1901,27.3,28.7,28.7,27,26,24.9,23.7,24.3,26.7,27.9,26.1,26.2
1902,27.2,28.6,28.6,26.8,25.8,25,24,24.6,26.9,27.9,26.1,26.2
1903,27.5,28.8,28.8,27.1,26,24.9,23.9,24.4,26.7,27.9,26,26.1
1904,27.2,28.7,28.7,27.1,26,25,23.7,24.3,26.7,27.9,26.1,26.2
1905,27.3,28.7,28.7,27,26,24.9,23.8,24.3,26.7,28,26.2,26.3
1906,27.2,28.9,28.7,27,26.2,25.1,23.8,24.4,26.8,27.9,26,25.9
1907,27.1,28.8,28.8,27.1,26.1,25,23.8,24.3,26.7,27.9,26,25.8
1908,27.2,28.6,28.9,27.2,26.4,25,23.8,24.3,26.9,28.3,25.9,25.9
1909,27.1,28.6,28.6,26.7,25.9,24.8,23.8,24.4,26.7,27.9,26,26.2
1910,27.3,28.7,28.8,27.1,26.2,25,24,24.4,26.7,27.9,26.1,26.3
1911,27.4,28.2,28.5,26.8,25.6,25,23,24,26.3,27.4,25.8,25.6
1912,27,28.6,28.5,26.7,25.6,24.5,23,23.7,26.1,27.6,26.1,25.6
1913,26.9,28.3,28.3,26.7,25.9,24.5,23.7,24.3,26.7,27.9,26.1,26.2
1914,27.3,28.7,28.7,27,26,24.9,23.7,24.3,26.7,27.9,26.1,26.3
1915,27.3,28.7,28.6,27.2,25.9,24.7,23.5,24.2,26.6,27.8,26.2,26
1916,27.1,28.9,28.4,26.7,26,24.8,23.5,24.3,26.7,27.9,26.2,26.1
1917,27.4,28.9,28.7,26.8,26,24.8,23.6,24.2,26.6,27.9,26.2,26.3
1918,27.2,29,28.7,26.8,26.1,24.8,23.7,24.3,26.7,27.9,26.1,26.2
1919,27.3,28.7,28.7,27,26,24.9,23.7,24.3,26.7,27.9,26.1,26.2
1920,27.3,28.7,28.7,27,26,24.9,23.7,24.3,26.7,27.9,26.1,26.2
1921,27.3,28.7,28.7,27,26,24.9,23.7,24.3,26.9,28.1,26.6,26.7
1922,27.7,29.1,29.1,27.2,26.3,25.3,23.6,24.2,26.9,28.2,26.7,26.8
1923,27.3,29.2,28.7,27.3,26,25.3,23.7,24.9,27.2,28.4,26.6,26.6
1924,27.5,29.5,29.1,27.3,26.4,24.9,24.7,24.4,27.2,28.5,26.7,26.6
1925,27.5,28.6,28.7,27,26.3,25.5,24.4,25,27,27.8,26.1,26.1
1926,27.8,28.8,28.5,26.3,26.4,25.3,24.1,25.1,26.8,28.1,26.4,26.1
1927,27.7,29.3,28.9,26.6,26,24.7,24.3,25.1,27.6,28.3,27.5,26.9
1928,27.8,29,29.4,27.8,26.5,24.8,24.1,24.4,27.2,28.5,27.1,26.6
1929,27.8,29.8,29.4,27.4,26.7,24.9,23.4,24.3,26.7,27.9,26.1,27
1930,27.4,28.8,28.4,26.8,25.6,24.5,23.2,24.2,26.6,28,26.6,26.2
1931,27.4,28.8,28.7,26.9,26.5,25.2,24,24.5,27,28.2,26.1,26.3
1932,27.3,29.3,28.7,27,26,24.9,23.7,24.3,26.7,27.9,26.1,26.2
1933,27.1,28.8,28.7,27.2,26.2,25.1,23.8,24.4,26.7,28.4,26.7,26.2
1934,27,28.2,28.5,27.1,26.7,24.9,23.5,24.4,26.8,28,26.6,26.4
1935,28,29,29,27.1,26.1,24.2,23.5,24,26.6,28.4,26.8,26.3
1936,27,28.6,28.7,27.2,26.7,24.3,23.3,24.1,26.5,28.6,27.3,26.6
1937,27.5,29.1,28.8,27.7,26.7,25.4,23.8,24.7,27.2,28.6,26.8,26.8
