1901,22.8,23.7,20.1,19.6,16.4,15,13.6,15.2,15.3,17.7,19.5,21.3
1902,21.6,23.6,22.1,18.4,17.8,14.1,14.2,14.1,15.1,18.3,18.8,21.8
1903,22.2,22.6,21,18,15.9,13.5,13,13.9,16,16.9,19.1,21.8
1904,22.7,23.4,20.9,19.1,16.6,14.5,14.5,14.8,15.5,17.6,19.3,20.6
1905,22.9,22.8,21.1,19.5,15.2,13.1,14.9,13.1,15.9,17.9,19.4,21.6
1906,23.2,23.2,21,18.1,16.2,15,12.7,13.9,15,17.1,20,21.3
1907,22,23.2,21.5,18.6,14.7,13.4,14.1,15,16,16.9,18.5,20.9
1908,21.9,22.7,20.7,17.7,16.3,13.3,14,13.7,15.3,17.4,19.1,22
1909,23.3,22.2,20.5,19.7,16.2,14.7,13.8,14.4,16.2,17.4,19.6,20.4
1910,22.7,22.7,20.7,18.3,16.4,13.8,14.2,13.8,15.3,17.5,18.5,21.7
1911,22.7,24.1,21.5,18.6,16.6,13.6,12.9,14.3,16.3,18.1,20,21.7
1912,22.5,23.1,21.3,19.3,15.8,15.4,13.6,14.1,15.2,18.3,19.6,21.8
1913,23.6,23.7,21.1,19.3,16.8,15.1,13,15.1,15.2,17.7,20.4,21.3
1914,23,23,21.1,19.1,17.2,13.8,14.4,14.3,16.2,19,19.4,21.1
1915,24.1,23.9,22,18.3,16.3,14,12.6,14.7,15.9,17.9,20.3,22
1916,22.5,23.2,21,19.8,15.3,13.1,14.3,14.8,16.1,18.3,20.5,22.3
1917,22.8,24.1,21.1,19.2,15.3,13.3,13.5,13.5,15.5,17.8,19.4,22.1
1918,22.5,23.2,21,19.9,16.2,14.2,12.9,15.4,16.5,18.7,20,21.9
1919,22.9,23.5,22.2,20.2,16.9,14.5,13.4,15.1,15.1,18.6,19.7,22.2
1920,24.2,23.7,21.5,20.3,16.9,14.1,14.7,15.2,15.3,17.8,21.4,21.2
1921,21.9,24.6,22.4,19,16.4,14.4,12.6,13.8,15.1,17.3,20.3,21.8
1922,22.2,22.9,21.8,19.4,16.2,13.5,14.3,13.6,16.1,18.3,19.1,22
1923,22.7,23.3,21.8,18.6,15.5,13.6,13.4,15.1,15.7,19.2,20.8,22
1924,23,23.1,20,19.6,15.4,14.1,13.9,13.9,15.7,17.4,19.5,23.1
1925,22.7,24.7,21.7,19.1,16.2,13.4,14,15.8,16.3,17.8,20,21.5
1926,23.8,23.5,21.5,19.3,16.5,14.2,12.7,14.4,15.3,17.8,19.2,21.8
1927,23.4,23.4,21.1,19.7,15.9,14.6,14.5,15.7,16.8,18.7,21.2,22.1
1928,23.3,23.2,21.5,19.5,17,13.7,15.1,15.1,15.8,17.7,19.6,22
1929,23.1,22.9,21.3,19.4,16.6,14.2,13.4,15.4,16.1,18.5,20.3,22.5
1930,23,22.8,21.6,19,17.9,14.2,14.2,15.1,15.2,18.9,20.9,22.8
1931,24.3,24.5,22.9,18.3,16.6,13.9,13.3,15.1,16.2,18,21.7,22.1
1932,22.2,24,22.2,21.8,18.3,14.3,14,16,16.1,18.5,21.1,21.6
1933,23.4,23.2,21.2,20.2,16.7,13.2,13.6,13.8,16.4,19,20.8,23
1934,22.9,23.9,21.3,21.4,18.5,16.5,12.9,15,17.3,18.8,21.1,22.3
1935,23.5,23.6,20.4,19.5,15.7,14.2,13.3,14.9,15.6,18.4,19.3,21
1936,21.5,22.1,22.8,20.1,15.6,15.6,15,16.5,16.9,17.8,19.6,21.9
