1901,23.6,23.7,23.7,22.4,20.1,17.5,17.2,20.2,23.5,25.1,23.9,23
1902,23.1,23.4,22.9,23,19.8,17.5,17.6,20.1,24.3,24.5,24.2,23.6
1903,23.3,23.6,24,23.5,20.6,17.5,17.4,20.2,23.1,24.8,24.1,23.1
1904,22.8,23,22.8,22,19.7,17.8,17.1,20,23.2,25,24.4,22.9
1905,23.3,23.3,22.8,22,19.6,17.6,16.9,20.2,24,25.6,24.2,23.6
1906,23.5,22.9,22.8,22.2,19.9,17.5,17.1,19.8,23.6,24.6,23.5,23.1
1907,22.8,23.1,22.8,21.6,19.8,17.2,16.5,19.4,23.5,24.7,23.9,22.8
1908,22.9,23,22.8,21.8,19.5,17.9,17.2,20.4,24.2,25.4,23.8,23.2
1909,22.9,23.1,22.4,20.9,19.7,17,17.3,20.2,23.6,24.9,23.8,23.4
1910,22.9,23.2,22.5,21.5,19.3,17.4,17.1,20.1,23.5,24.6,23.3,23.1
1911,22.7,23,22.7,21.9,19.5,16.8,16.8,19.8,23.2,25.2,24.2,24
1912,23,23.6,22.8,23,20.5,17.2,16.9,19.7,23.5,24.7,24.8,23.4
1913,23.5,23.6,22.8,22.4,19.9,17.2,17.5,20.1,23.8,25.1,24,24
1914,23.5,23.1,23.3,22.7,19.9,17.7,17,19.7,24.3,25.3,24.2,23.2
1915,23,23,22.3,22.4,19.5,17.4,17.6,19.8,23.5,24.9,24.1,23.4
1916,23,23.7,23.4,21.7,19.5,17.6,17.4,19.7,23.8,25.4,23.9,23
1917,22.8,23.3,22.9,22.1,20.1,17.8,17.3,19.8,23.6,25.4,24.3,22.7
1918,22.1,22.6,22.3,20.6,18.5,17.6,17.8,18.8,23.1,24.5,22.9,22.4
1919,22.4,22.8,22.5,22.5,18.3,16.7,17.8,19.3,23.6,24,23.6,22.7
1920,24,23.3,22.8,21.5,19.7,17.4,17.2,19.3,23.7,24,23.9,24
1921,23.9,23.6,23.1,22.4,19.7,17.8,16.9,19.5,23.4,24.7,23.5,23
1922,24.7,24.1,24,22.5,20.6,18.9,17.6,20.7,23.4,22.7,23.8,24.1
1923,22.3,23.1,22.6,21.8,19.8,18.5,17.3,21,22.3,24.6,24.6,24.3
1924,24.6,23.8,23.4,21.4,19.6,18.2,16.6,19.2,23.2,24.1,23.5,22.6
1925,22.8,22.3,22.5,21.9,18.7,17.9,16.5,18.9,22,24,24.3,23.9
1926,24,23.6,22.8,22.5,19.4,17.1,16.1,18.5,23.4,24.1,24,23.1
1927,23.7,23.5,23.3,22.5,19,16.5,16.5,18.8,22.9,23.9,23.8,23.6
1928,23.6,24.6,23.7,22.5,18.7,18.1,16.1,18.9,24.4,25.6,24.7,24
1929,23.4,23.9,22.5,21.9,19.9,17.9,17,19.1,24.2,25.9,24.9,22.9
1930,23.3,24.3,23,21.9,18.2,16.7,16.4,19.1,22.8,25,25.1,23.7
1931,24.2,25.1,24.7,23.2,20.7,17.4,17.5,20.1,23.4,25.1,22.4,23.3
1932,24.3,24.2,22.8,22.5,19.9,16.7,15.6,18.4,23.7,25.5,24.9,23.2
1933,23,23.8,24.4,23,19.5,18,17.7,19.6,22.6,25.2,23.4,22.6
1934,23.2,23.8,23.2,22.4,20.6,18.5,18.3,20.7,22.9,24.8,24.1,23.3
1935,23.5,23.3,23.5,22,20.4,16.4,17.3,18.1,24,25.3,24.2,23.8
1936,23.3,24.5,22.6,21.1,19.1,16.7,16.7,19.1,22.1,25.2,24,23.4
