1901,26.9,27.8,27.6,27,26.5,24.8,25.3,27,28.4,28,27.1,25.7
1902,26.8,26.9,27.3,27.1,26.8,25.1,25.4,25.7,28.3,27.7,27.5,26.3
1903,27.2,28.2,27.5,26.6,25.3,24.5,25,25.7,27.9,26.9,26.3,25.2
1904,26,26.5,26.7,26.6,25.1,24.4,24.7,26,27.3,26.9,27.1,25.8
1905,26.5,27.6,26.9,26.7,26.4,25.3,25.1,26,27.3,28.3,27.4,26.1
1906,26.6,27.3,27.2,27.2,26.4,23.6,24.8,26.3,27.6,27,27.4,25.7
1907,26.5,26.6,27.6,26.5,25.5,24.3,24.1,25.6,27.7,27.2,27.3,26.2
1908,27.1,27.2,27.6,27.1,26.1,24.6,24.8,24.9,27.6,26.2,26.7,26
1909,27,27.2,27.2,26.7,25.3,23.7,24.2,25.5,27.7,27.1,26.9,25.7
1910,26.3,26.9,26.4,27.2,25,24.8,24.9,26,27.7,27,27.1,25.7
1911,26.3,27.8,26.5,26.9,25.6,23.9,24.6,26,27.7,27.5,27.4,26.6
1912,27.5,27.6,27.9,27.4,26.3,23.9,22.7,25.2,26.4,26.2,26.4,24.9
1913,26,26.7,26.5,25.9,24.2,23.4,23.6,24.5,26.2,26.1,26.6,25.5
1914,26.5,27.2,27.8,26.1,24.9,24.2,24.3,24.8,26.6,26,26.4,25.7
1915,27,27,27.8,27.4,26.1,23.9,24.7,25,26.3,26.7,26.8,26
1916,26.9,26.9,27,25.8,24.3,23.1,23.8,25.8,26.9,26,25.2,25
1917,25.9,25.7,26.8,26.1,24,23.3,22.6,25.5,25.4,26.7,26.6,24.8
1918,26.4,26.6,27.8,26.1,25.9,24.2,24.3,26.2,28.1,27.7,28.1,27.1
1919,28.5,29.4,28.2,27.3,26.9,24.4,24.7,25.4,28.6,27.9,27.8,26.6
1920,27.6,28.1,27.9,27.2,25.7,23.7,24.1,25.4,28.2,28.5,28.3,27.1
1921,27.7,27.4,28,26.6,26.2,23.1,23.7,25.9,28,27.8,27.6,27.9
1922,27.8,28.2,27.9,27.2,25.2,24.3,24.3,25.8,28,26.7,27.1,26.4
1923,27.6,28.2,28.3,26.3,25,23.9,24,25.7,28.3,27.9,27.6,26.6
1924,28.4,28.7,27.6,27,25.7,24.3,24.2,25.4,27.8,27,28.3,26.6
1925,27,27.6,27.6,27.1,26.1,23.6,23.9,26.2,28.7,28.5,28.2,27.7
1926,28.6,28.7,27.6,27,25.7,25,23.9,26.3,28.6,28.9,29,27.3
1927,27.9,28,28.1,26.9,25.5,24,23.5,26,28.5,29,28.9,27.8
1928,28.4,28.8,27.3,27.4,26.7,24.6,23.8,25.8,28.1,27.9,29,27.4
1929,28.5,28.3,28,26.9,25.7,24.6,24.4,25.9,27.9,28,28.3,27
1930,27.3,27.6,27.3,27.3,25.5,24.8,24.2,25.6,27.1,28.2,28.2,27.9
1931,28.5,28.6,27.3,27.2,25.9,24.4,23.8,26.2,27.6,28.5,28.9,26.8
1932,27.5,28.2,27.7,27.2,24.6,23.6,24.9,26,28.1,28.4,28.4,27
1933,27.9,27.8,28,26.7,25.7,23.8,23.2,25.8,28.2,27.2,27.7,27.3
1934,26.8,26.6,27.9,26.6,25.8,24.8,24.2,25.3,27.1,27.9,27.9,27.1
1935,27.6,27.9,28,26.5,25.4,24.5,24.4,25.6,27.9,28.9,28.3,27.6
1936,27.7,28.5,27.3,27.1,26.8,24.5,24.5,25.9,28.4,28.7,28,27.3