1938,27.4,29.3,28.8,27,26,25.2,24.2,24.9,27.2,28.2,26.6,26.3
1939,27.6,28.9,28.6,27.4,26.9,24.8,23.7,24.7,27.1,28.4,26.7,26.6
1940,27.8,29.4,28.5,26.2,26.9,25.6,23.8,24.8,27.5,28.5,27,27
1941,27.6,30.1,29.2,28.2,27.1,24.8,24.2,24.7,27.8,29,26.4,26.3
1942,28.2,29.7,29.4,27.5,27.1,25.2,23.4,24.4,27.2,28.1,26.4,26.6
1943,28.2,28.8,29,27.9,26.8,25.1,23.6,24.2,26.7,28.2,27.5,27
1944,26.9,29,29.2,28.1,27,25.8,24,24.4,26.7,28.3,27.7,27
1945,28.4,29.3,30.3,28.5,27,24.7,23.8,24.2,26.6,28.3,26.7,26.6
1946,27.5,29,29.5,27.6,26.9,25.4,23.7,24,26.4,28,26.8,27.4
1947,28.2,28.9,29,27,25.7,25.1,24,24,27.4,27.7,26.6,26.1
1948,27.1,28.5,28.7,27.3,27,25.4,23.9,24.6,26.8,27.6,26.3,25.6
1949,27.2,28.6,28.9,27.8,26.8,24.3,23.5,24.3,26.6,28.3,27.1,26
1950,26.8,27.9,28.8,27,25.5,24.6,22.9,23.6,26.1,27.1,26.3,26.4
1951,28.2,29.5,29,26.3,25.9,25.2,24,24,27.7,28,26.5,26.4
1952,28,29.6,29.9,27.8,27.1,25.1,24,24.5,27.7,28.2,26.8,27.2
1953,28.3,29.1,29.7,28.1,26.8,26.2,24,24.8,27.3,28.1,26.9,27
1954,28.6,29.7,30,27.3,26.5,24.7,23.8,24.2,26.6,28.1,26.3,26.3
1955,27.8,28.9,29,27.3,26.2,25.2,24.6,25.1,26.9,28.3,26.3,26.5
1956,26.9,28.4,28.9,27,26.4,25.3,23.2,24.9,26.7,28.1,26,26.3
1957,27.4,27.9,28.5,27.2,26,25.4,23.2,24.3,27.1,28.7,25.9,25.8
1958,27.6,27.7,28.9,27.6,26.1,25.1,23.1,24.4,27.1,28.1,26.7,25.8
1959,27.8,28.5,28.4,26.8,26.6,24.9,23.4,23.9,26.5,27.3,26.3,25.4
1960,27.6,28.5,27.3,26.4,26.1,25.2,23.3,24.5,26.3,27.2,26.7,26.7
1961,29.1,29.6,29.7,27.6,28.1,27,24.7,24.6,25.9,26.6,23.4,25.6
1962,25.7,28.5,28.7,28.3,25.9,25.7,23.6,24.7,26.5,27.9,26.3,25.6
1963,26.2,27.9,28.1,26,25.2,24.2,23.9,23.7,26.2,29,25.6,24.5
1964,26.9,29.4,29.1,26.5,25.8,25.3,22.6,23.8,25.7,27.1,27,24.9
1965,26.8,29.4,29.6,27.1,26.4,25.4,23.5,24,26.9,26.9,25.5,26.8
1966,28,29,27.7,26,26.7,24.7,24,24.8,27.1,28.1,25.9,27.4
1967,28.8,29.6,30.2,26.9,25.6,24,23.2,23.5,25.8,26.8,24.8,25.6
1968,27,27.2,25.4,25,24.8,23.8,21.7,22.8,26.1,27.4,24,25.9
1969,27.1,26.2,27,28.7,26.4,25.1,23.8,24.2,27.5,29,26.1,27
1970,26.1,28.2,27.6,25.6,25.8,24.5,23.1,23.5,26.1,27.8,27.2,26.4
1971,27.2,28.6,28.7,26.6,25.3,23.4,22.5,24.1,25.7,27.2,27.1,26.1
1972,27,27.1,28.8,28.5,26.5,25.2,23.3,25,27.1,27.8,25.2,26
1973,26.8,29,30.5,28.6,26.3,24.6,24.3,24.5,27.2,28.4,27.1,26.6
