1901,22.1,22.7,20.9,17.7,15.9,13.7,14.9,14.6,15.9,18.8,19.3,20.9
1902,21.9,23.9,22.3,20,17.7,16,16,13.6,17,17.8,21.1,22.8
1903,21.4,23.2,23.1,18.9,15.6,15.8,14.2,15.2,16.6,16.9,20.1,22.4
1904,21.6,22.1,22.5,19,14.6,13.1,14.6,15,16.7,17.4,19.9,21.1
1905,21.6,22.4,20.6,19.1,16.4,14.2,14.2,15,16.8,20.3,19.5,21.8
1906,22.1,22.1,21.1,19,17.5,14.8,14.6,16.1,15.5,18.6,19.5,21.4
1907,21.6,22.7,22.7,19.2,14.3,14.2,13.2,14.1,16.7,17.2,19.2,22.3
1908,21.8,21.9,20.6,19.1,16.1,15,14.9,13.7,16.1,17.3,19.3,21.4
1909,22.7,23.4,20.3,18.5,14.1,13.9,14.8,15.5,15.9,16.9,19.2,19.8
1910,23.3,22.3,21.5,20.2,14.8,15.5,13.3,15.7,15.6,16.7,19.3,20.9
1911,23.1,22.7,20,18.8,16.5,12.4,12.8,14.2,15.5,16.8,20.6,22.2
1912,22.8,23.9,22,19.4,17.7,15.5,12.7,15.4,14.1,17.2,20.4,21.8
1913,21.5,23,22.2,19.8,16.9,13.6,15.1,15.1,16.5,18.3,19.8,20.8
1914,23.6,23,22.2,19.4,15.9,16.8,16.5,15.5,17.2,18.8,21.2,21
1915,23.2,24.5,21.4,21.4,18.6,13.6,13.9,15.8,16.4,17.4,18.9,21.2
1916,23.1,21.6,20.5,18.8,17.3,14.8,13.4,14.5,17.1,17.1,19.9,21.2
1917,21.8,22.3,20.8,17.9,13.7,12.8,12.5,12.7,16.1,17,17.2,20.4
1918,21.8,21.8,20.6,18.2,15.6,13.2,12.6,13,14.5,16.8,18.9,20.1
1919,20.8,21.4,21,19.3,18.4,15.3,14.5,14,13.5,16.7,18.5,20.7
1920,22.9,23,21.7,19.9,16.2,14.1,14.4,13.2,15.7,18.3,20,21.7
1921,22.4,22.5,21.8,18.2,16.5,12.7,12.3,15.9,15.3,16.9,18.4,21.7
1922,22.2,22,21.3,19.2,16.2,14.3,14.8,16,16.4,16.5,19.1,20.9
1923,22.3,22.7,21.9,20.6,15.5,14.3,12.7,15.3,15.7,17.2,19.3,22.3
1924,21.3,21.5,22.2,19.1,16,14.9,14,13.5,15.5,15.8,18.4,21.2
1925,22.8,23.5,21.2,20.4,16.4,12.9,12,16.6,16.6,17.1,19.5,22
1926,22.5,21.5,22.2,19.6,15.6,15.6,13.7,15.6,17.2,17.9,20,21.8
1927,22.6,22.7,22.2,19.6,15.7,14.1,13.8,14.3,15.6,17.1,19.6,21.1
1928,22.1,23,21.9,21,16.4,14.5,14.4,14.3,16,17.6,19.8,21.9
1929,22.5,22.7,21,17.7,15.1,14,14.8,14.8,16.5,18.2,18.6,22
1930,22.8,22.6,21.7,19.1,17.3,16.2,14,15.4,15.5,17.3,19.1,21.3
1931,23.5,22.3,21.8,19.1,15.6,13.5,14.6,14.5,14.9,17.5,18.7,22.2
1932,22,23.4,22.3,20.4,16.4,14.1,15.8,14.1,16.8,19.1,20.5,21.3
1933,22.1,23.2,20.9,18.3,16.8,13.2,12.9,15.2,16.2,17.9,18.6,20.6
1934,22.4,22.3,22.5,19.1,17,15.9,14.1,15.3,16.1,17.5,19.8,20.9
1935,22.1,23.1,22.7,18,15.4,16,15.4,14.7,15.6,17.6,19.5,22.5
1936,22.9,21.9,21.5,19.4,19.2,17.1,15.4,14.3,15.7,18.5,19.5,21.7
