1901,27.4,27.3,27.4,27.5,27.2,26.6,26.1,26.3,26.7,27.3,27.7,27.6
1902,27.3,27.3,27.4,27.5,27.2,26.6,26.1,26.3,26.7,27.3,27.7,27.6
1903,27.8,27.5,27.8,27.7,27.2,26.7,26.3,26.2,26.6,26.9,27.6,27.6
1904,27.3,27.2,27.4,27.3,27.1,26.2,25.8,25.7,26.2,26.9,27.2,27.6
1905,27.5,26.9,27.6,27.7,27.3,26.9,25.9,25.7,26.5,27.2,27.4,28
1906,27.8,28,27.7,28.1,27.4,26.9,26.2,26,26.6,26.9,27.5,27.8
1907,27.1,27.2,27.2,27.5,27,26.7,25.9,25.9,26.2,27.1,27.4,27.4
1908,27.1,27.4,27.4,27.6,27.2,26.3,25.9,26.2,26.7,26.8,27.5,27.3
1909,27.4,27.6,27.4,27.7,27.4,26.8,26.7,26.7,26.8,27.4,27.6,27.3
1910,27.3,27.3,27.4,27.5,27.1,26.7,26.3,26.3,26.9,27.4,27.7,27.7
1911,27.4,27.2,27.4,27.4,26.9,26.3,25.7,26.2,26.2,27.2,27.5,28
1912,27.4,27.5,27.5,27.7,26.9,27.1,26.1,25.7,26.8,27,27.7,27.6
1913,27.4,27.1,27.3,27.4,26.8,26.3,25.8,25.5,26.2,26.7,27.8,27.8
1914,27.4,27.2,27.5,27.7,27.2,26.3,25.7,25.5,26.1,26.7,27.3,27.7
1915,27.6,27.6,27.4,27.5,27.3,26.6,26.5,26.4,27.4,27.4,28,27.7
1916,27.3,27.4,27.6,27.7,27,26.9,26.6,26.6,26.8,27.4,27.6,27.6
1917,27.4,27.4,27.4,27.5,27.1,26.5,26.3,26.5,26.9,27.3,27.9,27.2
1918,27.2,27,27.2,27.3,26.7,26.3,25.4,25.9,26.2,27,27.8,27.5
1919,27.3,27.4,27.4,27.5,27.2,26.3,25.5,25.7,26.2,26.9,27.6,27.6
1920,27.3,27.1,27.5,27.6,27.2,26.9,26.2,26.4,26.8,27.2,27.5,27.5
1921,27.1,27.4,27.6,27.2,27.1,26.9,26,25.7,26.6,27.2,27.4,27.6
1922,27.7,27.6,27.4,27.3,26.6,26.5,26.1,25.5,26.5,27.2,27.3,27.8
1923,27.6,27.1,27,27.3,26.9,26.1,25.1,26,25.7,26.9,27.6,27.9
1924,27.5,27.7,28.1,27.3,27.3,26.8,25.7,26,26.4,27.4,28.2,27.5
1925,27.7,27.5,27.4,26.8,26.4,26.1,25.4,25.5,25.9,26.2,27.3,27.9
1926,27.4,27.9,28.3,27.8,27.5,26.6,26,26.2,26.7,27.5,27.6,27.8
1927,27.3,28.1,28.4,27.7,27.3,27.2,26,25.4,25.7,26.6,27.2,27.8
1928,27.4,28,27.8,28.1,27,25.9,25.4,25.8,26.5,27.3,27.8,28.3
1929,27.1,26.7,27.5,27.6,26.3,26.2,25.7,25.4,25.6,26.8,27.7,27
1930,27.6,27.1,27.2,27.6,27.6,26.6,25.6,25.8,25.4,26.8,27.1,27.4
1931,27.8,27.3,27.2,26.6,26.9,26,25.2,26.4,25.5,27.2,26.9,27.8
1932,28,27.9,28,28.3,27.4,26.6,25.2,25.5,26.1,27,27.4,27.7
1933,28.1,27.7,27.9,27.8,27.1,26.6,26,26.3,26.4,27.1,27.5,27.4
1934,27.6,27.8,27.5,27.9,27.3,27.1,26.4,26.1,25.7,26.8,28.2,27.8
1935,27.9,28,27.5,27.5,26.8,26.5,26.2,25.7,26.3,27,27.3,27.8
1936,27.9,27.6,28,27.7,26.9,26.8,26.3,25.6,26.5,26.8,27.7,28.1
