1901,28,27.2,26.7,24.6,23,21.4,20.7,21.1,22.9,24.7,26.5,26.2
1902,28.1,27.3,26.3,25.2,23.4,21.4,21.1,21.3,24.3,25.1,26.1,26.6
1903,27.6,27.2,26.8,25.1,23.6,22,20.7,21.7,22.6,24.4,25.6,26.4
1904,27.2,27.1,26.5,24.6,23.4,21.2,20.4,21.7,22.7,25.3,26.4,26.8
1905,27.8,27.2,26.4,24.3,23.5,22.2,20.7,21.9,22.8,25.4,25.4,26.4
1906,28.3,27.4,27.1,25.1,23.2,21.4,20.7,21.4,23.1,24.6,25.6,26.4
1907,27.6,27.3,26.2,24.8,23.2,21.5,20,21.6,23.5,25.8,25.8,26.1
1908,27.8,27.1,26.9,24.9,22.8,21.8,20.7,22,23.9,25.8,26.2,26.3
1909,27.4,27.2,26.5,24.8,22.9,20.8,21.2,21.6,23.9,24.4,25.9,26.2
1910,27.7,27.3,26.5,25,22.9,20.9,20.5,21.7,23.6,25.3,24.9,26
1911,27.5,26.8,26.3,24.1,22.8,21.2,20.9,21.6,23.5,25.3,25.6,27.1
1912,28,27,27.1,25.1,23.6,21.6,20.8,22,24.2,25.3,26.4,26.6
1913,27.3,27,27,24.3,23.7,21.3,20.4,22.2,23.7,25.6,25.7,26.3
1914,27.4,27.6,26.6,25,23.3,21.8,20.6,22,23.8,25.1,25.3,27.1
1915,27.8,27.4,26.7,25.3,23.4,21.4,21.2,21.3,23.2,25.7,25.8,26.5
1916,27.7,27.1,26.7,25,23,21.3,19.9,21.8,23.4,25,25.1,25.7
1917,27.2,26.5,26.2,24.7,23.6,21.7,21.1,21.7,23.1,23.9,25.4,25.8
1918,27.8,26.9,26.4,24.4,23,21.6,20.5,21.4,23.4,25.3,25.7,26.6
1919,27.7,27.4,26.7,24.3,22.5,21.3,20.2,22.4,24.2,25,26.3,26.9
1920,27.5,27.1,26.5,24.3,23.2,20.8,20,21.8,24.2,25.7,25.5,26.1
1921,27.4,27.1,26.2,24.3,23,21.3,20.7,21.7,23.6,25.4,25.6,26.1
1922,27.1,27,26.5,23.8,22.9,21,20.1,21.6,23,24.8,25.8,26.8
1923,27.9,27.4,26.9,25.2,23.6,21.4,21.2,21.4,23.9,25.3,26.2,26.6
1924,27.7,27.2,27,24.7,23.5,21.5,21,22,23.7,24.9,25.7,26.3
1925,27.5,27.2,26.4,25.1,22.7,22.2,21.4,21.5,24.5,25.4,25.7,26.6
1926,28.1,27.7,27.4,25.7,23.7,22.3,21.2,22.2,24.3,25.5,26.4,26.8
1927,27.6,27.4,26.4,24.9,23.3,21.5,20.4,22,23.7,25.3,25.8,27
1928,27.3,27.5,26.9,25.5,23.7,21.3,20.8,21.9,23.6,25.4,26,26.5
1929,28,26.6,27.2,25.2,23.2,21.9,21.2,21.9,23.7,25.9,26.1,26.3
1930,27.2,27.5,26.5,24.9,22.6,21.2,20.5,21.2,24.4,24.9,26.1,26.7
1931,27.1,27.2,26.3,24.6,23,21.1,20.5,21.4,22.9,24.3,25,26.4
1932,27.6,27,26.6,24.4,22.4,21.2,20.6,21.6,23.1,24.6,25.9,26.4
1933,27.5,26.9,26.2,24.7,23,21.2,20.7,21.6,22.7,24.9,26,26.4
1934,27.4,27.1,26.7,24.8,23.2,20.6,20.6,21,22.9,24.6,25.5,26
1935,27.4,27,26.6,24.4,23.3,21.3,19.9,21.9,23.8,25.1,25.2,26.2
1936,27.4,27.7,26.8,24.9,23.4,21.1,20.5,21.3,23.3,25.4,25.8,26.3
