1901,28,27.3,27.3,27.3,25.3,23.2,22.2,22.4,24.7,25.9,25.4,26.4
1902,28.2,28,26.8,25.1,23.3,22.7,21.9,21.6,22.8,24.5,25.5,27.9
1903,28,28.5,27.3,26.1,24.6,23.4,22.9,22.6,23.7,25.4,26,27.1
1904,27.3,27.4,26.9,26.1,23.4,22.3,22.1,22.3,22.7,23.6,25.3,26.1
1905,26.9,27.6,26.1,24.9,24,23.1,21.6,22.4,23.4,24.1,25.5,28.3
1906,28.1,26.9,26.7,26,24,22.5,22,22.5,24,24.9,26.7,27.5
1907,28.7,27.6,28.7,26.3,24.3,23.9,22.4,22.1,23.1,25.3,26.5,27.8
1908,27.5,27.6,27.2,26,24.9,23.2,22,22.8,24.1,23.8,26,26.5
1909,28.2,28.3,26.5,26.3,24.2,23.8,23.7,23.1,24.4,25,26.9,27.5
1910,28.7,29.1,28.9,27,25.1,24.2,23.6,23.1,24.3,26.2,27.1,27.9
1911,27.4,27.4,27,25.8,24.2,23,22.1,22.4,23.3,24.6,25.9,26.9
1912,27.5,27.6,27,25.9,24.2,23.3,22.1,22.4,23.3,24.6,25.8,26.7
1913,27.4,27.4,27,25.8,24.1,23.1,22.2,22.3,23.2,24.6,26,26.8
1914,27.5,27.5,27,26.1,24.3,23.2,22,22.4,23.3,24.5,25.8,26.7
1915,27.9,28.2,27.1,26,24.3,23.3,22.5,22.6,23.5,24.9,26.3,27.1
1916,27.6,27.9,27.3,26.2,24.3,23.4,22.4,22.5,23.5,24.9,26.2,27.1
1917,27.8,27.6,26.9,26,24.3,23.1,22.3,22.4,23.7,24.9,26.1,26.8
1918,27.7,27.6,27,25.9,24.1,23.2,22,22.3,23.3,24.8,26,26.7
1919,27.6,27.7,27,25.8,24.3,23.1,22.1,22.3,23.3,24.7,25.8,26.7
1920,27.4,27.5,26.9,25.8,24.3,23.4,22.4,22.1,23.2,24.9,26.1,26.7
1921,27.5,27.5,27,25.9,24.3,23.3,22.5,22,23.7,24.4,25.7,27.2
1922,27.6,27.6,27.1,26.2,24.7,23.7,22.5,22.5,23.1,25.2,26.2,27
1923,27.5,27.5,26.8,25.8,24.7,23.5,21.5,22,23.2,24.5,25.8,26.9
1924,27.7,27.8,26.9,25.6,24,23,22,22.1,23.3,24.6,25.6,26.5
1925,27.3,27.7,27.1,25.4,24.2,23.2,21.9,22.1,22.7,24.1,25.4,26.4
1926,27.6,27.2,26.7,25.8,24.1,23.1,22.1,22.4,22.9,24.7,26.1,26.8
1927,28,27.7,27.2,26.1,24.5,23,22.4,22.7,23.3,24.6,26.2,26.9
1928,27.6,27.5,27.1,25.5,24,23,21.9,22.3,23.4,24.7,26.2,26.9
1929,28.2,27.9,27.4,25.9,24.3,23.4,22.1,22.6,23.2,24.9,26,27
1930,27.6,27.1,26.4,25.6,23.8,22.9,22,22.3,23.3,25,25.9,27.4
1931,27.6,27.5,27.2,26.6,24.6,23.2,22.7,22.5,23.8,24.3,26.2,26.9
1932,27.4,27.3,27.1,25.7,24.2,22.2,22.5,22.6,22.9,24.9,26.2,27.4
1933,28.4,28.1,27.4,26.3,24.9,23.4,22.8,22.5,23.5,24.7,26.2,26.6
1934,27,27.8,26.8,26.1,23.8,23.1,22.2,22.5,23.3,24.5,26.1,27.1
1935,28.1,28.3,26.8,25.3,23.7,23,22.7,22.6,23.1,24.9,25.5,27
1936,28.4,28,27,25.4,23.9,22.9,22.4,22.3,22.7,24.9,25.4,27.6
1937,27,27.1,26.3,25.8,24.6,22.7,22.2,22.7,23.6,25.3,26.2,27.5