1937,20.4,22.8,21.9,18.3,15.2,15.3,15.5,16.8,16.3,17.2,18.5,20
1938,22.8,22.3,22.9,18.9,16.3,15.3,14.2,14.5,16.3,17.5,19.2,21.1
1939,22.4,22.4,22.1,18.8,17.4,14.9,13.5,16.5,16,18.5,19,20.6
1940,22.6,22.1,22.2,19.5,18.7,16.4,16.7,15.6,16.4,17.3,19.2,23.9
1941,22.7,22.6,20.9,21.4,17.5,14.2,14,16.4,14.1,17.3,19,20.8
1942,22.3,22.7,21.6,18.5,15.8,13.4,11.5,15.3,15.9,17.2,19.4,20.3
1943,21.5,22.4,22.3,17.8,17.3,15.6,14.9,12.9,14.9,17.8,19.1,20.1
1944,22.1,21.8,21.7,18,16.4,15,13.2,16.3,17.3,20.2,18.4,21.4
1945,22,23,21.3,19.4,15.1,12.9,14.5,16.9,15.6,18.6,19.6,20.5
1946,21.5,23.1,20.8,18,17.6,14.5,12.7,16,17.5,18.2,20,20.9
1947,22.6,23.5,20.6,19,17.3,15.4,13,14.3,15.3,15.7,18.2,19.8
1948,23.1,22.4,20.7,19.2,16.4,15.5,15.2,13.5,16.9,17.4,19.3,21.5
1949,22.4,22.4,23,18.2,16.3,16.2,14.9,15.2,15.8,17,19.6,21.2
1950,21.7,22.3,21.6,20.1,17.9,15.1,14.3,16.2,16.3,17.1,18.7,21.5
1951,22.4,22.2,21,16.8,16.7,15,13.9,14.6,17.4,17.4,19.6,20.3
1952,23,22.1,22.7,17.3,18,14,14.8,16.8,15.2,17.8,19.9,21.5
1953,23.5,22.2,22.8,18.2,17.7,15.2,12.1,15.9,17.6,17.9,19.4,21.3
1954,23.4,23.3,21.9,19,15.9,15.6,14.6,16.3,16.7,17.2,20,21.3
1955,22.7,23.9,22.1,19.3,15.8,14,12.9,14.5,16.7,16.6,19,21.7
1956,23.8,23.1,21.4,18.2,14.1,13.4,13.6,14.5,17.1,18,18.2,20.7
1957,22.8,21.7,22,18.6,17.8,14.8,13.9,15.2,15.4,19.3,19.8,22.6
1958,23.9,23.6,21.6,18.9,16.4,15.9,16.8,16.5,16,18.1,20.7,22.1
1959,23.2,23.5,22,21.8,16.9,14.3,16.6,15.8,17.6,19.4,20.1,21.8
1960,22.4,21.7,22.2,18.9,14.8,14.7,15.5,15.9,17,19.7,20.1,22
1961,23,23.3,21.6,19.7,17.1,15.6,16,17.7,17.9,20.2,20.9,22.1
1962,21.9,21.7,22.1,18.9,15.5,13.6,13.4,14.8,16.3,16.7,20,21.4
1963,23.1,22.9,23,19.5,16.8,15,16,16.3,18.3,18.4,20.1,20.9
1964,22.4,22.6,21.7,19.8,16.9,13.8,12.6,15.6,16.6,17.6,19.1,20.6
1965,22,23.5,20.4,19.3,16.2,16.7,14.4,16.3,17,18,20,22
1966,23.1,23.2,22.4,19.7,17.6,16.1,16.1,14.3,15.4,17.4,19.8,21.8
1967,22,22.3,21.1,19.8,19,14.5,15.4,17.2,17.3,20.3,19.6,20.8
1968,22.3,21.6,21.7,17.1,14.8,14.7,14.9,15.5,15.8,17.9,21.4,21.8
1969,22.5,23.2,21.6,19.2,17,15.3,14.4,15,16.8,16.5,20,20.7
1970,22.5,23.4,22.2,19.7,17.9,15.6,14.6,14.9,16,17.7,18.4,21.8
1971,23.1,23.4,21.9,17.9,15.1,13.6,13.8,15.6,17.4,17.9,19.2,21.6
1972,22.6,22,21.9,18.1,18.1,16.8,14,15.4,16.4,17.5,19.7,21.9
1973,23.4,24.2,21.7,21.5,16.9,16.2,15.6,14.2,15.6,17.6,19.1,22
