1901,27,26.9,25,25.5,22.7,21.5,20.3,21.5,21.6,21.7,23.8,25.9
1902,25.3,26.8,25.9,24.6,23.5,20.8,21.1,20.9,22,22.3,23.2,25.7
1903,27,26.1,25,24.2,23.6,21,20.6,22.1,21.4,23.1,23.2,25.6
1904,26.6,25.8,25.3,25,23.6,22.1,21.2,21.7,21.9,22.6,24.2,24.8
1905,26.2,25.2,24.2,25.1,23.1,20.9,21.4,20.4,22,22.8,23.1,25.5
1906,27.3,25.7,25,23.7,23,22.3,21,21,21.4,21.7,23.3,25
1907,25.8,26.2,26.2,23.5,22.6,21,20.6,21.9,22,21.3,22.8,24.5
1908,25.5,25.9,24.9,23.1,22.6,21.5,20.8,21.4,22.4,21.9,23.5,25.5
1909,26,25,24.6,24.6,22.7,22.7,21.5,21.9,21.3,22.3,22.9,25.1
1910,25.4,25.4,25.4,24.5,23.4,20.9,21.3,20.9,21.6,21.9,22.6,24.2
1911,25.9,26.7,25.9,24.1,21.9,20.5,20.5,21.1,21.6,23.7,23.6,26.1
1912,26.1,26.7,25.3,24.9,23.8,22.1,20.8,22,22.9,23.3,24.6,25.8
1913,26.9,27.2,25,24.2,24,22.6,21.9,22.6,22.9,23,24.7,26
1914,27,26.4,26.4,25.4,23.9,21.4,21.9,21.9,23.7,23.1,24,26.1
1915,27.7,27.2,26.1,24.7,22.8,22,20.6,21.6,22.3,22.9,24.1,25.2
1916,25.5,26.3,25.6,25,22.2,21.7,22,21.6,22.8,23,24.2,25.7
1917,26.1,25.7,26.2,24.6,23.3,22,20.6,20,20.8,22,22.4,25.1
1918,24.6,25.9,25.7,24.6,22.7,21.7,21.1,20.8,22.8,24.2,23.9,25.6
1919,26.5,26.3,26.4,25.9,22.7,22.2,21.6,21.3,22,23.5,22.9,25.1
1920,26.8,26.1,25.3,24.8,23.7,21.9,21.6,22.4,22.1,22.5,24.7,25.3
1921,25.8,26.6,26.7,24.2,22.1,21.9,19.9,21.6,22.3,22.5,24,25.5
1922,27,25.9,26,25.3,22.3,21.5,21.7,22.3,22.9,23.2,24.3,25.9
1923,25.8,26.1,26.8,25,23.9,22.4,22.2,22,23.2,24.8,25.4,25.2
1924,26.7,25.2,25,24.4,23.5,22,20.5,21.2,21.2,22.5,23.7,25.7
1925,26.3,27,25.4,25,23.6,22.4,21.7,22.6,22.1,23,25,26.7
1926,27.6,26.9,25.9,25.4,23.9,21.6,21.3,22.4,21.8,24.2,24.4,26.1
1927,27.1,27.1,26.1,26.1,23.9,22,21.6,22.2,23.5,23.6,24.8,26
1928,26.3,26.3,26.2,25,23.2,22.7,21.6,21.2,22.3,23,25,26
1929,26,25.9,24.7,25.1,24.3,21.7,21.4,21.4,22.5,23.7,24.5,26.3
1930,26.2,25.7,26.1,24.3,23,21.5,21.5,21.2,21.2,23.4,23.7,26.7
1931,26.5,27.7,25.8,24.8,24.2,21.9,20.4,22.3,22.6,23.9,24.7,26.3
1932,26,26.5,26.4,26,23,22.8,21.9,22.2,23.6,23.7,24.9,25.8
1933,26.7,27.2,26.7,25.5,24.5,22.7,21.9,22.2,22.5,24.1,23.8,25.8
1934,26,26.2,26.2,25.9,25,22.6,21.1,22.8,23.5,23.8,24.9,25.9
1935,25.9,25.5,24.9,25,23,21.3,22,20.2,22.3,24,23.3,25
1936,25.7,25.6,26.2,25,22.8,22.4,22.1,22.7,22.5,22.1,23.1,26
1937,27,27.5,27.4,25.6,25.2,22.8,21.6,22.1,22.3,23,25.2,25
