1901,22.1,21.9,22.1,20,17.2,14.3,14,15.5,17.7,20,22.3,22.1
1902,22.1,21.9,21.6,21,17,15.4,15.5,16.6,19,20.1,22.5,23.1
1903,22.3,22.6,22.1,21.2,18.3,15.4,14.2,16.3,20.5,21.9,21.7,21.8
1904,21.4,21.2,20.6,20.4,16.4,15.5,13.8,15.5,16.8,20.9,22.6,21.3
1905,22.3,21.9,21,19.6,17.2,16.9,13.9,16.7,19.4,22.6,22.4,22.9
1906,23.3,21.5,21.7,19.6,17.5,14.9,14.4,15.4,18.2,20.4,21.1,22.3
1907,22.4,21.5,21.5,20.1,17.2,14.7,13.2,14.5,17.9,21.4,21.8,22.5
1908,22.1,21.8,21.9,20.8,16,15.1,14.3,16.5,18.8,22.3,23,22.6
1909,22.1,22.4,22,20.2,17.1,14.5,14.7,16.3,18.3,21.1,22.2,22.9
1910,22.4,22,21.5,19.7,16.6,14.6,14.1,15.8,17.9,20.4,21.4,22.2
1911,21.6,21.3,21,19.4,16.9,13.9,13.4,15.3,17.3,21.7,22.6,24.1
1912,23.4,22.9,21.4,21.1,18.9,14.7,13.8,15.2,18.9,20.8,24.3,21.9
1913,22.2,22.1,21.6,20.2,17.5,14.2,14.8,16.3,18.9,22.3,23.4,23
1914,23.1,22.1,23.1,20.7,18.1,15.8,14.2,16.5,19.8,22.7,23.5,23.3
1915,22.8,22.6,22.4,21.5,17.8,16.3,16.6,16.7,19.3,22.6,23.7,23.2
1916,22.7,22.2,23.1,20.9,16.9,14.9,14.5,15.4,18.9,22.7,22.4,22.7
1917,22.6,23.2,22.3,20.5,18.6,15.8,14.7,16.3,18.4,21.2,22.6,21.7
1918,21.3,21.8,21.6,19,16.8,14,13.9,14.3,18.3,23.2,23.3,22.5
1919,22.4,21.8,21.8,20.7,15.8,14.8,14.1,15.2,18.4,20.2,22.2,23.2
1920,23.4,22.9,22.5,19.9,18.3,15.2,14.9,16.3,20.2,23.4,23.3,23.5
1921,23.3,23.4,22.7,20.5,17.5,15.2,14.5,15.6,18.7,21.9,22.5,22.2
1922,23.1,21.9,21.5,20.5,18.3,15.5,14.5,17.4,19.4,21.6,23.5,23.4
1923,23,22.2,22.1,20.9,17.4,15.3,14.5,15.8,18,22.1,23.7,22.6
1924,21.6,23.1,22.4,18.8,18,15.8,15,16.3,19.6,22.2,23,22.7
1925,21.7,21.8,21.8,20.5,17,14.7,14.2,14.6,17.5,20.9,23.1,23.4
1926,22.3,22.5,21.8,20,17,14.9,14.7,15.3,18.8,21.5,22.6,22.9
1927,22.1,22.1,21,20.1,16.5,14.2,14.9,15.1,18.1,21.1,22.7,22
1928,22.3,21.9,22.2,20.3,16.7,15.8,13.7,15.5,18.8,22,22.6,22.2
1929,22.3,21.8,21.6,19.6,16.9,15.3,14.6,15.1,19.2,22.4,23.5,22.4
1930,21.7,21.1,22,20.2,16.5,14.6,14.2,15.2,18.4,20.5,22.2,22.5
1931,22.6,22.4,22.3,20.4,18.6,15.1,15.3,16.2,18.7,22.1,22.3,22.1
1932,22.2,22.6,21.4,20.5,17.9,15.6,14.3,15.2,19.9,21.7,21.8,22
1933,22,21.7,21.7,19.6,16.8,16.1,14.8,15.5,17.5,21.1,22.7,22.1
1934,22.2,22.1,22.1,21,18.3,16.8,15.7,17,18.2,20.9,22.6,22.2
1935,21.6,21,21.2,18.9,17.7,14.2,14.4,14.4,18.9,22,22.4,21.9
1936,21.8,22.9,21.9,20.5,17.9,15.3,15.1,15.5,18.3,21.8,22.8,22.3
