1901,21.9,22.4,21.4,17.5,18.2,16.4,17,17.4,20.2,21.6,21.3,22.1
1902,21.7,23.4,21.2,19.5,19.1,18.4,16.5,14.2,20,20,21.8,22.1
1903,22.1,22.7,21.3,18.5,16.4,16.6,15.7,16,19.7,19,20.4,20.9
1904,20.9,21.2,21.3,19.4,15.7,15.3,16.6,16.2,18.3,18.9,21,20.9
1905,20.9,21.3,21.2,18,17.8,17.3,14.9,16.3,18.2,21.8,20.5,21.7
1906,22.8,23.3,22.1,19.5,19.5,15.4,16.3,16.8,17.8,20.5,21.9,21.5
1907,22.2,22.9,22.6,19.5,16.3,15.7,15.2,15.4,19.2,20.3,21.6,22.9
1908,22.8,22.4,21.5,19.4,17.7,16.8,16.9,14.8,19,19.4,21.3,22.4
1909,23.1,22.3,21.1,20.1,15,15.2,15.3,18.2,19.1,19.8,20.7,21.1
1910,22.7,21.9,20.9,20.7,17,17.2,15.8,17.6,18.8,20,21.3,21.7
1911,22.8,23.1,20.5,19,17.9,14.6,15,16,17.9,19.6,21.8,22.5
1912,22.8,23.5,21.8,19.9,18.4,15.4,12.3,15.2,16.2,18.8,21.2,21.2
1913,20.4,21,20.1,19.5,17.1,15.1,17.8,16.2,17.4,20.1,21.6,21.3
1914,21.8,21.6,21.4,18.1,15,16.4,16.3,13.7,17.8,19.8,20.6,21.1
1915,22.1,22,20,19.2,19.4,12.4,14.7,17.2,16.9,19.9,19.7,21
1916,21.2,20.6,19.2,19.4,17.4,14.2,13,16.1,18.1,19.7,21.3,20.6
1917,22.8,21.2,20.3,17.5,15,14.4,13.6,15.2,18.9,18.4,20,22.1
1918,22.1,20.5,19.9,18.6,16.3,14.8,14.2,16.2,18.7,20,21.6,21.6
1919,23.3,21.8,21.9,19.8,18.9,16.3,17.1,14.4,15.2,20,20.2,21.7
1920,21.9,22.1,21.7,20,17,14.6,12.2,14.8,17.7,20.1,21.1,21.1
1921,22,22.3,20.5,18.7,19.6,13,13.5,16.6,17.6,19.9,20.4,23.2
1922,21.7,21.7,20.4,19.1,16.7,13.7,15.6,16.2,17.8,17.5,21.2,21.1
1923,22.1,22,21.3,19.7,14.3,15.2,12.7,16.5,18.5,19.3,20.4,22.3
1924,21.4,22,21,17.5,15,15.8,13.7,13.6,16.6,18.6,19.5,22.2
1925,21.2,22.5,20.6,19.7,16.5,13.2,13.3,18.1,17.8,18.7,20.7,22
1926,22.5,23.1,23,19,16,17.3,14,17.1,20.1,20.9,22,21.5
1927,22,22.6,21.1,18.8,16.7,13.7,14.1,16.2,18.6,20.3,21.5,20.8
1928,23.2,22.5,21.1,20.2,16.9,14.5,13.4,14.4,16.6,19.7,21.8,21.4
1929,23.2,22.2,21,19.5,15.9,14.1,13.9,15.7,17.2,19.8,21.4,21.4
1930,21.8,21.6,21.4,20,17.7,19.1,14.6,16.1,17.7,19.5,20.8,22
1931,23.1,23.3,21.4,18.9,14.7,13.4,14.4,16.5,17,20,19.9,21.7
1932,22.4,22.1,21,19.9,16,15.3,16.8,14.8,18.6,19.9,21.4,21.2
1933,23.9,22.9,22.2,20.4,18.8,14.9,12.9,17.5,19.2,21.9,21.7,22.7
1934,23,21.8,21.9,17.8,17.7,17.8,15.4,16.8,18.4,19.3,22.2,22.4
1935,23.3,22.9,22.6,18.7,18.1,17.5,15.1,16.6,17.4,19.3,21,22.8
1936,23.4,22.3,22.4,19.1,19.4,16.8,14.9,14.8,19.4,21.7,21.6,22.7
