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