1937,23.5,25.1,21.8,19.9,17,14.3,14.3,16.2,15.8,18.5,20.7,22.3
1938,22.9,23,22.4,19.5,16.6,15.2,15.1,14.1,16.9,18.2,19.7,22
1939,23.4,23.3,21.6,18.9,17.5,15.4,14.3,14.9,16.6,19.1,21,22.5
1940,24.3,24.6,21.4,19.3,17.4,16.1,16.1,17.7,15.4,20,20,23.3
1941,24.1,24,23.2,20.1,15.8,13.9,15.5,16.6,16.3,19.1,19.9,22.6
1942,23.3,24.7,22.4,21.1,16.8,14.5,14.8,15.5,15.8,18.3,21.3,21.6
1943,22.7,22.6,22.8,19.4,16.3,14.9,13.5,14.7,16.8,18.7,20.6,22.8
1944,24.3,24.9,21.6,19.9,15.8,14,14.6,15.5,16.2,19.5,20.3,21.8
1945,23.4,24.6,21.3,21.3,18.5,14.3,13.8,15.8,18.3,17.3,21.5,21.9
1946,23,23.9,21.4,19.8,17.4,14.7,14.5,15.8,16.2,17.7,21.4,22.8
1947,23.3,25,21.4,19.3,16.7,13.3,12.7,17.1,16.2,18.9,21.5,22
1948,23.4,23.1,19.7,18.8,17.9,15,14.6,16.2,16,18.5,20.5,22.6
1949,24.6,23.5,23.3,20.6,17.8,17.2,14.5,14.9,16.9,19.8,20,22
1950,23.5,23.8,22.6,18.5,17.4,15.3,13.6,15.3,17.4,19.3,19.9,21.1
1951,22.1,22.9,21.5,19.7,17.1,15.1,14,16.1,16.1,17.3,20.5,22.2
1952,24.2,23.9,21.4,20.2,16.8,15.4,14.5,15.4,17.7,18.6,20.7,22
1953,24.5,24.1,22,19.3,17.1,15.1,13.9,14.8,18.5,18.8,19.7,22.1
1954,23.5,23.9,20.4,19.1,16.5,15,12.8,15.2,16.8,17.7,20.5,22.2
1955,23.2,22.1,21,18.7,17.6,13.4,14.4,13.8,16.3,17.8,20.1,20.6
1956,24.3,23.1,22.1,19.5,15.3,14.5,14.9,14.1,16.4,18.3,20.9,21.4
1957,24.3,24.2,21.9,19.6,16.7,14.3,13.7,15.8,16.9,17.4,21.5,23.7
1958,23.8,23.9,21.6,19,16,14.7,16.5,15.4,16.8,18.4,21.3,23.4
1959,23.2,23.6,21.9,19.1,15.9,15.8,14.9,16,17.4,18,21.4,22.5
1960,23.2,24,21.6,18.4,15.9,15.5,15,15.9,17.9,20.4,21.6,23
1961,23.8,23.9,22.1,19,15.5,15.7,15.2,15.9,17.4,17.7,21.5,22.1
1962,23.7,23.7,21.9,20.5,17.6,15.2,15.8,16.1,17.2,18.8,20.6,24.1
1963,23.6,24,20,18.1,16.8,15.6,13.1,16.1,19,19,21.4,23.2
1964,23.9,23.6,23,20.1,18.7,14.2,15.2,14.9,15.7,18.2,19.9,23.1
1965,23.9,24.4,22.8,19.7,17.6,14.3,14.6,16,18,17.7,19.6,21.7
1966,23.8,22.4,23.1,19.5,16.4,15.5,14.9,15.7,16.8,19.3,21.2,23.3
1967,23.7,23.8,21.8,17.6,17.1,14,14,16.3,17.5,18.8,22,23.8
1968,24.3,23.6,22.1,18,16.6,12.7,14.6,14.7,16.6,18.2,20.7,23.1
1969,24.7,24.6,22.4,18.4,16.8,14.6,15.2,16.5,17.1,18.6,21.5,23.8
1970,25.2,23.5,23,20.1,16.9,15.4,14,15.3,17.2,18.3,20.2,21.7
1971,23.6,23.4,22.5,19.2,17.1,15,13.3,13.6,15.6,18.6,20,22.5
1972,25.2,23.6,21.6,20.6,17.7,15.2,15.1,15.2,18.1,19.9,21.2,23.3
1973,24.3,23.5,22.3,19.8,16.2,16.7,15.4,14.6,16.3,19.9,20.5,22.2