1937,23.2,22.8,21,17.8,16.4,17,15.9,18.3,18.3,19.7,22,22.8
1938,22.8,22.4,21.4,17.9,18,16.5,16,16,18.6,19.5,21.9,22.5
1939,23.6,22.4,20.8,18.5,19,17,13.9,17,18.2,21.4,20.7,21.7
1940,22,22.2,20.9,19.7,19.3,17.1,17.6,15.9,18.4,19.6,20.7,23.3
1941,22.8,22.6,20.9,20.9,17.7,14.8,15.9,18.1,15,21,20.7,22.3
1942,23.6,22.8,21.1,19.5,15.9,12.8,12.2,17.3,18.5,19.9,22,22.6
1943,22.7,22.5,21.1,18.8,18.3,15.8,16.3,13,18,21,21.2,21.8
1944,23.7,23.4,21.1,18.8,18.3,16.8,15.9,18.2,20.5,21.8,20.6,23.7
1945,23.5,22.8,21.3,20.2,15.9,14.5,15.8,19.6,19.7,21.9,21.4,22.2
1946,22.2,23.9,21.4,19.3,17.8,15,14,17.8,20.3,20.7,23.1,22.1
1947,23.1,23.1,21.2,20,18,17.7,13.8,15.3,18.7,19.4,22.2,22.1
1948,24.1,23,21,19.4,17.6,17.5,16.3,16,19.7,20.2,21.5,22.4
1949,21.4,22.9,22.8,18.5,17.4,17.4,14.3,15.6,18,18.1,21.6,21
1950,22.1,21.5,20.1,18.2,18.3,16.6,15.3,17.7,18.9,18.8,20.1,20.8
1951,21.1,21.6,21.5,15.8,18.5,15,15,16.6,18,20.6,20.4,20.9
1952,22.2,22.5,21.8,17.3,17.7,12.6,15.6,16.9,18.2,20.1,20.4,22
1953,22,22.3,21.1,17.7,17.4,14.7,10.9,18.4,20.3,20.1,20.6,22.2
1954,21.3,22.3,20.1,19.1,15.9,16.2,13.7,16.5,19.4,20.1,22.5,22.1
1955,22.1,23.2,20.2,19,16.9,16.8,11.7,16.5,19.6,18.9,21.1,21.6
1956,21.3,21.9,20.5,17.7,14.6,12.8,14.2,14.5,18.5,19.6,20.5,22.8
1957,21.9,20.9,21.9,18.3,18.7,15.6,12.3,17,16.9,21.3,20.4,22.5
1958,23.9,23,21.5,19.6,16.8,16.9,16.3,14.7,17.7,19.9,21,21.1
1959,22.6,22.9,21,20.2,17.8,16,16.4,15.3,18.7,19.8,21.2,22
1960,22.9,21.5,21.1,18.6,14.7,15.8,15.1,15.8,19.1,20.7,20.2,22.5
1961,22.8,23.1,20.3,20,18,15.5,16,19.5,20.2,21.4,21.6,22.4
1962,22.3,22.8,22,19.3,16.2,13.8,11.2,15.6,18.9,17.9,21.4,22.5
1963,23,22.1,22,19.7,17.8,15.6,17.6,18.8,20.2,23.1,21.7,22.6
1964,23.4,22.7,21.4,21.2,17.9,14.4,14.3,16.7,17.7,19.4,20.5,21.7
1965,21.3,22.7,19,19.4,17.9,17.7,14.5,17.5,17.7,20,21.3,21.9
1966,23.1,22.9,21.2,19.6,17.7,17.5,14.7,14.9,18.1,21.1,22,22.6
1967,21.5,22.2,20.7,19.8,19.8,13.9,15.9,18.5,20.2,22.3,21.1,21.6
1968,21.7,22.3,20.8,16.3,14,16.2,16,17.5,16.1,21.4,23.7,22.1
1969,22,23.3,21.4,18.4,18,14.4,15.4,14.8,20.3,19.4,21.1,21.3
1970,22.7,21.6,21.2,19.2,17.8,16.4,14.2,15.6,17.9,20.5,19.6,22.2
1971,22.4,21.7,20.9,16.1,15.6,12,14.7,15.7,19,18.4,20.2,21.5
1972,21.9,21.2,21,17.5,18.9,18.9,15,15.6,18.9,19.8,21.5,21.5
1973,24.2,23.8,22.2,22.2,17.6,16.5,13.7,13.9,17.9,20.4,20.4,21.5