1937,27.6,27.9,27.9,27.8,27.5,27,26.2,25.8,26.4,27.1,27.9,28
1938,27.5,27.3,27.7,27.9,26.9,26.8,26.1,26.4,26,26.6,27.2,27.4
1939,27.4,27.2,27.2,27.4,26.6,26.4,26.3,26,26.1,26.7,27.6,28.1
1940,27.2,27.1,27.3,27.4,27.1,26.7,26,25.8,26,26.1,27.6,28
1941,27.2,27,27.3,27.1,26.9,26,24.8,24.9,25.3,27.1,26.6,27
1942,27.2,27.6,27.7,28.1,27.7,27.1,26.8,25.9,26.6,27.1,27.3,27.6
1943,27.1,27.2,27,26.9,26.3,25.9,26,25.9,26.2,26.8,27,27.3
1944,27.4,27.1,27,27.4,26.8,26.4,25.7,25.7,26.3,26.9,27.4,27.6
1945,27.4,27.3,27.2,27.3,26.7,26.7,25.9,26.4,26.7,27,27.3,27.3
1946,27.3,27.3,27.4,27.1,26.9,25.9,25.5,25.6,26.3,26.7,27.3,27.6
1947,27.1,27.2,27.5,27.5,27.1,26.9,26.1,26.3,26.9,27.1,27.8,27.5
1948,27.6,27.4,27.4,27,27.1,26.4,26.4,26.1,26,27.1,27.2,27.1
1949,27.8,27.4,27.4,27.3,26.6,25.7,26,25.8,26.4,27.2,27.4,27.2
1950,26.8,27.1,27.4,27.4,26.9,26.9,26.2,26.5,27.1,27.1,28.6,27.2
1951,26.9,28.5,27.6,27.7,27.1,26.5,26.5,26.9,26.7,27.6,27.8,28.5
1952,27.6,28,28.2,28.2,27.8,27.2,26.6,27.1,26.9,27.9,27.9,27.7
1953,27.3,27.3,27.8,27.6,27.3,26.8,26.1,26.2,26.6,27.6,28.2,27.8
1954,27.6,27.8,27.7,27.8,27,26.9,26.3,26.4,26.7,27.1,27.4,27.4
1955,27.1,27.4,27.3,27.6,28,27,26.7,26.8,26.9,27.7,27.6,28.1
1956,27.6,27.3,27.8,27.9,28.3,27.7,27.3,27.1,27.3,28.2,28,27.4
1957,27.6,27,27.8,27.7,27.3,27,26.7,26.6,26.5,27.3,28,27.9
1958,28.2,28,28.2,28.2,28.3,27.9,26.5,26.9,27.1,27.5,27.1,28.2
1959,26.9,27.7,27.3,27.2,26.9,26.2,25.8,25.7,26.2,27,27.8,28
1960,27,27.3,26.9,27,27,26.2,25.8,26.2,26.5,27.1,27.6,27.3
1961,26.9,27.8,27.8,27.3,26.7,25.9,25.9,26.1,26.2,26.6,27.6,27.7
1962,27.9,27,27.2,27,26.9,26.6,25.9,25.8,26.8,27.6,27.9,27.4
1963,27.3,27.2,27.2,27.1,27.1,26.5,25.6,26.1,26.3,26.5,27.1,27.8
1964,27.2,27.6,27,27.6,27.1,26.7,26.7,26.3,26.9,27.6,27,27.2
1965,26.5,27.1,26.8,27.3,26.8,25.8,24.4,25.4,26,26.6,27,27
1966,26.4,27.1,27.1,27.3,26.8,26.2,25.6,26.2,26.8,27.1,27,26.9
1967,26.7,26.6,26.7,26.8,26.5,25.7,25.4,26.2,26.4,26.8,27.3,27.6
1968,26.7,26.3,27.3,27.2,26.7,26.6,26.1,26.5,26.3,26.8,27.1,27.2
1969,26.6,27,27.4,27.6,27.2,26.4,26,26,26.5,26.9,27.5,27.7
1970,27.4,27.5,27.4,27.6,27.1,27,25.9,26.5,27.1,27.7,27.3,27.3
1971,27.4,27.1,27.1,27.2,27.1,26.6,26,26.7,27,28.1,27.9,27.7
1972,27.3,26.8,27,27.3,26.9,26.8,26,25.8,25.5,26.8,27.6,27.7
1973,27.5,27.8,27.4,27.6,27.5,27.4,26.4,26.9,27.1,27.5,27.1,27.4
