1901,27.3,27.6,26.4,24.5,22.3,19.1,18.5,20,22.4,24.5,27.1,27.7
1902,27.6,27.4,26.4,24.5,22.2,19.4,18.7,19.8,22.1,24.7,26.9,27
1903,28,27.1,27.9,25,21.7,18.8,18.5,19.3,21.5,23.4,25.8,26.4
1904,26.7,26.4,25.8,24.3,22.3,18.2,17.8,19,20.5,24.3,26.4,27.5
1905,28,26.4,26.6,24.7,22.3,19.5,17.6,18.6,20.6,22.8,25.9,27.4
1906,28.9,27.8,25.4,25.5,22.5,20.2,18.6,19.4,21.7,23.3,25,27.1
1907,27.2,26.1,25.2,24.3,21.2,18.9,17.4,18.2,20,24.5,25.4,25.9
1908,25.9,26.1,25.1,23.8,21.1,17.4,16.7,17.8,20.3,22.9,24.4,25.5
1909,25.8,25.4,24.5,23.5,22.6,19,18.5,20.6,21.7,24,25.2,25.6
1910,26.7,26.7,26.3,23.2,22.3,18.8,18.9,20.1,22.5,24,25.4,27.4
1911,26.4,26.6,25.6,23.1,20.6,17.4,18.1,19,20.9,24.3,25.2,28.2
1912,28,26.6,26,24.2,20.9,21.1,18.2,19,22,24,26.1,25.9
1913,26.2,26,25.1,24,19.5,18.3,17.7,17.6,20.7,23.3,26,27.1
1914,26.8,26.6,26,25.4,22.4,19.2,16.7,18.8,20.5,22.7,24.9,27.4
1915,27.6,27.8,25.8,24.3,21,19.1,20.6,20.6,23.8,25,26.8,26.8
1916,26.2,27.1,26.9,24.8,21.2,20.4,19.1,19.9,21.3,24.2,25.4,26.2
1917,26.3,26.1,25.3,23.3,20.2,18,17.6,19.5,22.1,24.1,25.5,25.9
1918,25.9,26.2,25.1,23.2,20.3,18.5,16.7,19.4,20.7,23.9,25.9,26.7
1919,26.7,26.5,26.1,23.9,21.1,19.2,16.6,17.9,20.2,23.1,24.6,26.3
1920,26.9,26.3,25.8,23.2,21.7,19.9,18.7,19.4,21.7,23.5,25.4,26.5
1921,26.2,25.6,24.9,23.8,22.3,21.5,19.4,18.8,22.4,24.1,25.5,27
1922,27.9,26.3,25.2,24.3,20.6,19.3,16.9,17.7,21.8,24.8,25.6,27.9
1923,27.9,26.8,26.5,23.4,22.1,18.9,16.3,17.7,20.2,24,26.3,27.4
1924,28.7,27.3,25.3,23.4,20.7,18.5,19.1,19.3,22.3,24.3,26.7,26.6
1925,26.9,26.9,25.8,23.4,20.8,18.8,16.7,19.5,20.9,23.9,26.1,26.3
1926,28,27.1,26,24.5,21.9,19.4,19.2,21,22.7,24.6,26.6,27.7
1927,27.7,26.7,26.9,24.6,22.1,20.2,18.1,18.8,21.5,24.5,26.3,26.7
1928,27,27.5,25.3,24.7,19.9,18.2,17.9,19.7,22.4,25.6,26,27
1929,27.1,27.5,26.3,22.8,20.1,18.2,16.8,19.3,20.6,24,26.4,27.6
1930,26.9,26.2,25.3,23.4,21.5,18.4,18.4,19.1,21.1,23.7,25.5,26.3
1931,27.9,27.3,26.3,23.9,22.6,20.7,18.3,19.9,22.8,23.3,25.7,26.9
1932,26.2,27.1,25.5,25.3,21.5,19,17.3,17.9,20.4,24.7,25.9,26.5
1933,27.5,25.7,26.6,24.2,21.5,18.3,18,18.5,21.3,23.2,25.1,26.5
1934,25.6,25.9,24.6,24,21.1,19.8,18.8,19,21.2,24.4,26.6,27.5
1935,28.1,28.3,25.3,23.6,20.4,18.4,18.2,19.1,22.2,24.3,25.2,27.4
1936,27.1,26.1,25.3,23.2,20.8,18.5,18.7,20,21.7,24.1,25.6,26.2