1937,27.3,27.4,26.4,24.8,22.9,21.7,20.5,21.5,24,24.7,26.4,26.6
1938,27.7,27.2,26.8,25.1,23.4,21.1,21,21.9,23.4,24.9,25.1,26.8
1939,27.7,27.5,26.5,24.8,23.4,21.5,20.8,21.4,23.5,25,25.7,26.1
1940,27.1,27.1,26.5,24.7,22.8,21.2,20.6,21.4,23.1,24.2,25.3,26.6
1941,26.5,26.3,25.7,25.3,23,22.2,21.1,21.5,22.3,24.1,25.9,26.8
1942,28.6,27.7,26.4,23.8,22.1,21.6,20.7,21.9,22,22.7,24.4,25.6
1943,26.6,25.8,25.2,24.4,22.2,21.1,21,21.7,21.4,24,25,25.6
1944,27.4,27.1,25.3,23.9,21.7,21.3,21.2,21.7,22,23.7,25.5,25.7
1945,26.8,26,25.6,24,22.1,19.9,20.4,20.7,21.8,23.9,24.8,25.6
1946,27.7,27.1,26.2,23.9,21.9,20.7,20.4,21.2,22.2,24.1,25.1,26.6
1947,27.3,26.5,25.1,24.3,21.8,20.6,21.1,21.1,21.7,23.9,25.6,26.4
1948,27.5,26.2,26.1,24.5,23.2,21.5,20.8,20.9,21.7,23.8,24.2,25.4
1949,27.2,25.4,25.2,23.5,22.3,20.9,20.7,21.4,21.9,24.1,24.5,26.6
1950,27.2,26.1,25.4,24.6,21.2,20.8,20.5,20.3,21.4,22.9,24,26.1
1951,26.6,25.1,25.3,23.6,21.9,20.5,20.6,21.3,21.4,23.4,23.9,26
1952,27.2,25.9,25.4,24.5,23,21.2,21.2,21.6,22.2,23.6,23.6,25.4
1953,27.4,26.7,25.3,23.9,22.6,21.4,19.8,20.8,22,24.1,24.8,26.3
1954,27.5,27,25.5,24.6,23.3,20.1,20.5,21.3,22.5,24.2,25.6,26.7
1955,27.5,26.3,24.8,23.4,21.4,20.6,20.8,21,22.4,23.3,24.1,26
1956,26,26.8,26.4,24.5,23.5,21.7,20,21.5,23.1,24.5,24.3,25.8
1957,27.8,26.3,26.1,23.9,22.3,20.1,20.5,21.7,23.3,25.3,25.6,26
1958,27.7,27.6,25.8,25.2,22.3,21.1,19.8,21.4,22.7,23.6,25.5,26.7
1959,27,26.8,25.3,23.4,23.3,20.9,21.2,22,22.8,23.2,25.1,27
1960,26.7,26.8,25.5,23.9,21.8,21.5,20.2,21.9,23,24.5,25.4,26.8
1961,28.1,28.6,27.5,25.7,23.7,21.8,21.5,20.9,22.5,24.8,25,25.9
1962,28.3,27.2,26.4,24.8,21.8,20.5,20.3,22,22.4,24.8,25.6,26.5
1963,26.2,27.1,25.9,24.4,21.8,20.8,20.7,20.7,22.8,23.7,24.1,25.4
1964,26.6,26.9,26.2,24,21.9,20.7,19.3,20.3,21.9,24,24.6,25.7
1965,25.5,26.1,25,23.7,22,19.9,20.3,21.2,22.6,23.3,24.6,26
1966,27.8,28.1,25.5,23.5,22.3,21.4,20.7,21.5,23.2,23,24.4,25.8
1967,27.6,28.1,27.3,25.4,24.2,22.2,21.3,21.1,22.8,23.9,25.2,25.5
1968,27.5,27.1,26.1,23.6,22.1,19.8,20.5,21.7,22.4,23.5,23.2,26.2
1969,27.7,27.6,27.1,25.4,23.2,20.6,21.4,21.1,22.1,25.5,25.6,26.3
1970,26.8,26.7,25.5,23.6,22.7,21.4,20.8,22.3,23.4,24.1,26.5,27
1971,27.1,26.4,26,25.2,22.9,20.4,21.1,21.3,22.3,24.1,24.3,26.1
1972,27.5,27.1,25.2,25,24,20.1,20.3,20.8,22.9,24.3,23.9,26.6
1973,27.3,26.6,26.8,24,22.9,21,20.1,20.8,22.8,24.7,25.4,25.7