1974,26.8,27.3,26.8,27.3,27,26,25.9,26.7,27.2,27.4,27.6,27.4
1975,27.4,27.1,27.1,27.5,27.6,26.7,26.7,26.7,27,27.6,28.1,26.1
1976,26.5,27.4,26.8,27.5,27.2,26.5,26.3,25.7,26.2,27.6,28.3,28
1977,27.2,27.6,27.4,27.2,26.7,26.1,25.8,25.9,26.5,26.7,27.6,27.7
1978,27.6,27.5,27.8,27.7,27.8,26.9,26.4,26.5,26.6,26.8,27.7,27.7
1979,27.3,27.6,27.7,27.5,27.3,27,26.1,25.9,26.6,27.1,27.9,27.7
1980,27.7,27.4,27.6,27.9,27.7,27.3,26.2,26.2,26.2,27.2,27.6,27.6
1981,27.3,27.4,27.4,27.5,27.6,27,26.7,26.8,27.5,27.1,27.9,27.9
1982,27.5,27.4,27.6,27.6,27.3,26.6,25.7,25.5,26.2,26.5,27.3,28
1983,27.9,28,27.7,27.8,27,27,26.2,26.4,26.9,27.8,28.2,27.9
1984,27.5,27.3,27.4,27.8,27.3,26.4,25.9,26.4,27.2,27.2,28,27.6
1985,27.5,27.6,27.8,27.1,27.5,26.2,25.3,26.1,26.5,27.5,28,27.9
1986,27.5,27.7,27.7,27.5,27.6,27.1,26.6,26.7,27,27.8,27.9,28
1987,27.9,27,27.8,27.7,27.5,27.5,26.2,26.4,27,27.6,29,28.4
1988,28.1,27.8,27.8,28.2,27.6,27,26.7,27.1,27.5,28.3,28.4,27.6
1989,27.5,27.6,27.3,27.5,27.5,26.9,26.7,26.6,27.2,27.6,28.1,27.7
1990,27.8,28.8,28.5,28.1,27.7,26.7,26.8,26.3,26.4,27.2,28.1,28.4
1991,27.7,27,27.6,27.9,26.9,26.6,26.4,26.4,26.3,26.9,27.9,28.1
1992,27.8,27.7,27.9,27.4,27.5,26.7,26.1,26.6,27.5,27.2,27.8,27
1993,27,26.9,27.8,27.5,27.3,27.1,26.8,26.3,27.2,28.2,27.9,27.5
1994,27.8,27.4,27.9,27.4,27.1,26.6,25.9,25.8,26.6,27.5,27.6,27.5
1995,27.5,27.6,27.5,27.7,27.1,26.9,26.3,26.3,26.5,26.7,27.9,27.4
1996,27.6,27.5,27.5,27.4,26.7,27,25.8,26.4,26.9,27.2,27.7,27.6
1997,27.1,27.4,27.3,27.3,26.9,26.7,26.1,26.2,26.6,27.2,27.5,27.8
1998,27.4,27.7,27.7,27.8,27.5,26.9,26.5,26.3,26.8,27.4,28.1,27.4
1999,27.5,27.5,27.4,27.4,27.1,27,26.1,26.1,26.6,27.2,27.8,27.4
2000,27.5,27.2,27.4,27.5,27.1,26.3,26,26.2,26.6,27,28,27.2
2001,27.2,27.2,27.5,27.6,27.1,27,26.2,26.1,26.8,27.4,28,27.6
2002,27.7,27,27.8,27.7,27.5,26.9,26.3,26,26.8,27.5,27.9,28.1
2003,27.1,27.4,27.4,27.9,27.5,27.4,26.6,26.4,26.9,27.9,27.8,28.2
2004,28.1,27.3,27.6,27.8,27.6,26.6,26.2,26.1,26.5,27.4,27.9,27.6
2005,27.5,27.9,27.6,27.6,27.1,26.8,26.5,26.3,26.9,27.6,27.7,27.6
2006,27.2,27.5,27.4,27.4,27,26.3,25.9,26,26.4,27.1,27.7,27.5
2007,27.4,27.3,27.2,27.4,27.3,26.4,25.8,26.1,26.6,27.3,27.6,27.6
2008,27.3,27.3,27.3,27.3,27,26.6,26,26.1,26.7,27.3,27.8,27.5
2009,27.3,27.2,27.5,27.5,27.1,26.6,26,26.2,26.8,27.3,27.6,27.5