1937,27.7,28.1,27.7,27.3,26.1,24.6,25.5,27,28.6,28.1,29.2,27.3
1938,28.1,28.2,28.3,27.2,25.9,24,25.4,26.1,28,28,28.1,27.3
1939,27.4,28.3,28.3,28.1,25.8,24.9,25.1,25.7,28.3,28.6,28.6,27.3
1940,27.9,28.4,28.2,27.7,26.6,24.7,26.3,26,28.3,28.5,28.9,27.4
1941,27.2,26.3,27.9,28.3,25.1,24.1,25.5,25.8,27.6,27.9,27.2,26.9
1942,28,27.1,27.4,28.4,25.8,23.6,24.8,26,29.3,28.7,27.2,26.2
1943,27.5,26.8,27.2,28.2,25.1,23.5,25.9,26.2,27.4,29.3,28.2,27.3
1944,27.6,28.3,27.6,28.2,27,26,24.4,26.4,29,28,27.1,26
1945,27,27.4,27.6,26.5,24,24.2,24.8,26.8,27.7,26.9,27.2,25.5
1946,27.2,27.1,27.9,26.3,25.4,25.4,23.8,24.1,27.1,27.1,25.9,24.8
1947,25.6,25.6,26.7,26.4,24,23.9,23.1,23.9,28,27.3,26.6,25.4
1948,27.2,26.4,25.6,26.4,24.9,23.7,24,25.4,28.5,27,26.7,26
1949,25.6,26.5,26.7,26.3,26.7,25.4,22.9,26.7,28.1,29.2,28.5,27.4
1950,25.8,27.4,26.2,26.6,26.9,25.5,25.1,25.5,29.3,28.3,28.5,25.9
1951,26.1,26.9,27.6,25.8,26.1,23.7,24.7,24.6,27.1,28,26.9,26.6
1952,27,26.7,28,25.7,25.4,22.5,23.4,26.8,26.9,27.7,26.5,26.5
1953,26.7,27.8,27.6,26.6,25.4,24.4,22.4,28.4,29.1,26.8,28.2,26.5
1954,26.1,27.1,26.5,27,24.4,24.3,22.9,26.2,28.4,27.5,28.9,26.1
1955,26.9,26.8,26.7,26.3,24.6,25.1,21.4,26.6,28.9,28.4,28,25.8
1956,25.5,27.1,28,25.8,23.4,22.5,23.7,24.4,27.7,27,27.1,26.8
1957,26.4,26.7,27.6,25.2,26.5,23.7,21.1,24.9,26.5,27.1,26.6,26.6
1958,26.8,27.9,27.9,26,23.6,25.5,25.2,23.8,27.6,27,26.6,25.7
1959,26.7,27.3,26.3,25.7,24.7,24.7,23.3,25.3,28,27.8,27.1,26.7
1960,27,27.4,27.7,25.7,22.9,24.2,22.3,24.6,27.6,26.2,26.5,26.4
1961,27.5,27.9,27.5,27.7,26.5,23.5,24.3,28.4,30.1,28.6,28.2,26.5
1962,27,28,27.8,27.1,26,24.4,24.5,26.2,29.6,27.6,29.3,25.9
1963,26.7,26.8,27.1,27,25.9,24.7,25.5,27.9,28.4,29.8,28.1,27.8
1964,26.6,27.4,26.3,28.1,24.7,24.1,24.4,26.7,27.2,26.7,26.9,26.5
1965,27.9,28.3,27.6,27.7,26.1,26.4,24.1,26.8,28.1,28.4,27.6,25.7
1966,28.1,27.5,27.5,27.8,26.4,25.6,24.9,24.1,27.5,27.8,28.1,26.5
1967,27.2,27.3,27.1,27.8,28,22.7,25,27.6,29.8,28.6,27.5,27
1968,27,26.8,26.3,27.6,24.9,26,26,26.5,28.2,28.1,29,27.4
1969,28.5,27.4,27.9,28.1,27.4,24.5,24.9,25.9,29.1,27.9,28.1,26.3
1970,27.8,27.6,27.1,27.6,25.7,24.8,24.7,25.4,29.2,29.1,28.6,26.2
1971,26.2,26.4,28,26.3,24.3,23.5,25.4,26,28.3,26.2,27.6,26.4
1972,26.7,26.9,27.7,27.5,26.7,26.1,24.3,25.2,27.7,28.1,27.1,26.5
1973,27.9,27.7,28.6,27.8,25.5,25,23.3,24.7,27.8,28.2,26.8,25.9