1938,28.3,28.3,27.1,25.5,24.2,23.7,23.1,22.7,23.7,25.1,26.7,27.3
1939,28,28.1,26.9,26,24.2,23.5,22.3,22.9,23.3,24.3,25.7,26.9
1940,27.1,27.3,26.1,25.5,24.3,22.4,21.1,22,22.8,24.6,26.3,26
1941,28,28.1,28.4,25.6,24.3,22.8,22.8,22.5,24.6,25.3,26.6,27.9
1942,28.6,29.3,28.9,26.4,24.9,23.8,23.6,23.3,24.4,25.8,26.8,27.4
1943,28.2,28.4,27.3,25.8,25,23.4,22.3,22.7,23.6,25.3,26.9,26.7
1944,28.5,28.1,27.6,25.6,24.1,22.5,21.9,22.3,23.6,24.4,26.4,27
1945,28.6,28.4,27.6,26.6,23.5,22.4,21.5,22.6,23,24.1,25.9,26.6
1946,29.4,28.8,27.2,26.3,24.5,22.7,22.4,22.9,23.9,25.3,27,28.5
1947,28.5,28.1,27,26.7,24.8,23.4,22.5,23.5,24.5,25.2,26.7,27.9
1948,28.3,27.7,28.1,26.3,25.1,23.6,23,22.8,23.6,25.3,26.4,26.5
1949,27.4,28.4,27.6,25.8,24.2,24.1,23.5,22.7,23.3,25.6,26,27.2
1950,28.7,28.6,26.6,25.9,25.2,24.7,23.2,23.5,23.1,25.3,26.3,26.7
1951,28,27.9,26.1,25.8,22.9,22.5,21.7,22.1,22.8,24.4,26.6,27.2
1952,28.4,27.6,27.2,27,25.3,22.9,22.3,22.6,23.4,25.7,27.5,27.4
1953,27.5,28,26.2,25.4,24.3,22.4,21,23.3,24.1,25.9,27.7,27.7
1954,28.1,27.9,27.4,25.6,23.4,23.2,22.7,22.2,23.3,24.3,25.9,25.7
1955,27.3,28.3,27.2,26.3,25,22.7,21.8,22.9,23.3,25.9,26.4,27.4
1956,27.4,28.7,27.2,25.7,24.2,23.7,22.2,22,22.6,25.2,25.6,28.2
1957,27.2,27.9,26.7,26.6,23.8,22,22.3,23,22.6,24.6,26.6,26.7
1958,27.2,28.3,27.6,25.6,24.4,24.3,22,23.4,23.5,24.3,25.3,27.6
1959,27.7,27.3,26.9,24.6,22.9,22.4,21.9,21.9,23.7,24.7,26.8,27.8
1960,27.3,28,26.5,25.2,25,22.4,22.1,22.1,23.6,24.9,26.1,26.7
1961,26.6,27.5,27.1,25.4,23.1,23.3,21.9,21.5,22.8,24.5,26.4,27
1962,28.2,28,27.1,25.5,25.4,23.5,22.6,22.2,23.6,25.5,25.1,26.6
1963,27.3,28.5,27.7,25.5,24.4,23.4,21.7,22.5,22.6,23.4,25.3,26.3
1964,28.4,28.7,27.5,25.9,24.4,23.7,23.3,22.8,23.5,25.1,25.4,26.3
1965,27.2,27.2,26,25.3,23.7,22.9,21.3,21.5,22.8,23.6,25.2,26
1966,26.4,28.1,26.4,25.6,23.3,22.6,22,22.1,23.2,23.8,25.1,25.7
1967,27.3,27.2,27.7,25.4,23.9,23.9,22.3,23.4,22.9,24.8,25.6,26.8
1968,26.9,27.2,27.2,25.4,24.4,22.4,21.7,22.1,22.4,24,26.3,26.6
1969,26.9,26.3,26,26.1,24.7,23,22.1,22.5,23.4,24.3,26,27.6
1970,28.7,27.2,28.2,25.6,23.8,23.1,22.1,23.4,24.3,25,25.5,27.3
1971,27.1,28,26.3,24.7,23.8,22.5,21.4,23.1,24.1,25.9,26.1,26.9
1972,27,27.4,27.5,25.5,24.2,22.3,22.1,22.2,22.5,24.6,26.6,26.5
1973,28.7,28.5,27.8,25.9,24.7,24.4,23.1,23.2,24,25.5,27.1,27.4