1937,27.4,26.8,24.8,22.5,21.1,17.6,17.6,18.2,21.6,23.9,25.9,27.8
1938,27.9,27.3,26.3,24.9,22.9,20.4,17.4,19,21,24.3,26.3,27.4
1939,27.8,25.8,26.4,24.3,21.4,18.9,18,18.1,20.3,23.9,26,27.5
1940,27.2,27,25.2,23.4,21.3,19.7,17.5,19.2,20.6,23,26.4,27.9
1941,26.7,26.2,26.4,23.1,21.4,17.9,17.2,17.7,20.8,23.3,26.1,26.7
1942,27.6,27.3,26.7,25.2,22.3,20.9,19.9,20.9,22.8,23.9,25.7,26.2
1943,26.8,25.9,25,25.1,21.4,17.7,19.3,21,23.3,25.7,26.5,28.6
1944,28.5,26.8,25,22.9,20.4,19.2,18.8,19,21.5,23.3,25.9,27.4
1945,27.4,26.8,25.4,23.4,20.8,20.1,18.3,20.6,21.9,23.8,26.3,27.4
1946,27.2,27.1,26.8,23.8,22.2,17.2,17.6,19.6,21.5,23.1,26.6,27.5
1947,28.6,26.9,26.3,24,22.4,19.5,19.1,20.8,22.2,23.5,26.5,27.3
1948,27,26.2,26.9,24.1,21.5,19.1,18.4,18.9,20.4,24.6,26.5,27.4
1949,26.9,27.1,26.3,22.7,21,17.5,17.3,19.1,21.7,25.6,26.5,27.5
1950,26.9,26.9,26.5,23.5,21.4,18.4,20.2,18.7,21,24.5,25.8,25.6
1951,26,25.8,25.9,23.6,21.3,18.6,18.2,19.5,21.1,23.6,26,27.5
1952,27.3,26.6,26.2,24.7,22.4,18.9,19.2,20.3,22.3,24.8,27.7,28.3
1953,26.4,26.5,25.6,24.3,20.9,18.8,18,19,21.4,24.7,27,28.1
1954,27.1,26.9,26.3,24.3,21.1,18.6,19.1,20.4,21.4,23.7,26.3,26
1955,27,26,26,24.1,22.3,19.6,19.3,19.9,21.6,25.4,25.4,27.5
1956,27,27.3,26.2,24.3,22.7,18.6,19,18.8,20.5,24.6,25.5,27.3
1957,26.6,27.3,25.3,24,21.1,19.6,19.2,20.2,21.3,24.3,26.5,27.3
1958,27.6,26.7,26.8,24.6,23.3,20.4,19.3,21,21.6,24.3,25.9,27.3
1959,27.5,26.4,25.6,23.6,21.5,19.1,18.3,18.8,21.8,24.1,26.2,27.8
1960,26.9,26.6,25.2,24.1,20.6,18.9,17.7,18.4,21.8,25,26,26.5
1961,26.1,27.2,25.2,24.4,20.7,18.5,18.8,18.8,21.9,24.4,26.4,27.7
1962,27.9,26.8,26.1,23.4,22,20.4,18.6,19.1,22.9,25.5,26.8,27.3
1963,27.1,26.8,26.5,23.7,22,19,17,20.3,20.8,22.9,25.9,27.2
1964,27.5,27.5,26.4,24.8,22.7,19.6,19.7,19.9,23.5,25.5,26.2,26.8
1965,26.9,26.2,25.4,24.1,22.3,19.5,16.9,19.8,21.9,24.2,25.4,25.9
1966,26.3,27.1,26.3,24.4,21.8,19.8,18.4,21.2,22.6,23.8,25.5,26.3
1967,28,26.8,25.6,23.7,21.6,19.3,18.1,20.2,20.9,23.8,26.3,26.7
1968,27,25.7,25.9,24.5,21.4,18.7,18.2,19.7,21.7,23.9,26.2,26.9
1969,27.2,27.3,26.2,24.3,22.5,19.8,19.9,21,21,24.3,26.6,28.1
1970,28.2,26.7,26.6,24.6,21.9,20.2,18.6,20.2,23.1,24.9,26.5,27.4
1971,28.2,27.5,25.4,23.7,20.9,18.6,18,21.5,23.1,26.1,28,28
1972,27.2,26.7,25.3,23.6,20.9,19.2,18,19.8,21.4,24.2,26.8,26.9
1973,27.8,27.5,26.8,24.7,23.6,21.9,20.4,21.8,23,24.6,26.8,26.9