1937,23.8,23.5,23.1,22.1,19,16.7,15.9,18.5,22.1,22.8,23.2,21.4
1938,23.3,23.5,23.1,23.4,20.5,17.4,16.9,20,23.7,25.4,22.8,22.5
1939,24,24.1,23.5,22.4,21.3,17.4,18.5,20.6,23,24.6,23.5,22.8
1940,24.1,24,23.9,22.9,19.8,18.2,17.7,21,25.2,24.5,24.9,24.8
1941,23.5,24.5,24.2,23.6,21,18.8,18.4,21,24.5,26.2,25.3,23.3
1942,24.4,24.9,24.6,23,20.5,19.3,17.4,21.4,25.6,24.8,25,23.2
1943,24.1,23.6,23.7,22.9,20.5,17.4,18.3,20.5,24.6,27,24.6,23
1944,23.3,23.5,23.5,23,19.2,18.6,18.4,21,24.5,25.7,24.3,24.1
1945,23.5,23.8,23.8,22.9,19.9,16.3,17.9,19.9,24.2,26.1,24.4,23.3
1946,23.5,24.6,24.1,22.7,20.3,17.2,16.5,18.7,23.6,25.6,24,23
1947,23.3,23.6,23.4,22.7,19.8,17.3,15.5,19.6,23.4,24.5,24,22.4
1948,22.6,22.8,22.5,21.7,20.6,17.4,17.3,19.6,22.9,24.8,23.4,23.7
1949,24.4,23.7,23.9,23.3,21.5,18.2,18.4,21.3,25.1,26.5,25.1,23.2
1950,23,23.6,24.1,23.1,19.8,17.8,18.6,19.9,24.2,24.4,24.7,22.8
1951,22.7,22.8,23.6,22.7,21.1,17.5,17.7,20.3,24.1,24.9,24.2,23.1
1952,23.4,23.3,24.4,23.4,20.1,18.5,18.4,21.4,24.8,25.7,23.3,24.1
1953,23.5,23.7,23.3,22.8,20.1,15.7,16.6,20.2,21.7,25.2,24.7,23.3
1954,23.3,24,23.7,22.5,20.3,16,16,19.3,24.2,26,23.9,22.8
1955,22.5,23.4,23.2,22.4,19.9,17.7,17,19.6,23.4,24.8,24,23
1956,22.5,22.8,23.3,21.8,19.1,16.6,16.7,20,22.7,25.6,23.2,22.9
1957,23.4,22.7,23.5,22.9,19.5,17.2,18.4,20.2,24.8,24.2,24.7,23.3
1958,23.4,23.2,24,23.4,20.2,16.9,16.5,18.4,24.6,24.2,24,23.3
1959,23.7,23.6,23.5,23,20.4,17.9,17.9,19.3,23.2,25.3,23.9,23.3
1960,23.8,23.2,23,22.3,19.4,18.2,16,21,24,25.5,23.8,24.4
1961,22.7,22.5,22.9,22.3,20.6,17.2,17.4,18.4,23.8,25.3,23,22.3
1962,22.6,22.8,22.9,22,17.8,16.9,16.9,19.3,23.5,25.2,23.7,21.7
1963,22.7,22.9,22.9,21.9,18.3,16.1,17.1,19.1,23.5,24.2,22.4,22.7
1964,23.3,23.7,23.9,22.3,19.3,15.9,15.4,19.6,23.1,24.4,23,22.1
1965,22.5,22.6,23,21.5,18.5,17.2,16.6,19.6,23.5,24.5,23.6,22.9
1966,22.8,23.2,22.7,21.6,19.7,17.9,16.9,19.6,23.4,24.8,24.4,23.2
1967,22.6,22.8,23.2,22.4,19.4,17.8,16.2,19.3,23.1,24.9,22.6,22.8
1968,22.5,23,22.7,21.7,19.8,15.3,17,20.4,23.8,25.5,23.1,22.1
1969,22.9,23.1,23.4,22.7,20.1,17.1,17.3,20.4,23.7,24.1,23.2,22.3
1970,23,23.7,22.3,22.3,20.1,17.6,18.2,20.2,24.2,24.6,23,22.7
1971,22.3,22.8,23.4,22.3,19.4,17,17.4,19.7,23.3,25.2,23.2,23.2
1972,22.6,23.3,22.8,22.1,19.9,16.5,17.1,19.4,24.2,24.9,23.7,23.8
1973,24.2,22.6,24.5,22.9,20.8,17.1,17.6,20.1,24.7,25.3,23.4,22.5
