1901,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1902,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1903,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1904,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1905,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1906,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1907,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1908,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1909,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1910,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1911,27.2,27.1,27.9,27.5,25.8,25.2,23.7,24.4,24.6,25.5,26.7,26.5
1912,26.8,27.4,27.8,27.3,25.8,24.7,23.6,24,24.3,25.6,27,26.4
1913,26.7,27,27.6,27.3,26.1,24.7,24.5,24.7,25.1,26,27,27.2
1914,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.4
1915,27.2,27.6,28,27.9,26.2,25,24.3,24.5,25,25.9,27.1,26.9
1916,26.9,27.8,27.7,27.4,26.3,25.1,24.3,24.7,25.1,26,27.2,27.1
1917,27.3,27.9,28.1,27.4,26.3,25.1,24.3,24.5,25,26,27.2,27.4
1918,27,27.9,28.1,27.5,26.4,25.1,24.5,24.7,25.1,26,27,27.2
1919,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1920,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1921,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.4,26.3,27.7,27.9
1922,27.8,28.2,28.6,27.9,26.7,25.7,24.3,24.6,25.3,26.4,27.8,27.9
1923,27.2,27.6,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1924,27.5,28.3,28.5,28.1,26.8,25.6,25.4,25.3,25.8,26.7,27.7,27.7
1925,27.4,27.5,28.1,27.7,26.7,26,25.5,25.6,25.5,25.8,27,27
1926,27.2,27.6,27.8,27,26.7,25.7,25.3,25.5,25.5,26,27.2,26.7
1927,27.2,27.6,28.1,26.8,25.6,24.7,24.7,25.5,25.7,26.6,28,27.6
1928,27.1,27.6,28.6,28.4,26.9,25.1,24.9,24.9,25.6,26.7,28,27.4
1929,27.2,28.3,28.7,27.7,26.6,24.9,24.1,24.2,24.8,26,27,27.4
1930,27.4,27.6,28,27.6,25.7,24.6,23.9,24.1,24.7,25.7,26.9,27.2
1931,27.3,27.7,28.1,27.6,26.9,25.6,24.8,25,25.5,26.4,27,27.4
1932,27.2,28.3,28.1,27.7,26.3,25.2,24.5,24.7,25.1,26,27,27.2
1933,27.1,27.8,28.2,28.1,26.5,25.4,24.6,24.8,25.2,26.2,27.1,27.1
1934,26.5,26.4,27.3,27.9,27.1,25.5,24.7,25,25,26.1,27.5,27.5
1935,27.8,27.9,28.4,27.3,26.2,24.6,23.8,23.8,25.2,26.7,27.4,27.1
1936,27,27.7,28,27.7,27,24.9,23.8,24,24.6,26.7,28,27.2
1937,27.4,28,28.3,28.6,27.3,25.6,24.4,24.7,25.8,26.6,28,27.2
1938,27.2,27.5,28.2,27.7,26.3,25.5,24.6,24.9,25.3,26.3,27.3,27
1939,26.8,27.7,28.1,28,27.3,25,24.9,25.3,25.7,26.4,27.5,27.3
1940,27.7,28.2,28.1,26.8,27,25.8,24.6,25,25.5,26.1,27.8,27.7
1941,27,27.9,28.5,28.4,27.3,25.2,24.5,25.1,26,26.5,27.5,27.6
1942,27.7,28.6,28.9,28.6,27.1,25.6,24.3,24.9,25.1,26.1,27.4,27.7
1943,27.4,27.7,28.6,28.8,27.4,25.3,24.5,25,25,26,27.5,27.6
1944,26.1,27.8,28.7,28.6,27.2,25.8,24.7,24.9,25.8,26.4,28.4,28.2
1945,27.8,27.9,28.8,29.2,27.7,25,24.6,24.9,25.1,26.7,27.7,27.9
1946,27.2,27.6,28.5,28.7,27.6,26,24.7,24.9,25,26.2,28,28.5
1947,28.4,28.1,28.8,28.2,26.2,25.4,25,24.6,25.4,25.8,27.2,27.2
1948,27.1,27.3,28.4,28.2,27.6,25.5,24.4,24.9,25.3,26,26.7,26.8
1949,26.9,26.8,27.8,28.2,27.2,25.3,24.8,25.4,25.6,26.6,27.6,27.4
