1901,27.9,28.9,29.7,29,27.5,26.4,26.2,26.5,27,27.5,27.8,27.7
1902,27.9,28.9,29.6,28.9,27.4,26.4,26.2,26.5,27,27.5,27.8,27.7
1903,27.9,28.9,29.6,28.9,27.5,26.5,26.2,26.5,27,27.5,27.8,27.6
1904,27.9,28.8,29.6,28.8,27.4,26.4,26.2,26.4,27,27.5,27.9,27.7
1905,27.9,28.8,29.6,28.9,27.4,26.4,26.2,26.5,27,27.5,27.9,27.7
1906,27.8,28.8,29.6,28.9,27.4,26.4,26.2,26.5,27,27.5,27.9,27.6
1907,27.8,28.7,29.5,28.8,27.4,26.4,26.2,26.5,27,27.5,27.8,27.7
1908,27.9,28.8,29.6,28.9,27.4,26.4,26.2,26.6,27,27.5,27.8,27.7
1909,27.8,28.8,29.7,28.9,27.4,26.3,26.2,26.4,27,27.5,27.8,27.6
1910,27.8,28.7,29.6,28.8,27.3,26.4,26.2,26.5,27.1,27.5,27.9,27.7
1911,27.8,28.8,29.5,28.9,27.4,26.4,26.2,26.5,27,27.5,27.9,27.7
1912,27.9,28.9,29.7,28.9,27.4,26.4,26.2,26.5,27,27.5,27.9,27.7
1913,27.8,28.8,29.5,28.8,27.5,26.3,26.1,26.4,27,27.6,27.8,27.6
1914,27.8,28.8,29.6,28.8,27.4,26.3,26.2,26.5,27,27.5,27.9,27.7
1915,27.9,28.8,29.7,28.9,28.5,27.2,27.2,27.7,27.7,28.7,28.3,28.3
1916,28.1,28.9,29.7,29.7,28.1,26.8,26.7,26.5,27.6,27.6,27.8,27.4
1917,27.3,28,29.2,28.8,27.5,26.2,26.4,26.3,27,27.5,27.9,27.6
1918,27.6,28.5,28.8,28.5,26.8,26,26.2,26.9,27.3,27.9,27.8,27.6
1919,27.8,28.8,29.6,28.8,27.5,26.4,26.1,26.5,27,27.5,27.8,27.6
1920,27.8,28.8,29.6,28.9,27.5,26.4,26.2,26.5,27,27.5,27.8,27.6
1921,28,28.7,28.9,28.2,27,25.9,25.9,26.1,27,26.8,27.5,27.5
1922,27.7,28.4,29,28.6,26.8,25.7,25.9,26.2,26.9,27.4,27.3,26.8
1923,27,28,28.5,28.3,27.1,26.1,25.6,26.5,27.2,27.3,27.9,27
1924,27.8,28.5,29.8,29.2,27.9,26.1,25.8,26.1,26.1,26.7,27.2,27
1925,26.5,27.8,28.7,28.5,27.4,26.2,26.2,26,26.8,27.8,27.5,27.6
1926,27.8,29,29.9,29.3,28.1,27.8,26.1,26.5,26.6,27.3,27.7,26.9
1927,27.1,27.8,29.2,28.1,26.8,25.9,25.5,26.1,26.8,27.1,28,27.8
1928,27.5,28.5,28.9,28.5,27,26,25.8,26.3,26.9,27.3,27.8,26.9
1929,27.2,28.3,28.8,28.5,26.6,26,25.7,26.8,26.9,27.5,27.5,27.2
1930,27.7,28.8,29.9,29,27.3,26.3,26.2,26.4,27,27.4,28.2,28
1931,28.2,29.2,30.2,29.5,27.8,26.7,26.1,26.6,27,27.7,27.9,27.7
1932,27.9,28.9,29.5,29.5,27.2,26.4,26,26.6,27,27.3,28,27.7
1933,27.6,28.2,29.5,29,27.3,26.2,25.9,26.3,27.2,26.9,27,26.7
1934,27.2,27.8,28.7,28.9,27.4,26.8,25.7,26.6,27.5,26.8,27.7,27.4
1935,27.8,28.6,29,29.1,26.9,26.1,26,26,27.1,27.2,27.8,27.7
1936,27.7,28.8,29.7,28.9,27.5,26.3,26,26.9,27.2,27.1,28,27.5