1974,26.7,26.3,27.2,25.8,25.9,24.6,24.1,25.8,27.2,26.8,27.8,25.4
1975,26.4,26.5,26.9,26.1,24.6,24.2,24.8,25.1,26.6,28.1,26.9,26.1
1976,26.1,26.7,26.5,26,25,23.2,23.6,26.8,26.7,28.3,27.1,26.4
1977,27.3,27.3,27.4,27.5,24.6,25,25.8,25.1,27,27,26.8,26.2
1978,26.9,27,27.6,26.4,24.9,24.1,25.4,24.2,26.9,27.8,27.6,25.3
1979,26.5,27.2,26.9,26.4,25.2,22.9,23.5,27.3,27.6,26.2,28.3,26.9
1980,27,26.9,27.7,26.1,25.8,23.4,22.9,24.8,26.2,27.2,26.8,26.4
1981,26.2,26.8,27.4,27,26.2,23,22.6,25.4,25.2,26.4,27.3,25.6
1982,27.1,26.8,26.4,26.8,25,23.6,25.5,25.6,26.7,27.7,27.1,26.6
1983,27.8,28.5,27.8,28.3,25.6,20.2,23.8,24.8,26.2,27.5,26.7,27
1984,26.8,27.3,27.9,27.2,26.9,23.9,25,25.9,28.5,29,27.5,26.7
1985,27.7,27.6,28.4,25.1,27,25.1,23.7,25.1,27.1,28.8,27.8,27.2
1986,27.9,27.2,27.2,27.9,26.5,26.5,24.2,26.9,26.4,27.9,28.2,27.5
1987,28.1,28.4,28.7,27,24.6,24,26.4,25.8,28.5,29.1,28.7,26.7
1988,28.3,28.5,28.4,27,24.6,22.2,24.3,27.7,28.6,29,28.8,25.8
1989,27,27.7,26.9,26.5,23.6,23.9,23,25,26.6,27.1,27.2,26.8
1990,26.8,27,27,27.4,24.5,23.6,22.9,25.4,27.1,28,27.7,26.8
1991,27.9,28.2,27.8,27.2,26.1,24.2,24,25.5,27.4,27.6,27.4,26.9
1992,26.9,27.3,27.4,27.3,26.7,25.5,23.5,25,26.3,27.5,26.9,26
1993,26.8,27,27.2,27.1,25.7,24.5,23.8,24.3,27.7,27.6,27.9,26.5
1994,27.4,27.9,27.8,27.5,26.4,25.1,24.1,26.1,28.3,28.5,28.4,26.2
1995,27.3,27.7,27.6,26.4,24.5,25.4,24.7,24.8,28.4,28.4,27.8,26.9
1996,26.7,27.3,27.2,27.6,25.5,22.7,25,26,25.5,27.7,26.4,25.8
1997,26.6,27.2,26.3,27,26.1,25,25.6,23.9,28.3,28.3,27.9,26.1
1998,29.3,28.9,28.3,27.6,26.2,23.1,26.3,25.3,25.1,27.1,26.5,26.3
1999,26.6,27.4,27.2,25.8,24.8,23.5,24,23.6,28.8,26.5,27.2,25.4
2000,27,26.7,26.8,27.5,24.6,23.5,21.6,25.3,26.7,27.8,27.5,25.6
2001,27.2,27,27.2,27.7,23.6,22.9,23.6,26.3,27.3,27.9,26.8,25.4
2002,27.3,26.7,27.6,28,25.9,23.1,23.8,25.4,26.6,28,27.3,26.2
2003,27.1,27,27,26.7,25.7,25.3,24.2,23.4,25.7,27.2,27.2,26
2004,26.8,26.7,28.1,28.2,24.8,24,24.2,26.3,27.4,28.5,28.6,26.8
2005,27.6,27.6,28.5,28.2,26.3,25.5,24.5,25.9,25,26,27.6,25.6
2006,27.7,27.3,27.7,27.1,25.6,24.6,25.8,24.3,25.8,25.5,26.9,25.5
2007,26.5,27.3,27,27.6,22.9,24.2,23.6,23.2,27.4,27,27.7,25.3
2008,26,26.5,26.6,26.2,23.7,21.9,25.8,26.4,26.1,28.7,27.9,26.5
2009,26.7,27.4,28.3,27.4,25.3,23,24.1,25.6,26.5,27.7,27.9,25.7