1974,22.1,22.7,23.1,21.8,19,16.5,16.5,20.6,22.9,25.1,23.4,23
1975,22.1,22.9,22.9,22.1,20.5,18,17.6,19.2,24,24.4,25,22.8
1976,22.4,22.6,22.7,21.9,18.5,16.9,16.9,18.4,23.4,24.9,24,23.4
1977,23.3,23.4,23.3,22.1,20.2,17.4,17.9,20.2,24.4,26.5,24.1,23.2
1978,23.2,23.1,23,22,19.2,17.6,16.6,21.3,24.5,24.8,23.3,22.9
1979,22.7,23.1,23.5,22.7,19.7,16.6,17,20.5,24.1,24.8,23.8,22.8
1980,23.2,23.6,23.4,22.3,20.1,16.3,16.5,19.7,24,24.6,24,23.1
1981,23,23.2,23.1,21.9,18.8,16.7,16.7,21.2,23.4,25.1,24.8,24.1
1982,23.2,23.8,24.1,22.7,19.6,18.4,17.5,20.4,24.1,24.3,23.3,23.7
1983,23.3,24.5,24.5,23.4,19.6,18.6,18.7,19.2,22.4,25.3,24.5,25.7
1984,23.3,22.9,23.5,22.5,21,18.1,17,20.1,25.1,25.7,23.5,22.9
1985,23.5,24.3,24.2,22.3,19.9,17.6,17.9,19.8,24.7,25.3,24.9,23.2
1986,22.9,23.1,23,22.5,20,17.4,16.8,20.6,24,23.5,23.6,23.7
1987,23.9,23.7,24.5,23.3,21.3,17.8,17.8,21.3,24.9,25.5,26,23.5
1988,23.7,24.2,23.5,23.3,19.7,18.5,17.6,20.7,24.3,24.9,24.5,23.3
1989,23.2,22.5,23.2,22.3,19.6,17.6,16.6,21,23.4,24.7,25.5,24.3
1990,23,23.2,22.3,23.1,21.3,19.4,18.1,20.6,24.5,25.7,26.1,23
1991,23.1,24.1,23.3,22.4,20.7,18.3,17,20.3,23.8,24.6,23.8,23.2
1992,24,25,24.3,23.4,20.9,18.6,18,19.9,25.6,25.6,23.7,23.6
1993,23.3,22.9,23.1,22.8,21,17.5,17.8,20.7,23.2,26.6,24.2,23.9
1994,23.3,23.4,24.9,21.5,20.9,17.6,17,21,24.7,25.6,26.1,23.8
1995,24.9,23.4,24.1,23.3,21.6,17.9,17.7,22.5,24.1,27.2,26.2,24
1996,23.7,24,21.9,22.6,20.6,17.2,17.5,21.9,25.3,27.5,26,24.6
1997,23.6,23.6,24.3,23.1,20.2,20,18.7,21.5,25.1,25.9,25.9,25.5
1998,23.9,24.9,24.6,23.9,21.6,19.1,19,21.4,24.8,27,25.3,23
1999,22.7,23.9,23.4,22.8,20.8,18.3,17.9,20.4,23.2,24.7,24.7,24.5
2000,23.7,23.6,23.3,20.8,21.1,19.3,17.8,20.2,24.8,26.1,23.3,23
2001,23.8,23.5,23.9,23.5,21.5,17.6,17.3,21.8,25.1,25.1,23.9,24.3
2002,23.7,24,24,23.6,20.8,18.7,19.5,21.8,23.2,24.7,25.8,24.4
2003,24.6,24.3,24.7,23.1,21.2,19.7,17.8,21.6,25.2,26.3,25.2,23.5
2004,23.4,23.8,24.2,23.5,19.6,17.3,17,20.7,24.4,24.9,23.9,24.7
2005,24.9,24.5,25.4,24.4,22.2,20.4,19.2,21.8,23.5,27.3,25.7,23.4
2006,22.6,23,23.2,22.3,19.7,17.5,17.6,20.4,23.5,25.6,24,23.1
2007,22.9,23.3,23.3,22.5,19.9,17.6,17.2,20.1,24.1,24.9,24.1,22.9
2008,23,22.9,23,22.2,20,17.3,17.4,20.2,24,25.2,24.2,23.2
2009,24.4,24.1,23.1,21.8,19.9,17.8,17.2,23.4,24.3,25.3,24,24.7