1974,23.5,23.4,22.7,19.3,18,13.7,15.5,15.3,16.6,17.8,19.5,21
1975,22.1,23.4,22.4,19.2,16.8,15.1,13,16.6,17.2,17.8,19.7,21.9
1976,23.3,22.6,21.4,18.6,16.6,14.3,14.1,14.8,15.5,17.4,19.7,21.9
1977,23.2,24.5,22.4,18.9,17.2,15.6,17.7,16.2,18,19.4,20,21.5
1978,22.9,22.6,22.3,17.9,14.7,14.2,16.3,14.9,16.8,19.4,20.1,21.7
1979,21,23,20.9,18.7,15.5,13,13.5,16.6,15.9,19,19.2,21.6
1980,22.1,23,23.9,20.6,18.4,14.3,14.3,15.4,14.5,18.1,19.6,22.4
1981,23.1,24.1,22,19.5,19.4,14.9,14.1,16.2,17.1,17.4,20.8,21.1
1982,21.6,23.2,21.8,19.3,16.9,16.7,15.5,16.9,17.7,18.1,19.8,21.6
1983,23.6,23.5,21.3,19.9,18.1,13.5,14.7,15.8,14.8,18.5,21.1,22.5
1984,24.6,25.2,22.2,19.1,18.6,15.7,15.2,13.6,16.1,19.1,19.6,20.6
1985,21.8,23.6,22.8,20.5,16.6,15,15,17,17.1,19.4,20.8,22.7
1986,23.9,23.4,22,20.7,17,16.6,14.7,16.5,16.9,18.3,20.7,22.2
1987,23.6,23.4,22.2,20.7,15.4,13.2,17.1,14.7,15.4,17.8,20.5,22.2
1988,24.1,22.2,23.2,19,15.2,13,12.9,14.6,16.6,17.7,19.7,21.7
1989,22.7,23.3,22.2,20.6,16.7,15.2,13.1,15.7,16.6,16.9,19.9,21.9
1990,22.8,23.5,22.7,21.2,15.7,13.9,12.9,15,15.5,19.7,22.1,22
1991,22.1,22.6,21.9,20.3,18.5,15.7,14.5,16.1,17.2,19.2,20.6,23
1992,23.1,24.2,22.6,20.1,17.2,16.9,13.2,14.3,16.5,18.8,19.7,21.8
1993,23.6,22.5,22.5,21.1,17.3,14.3,14.6,13.9,15.7,19.5,19.5,22.1
1994,22.3,23.8,21.7,19.7,19,14.7,15.2,14.9,17.5,19.2,20.5,23.5
1995,23.6,22.7,22.7,21.7,16.9,14.9,16.8,16.7,16.6,17.5,20.6,22.9
1996,23.5,23.6,22.2,20.7,17.3,14,12.5,15.5,16.1,19.2,20.7,23.4
1997,23.3,23.8,21.6,19.6,17.2,15.2,16.2,16.7,17.6,18.5,20.8,23.5
1998,23.6,23.6,22.3,20.2,17.1,14.3,15.5,16.8,16.8,18.5,19.7,22.3
1999,23.3,23.4,23.6,19.1,16.4,14.3,14.7,15.8,16.9,17.4,18.8,22
2000,23.4,22.9,21.8,20.4,16.8,16.7,12.3,14.5,16.2,19.8,20.3,22.6
2001,24.2,24.7,24.1,21.6,16.8,16.1,15.1,17.7,17.3,19.6,20.9,22
2002,23.4,22.8,24.5,21.4,19,16.5,16.7,17.3,16.1,21,21.5,22.8
2003,23.9,25.3,23.2,20.5,17.1,17.1,15.8,14.8,16.5,19,20.6,22
2004,22.6,22.6,22.6,21.4,16,15.8,14.5,16.1,18.7,18.2,20.3,21.7
2005,23.5,23.2,22.6,21.2,18.7,18.4,15.5,17.6,16.4,19.1,20.7,21.6
2006,24.4,23.7,23.5,20,16,16.2,17,16.5,16.4,19.4,20.1,23.5
2007,23.7,23.8,24,21.6,15.9,15.8,13.8,15.4,18.8,20.2,20,22.8
2008,22.7,23.2,22.5,19.7,17,14.5,16.6,16.8,16.1,18.8,20,21.7
2009,22.5,23.8,23.3,20.6,18.1,14.2,13.9,16.5,17.5,18.5,22.9,23.3