1974,26.4,26.5,26.2,24.8,21.5,18.5,18,20.6,22.6,24.5,27,27.5
1975,27.1,26.9,26.6,24.5,22.1,19.4,20.6,20.6,23.1,24.7,26.5,26.4
1976,27.1,26.6,26.9,24.1,21.8,19.1,18.7,18.4,21.7,25.1,27.7,28.4
1977,27.5,27.1,26.1,24.9,21.9,18.5,18.2,19.4,21.7,23.7,26.5,27
1978,27.2,27.5,26.8,24.3,22,19.5,18.7,20.5,22.4,23.9,26.1,27.6
1979,27.4,27,25.8,24.2,22,19.8,18.6,19.6,22.7,25.3,26.8,27.8
1980,28.5,28.2,26,24.7,22.9,20.4,19.1,20.3,21.9,25.1,26.7,27.4
1981,25.7,27.7,26.9,25.2,22.4,19,19.9,20.8,22,24.2,26.8,28.6
1982,28.7,27.8,27,24.3,21.6,17.3,17.8,19.9,22,23.3,25.7,27.5
1983,28,27.9,27.1,25.6,23.6,19.6,18.6,20.2,23.8,25.7,27.2,27.4
1984,27.2,26.3,26.2,24.4,22.4,20.3,18.7,20.5,23.2,24.3,26.8,28.8
1985,28.8,27.6,26.2,25,22.4,18.5,17.5,20.8,21.8,24.6,26.8,28.6
1986,28,27.9,26.7,24.9,22.8,20.2,21.2,20.9,23.7,26.1,26.6,28.2
1987,28.7,27.9,27.2,25.3,23.3,21.4,18.7,20.9,22.6,26.4,27.5,27.6
1988,28,27.7,26.6,25.4,22.7,19.9,20.5,21,22.9,26.3,27.2,27.2
1989,27.4,27,26.5,24.8,23.2,18.9,19,19.2,22.4,25.1,26.7,26.6
1990,27.5,28.8,26.8,24.5,22.9,19.6,19.4,18.8,20.9,24.4,26.6,27.5
1991,26.7,27,26,24.4,22.2,19.9,18.4,20.2,21.9,24.6,26.5,27.7
1992,28.8,28.2,26.8,24.8,23.6,18.8,18.8,20.8,24.2,24.1,26.6,26.9
1993,26.6,27.1,26.8,24.3,22.5,20.3,20.7,20.2,23.1,24.4,26.6,27.2
1994,29.1,27.6,26.3,24.1,22.1,19.4,19,19.1,21.5,24.7,26.5,26.5
1995,27.5,27.3,27.1,25.4,22.9,20.2,18.9,20.3,22.2,24.2,27.1,27.8
1996,27.5,27.2,26.4,25.6,22.7,20.5,18,20.5,21.5,24.6,26.4,27.8
1997,26.9,26.7,26,23.5,20.7,19.4,19,19.6,22.3,23.7,26.4,27.4
1998,27.2,27.9,26.3,25.9,22.6,20,20.2,21.3,23.5,25.6,26.1,26.9
1999,27.5,27.2,26.4,24,21.9,19.8,18.3,19.8,22.1,24.7,25.5,25.9
2000,26.9,25.9,25.7,24.2,22.1,18.2,17.3,20,22.1,24.5,25.6,25.6
2001,26.4,26.6,26.9,24.9,20.7,21,18.4,20,23,25.5,27.3,28.7
2002,28.5,28.3,26.6,25,22.6,19.9,18.3,20,22.2,24.8,25.8,27.8
2003,27.4,27.5,26.5,24.9,22.4,20.8,20,20.8,22.6,25.3,26.3,27.8
2004,28.2,27.9,26.7,24.6,22.5,19.7,19.5,19.2,21.8,24.8,26.6,27.3
2005,27.1,28.6,27,24.9,21.3,21.3,19.8,19.7,22.3,25.6,27.1,28.6
2006,27.4,28,26.6,24.9,22,20,19.4,19.6,21.8,23.1,25.8,26.3
2007,27.1,26.4,26.8,24.2,23.4,18.3,17,20.6,22.1,24.7,26.3,27.2
2008,27.2,26.7,25.7,23.3,21.1,20.4,18.7,19,22.9,24.7,26.9,28.2
2009,26.6,26.6,26.5,24.9,21.7,19.9,19.2,21.1,23.6,24.8,25.8,27.6