1974,27.3,27.1,27.1,26.3,24.3,22.7,22.4,22.1,23.4,23.9,25.8,26.6
1975,28,26.9,27.2,25.6,23.8,22.5,22.5,22.8,23.9,24.8,26,26.7
1976,27.2,27.2,27.5,25.8,24.3,23.5,22.1,21.9,22,24.2,26.3,27.1
1977,27,27.4,27.3,25.7,24.6,23.1,22.2,21.8,22.6,23.9,25.7,26.5
1978,27.5,27.9,27.5,26.2,24,23.6,22.2,22.2,23.4,23.3,25.6,26.6
1979,27,26.9,27.6,25.6,23.8,22.9,22.1,21.7,23,24.8,26.2,27.4
1980,29.1,29.1,27.1,25,24.6,23.1,22.2,22.4,23,24.4,25.9,26.6
1981,27,28.4,27.8,26.3,24.5,23.8,22.2,22.6,23.5,24.7,25.5,27
1982,28.4,27.1,27.1,25.5,24.2,21.9,21.2,21.4,22.9,23.9,25.4,27.1
1983,28.4,27.2,27.2,27.1,25.6,23.5,22.6,22.5,24.6,24.9,26.1,25.7
1984,27.4,26.7,27.5,26.2,23.9,23,22.7,23,23.6,24.3,25.6,27.7
1985,28.3,28.7,27.1,27.3,23.8,22.7,21.6,22.4,22.9,24.4,25.9,27.2
1986,29.2,28.3,26.3,26.1,24.5,23.2,21.9,22.2,23.2,25.7,26,25.5
1987,27.6,27,26.6,25.9,25.1,23.7,22.3,23.3,23.4,25.7,25.5,27
1988,27.2,27.4,26.3,26.3,24.8,24.1,22.9,23.4,25.1,26.3,27.6,27
1989,27.3,27.2,27,26,24.2,24,22.8,22.3,23.7,25.4,26.9,27.5
1990,27.8,27.9,27.7,27.2,25.6,24.1,23,23,23,24.8,25.5,27.1
1991,28.5,28.3,26.1,25.3,23.3,23,22.6,23,23.8,24.6,25.5,27.1
1992,28.1,28.3,26.9,25.5,24.4,22.9,22.2,22.8,24.2,23.5,26.4,26.8
1993,27.5,27.5,27.2,25.3,24.7,23.4,23.6,22.7,23.6,25.3,26.5,26.7
1994,28.1,27.7,27,25.7,24.5,23.1,21.8,21.8,23.2,24.7,26.1,26.3
1995,28.2,28.3,27.7,26.4,24.8,23.2,23.2,22.8,24.1,25.7,27.4,28.6
1996,28.3,29,27.3,27.2,24.5,23.6,22.6,22.5,24.3,25.6,26.4,28.2
1997,26.7,27.8,27.6,26.2,24.8,23,21.8,22.1,23.8,24.4,27.1,28.6
1998,28.4,28.8,28.1,27.6,25.6,24.6,23.8,24.1,24.9,26.2,26.6,27.1
1999,28,27.9,28.2,26.6,25,23.4,23.3,22,23.8,25.6,26.1,25.9
2000,27.6,27.6,27,26.3,25.3,22.7,22.6,22.7,24.6,25.6,25.8,27.3
2001,28.2,27.6,28.3,25.5,24.8,23.1,22.3,22.8,24.2,25.9,27.3,28.5
2002,28.9,28.8,27.1,25.8,24.5,24.2,22,23,24.3,25.8,25.8,27.5
2003,27.9,28.5,27.8,25.7,25,24.1,22.5,22.2,24,25.4,25.8,27.3
2004,28.9,29.6,27.5,26.1,24.7,23.5,22.4,22.6,23.8,25.5,26.5,27.5
2005,28.7,29.2,26.8,25.6,24,23.5,22.6,21.9,23.8,25.4,26.4,28.4
2006,28.5,27.6,27.3,27,24.2,23,22.3,22.5,23.7,24.4,26.4,27.1
2007,27.6,28.5,27.4,25.9,25.1,25.4,22.3,23.7,23.9,25.5,26.6,27.7
2008,28.6,28.4,27.2,25.8,23.1,23.2,24,22.8,24.1,24.6,27.3,28.1
2009,28.4,28.6,27.6,26.5,23.7,23.3,22.5,22.9,24.4,25.3,26.3,27.6