1974,22.3,22.2,20.5,18.8,15.9,15.7,16,16.3,18.1,18.8,19.9,21.6
1975,21.8,22.8,20.6,19,16.7,16,13.3,16.5,18.5,19.7,19.9,21.1
1976,22.6,21.6,19.6,17.2,16.2,14.1,14.4,14.3,15.7,19.3,19.8,21
1977,21.7,22,21.6,18,17.5,16.2,18.4,16,19,20.7,21.1,22.6
1978,22.7,23.3,22.2,17.8,16.5,15.9,18,14.1,18,21.2,21.2,21.4
1979,21.5,22.5,20.6,18.3,17,15,14.7,18.7,16.7,21.4,20.2,22
1980,21.4,22,22.1,20,18.7,15,14.8,16.7,15.9,20.5,21,22.3
1981,23.1,22.2,22.2,20.1,19.5,13.8,12.2,17.1,17.3,19.8,21.7,21
1982,22.3,22,20.2,19.1,17.1,16.9,17,16.8,18.4,20.3,21.6,20.7
1983,22.8,22,20.2,20.1,19.1,13.1,15.1,14.9,16.2,19.2,19.8,21.5
1984,22.6,22.2,21.4,18.3,18.7,16.4,16.8,14.4,17.9,22.6,21.7,21.4
1985,22.1,22.6,21.4,19.8,18.6,14.8,14.2,15.6,18.5,21.2,22.7,23.5
1986,22.8,22.1,20.9,20.9,18.7,16.3,14.4,17.2,17.7,18.7,22.2,21.8
1987,23.1,21,20,20.6,14.9,14.1,16.9,14.2,16.5,20,22,21.4
1988,22.9,21.3,21.7,20.9,16,15.5,12.1,18.2,20.3,19.8,21.7,22.9
1989,21.2,21.6,20.9,19.9,16.9,16.7,13.9,14.7,16.5,19.9,21.3,22.3
1990,22.2,22.6,22.2,21.6,15.9,14.9,11.7,17.3,16.7,21.4,22.8,23.3
1991,23.4,22,21.7,19.7,17.5,15.4,14.4,16.5,19,18.5,20.4,22.2
1992,22.7,23.9,20.2,18.1,17.4,18,11.4,14.6,16.5,20.6,20,22.1
1993,22.5,20.8,21.5,19.6,15.4,14.8,13.5,14.4,17.3,21.2,22,22.2
1994,22,22.8,20.9,19.9,20.3,17.9,15.3,18.5,19.1,21.8,21.4,22.6
1995,22.4,22.2,21.5,16.8,16.7,17.1,16.9,17.8,19,19.8,20.5,21.1
1996,22.4,22,20.7,19.5,17.7,13.1,13.6,17.7,17.2,20.7,20.7,22.5
1997,22,22.7,20.9,18.5,17.6,15.7,16.7,16.2,21,22.3,22.4,22.7
1998,24,22.9,21.2,19.7,15.7,15.2,18.2,16.7,16.8,19.9,21.1,21.5
1999,22.7,23.6,22.7,19.7,17,16.1,15.5,16.8,20.8,21.6,20.4,22.7
2000,23.9,23,21.4,20.4,17.3,17.4,11.8,17.2,17.2,22.3,20.8,22.1
2001,23,22.4,21.5,20.6,16.1,15,17.4,18.7,19.6,21.3,21.7,21
2002,23,21.8,23.3,22.6,19.6,16.6,14.9,18.5,19.1,23.2,22.2,23.5
2003,22.7,22,22.1,18.8,17.3,18.1,16.3,14,18.3,20.9,21.6,22.9
2004,23.2,22.3,21.5,20.9,13.8,15.7,14.3,15.9,19.4,20.3,20.5,22.2
2005,22.6,21.9,20.8,19.8,17.9,18.7,13.8,17.3,14.7,20.6,20.8,21.5
2006,22.5,22.1,21.7,19.8,15.2,16.5,15.1,16.7,17.9,21.6,21.3,22.5
2007,22.6,22.7,21.8,21.2,15.9,16.9,13.5,15.4,21.4,22.6,21.5,22.5
2008,22.7,22,21.2,19.4,16.6,14.8,17.5,17.7,17,22,20.5,22.2
2009,21.2,22.1,21.9,21,18.7,13.9,14.3,17.3,18.2,21.1,24.1,22.5