1937,27.6,28.6,29.9,29.1,27.3,26.4,26.2,26.5,27.1,27.7,28.3,28.2
1938,28.7,29.5,28.9,28.5,27.3,26.9,26.9,26.8,27.7,28.2,28,28
1939,27.4,27.4,28.5,28.4,27.8,26.9,26.6,27,27.4,28.1,28.6,28.9
1940,28.2,29.4,30.1,29.5,28.9,27.4,26.8,26.3,27.2,28,28.9,27.6
1941,28.4,29.5,31,30.4,28.1,26.7,26.7,27.5,28,28.6,29.3,29.2
1942,29.7,30.6,31.3,29.6,26.9,26.4,26.3,27,28,28,28.4,28.1
1943,28.3,28.1,28.7,28.2,26.8,26.3,26.1,26.6,27.6,28.4,28.5,28.3
1944,28.2,28.6,29.3,28.9,26.7,26.2,26.5,27.3,27,28.5,28.6,28.6
1945,27.7,28.7,29.2,28.8,27.2,26.4,26.6,27.7,28.1,28.2,28.3,28.1
1946,28.1,28.7,29.5,28,27,27.1,26.5,26.5,27.7,28.1,28.2,28.6
1947,28.3,29.5,29.8,29.7,28.7,27.2,25.9,27,27.6,28,28.8,28.7
1948,28.1,28.9,29.6,28.6,27.5,26.3,26.2,26.4,27.3,28,28.4,28.2
1949,27.9,28.6,29.5,28.8,27.4,26,25.8,26.6,26.9,27.5,27.8,27.8
1950,27.3,28.4,29,28.6,26.8,25.9,25.8,26.2,27,27.3,28,27.8
1951,27.5,28.1,29.2,28.9,27.8,26.5,25.7,26.8,27.9,28.4,28.7,28.5
1952,28.3,29.3,30.5,28.2,27.5,26.9,26.5,26.6,27.4,28.2,28.3,28.4
1953,28.2,29,29.9,29.4,27.4,26.7,26.2,26.6,27.4,28.2,28.3,28.5
1954,28,29.1,29.8,28.7,27.4,26.4,26,26.3,27.6,27,28.2,27.5
1955,27.5,28.5,28.1,28.5,27.8,26.7,26.4,26.6,26.8,27.7,27.6,27.3
1956,27.6,28.3,29,28.8,27.5,26.1,26.1,25.7,26.8,26.9,28,27.6
1957,27.1,28.5,29.7,29.3,27.7,26.6,26.5,26.8,27.6,27.8,28,28.2
1958,28.8,29.7,31.3,30.3,28.1,26.9,27.1,27.1,28.3,28.1,28.5,28.8
1959,29.1,29.5,30.5,30.8,27.6,26.4,26.5,26.9,27,27.8,27.8,28.6
1960,28.3,28.9,29.8,28.8,26.5,25.4,24.9,27.3,27.1,27.9,28.4,27.9
1961,28.7,29.3,30.1,29.8,29.1,26.9,26,26.7,27.4,28,28,27.5
1962,27.9,29.3,29.6,30.3,27.2,25.9,25.7,26.9,27.6,28,28.4,28.4
1963,28.4,29.2,29.8,28.8,26.6,26.5,26.5,27,28.2,28.4,28.2,28.2
1964,28.7,30.1,30.7,29,28.2,26.2,26,26.7,27,27,27.4,27.2
1965,28,28.7,30.3,30,27.8,26.7,26.6,26.5,27.6,28.2,27.8,28.2
1966,28.5,29.5,30.1,29.7,28.5,27.3,26.3,26.4,27.4,28,28.1,27.5
1967,27.6,28.9,29.9,28.5,27.9,26,26.2,26.5,27,27.4,28.3,27.6
1968,28,29.3,29.6,28.2,26.1,26.1,26.1,26.5,27.1,27.7,27.9,28.2
1969,28,28.8,30.1,29.1,27.9,27.3,26.6,26.9,27.3,27.3,28.2,27.7
1970,27.8,28.4,29.2,29.1,27.5,26.4,26,26.1,26.7,27.9,28,27.5
1971,27.6,28.3,28.6,27.9,26.5,26.4,26.4,25.9,26.1,26.9,27.1,27.1
1972,27.1,28.3,28.9,28,26.7,26.4,26.7,27.1,27.8,27.9,28.2,28.5
1973,29,30.5,30.2,28.6,27.9,27,26.7,26.8,26.5,28.9,27.6,27.1