1974,23.2,23.2,20.7,20.2,16.5,15.3,15,14.8,16.4,18.9,21.6,23.1
1975,23.7,24.1,21.5,20.8,17.9,16,14,15.4,16.3,18.6,20.9,21.2
1976,23.9,23.5,21.3,19.9,17.5,14.4,13.9,15.1,17.1,17.6,19.9,23.3
1977,24.2,24,22,20.7,15.6,15.5,15.1,15.8,16.6,19.1,21.1,23.2
1978,24,24.6,23.8,19.4,17,15.7,15.9,15.4,16.9,17.5,21.2,22.1
1979,23.3,24.6,22,21.7,17.8,15.2,13.6,14.9,16.6,19.4,21.7,23.3
1980,23.8,24,23.5,21.2,18,15.2,16.8,16,17.1,18.8,19.9,23
1981,23.5,23.5,21.3,20.5,16.6,13.6,14.6,13.3,16.7,18.1,21,22.1
1982,23.4,24.2,21.5,17.6,16.6,14.1,13,15.2,16.9,19.1,20.6,22.8
1983,24.7,23.9,23,21.5,17.4,14.7,14.6,16.3,17.1,19,21,23.6
1984,24.4,24.6,22.4,20.9,17.3,16.2,14.9,16.2,18.3,19.2,21.6,22.2
1985,24.2,23.4,22.1,21,18,15.7,14.1,17.4,18.2,19.7,21.3,21.9
1986,24,23.3,22,20.5,19.4,16.4,15.7,16.1,17.9,18.3,20.1,23
1987,23.8,25,22.9,20.7,19.2,15.5,15.7,16.5,16.4,18.6,21,22.7
1988,24.5,23.3,21.3,18.7,19,14.8,14.5,17.3,17.4,18.5,20.9,21.6
1989,23.8,23.2,22.3,19.9,17,14.7,15.1,16.5,17.1,17.9,20.1,22.7
1990,24.8,23.2,20.5,19.5,17.1,14.4,14.7,15.9,17.5,18.2,21.2,22.1
1991,23.8,23.5,22.3,21.7,18.3,14,14.7,14.3,17.6,18.1,20.8,23.1
1992,24.2,24.3,22.1,21,17.9,14.7,15.2,14.8,16.4,18.1,20.1,22.6
1993,24.4,24.2,23.3,19,16.2,15,15.7,15.5,17.1,18.4,21.9,21.7
1994,23.3,23.7,21.7,20.2,17,14.4,14.5,14.6,17.3,18.7,21,22
1995,22.1,24.2,21.1,18.1,16.7,13.9,13.3,15.4,17,17.2,20.4,21.5
1996,24.1,24.3,21,20.4,18,16,12.8,14.5,16.8,18.2,18,22.1
1997,23.9,23.5,21.2,18.2,17.4,13.4,14.7,15.9,18.6,20.6,20.5,22.9
1998,23.6,24.7,21.4,20.7,17,15.7,14.7,15.5,16.2,19.2,20.3,22.5
1999,25.1,24.4,22.5,19.7,16.9,16.8,15.6,17.1,16.6,19.4,21.6,24.5
2000,23,23.8,20.7,18.8,16.1,16.2,15,17,16.9,18.8,21,22.3
2001,22.7,23.8,21.7,17.9,18.1,15.9,14.3,15.4,16.1,19.2,20.4,22.5
2002,23.5,24.2,23.1,20.6,16.1,14.6,13.6,15.5,17.4,18.9,20.9,23.3
2003,24.2,25.3,22.7,20.2,17.1,14.9,14.9,14.7,17.1,19.2,21.4,22.8
2004,21.3,24.6,21.5,20.9,18.9,16.2,14.7,16.3,17.8,19.4,23.1,24.2
2005,24.4,24.7,23,20.2,18.1,14.6,16.9,15.9,18.5,20.8,22.1,22.5
2006,24.3,25.3,22.7,20.8,16.8,16.5,15.6,15.1,18,19.6,21.7,23
2007,25.6,24.8,22.4,21.2,18.3,16.5,15.4,16.6,18.3,19.3,20.7,22.9
2008,24.1,24.5,23.5,20.4,19.2,15.5,15.5,16.5,16.9,19.1,21,23.1
2009,24.2,24.8,23.5,21.7,17.8,15.4,15.7,17.2,17,19.3,22,22.4