1937,22.4,22.5,21.7,20,17.1,14.6,14,15.4,18.8,21,22.8,22.4
1938,22.4,22.2,21.2,20.5,16.8,15.6,14.5,15,18.8,22.3,22.5,22.4
1939,21.9,22.9,21.7,19.6,17.6,14.8,14.4,16.3,17.8,21.4,22,21.9
1940,21.8,22.1,22.4,20.1,17.2,15.9,14.3,15.9,19.8,19.6,22.5,23.1
1941,22.4,23.2,22.2,21.5,17.8,15.5,14.5,16.1,18.8,22.4,23.1,23
1942,23.4,22.6,23,20.5,17.5,16.7,15.4,16.8,18.9,20.4,22.2,23.5
1943,22.6,21.5,21.5,20.5,16.6,14.6,14,16.1,17,21.6,22.4,21.9
1944,22.6,22.3,21.3,20.1,17,15.2,15.1,16.9,18.2,21.5,22.7,22.2
1945,21.9,22.2,21.7,19.6,16.7,13.2,13.4,14.6,16.1,22,21.8,22
1946,22.7,22.4,21.8,20.1,16.6,14.5,13.6,14.5,18.3,21.8,22.3,22.2
1947,22.6,22.5,22.4,21,16.9,14.7,14.3,15,17.9,21.3,23.3,22.3
1948,22.4,22.7,22.5,21,18,15.4,15.5,15.5,17.6,22,22.4,22.8
1949,22.9,22.4,22.3,20.4,18.2,15.4,15.2,15.9,19.3,21.6,24.1,23
1950,22.6,22.5,22.2,20.6,15.9,14.7,14.8,15.1,17.5,19.8,21.4,22.7
1951,21.5,21.8,21.9,20.6,17.2,14,13,15.9,18.2,21.8,21.6,22
1952,23.1,23,21.9,20.4,16.5,15.4,14.5,15.7,18.6,21.5,21.2,22.2
1953,22.1,22.1,21.6,20,16.4,13.8,13.5,15.3,16.5,21.8,23.7,22.6
1954,22.5,22.6,21.4,20.7,18,14.5,14,16.3,19.1,22.1,22.1,22.2
1955,22,22.4,21.6,19.4,16.9,14.7,14.7,14.6,18.1,21.3,22.7,21.8
1956,21.7,21.6,21.6,20.2,17.9,15.8,13.3,15.8,17.9,21,21.6,21
1957,21.6,21.9,21.4,20.1,16.4,13.7,14.3,16.8,20.8,22.6,24,22.3
1958,21.9,22.1,21.4,20.3,16.8,14.9,12.7,14.4,19.5,21.4,23,23.5
1959,21.8,22.5,21.2,19.8,18,14.4,15.2,14.6,17.8,20.9,21.5,22.6
1960,21.7,22.2,21.3,19.9,17.3,16.5,13.8,16.4,18.9,22.1,23,22.8
1961,21.9,23.5,22.3,21.5,18.3,16.2,15.9,15.6,19.3,21.9,22.2,23
1962,22,22.2,21.6,20.6,15.8,13.8,14.8,16.8,18.3,21.7,22.3,21.6
1963,21.7,21.3,20.8,19.3,15.3,13.3,14,14.6,18.6,21.1,22,22.3
1964,21.6,22.4,22.3,19.9,16.8,14.4,13.4,15.4,17.6,21.9,21.9,20.9
1965,21,21.4,21.1,18.4,16,13.3,13.3,15.5,17.7,19.1,22.6,22.7
1966,22.3,21.6,20.7,19.8,17.2,15.8,15.5,16.6,18.8,20,22.6,23.3
1967,22.6,22.2,21.7,20.4,17.8,16.7,14.1,15.9,18.1,21.6,21.9,22.2
1968,23.1,21.8,21.1,19.6,17.3,12.8,14.2,15.7,17.5,21.2,21.4,22.3
1969,21.8,22.7,22,20.2,16.9,15.2,15.1,17.1,18.3,22.8,23.6,22.3
1970,22.5,22.4,21.6,19.6,17,16.5,15.3,17.6,20.2,21.4,22.5,21.8
1971,21.8,21.7,21.8,21.2,16.6,15.4,14.7,16.1,18.6,20.9,21.1,21.3
1972,21.5,21.6,21.2,20.3,18.3,13.2,14.3,15.3,19.3,21.2,21.5,24.2
1973,22.6,22.8,22.5,19.8,16.5,15.3,14.1,15.5,19,21.6,21.3,21.7