1974,27.3,29.1,29.2,28.7,27.9,27.7,27,26.9,26.7,27.1,27.7,27.3
1975,27.4,27.3,29.4,29.3,26.8,26.5,26.2,26.6,27,26.9,27.7,28
1976,26.6,28.3,28.7,28.5,27.4,25.8,26.5,28,27.8,28.4,27,27.8
1977,28.2,29.2,29.7,30,26.9,26.3,26.8,27,27,27.7,28,27.7
1978,27.6,31.1,30.3,28.4,27.8,26.2,27.2,25.4,27.1,26.7,28.2,27.4
1979,27.5,28.7,28.8,28.1,27.7,25.9,26.8,27,27.5,27.7,28.7,27.7
1980,27.6,29.3,29.6,29,27.9,27.3,26.2,26.4,27.4,27.5,27.6,27.8
1981,28.6,28.8,29.8,27.9,27,26.5,26,26.4,26.9,27.6,28.4,27.9
1982,28.2,28.9,29.1,27.6,26.5,26.2,25.9,26.9,27.6,27.7,28.1,28
1983,28.8,29.6,30.7,29,27.7,26.8,27.4,27.4,27.2,28,28.2,27.5
1984,27.5,28.8,30.6,30,28.8,26.7,26.2,26.6,27.1,28,28,27.7
1985,28.2,29,30.1,29.4,27,25.7,26.1,25.7,26.9,27.3,27.1,27.2
1986,27.7,28.2,29.4,29,27.6,26.5,26.2,27,27.3,27.5,28,27.9
1987,28.6,29.6,30.3,29.6,27.6,26.9,27.1,27.1,27.8,28.3,28.9,28.7
1988,29,30,31.3,30.8,28.9,26.8,26,26.7,27.4,28.1,27.1,26.8
1989,26.5,27.7,28.1,28.3,26,24.8,24.9,25.6,25.8,28.2,26.2,26.3
1990,27.1,29.7,30.5,29,27.5,26.5,26.1,26.1,27.7,27.1,28.1,28.2
1991,28.1,29.8,29.7,29.1,28.3,26.7,25.4,25.2,26.8,26.7,27.5,27.3
1992,27.9,29.5,30.7,29.3,26.8,26.9,25,25.6,26.6,26.9,27,27.7
1993,27.3,28.7,28.8,27.4,25.6,24.8,25.4,26.9,27,27.8,28.2,27.2
1994,27.9,28.8,29.5,28.7,27.4,26.5,25.8,26.3,27,27.3,27.2,26.7
1995,27.7,29.5,30.1,29.6,27.9,26.6,26.2,26.4,27.7,27.6,27.9,28.1
1996,28.1,28.8,30.6,30,27.8,26.1,26.5,27,27.5,28.2,28.5,28.1
1997,28.2,28.4,30.1,29.8,28,27.6,26.5,27.3,27.5,28.4,28.3,27.9
1998,28.7,28,28.5,29.5,27.7,26.3,27.2,27.4,27.7,28.1,28.1,27.8
1999,28.2,28.8,29.6,28.1,28.3,27.1,26.3,26.4,26.6,27.5,28.4,28.3
2000,28.7,28.8,29.2,29.2,28,27,26.7,27.1,27.1,27.9,28.5,28
2001,28.4,29.3,30,29.7,28.1,26.7,27.2,27.2,27.8,28.4,28.8,28.7
2002,28.5,30.3,30.3,29.4,29.5,26.8,27.8,27.5,28,28.4,27.7,28.3
2003,29.8,30.2,30.5,29.4,27.9,27.5,26.8,27.5,27.6,28.1,28.6,28.4
2004,28.8,29.8,30.7,29.4,27.7,27.1,26.3,26.9,27.8,28.6,28.4,28.5
2005,28.7,30.2,31.3,29.3,27.9,27.3,27,27.3,27.9,28.4,28.6,28.2
2006,28.5,29.2,29.4,29.6,27,27.4,26.8,27.7,28.6,28.6,28.4,28.7
2007,29.4,30.5,30.4,29.4,28.3,27.2,27.5,27.1,27.4,28,28.8,28.5
2008,28.7,29,30.2,30,27.8,27.5,27,27.3,27.5,27.5,27.7,27.1
2009,27.9,29,29.3,30.2,28.6,27.2,26.7,27.5,27.1,28.9,28.5,28.7
