19.5,20.1,19,19.9
1907,21.2,22.4,22.2,20.7,19.6,18.6,17.3,17.5,19.4,20.1,19.1,19.8
1908,21.3,22.1,22.3,20.8,20,18.7,17.3,17.5,19.7,20.7,18.9,19.9
1909,21.1,22.1,21.9,20.3,19.4,18.4,17.3,17.6,19.4,20.1,19.1,20.3
1910,21.3,22.3,22.2,20.8,19.7,18.6,17.6,17.7,19.4,20.1,19.2,20.5
1911,21.5,21.9,22,20.5,19.2,18.7,16.7,17.3,19.1,19.8,19,19.8
1912,21.1,22.2,21.9,20.3,19.1,18.1,16.6,17,18.8,19.8,19.2,19.7
1913,21,21.9,21.7,20.3,19.4,18.1,17.2,17.5,19.4,20.1,19.2,20.3
1914,21.4,22.3,22.1,20.6,19.5,18.5,17.2,17.5,19.4,20.1,19.2,20.4
1915,21.4,22.3,22,20.8,19.4,18.3,17,17.4,19.3,20,19.3,20.1
1916,21.2,22.5,21.8,20.3,19.5,18.4,17,17.5,19.4,20.1,19.3,20.2
1917,21.5,22.5,22.1,20.4,19.5,18.4,17.1,17.4,19.3,20.1,19.3,20.4
1918,21.3,22.6,22.1,20.4,19.6,18.4,17.2,17.5,19.4,20.1,19.2,20.3
1919,21.4,22.3,22.1,20.6,19.5,18.5,17.2,17.5,19.4,20.1,19.2,20.3
1920,21.4,22.3,22.1,20.6,19.5,18.5,17.2,17.5,19.4,20.1,19.2,20.3
1921,21.4,22.3,22.1,20.6,19.5,18.5,17.2,17.5,19.6,20.3,19.7,20.8
1922,21.8,22.7,22.5,20.8,19.8,18.9,17.1,17.4,19.6,20.4,19.8,20.8
1923,21.4,22.8,22.1,21,19.5,18.9,17.2,18.1,19.9,20.6,19.8,20.7
1924,21.6,23,22.5,20.9,19.9,18.4,18,17.5,19.9,20.7,19.8,20.7
1925,21.6,22.2,22.1,20.6,19.8,19.1,17.9,18.1,19.7,20,19.2,20.2
1926,21.9,22.4,21.9,20.1,19.9,18.9,17.5,18.2,19.5,20.2,19.6,20.2
1927,21.7,22.9,22.3,20.3,19.5,18.3,17.8,18.3,20.3,20.5,20.6,21
1928,21.9,22.6,22.8,21.4,20,18.4,17.5,17.6,19.9,20.7,20.3,20.6
1929,21.9,23.3,22.8,21.1,20.2,18.5,16.9,17.7,19.5,20.1,19.2,21.1
1930,21.5,22.3,21.7,20.5,19.1,18.2,16.8,17.4,19.4,20.2,19.8,20.3
1931,21.5,22.4,22.1,20.5,19.9,18.8,17.5,17.7,19.7,20.4,19.2,20.4
1932,21.4,22.8,22.1,20.6,19.5,18.5,17.2,17.5,19.4,20.1,19.2,20.3
1933,21.2,22.4,22.1,20.9,19.7,18.7,17.2,17.6,19.4,20.5,19.9,20.3
1934,21.1,21.9,22,20.8,20.1,18.5,17,17.6,19.5,20.1,19.8,20.4
1935,22.1,22.5,22.4,20.8,19.6,17.8,17.1,17.3,19.2,20.5,19.9,20.3
1936,21.1,22.2,22.1,20.9,20,17.9,16.8,17.4,19.3,20.7,20.4,20.6
1937,21.6,22.7,22.2,21.2,20.2,18.9,17.3,17.9,19.9,20.6,19.8,20.8
1938,21.4,22.8,22.3,20.6,19.4,18.8,17.6,18.1,19.9,20.3,19.6,20.3
1939,21.6,22.4,22,21,20.3,18.5,17,17.8,19.7,20.5,19.8,20.7
1940,21.8,22.9,21.8,19.9,20.3,19.1,17.3,17.9,20.1,20.7,20.1,21.1