1974,27.2,26.8,26,24,23,21.5,20.5,20.9,22.2,24.2,25.6,26
1975,26.7,26.6,25.5,24.8,22.3,21,19.8,21,22.7,23.5,25,25.8
1976,27.1,27.5,27.4,24.8,22.8,21,20.5,21.4,22.9,23.8,26,26
1977,27.4,26.9,26.3,23.9,23.2,21.2,21.1,21.2,23.6,24.6,25.2,26.8
1978,27.6,27.8,26.5,24.4,23.2,21.7,19.5,22.2,23.2,25.1,25.5,26.5
1979,26.4,28.1,26.7,24.5,22.7,20.9,20.4,21.5,23.4,24.6,25.3,25.8
1980,26.2,27.1,25.7,24.9,22.9,20.9,20.5,21.2,23.2,24.4,26.4,27.1
1981,28.7,27.9,26.1,24.7,22.5,20.7,19.9,21.8,23.1,23.2,24.9,26.2
1982,27.1,26.9,26.1,24.3,22.4,22.1,20.8,21.4,21.9,23.2,24.4,26.3
1983,27.3,27.6,27.7,25.5,24.2,22.3,21,21.4,22.8,24,25.5,25.8
1984,26.9,26.4,25.5,24.4,23.4,21.7,21,20.9,22,24,24.8,26.9
1985,27.6,26.9,26.1,24.1,22.7,21.2,20.6,21.9,23.6,25,25,25.8
1986,27.4,26.8,26.7,24.8,23.2,20.2,19.9,21.6,22.5,23.7,24.8,26.2
1987,26.9,26.8,27,25.2,23.5,20.8,21.1,22.2,23.7,23.9,25.7,27.9
1988,28,27.7,26.6,25.8,23.5,21.6,21.2,21.3,22.9,24.7,24.3,25.7
1989,27.2,26,25.8,24.5,23.1,21.3,21.1,21.7,22.7,24.9,25.4,25.6
1990,26.7,25.9,25.5,25,21.5,21.7,20.1,21.5,22.5,24.1,24.9,26.1
1991,28.6,28.2,27.2,24.8,23.3,20.9,21,21.3,22.9,24.3,25.2,26.1
1992,26.5,26.7,27.2,25.9,24.3,21.1,20.5,21.3,22.8,24.4,25.6,26.9
1993,27.4,27.1,26.1,24.8,23,21.9,20.4,21.3,22.7,24.2,25,26.3
1994,27.3,27.7,26.8,24.8,23.4,21.6,20.1,22.4,23.4,24.1,25.5,26.2
1995,27.3,27.6,25.8,24.8,23.6,20.7,21,22.1,22.9,25.5,25.7,25.5
1996,27.4,27.4,25.8,24.3,23.7,21.3,20.4,20.9,23.7,24.3,25.7,26.5
1997,27,27.2,26.4,24.9,23.4,22.1,20.7,21.7,22.6,24.4,25.7,26.2
1998,28.4,27.4,27.3,25.6,23.6,21.3,20.9,22,23.6,25,26.5,26.2
1999,27.4,28.1,27,23.8,22.5,21.9,20.5,22,23.1,24.4,25.8,27.2
2000,27.3,27.8,27.2,26.4,24,22.2,21.3,21.8,23.1,24,26.2,26.4
2001,27.5,28.3,27.5,25.2,23.4,21.1,20.6,21.4,22.9,25,25,26.3
2002,27.2,27.2,26.3,24.6,23.8,21.8,21.7,22.6,23.8,25.1,25.1,25.7
2003,28,27.8,27.3,24.9,24.4,21.8,20.4,21.4,23.4,25.4,26.1,27.9
2004,28.1,27.2,27,25.8,23.1,20.7,21,22.2,23.9,24.3,26.1,27.1
2005,27.3,27.2,26.3,24.6,23.5,22.1,20.7,21.5,23.2,24.4,25.2,26.2
2006,27.4,27.3,26.5,24.7,23,21.7,20.8,21.7,22.8,24.6,25.7,27.4
2007,27.7,27.3,26.9,25.1,23.5,21.7,20.9,21.6,23.4,24.5,25.7,26.9
2008,27.4,27.3,26.1,24.2,23,21,21.1,21.7,23,24.9,25.5,26.9
2009,28,28,26.5,24.6,23.2,21.7,21,21.4,23.4,24.7,25.4,26.8