1938,26.3,26.5,27.3,25.7,23.5,22.1,22,21.6,23.3,24,23.9,26.7
1939,26.6,27.3,25.8,24.7,24.1,22.3,20.7,21.6,21,23.9,24.2,25.6
1940,27.5,27.5,27.3,25.5,24.2,23.1,21.8,23.1,22.9,23.4,24.5,27
1941,27.2,27.9,27,26.5,25.2,22.9,22.2,22.8,23.3,24.7,25.4,28
1942,27.3,27.7,26.9,25.5,23.7,22.7,22,22.6,22.5,23.7,24.6,25.4
1943,27.5,27.3,26.4,24.7,21.8,21.5,20.3,19.7,22,23,25.2,26
1944,29.5,25.8,26.8,26.5,23.6,21.3,22.7,24.7,23.3,25.3,26.3,26.9
1945,27.6,28.3,25.5,26.4,24,22,22,22.5,25.4,24.2,25.8,27.4
1946,26.4,27.6,27.2,26.7,24.1,22.4,22.6,23.1,25.7,24.1,26.2,27
1947,27.5,28.4,26.3,25.2,23.9,22,20.8,24.1,22.8,24.6,26.2,25.6
1948,25.7,26.7,25.9,24.8,24.6,23.9,22.9,23.9,23.7,24.9,24.9,28
1949,28.1,26.4,25.5,26.2,23.7,23,22.2,23,23.9,23.8,24.6,26.3
1950,26.5,27.1,27.2,26,23.6,23.4,22.1,21.5,24.1,24.8,25.5,25.6
1951,25.2,27.7,26.6,25.5,22.8,21.9,21.1,20.9,22.2,23.1,25.6,26.3
1952,26.8,26.4,27.5,26.2,24,23.4,21.5,23.7,23.6,25.9,23.9,25.8
1953,28.2,27.1,26.7,25.8,24.4,23.2,21.9,21.3,22.7,24.8,25.4,25.8
1954,26,26.8,25.2,25.4,23.8,21.4,21.6,22.8,23.5,22.7,24,25.7
1955,25.8,25.9,25.5,25.1,23.2,22.1,22.9,22.2,22.8,22.3,23.3,24.6
1956,27.3,26.2,26.4,25.1,22,22.7,22.6,22.5,22.2,23.7,24.3,25.1
1957,27.3,27.9,25.9,24.9,23.1,20.8,21.3,22.1,22.6,23.6,25.9,26.8
1958,26.4,27.6,27.2,25.8,25.1,21.4,22,22.2,22.6,24.2,26.1,26.8
1959,26.4,26.9,27.5,27.1,23.4,22.1,22.5,22.1,24,23.8,24.1,25.9
1960,26.6,25.9,27.2,23.5,22.6,21,20.8,22.5,23.3,25,25.6,26
1961,28,27.8,26.9,24.7,22.7,21.9,21.7,21.4,23.7,23,24.7,25.2
1962,25.8,26.4,26.5,24.9,22.1,22.3,22.5,23.3,25.3,24.4,25.2,26.6
1963,25.7,27.3,24.9,24.3,22.5,20.3,20.1,22.5,25.5,24.6,25.5,26.3
1964,26.2,27.5,28.4,24.2,23.1,20.8,21.2,21.7,23.1,22.4,24.6,26.2
1965,26.6,27.7,27.7,24.8,22.7,19.1,20.8,22.5,23.3,22.3,22.9,25.7
1966,27.6,25.5,28.2,23.4,22.5,22.2,22,22.2,23.1,23.9,24.4,26.7
1967,26.5,26.3,25.7,24.4,23,21.4,19.9,22.9,23.4,24,25.3,26.7
1968,27.1,26.7,24.8,23.6,22.7,19.8,21.7,21.2,21.9,23.2,24.1,27.2
1969,29,28.1,26.3,24.4,22.2,21.1,22.1,23.9,21.9,23.9,24.5,25.8
1970,26.9,27.5,27.5,25.8,24.1,21.7,21.6,22.7,24,22.9,24.6,26.7
1971,26.2,26,26.6,25.4,22.3,22.1,21.6,22,21.4,24,24.3,25.5
1972,28.4,25.9,26.6,25.7,22.3,21,22.1,21.6,24.7,24.2,24.6,26.7
1973,26.5,26.8,27.6,24.4,23.1,23.2,22.2,21.4,22.1,24.1,24.6,25.7
