1901,28,28.3,29,27.9,28.1,28.1,27.7,27.6,26.5,27.3,27.6,27.4
1902,27.6,27.7,28.5,29.2,28.1,27.8,28,27.5,27.1,26.7,27.7,27.7
1903,27.5,28.1,28,29.1,28.7,27.8,27.5,27.6,27.3,27.5,27.3,27.3
1904,27.4,27.5,28,27.8,27.8,27.5,27.3,27.7,27,27.6,27.3,27.4
1905,26.9,27.5,28.4,28.7,27.4,27.6,27.9,27.7,27.6,27.6,28.1,27.5
1906,27.5,27.5,27.1,29.1,29,27.8,27.7,27.5,27.5,27.4,27.5,27.7
1907,27.4,27.4,27.7,28.7,27.4,27.8,27.2,27.3,27.4,27.2,27.3,27.1
1908,27,27,28,28.9,27.6,27.4,27.1,27,26.8,27.2,27.3,27.3
1909,27.1,27.6,28,28.1,27.6,27.4,27.1,27.2,27.1,27.2,27.1,27.1
1910,27,27.6,27.2,27.7,28.1,27.5,27.7,27.5,26.7,27,27.3,27.1
1911,27.1,27.4,27.9,27.9,27.9,27.6,27.5,27.6,27.1,27,28.2,27.8
1912,26.8,27.7,27.9,29.1,28.3,27.6,27.3,27.3,27.1,27.3,27.4,27.6
1913,27.6,27.9,28.3,28.7,28.7,27.5,27.3,27.8,27,27.4,27.6,27.6
1914,27.3,27.2,28.1,28.6,28.3,27.6,27.4,27.2,27.6,28.1,28.4,27.9
1915,27.9,28.2,28.6,29,28.6,27.2,28,26.9,27.7,27.4,27.7,26.9
1916,26.6,27.2,28.4,29.4,28,27.7,27.5,27.5,27.2,27.5,27.5,26.9
1917,26.5,27.4,27.7,28.6,27.8,27.9,27.3,27.3,27.1,27.2,27.5,27
1918,27,26.5,28,28.4,27.6,27.3,27.7,27.4,27.4,27.3,27.7,27.4
1919,28,27.7,28,28.9,28.5,27.7,27.6,27.9,27.8,28,27.6,27.6
1920,27.3,26.7,28.5,28.7,28,27.6,27.7,27.4,27.1,27.1,27.5,27
1921,27.7,27,28.3,28.8,28,27.7,27.4,27.4,26.9,27.2,27.2,27.4
1922,27,27,27.5,27.8,27.8,27.6,27.2,27.2,27,27.3,27.1,26.8
1923,27,26.6,27.8,28.3,27.8,27.6,26.8,27.5,26.8,27.4,27.4,27.9
1924,27.4,27,28.4,28.6,28.1,27.8,27.1,27.6,27.3,27,27.2,26.8
1925,26.8,26.9,27.9,28.4,28.1,27.5,27.7,27.3,27.5,27.1,27.5,27.2
1926,27,27.4,28.3,29.1,29,28,27.7,27.5,27,27.2,27.5,27.1
1927,27,27.4,28.1,28.2,27.5,27.5,27.5,27.4,27.6,27.3,27.4,27.3
1928,27.4,27.5,27.6,27.9,28,27.8,27.7,27.3,27.4,27.2,27.8,28
1929,27.4,27.1,27.9,28.4,27.9,27.5,27.8,27.4,27.6,26.9,27.4,27.5
1930,26.9,27.1,27.7,28.5,28.5,27.5,27.7,27.8,27,28,27.6,27.2
1931,27.2,27.6,28.2,29.2,28.5,27.9,27.6,27.7,27.5,27.3,27.7,27.1
1932,27,26.9,28.1,28.3,28.5,27.4,27.6,26.9,27,27.4,27.3,26.9
1933,27.4,27.2,28.3,28.6,28.5,27.6,27.5,27.9,27.2,27.2,27.4,27.1
1934,27.3,27.1,28,28.2,28.2,27.5,27.9,27.3,27.4,27.5,27.1,26.6
1935,26.5,27,28.3,28.5,27.8,27.5,27.6,27.3,27,27.6,27,26.9
1936,26.7,26.9,27.7,28.3,28.4,27.5,27.3,27.2,27.6,27.6,27.6,27.7