1974,28,28.9,27.6,26.3,25.7,24.8,23.4,24.3,25.1,28,26.7,26.8
1975,27.7,29.8,29.3,27.5,25.9,24.3,24.1,23.3,25.8,27.1,26.1,26.9
1976,27.8,28.8,29.5,27.4,26.2,25.5,24.5,24.9,26.5,28.4,27.4,27.1
1977,27.1,28.9,29,27.2,27,25.5,24,24.6,26.9,28.3,23.8,25.5
1978,26.2,27.9,26.1,26.6,25.4,24.6,23.6,25,28,27.6,26.2,25.3
1979,25.8,27.3,27.4,26.9,25.8,23.9,23.3,25.2,26.7,27.1,27.1,28
1980,27.8,28.8,29.7,28.2,26.5,24.9,23.5,24,27.2,29,26.3,26.6
1981,28.6,30.1,28.4,25.9,25.4,25.1,23.1,24.7,26.8,27.9,27.2,26.6
1982,28.8,30.3,30.4,26.7,25.9,25,24.2,24.4,27.1,26.7,25.5,25.8
1983,28.7,29.3,29.7,28.4,26.6,25.4,24.7,25.3,26.6,29,28.3,25.4
1984,26.1,29.2,29.7,26.4,26.8,25,23.2,24,27.4,27.4,24.6,25.6
1985,27.9,27.5,28.6,26.2,25.2,24.2,23.3,23.9,27,27.3,25.9,26.7
1986,27.3,30.2,28.7,26.8,25.2,23.8,23.2,25.3,26.8,28.7,26.2,25.7
1987,27.6,29.3,29.9,28.8,26.6,24.9,24.8,24.9,28.4,29.7,27.1,28.7
1988,28.5,30.4,29.7,27,26.6,26.3,24.2,24.6,26.7,28.4,26.2,26.3
1989,26.3,27.9,28.8,25.8,25.4,24.4,23.4,24,26.3,27.7,26,24.9
1990,26.5,28.3,26.8,26.3,26.6,24.9,24.2,23.7,26.4,28.3,25.1,25.8
1991,27.6,29.4,29.5,27.6,26.7,26,24.3,24.6,27.4,28.8,27,26.7
1992,27.7,29.9,29.3,27,25.9,24.7,23.1,23.6,26.1,28.2,25.9,26.1
1993,26.4,27.4,28.1,27.6,26.9,25.6,23.5,24.7,26.8,28.1,27.2,26.5
1994,25.9,28.9,26.9,26.8,26.3,25.3,23.8,24.3,27.2,27.8,25.1,25.5
1995,27.9,29.3,29.1,27.9,26.4,25.5,23.4,24.6,26.8,27.9,26.4,26.9
1996,28.3,30.7,30,27.4,26.6,26.2,24.1,24.8,27.7,28.3,26.2,26.3
1997,28.4,29.6,28.1,27.1,26.6,25.1,24.4,25.2,28.3,28.3,26.9,27.6
1998,28.6,30.5,29.4,26.5,25.4,25.6,24.3,23.7,26.9,29.5,27.4,27.2
1999,28.7,29.1,29.5,28.5,26.5,27,24.5,25.8,28.7,28.4,26.6,26.2
2000,26.9,29.1,29.9,29.2,28.1,25.4,25.8,26.6,27.1,28.4,28,26.1
2001,27.9,30.6,30.4,26.8,26,24.9,23.6,25.1,27.6,28.9,26.3,26.8
2002,27.9,29.9,30.3,28.5,27.4,26.1,24.5,25.6,28.8,29.7,26.6,27.7
2003,28.1,29.4,29.9,28.4,27.2,26,24.4,25.2,27.2,29.2,27.6,28.7
2004,29.5,30.9,29.6,27.2,27,25.6,24.7,25.6,27.2,27.6,26.3,26.3
2005,27.1,30.2,29.9,28.4,26.2,25.7,23.9,24.7,27.7,28.4,27.4,28.4
2006,28.8,30.6,29.5,27.6,27.6,25.1,25.1,25.3,27.1,29.6,27,26.5
2007,28.3,29.7,29.5,27.8,27.1,25,23.6,24.8,28.3,28.5,26.7,27.7
2008,28.6,30.7,28.4,27.8,26.6,24.8,24.7,26.6,27.4,28.1,25.7,26.3
2009,28,29.9,30,28.3,26.8,26.2,24.7,26.8,28,29.5,26.8,28.7