1974,21.2,21.1,20.9,18.7,16.8,13.5,14.6,15.6,17.4,20.2,21.9,21.4
1975,21.7,21.8,21.5,20.7,17.8,15.7,14.2,15.7,17.8,20.2,21.2,22.4
1976,22.4,21.6,21.2,20.1,16.6,15.4,13.6,14.2,18.5,20.9,24.2,22.6
1977,22.3,22.6,21.7,19.7,17.7,14.5,15.1,15.4,19.1,23,23.5,22.9
1978,22.5,21.8,21.7,20.4,16.4,14.6,13,16.3,18.9,21.9,21.5,21.2
1979,21.7,22.3,22.1,19.5,16.6,15,15.1,16.4,19.1,22.1,22.3,21.8
1980,22.8,22.4,21.3,20.8,16.8,14.2,14.7,15.4,18.8,20.9,23.8,21.8
1981,22.9,22.4,21.8,19.6,16,14.4,13.8,15.9,18.3,20,22.6,22.8
1982,22.5,22.8,22.4,20.1,16.2,15.2,15.2,15.9,17.9,20.4,22.3,23.1
1983,22.8,23.4,23.5,21.3,20,17.6,16.5,16.1,19.4,20.4,23.8,23.2
1984,23.6,22.7,22.1,20.2,18.6,16.2,16.6,16.1,19.6,21.9,22.2,22.4
1985,22.1,22.1,22.1,19.2,16.4,14.2,14.7,16.9,19.7,21.2,22.2,22.2
1986,21.9,21.9,21.5,21,16.9,14.6,14.7,15.5,18.6,20.7,21.4,22.6
1987,22.6,23.3,23.3,20.7,18.3,14.7,13.6,17.5,20,20.2,23.2,23.6
1988,23.2,22.6,22.6,21.8,17.5,15.8,15.5,16,18.4,21.2,20.9,22.5
1989,22.6,21.8,21.8,20.5,17.3,15.4,14.7,16.4,18.1,20.7,22.8,23
1990,22.5,22.3,21.6,21.2,18.7,16.8,15,15.9,17.3,21.3,22.9,22.8
1991,23.1,22.7,22.4,20.5,18.2,15.2,15.1,16,18.9,20.4,21.6,22.6
1992,23.1,22.8,22.7,21.3,18.8,16.2,15.4,15.7,19.2,22.1,22.9,23.1
1993,21.9,22.8,21.7,21.7,18.9,16.3,16.1,16.1,18.9,22.2,22.8,23.8
1994,23.1,22.8,22.2,20.9,18,16.5,16,16.8,19.4,20.2,23.2,23.2
1995,22.5,23.2,22.9,21.2,19.4,15.4,15.8,18.3,19.2,23.4,23.7,22.7
1996,22.7,22.8,21.8,19.7,18.5,15.7,14.4,16.3,19.2,21.4,24.2,22.6
1997,22.2,21.8,22.6,19.9,16.1,16.2,15.2,16,18.4,20.5,22.9,22.6
1998,23.6,23.1,23.1,20.8,17.2,15.6,15.1,16.9,19.2,21.6,23,22.8
1999,22.7,22.6,22.5,20.3,17.4,16.4,15.5,17,17.8,20,22.8,23.7
2000,23,22.7,22.4,20.4,16.9,16.4,14.6,15.1,19.3,19.2,21,23.6
2001,22.1,22.2,21.9,20.7,17.7,15.1,15.1,16.2,18.7,19.9,23.9,23.1
2002,23.3,22.8,22.4,20.2,17.3,15.7,15.4,17.2,18.8,21.7,22.1,23.7
2003,23.3,22.9,22,20,17.1,16.3,14.2,15.2,18.9,21.5,23.9,22.9
2004,23.6,22.9,23.2,20.6,17.1,14.8,14.8,17.5,18.7,21.3,22.7,22.4
2005,23,24.1,23.9,21.8,18.4,16.7,15,18.2,19.8,22,23.4,23.1
2006,22.7,22.7,21.8,20.2,17.9,15.6,15.5,17,18,22.4,23,23.3
2007,21.6,22.5,22.5,21.1,17.8,15.8,14.3,15.9,19.4,21.7,23.3,24.5
2008,22.3,21.9,21.6,19.1,17.7,16,15.1,16.2,18.9,22,23.4,23
2009,21.4,22.8,22.2,19.2,17.7,16,15.6,17.3,19.9,22.1,21.6,23.9