1974,27.6,27.4,26.9,24.4,22.8,22.2,22,22.7,24.3,25.2,25.1,25.9
1975,26.3,25.7,25.3,25.9,23.7,23,22.2,23.1,22.7,23.4,23.6,24.5
1976,26.5,27.1,26.6,25.1,22.3,22.3,22.4,21.2,24,23,25.5,27.3
1977,27.4,27.9,25.6,26.8,24.3,23.7,22.4,22.6,24.7,24.5,24.8,27.9
1978,26.4,27.1,27.9,24.6,24.2,21.9,21.9,22,22.5,22.8,24.7,26.5
1979,26.8,29,26.4,26.9,24.4,23,20.7,21.9,22,23.7,24.9,25.8
1980,26.4,28.1,27,26.8,24.6,22.9,22.1,23.5,21.1,23.9,25.4,26.7
1981,27.5,26.1,26.4,27.1,23.3,21.9,21.2,21.2,21,23.6,25.4,26.4
1982,26.9,27.4,25.9,24.2,24.2,22.5,22.6,23.1,23.2,23.6,24.7,27
1983,27.9,27.8,27.7,27.6,25,23.2,22.1,21.6,24.5,23.2,24.2,26.9
1984,26.9,26.4,25.5,25.7,24.2,22.3,21.6,22.5,23.9,23.9,24.5,27.1
1985,28.4,27.5,26.9,26.9,24,23.1,22.2,25.2,24.2,25.4,26.3,26.1
1986,27.3,27.3,27.7,26.1,25.5,23.1,22.9,23.5,23.9,23.9,24,26.7
1987,26.8,29.3,26.9,26.3,26,21.9,22,22,22.1,22.4,24.3,27.1
1988,27.4,27.5,27.1,25.2,24.4,21.6,22.9,24.4,23.6,23.7,24.9,25.1
1989,26.8,26.1,27.8,26.3,24.3,22.3,22.1,25.5,23.9,23.4,24.1,26.7
1990,27.4,26.3,25.4,25.7,23.7,22.7,22.9,21.7,22.2,22.6,25.3,24.9
1991,28,27.7,26.3,27.7,25.4,22,22.6,23.1,23.6,23.3,25.9,26.8
1992,27.1,29,28.7,27.9,25.1,22.1,23.2,22.6,23.6,24.6,25.7,26.5
1993,27.7,26.6,27.4,26.6,24.8,24,23.9,23.5,24.6,23.4,25.4,25.9
1994,26.8,27.3,27.2,25.8,24.6,22.8,22.6,22.5,24.6,23,25.4,27.1
1995,27.2,28.7,26.5,23.9,23.5,22,21.5,23.8,24.2,23.5,24.6,24.6
1996,26.6,27.2,25.6,24.3,23.3,22.6,19.8,21.6,23.9,23.1,25.3,27.3
1997,27.2,26.9,25.9,24.1,22.2,21.8,21.2,23.2,22.9,24.3,23.4,25.9
1998,27.2,27.3,26.7,26.2,23.9,23.3,22.4,23.1,23.8,24.2,26,26
1999,28.6,28.2,28,27.5,24.7,23.7,23.7,24.7,24.1,24.4,26.5,27
2000,26.3,27.6,27.4,24.4,21.9,23.2,22.3,24,23.4,22.8,24.8,26.7
2001,26.8,26.9,28,24.8,24.4,23.2,22.4,24,23,24.4,25.8,26.2
2002,27.4,26.2,27.5,26.8,24.5,22,22.4,23.2,23.5,24.6,25,26.8
2003,27.5,28.8,28.2,27.3,24.2,22,22.1,22.9,22.9,23.7,25.5,26.5
2004,25.7,27.6,26.8,26.1,24.3,22.6,21.1,24.1,22.3,24.5,26.8,28.4
2005,26.8,28.1,27,25.1,24.6,23.3,23,23.9,24.4,25.1,25.6,26
2006,26.5,27.1,25.6,25.7,22.6,22.4,23.5,22,24.3,25,25.6,26.9
2007,28.2,29.7,27.7,26.2,24.9,22.7,22.7,23.6,25.4,23.5,24.8,25.8
2008,26.9,28.5,27.1,25.6,24.1,22.6,22.5,22.3,23.2,23.4,24.8,26.5
2009,27,26.7,27.2,26.2,24.4,23.3,21.8,22.7,23.6,23.7,24.2,27.8