1941,21.8,23.8,22.7,21.8,20.5,18.3,17.5,17.8,20.4,21.1,19.6,20.4
1942,22.3,23.3,22.7,21.1,20.6,18.8,16.8,17.5,20,20.3,19.7,20.8
1943,22.4,22.2,22.4,21.5,20.3,18.6,17.1,17.3,19.3,20.3,20.8,21.1
1944,21.2,22.6,22.5,21.8,20.4,19.4,17.4,17.5,19.3,20.4,20.9,21.1
1945,22.4,22.9,23.8,22.1,20.4,18.2,17.3,17.4,19.2,20.4,19.7,20.6
1946,21.7,22.6,23,21.2,20.3,18.8,17.1,17.1,19,20.1,19.7,21.3
1947,22.3,22.5,22.4,20.5,19.2,18.7,17.4,17.2,20.2,20,19.7,20.3
1948,21.2,22.1,22,21,20.4,18.9,17.4,17.9,19.4,19.7,19.4,19.7
1949,21.3,22.2,22.4,21.6,20.2,17.9,16.8,17.4,19.2,20.4,20.4,20
1950,21,21.4,22.2,20.7,19,18.2,16.3,16.7,18.7,19.1,19.6,20.6
1951,22.3,23.2,22.4,20,19.5,18.8,17.3,17.1,20.4,20.3,19.7,20.4
1952,22.2,23.2,23.3,21.3,20.3,18.6,17.4,17.6,20.3,20.4,20,21.4
1953,22.5,22.7,23.2,21.8,20.2,19.8,17.6,18.1,19.9,20.1,20.1,21.1
1954,22.6,23.3,23.5,20.7,19.6,18.2,17.1,17.3,19.3,20.2,19.5,20.5
1955,22,22.7,22.4,21,19.7,18.9,18,18.1,19.3,20.3,19.5,20.6
1956,20.9,22,22.3,20.6,19.8,18.9,16.7,18,19.4,20.3,19.3,20.5
1957,21.6,21.6,21.9,20.8,19.4,18.7,16.6,17.3,19.7,20.7,19,19.8
1958,21.6,21.2,22.3,21.4,19.3,18.6,16.4,17.5,19.7,20.1,20,19.9
1959,22,22,21.7,20.6,19.8,18.3,16.9,17.3,19,19.3,19.3,19.2
1960,21.8,22.1,20.7,20.2,19.6,19,16.6,17.6,18.7,19.4,19.8,20.9
1961,22.8,22.9,23,21,21.3,20.3,18,17.4,18.7,18.7,16.4,19.4
1962,20,22.1,22,21.9,19.3,19.1,17.2,17.9,19.1,19.9,19.2,19.6
1963,20.3,21.5,21.5,19.6,18.8,18,17.4,16.9,18.9,21.2,18.8,18.8
1964,21,23,22.6,20.4,19.4,18.9,16.1,17,18.5,19.3,20.4,19
1965,21.1,22.9,22.7,20.8,20,19,17,17.3,19.7,19.3,18.7,20.9
1966,22,22.5,21.3,19.5,20.2,18.5,17.5,17.8,19.5,20.4,19,21.3
1967,22.4,23,23.4,20.2,18.8,17.4,16.7,16.5,18.6,19,17.8,20.1
1968,20.9,20.7,19.1,18.6,18.3,17.7,15.5,16.3,18.9,19.5,17.5,20
1969,20.9,19.9,20.5,22.1,19.5,18.5,17.3,17.5,20.1,21,19.4,21
1970,20.3,22,21.1,19.6,19.3,18,16.7,16.5,18.8,19.8,20.2,20.3
1971,21.3,21.8,22.1,20.1,18.7,17.3,16.4,17.2,18.6,19.2,20,20.1
1972,21,20.4,22.3,22.1,19.8,18.5,16.5,18.1,19.7,19.9,18.4,20.2
1973,21.1,23.1,23.7,22.4,19.7,18.2,17.6,17.5,19.6,20.5,20.1,20.4
1974,21.8,22.1,20.7,19.9,18.8,18.1,16.4,17.4,17.8,20.1,19.7,20.6
