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