1937,27,27.5,27.9,28.8,27.9,27.5,27.4,27.7,27.6,27.5,27.7,27
1938,27.4,27.4,27.9,28.6,27.9,27.6,27.5,27.5,27.3,27.4,27,27.3
1939,27.4,27.1,27.9,28.6,28,27.3,27.4,27.6,27.3,27.3,27.6,26.7
1940,25.8,27,27.6,28.4,28.1,27.7,27.4,27,27.1,27.3,27.4,27
1941,27.1,26.8,27.1,28.7,28.4,28.1,27.6,27.8,27.3,27.5,28,27.5
1942,27.8,27.6,26.9,27.4,27.1,26.8,26.6,26.7,26.3,26.5,26.6,26.7
1943,26.2,26.1,26.8,27.1,26.9,26.6,26.7,26.7,26.4,26.5,26.6,26.4
1944,26.5,26.6,26.8,27.4,27,26.8,26.4,26.6,26.4,26.6,26.6,26.3
1945,26.3,26.6,26.8,27.3,27.1,27,26.5,26.7,26.3,26.4,26.7,26.5
1946,27.3,28.1,28.8,28.8,28.5,28,27.8,27.5,27.5,27.7,28.1,27.9
1947,27.3,27.8,28.4,28.8,28.8,27.7,27.7,26.4,27.6,27.7,27.8,27.7
1948,28,27.6,28.8,28.6,28.3,27.9,27.8,27.9,27.6,27.8,27.9,26.6
1949,26.5,27.6,28.8,28.8,28.7,27.8,27.3,27.8,27.4,27.6,27.9,27.9
1950,27.6,27.8,28.9,28.9,28.6,27.9,27.5,27.8,27.1,27.7,28.1,27.4
1951,26.8,25.9,27.3,27.9,27.6,27.2,26.8,27.4,27.1,26.8,27.2,26.9
1952,27.4,27.4,27.4,27.8,27.7,27.2,27.1,26.9,27,26.7,26.5,26.5
1953,26.8,26.5,27.6,28,27.6,27.2,26.8,27.1,26.8,27.2,26.9,27.1
1954,26.7,27.2,27.7,28,27.2,27.1,26.6,26.8,26.4,26.7,27,27.3
1955,27,26.7,27.7,27.9,27.3,26.9,26.8,26.6,26.8,26.6,26.6,26.2
1956,25.9,26.2,27.4,27.3,27.1,27,26.6,26.6,26.7,26.6,26.9,26.7
1957,26.4,26.7,27,28,28.3,27.3,27,26.9,27,26.8,27.5,27.5
1958,27.5,27.4,28.1,28.8,28,27.3,27.1,27,27.1,27,26.7,26.6
1959,27.2,27.1,27.6,28.1,28,27.5,26.7,27.1,26.7,26.9,27.3,27.2
1960,27.2,27.2,27.2,28,27.7,27.2,27.2,27.4,26.9,26.9,27.2,26.9
1961,26.8,27,27.3,27.9,27,27,26.7,26.7,26.4,26.4,27.1,26.8
1962,26.7,26.9,27.4,28,27.7,27.2,26.9,26.6,26.7,27.2,27.2,26.7
1963,26.7,27,27.4,27.9,28.2,27.2,27.2,26.7,26.7,26.8,27.3,26.7
1964,26.7,27.5,27.7,28.3,27.1,26.8,26.8,26.7,26.5,26.5,26.4,26.6
1965,26.2,27,27.1,27.6,27.3,27,26.8,26.6,26.4,26.7,27,26.9
1966,27,27.4,27.3,27.9,27.4,27.4,26.7,27,26.6,26.8,26.9,26.8
1967,26.6,26.9,27.3,27.7,27.3,27.3,26.8,26.7,26.8,26.6,27.1,27
1968,26.6,26.8,28,28,27.4,27.2,26.8,27.2,26.7,27,27.5,27.3
1969,26.7,26.6,27.8,28.6,27.8,27.3,27.1,27,26.8,27.1,26.8,27.4
1970,27,27.6,27.9,28.3,27.4,27.4,26.7,26.9,26.7,26.4,26.6,26.6
1971,26.8,26.6,27.3,28,26.9,26.8,26.5,26.5,26.5,26.1,26.4,26.8
1972,26.2,26.5,26.9,27.4,26.7,26.7,26.7,26.8,26.8,26.5,26.3,27.2