1975,21.8,23.1,22.9,21.1,19.3,17.7,17.2,16.3,18.5,19.1,19.2,20.9
1976,21.7,22.5,22.9,21.1,19.7,19,17.8,18.1,19.3,20.5,20.3,20.9
1977,20.9,22.6,22.5,20.8,20.4,19.1,17.4,18,19.4,20.3,17,19.7
1978,20.6,21.6,19.8,20.8,19.3,18.5,17.1,18.2,20.2,19.8,19.4,19.8
1979,20.4,21.4,20.9,20.9,19.4,17.6,16.9,18.4,19.5,19.1,20.1,22
1980,21.7,22.3,23.1,21.6,19.6,18.4,17.1,17.5,19.9,21.2,19.3,20
1981,22.3,23.3,21.5,19.6,19,18.6,16.4,17.8,19.5,20.3,20.4,20.7
1982,22.6,23.6,23.7,20.4,19.5,18.9,18,18,20.4,19.3,18.6,20
1983,22.7,22.9,23.1,21.8,20.1,18.9,18.1,17.9,19,20.8,21.1,19.3
1984,20.2,22.5,23,20,20.6,18.8,16.8,17.4,20,19.7,17.9,19.8
1985,21.9,21.4,22,19.7,18.6,17.7,16.9,17.2,19.6,19.5,19,20.6
1986,21.5,23.6,21.9,20.5,19,17.3,16.7,18.4,19.4,20.8,19.6,20.1
1987,21.7,22.6,23.3,22.2,20,18.2,18.2,18.4,21,21.9,20.2,22.5
1988,22.5,23.7,23.3,20.7,19.9,20,17.4,17.7,19.3,20.4,19.6,20.4
1989,20.7,21.3,22.2,19.6,19,18.3,16.9,17.4,19.2,20.1,19.4,19.3
1990,20.8,21.9,20.4,20.2,20.2,18.7,17.8,17.3,19.5,20.5,18.5,20.2
1991,21.6,23.1,23,21.4,20.1,19.7,17.7,17.9,20.2,20.9,20.2,20.7
1992,21.9,23.4,22.8,20.6,19.2,18.2,16.6,16.9,18.8,20.5,19.1,20.3
1993,20.6,21,21.5,21.2,20.3,19.2,17.1,18.1,19.6,20.6,20.5,20.5
1994,19.7,22.5,20.2,20.3,19.8,18.9,17.4,17.6,20,20,18.5,19.6
1995,22,23,22.6,21.7,19.9,19.1,16.8,17.8,19.4,20.3,19.8,21.1
1996,22.6,24.3,23.5,21.1,20.1,19.8,17.6,18.1,20.6,20.6,19.3,20.5
1997,22.6,23.1,21.7,21,20.2,19,18,18.3,21.2,20.8,20.2,22.1
1998,22.9,24.2,23,20.2,18.7,19.2,18,16.8,19.8,21.6,20.8,21.2
1999,22.8,22.8,22.8,22.3,20,21,18.2,19.2,21.4,20.5,19.9,20.3
2000,21.1,22.9,23.5,23.2,21.6,19.2,19.2,20,20.1,20.6,21.3,20.2
2001,22.1,24.5,23.7,20.5,19.7,18.7,17.1,18.6,20.6,21.2,19.7,21
2002,22.1,23.8,23.8,22,21.1,19.8,18.2,19,21.8,22,19.8,21.9
2003,22.2,23,23.4,22.1,20.6,19.6,18,18.4,19.9,21.4,20.9,23.1
2004,23.9,24.6,23,20.8,20.5,19.3,18.2,18.9,19.9,19.9,19.6,20.3
2005,21.1,24,23.3,22.3,19.6,19.4,17.3,18,20.5,20.6,20.5,22.8
2006,23,24.4,23,21.3,21.2,19,18.9,18.6,19.8,21.8,20.4,20.3
2007,22.5,23.5,23.3,21.6,20.8,18.5,16.8,18.1,20.8,20.8,19.9,21.9
2008,23,24.7,22.3,21.7,20.2,18.6,18.3,19.8,20.1,20,18.6,20.4
2009,22,23.7,23.3,22,20.3,19.9,18.3,20,20.8,21.8,20.2,22.8