1973,27,27,27.3,28.3,27.1,27.2,27,26.9,26.3,26.6,26.6,26
1974,25.6,26.3,27,27.4,26.8,26.9,26.8,26.6,26.4,26.7,26.3,26.1
1975,26,26.3,26.7,27.5,26.9,26.2,26.2,26.5,26.2,26.7,26.4,25.6
1976,25.9,25.5,26.4,27.1,26.3,26,26.3,25.9,26,26.3,26.3,25.8
1977,25.2,26.2,26.8,27.3,26.7,26.7,26.6,26,26,26.2,26.2,26.5
1978,25.6,26.1,26.2,27,26.8,26,25.9,26.6,26.3,26.4,26.5,26.9
1979,26.6,26.5,27.3,27.6,27.7,27.7,27,27.5,27,27.1,27.3,27.1
1980,26.5,26.7,27.1,28.1,27.5,27.1,26.7,26.5,26.7,26.7,26.9,26.7
1981,26.1,26.6,27.7,27.8,27.7,27,27,26.8,26.8,26.9,26.6,26.5
1982,26.2,26.3,27,27.6,27.6,27,26.6,26.8,26.4,26.4,26.6,26.4
1983,26.7,26.7,27.4,28.3,28.2,27.5,26.8,26.8,26.5,26.6,26.7,26.4
1984,26.1,26.9,26.9,27.5,27.4,27.1,26.5,27.2,26.6,26.7,27.1,26.4
1985,26.7,26.8,27.1,27.9,27.8,26.9,26.6,26.8,26.4,26.5,26.5,26.9
1986,26.5,26.3,27.3,27.9,27.3,26.9,26.9,26.6,26.3,26.1,26.1,26.5
1987,26.3,26.2,27.3,28.2,27.5,27.5,27.6,26.7,26.9,27,26.6,26.6
1988,26.4,27.1,26.9,27.6,27.1,26.9,26.5,26.6,26,26,25.9,25.9
1989,25.5,25.3,25.9,26.6,26.5,26,26.2,25.9,25.8,25.6,26.1,26.2
1990,26.4,27.5,27.7,28,27.7,27.7,27.2,27.3,26.9,27.2,26.9,27.4
1991,26.9,27,27.4,27.9,27.9,27.8,27.4,26.8,26.7,26.5,26.7,26.9
1992,26.1,26,26.8,27.8,27.7,27,26.9,27,26.7,26.5,26.4,26.7
1993,26.2,26.6,27.4,28,28,27.9,27,27.3,26.5,26.9,27.4,27.3
1994,27.1,27.3,27.5,27.4,27.3,27.1,26.5,26.7,26.5,26.9,27.1,26.9
1995,26.8,27,27.7,28.4,28,27.6,27.1,27,27,27.2,26.9,26.5
1996,26.4,27,27.8,27.9,27.5,27.4,27.2,27,26.7,26.5,26.9,26.7
1997,26.3,26.3,27.5,27.7,28,27.8,26.9,27.2,27,27.3,27.2,27.4
1998,27.2,27.3,27.7,28.3,28.3,27.4,27.4,27.3,27,26.6,26.8,27
1999,26.5,27.2,27.3,27,27,26.9,26.7,26.7,26.7,26.3,26.7,26.3
2000,26.7,26.6,27,26.9,27.4,27.2,27.4,26.9,27.1,26.9,27.5,27.3
2001,26.7,26.8,27.5,28,27.2,27.6,27.5,27.2,27.1,27,27.1,27.2
2002,27.2,27.4,28,28.2,27.8,27.7,27.4,27.2,26.9,27.4,27.3,27.1
2003,27,27.6,28,28.1,28.3,28,27,27.4,27.3,27.1,28,27.5
2004,27.7,27.2,27.9,28.7,27.7,27.5,27.2,27.4,27.3,27.4,27.9,27.6
2005,27.3,27.5,28.4,28.8,28.1,27.6,27.4,27.5,26.9,27.2,27.3,27
2006,27,28,27.9,27.9,27.3,27.1,27.7,27.5,26.7,27.2,27.7,27.3
2007,27,27.4,27.3,28.3,27.7,27.7,27.5,27.4,26.9,26.8,27.2,27.1
2008,27.3,27.4,27.7,27.6,27.1,27.4,27,27.1,27.1,27.5,27.7,27.5
2009,27,27.1,28.1,28.3,28,27.5,27.7,27.7,27.6,27.7,28,28