1950,26.6,26.9,28.2,28,26,24.6,24.3,24.5,24.9,25.6,26.6,27
1951,26.8,27,28.1,27.2,26.3,25.3,24.4,24.9,25.7,26.4,27.3,27
1952,27.3,27.9,29.3,28.4,27.4,25.8,24.8,25,25.7,26.2,27.6,27.2
1953,27.5,27.9,28.6,28.4,27.1,25.5,24.5,24.8,25,26.1,27.3,27.4
1954,27.2,27.8,28.5,28.1,27.2,25.4,24.6,24.9,25.2,25.8,27.2,26.8
1955,27.3,26.9,28.3,27.9,26.2,24.9,24.5,24.5,25.4,25.9,27.1,27.5
1956,26.5,26.9,27.9,27.7,26.4,24.8,23.6,24.4,24.4,25.5,26.8,26.4
1957,26.5,26.5,28,28,26.5,25.9,24.4,25.3,25.3,26.7,27.1,26.4
1958,27.3,27.7,28.6,28.7,26.8,25.2,24.4,25.1,25.8,26.3,27.7,26.7
1959,27.4,27.5,28.2,27.9,26.6,25.2,24.4,24.2,25.2,26.3,27.8,27.8
1960,26.9,27.5,27.9,27.1,26.4,24.7,24.2,24.4,25.1,25.8,26.5,26.9
1961,27.8,28.3,28.2,28.1,27.4,25.7,24.9,25,25.2,25.8,26.5,27.6
1962,26.5,27.3,27.9,27.5,25.7,25.3,24.4,25,25,25.9,27.6,27.2
1963,27,27.5,28.2,27.1,25.6,24.6,24.4,24.4,24.7,26,26.8,26.5
1964,26.7,27.7,28.4,27.6,25.7,24.9,23.4,24.1,24.1,25.1,26.6,26.3
1965,26.1,27.1,28,27.3,26.2,24.3,23.9,24.5,25.2,25.7,26.7,27.4
1966,27.2,28.3,28.2,27.5,26.4,25.3,24.9,24.7,25.6,25.8,26.8,27.9
1967,27.4,27.3,28.6,27.7,26.5,25.5,24.8,24.8,24.8,25.8,26.6,25
1968,26.2,26.8,27.5,26.9,25.9,24.2,23.9,24.4,25.1,26,26.5,26.4
1969,26.9,27.3,28.2,28.6,26.6,25.5,25.2,24.8,25.4,26.7,27.7,27.5
1970,27.9,28.3,28.8,27.4,26.8,25.7,25.3,25.3,25.2,26.1,27.6,27.9
1971,27.5,27.2,27.5,27.8,25.8,24.7,24.2,23.9,24.6,24.9,27,27.4
1972,27.1,27.7,27.9,28.1,26.8,25.5,24.6,25.1,25.6,26.6,27,28.2
1973,27.7,27.9,29.1,28.6,26.9,25.5,24.5,24.7,25,26.5,27.1,27.2
1974,27,27.5,27.7,27.5,26.7,25.8,25,25,25.2,26,27.2,27.4
1975,27.1,27.8,28.4,27.5,26.6,25.2,24.4,24.2,24.6,25.5,26.7,27.9
1976,27.2,27.7,27.7,27.5,26.4,25.3,24.3,24.5,25,26.1,27.6,28
1977,27.6,27.8,27.5,27.7,26.4,24.8,24.8,24.6,25.3,26.1,26.7,26.8
1978,26.8,27.2,27.7,26.9,25.6,25.4,24.1,24.9,25.6,26.3,26.7,26.3
1979,27.2,27.3,28.1,27.2,25.5,24.2,23.8,24.5,25.1,26.3,27.3,27.6
1980,27.2,28.1,28.4,28.8,27.5,25.4,24.7,24.4,25.3,26.3,27.8,28.6
1981,28.4,28,28,27,25.3,25.1,24.3,24.9,25,26.2,27.3,27.6
1982,27.6,27.7,28,26.8,25.6,24.5,23.7,23.6,23.8,25,27,27.3
1983,27.8,28.3,28.4,29,26.6,26.2,25.3,25.1,25.3,26.4,27.1,28
1984,27.7,27.2,28.1,28.4,26.4,24.5,24.2,24.3,24.9,25.5,26,26.2
1985,27.1,27.3,27.2,27.5,26.1,25.1,24.2,24.7,24.9,25.6,27.3,27.5
1986,27.3,27.3,28.1,27.3,25.7,25.3,24.4,24.5,25.3,26.7,27.5,26.6
1987,27.6,27.6,28.6,28.4,26.7,25.3,24.5,25.2,25.8,26.6,27.9,28
1988,28.6,28.5,28.8,27.9,26.9,25.5,25,25.3,25.1,26.4,26.4,27
1989,26.6,27.2,27.9,26.8,25.7,24.9,24.5,24.3,25.3,25.7,26,26.5
1990,26.8,27.9,27.7,27,26.5,25,24.3,24.6,25,26.1,27.2,26.4
1991,27.5,28,28.1,28.1,26.5,25.5,24.6,24.2,24.9,27.1,27.2,27.7
1992,26.4,28.6,28.5,28.2,26.7,25.8,24.4,24.2,25.1,25.8,26.9,27.2
1993,26.7,27.3,28.1,28.2,27.2,25.3,24.2,24.4,24.7,24.8,27.2,27.3
1994,28.1,27.8,28.6,28.1,26.4,25.4,24.5,25,25.4,26.7,26.4,26.8
1995,27.4,27.9,28.2,28,26.4,25.5,25.1,24.9,25.2,26.4,27.2,27.2
1996,27.6,28.2,28.3,28,26.2,25.6,24.6,24.3,24.7,25.8,27,27.2
1997,27.6,27.8,28.4,27,26.2,25.3,24.8,25.3,25.7,25.8,26.3,26.5
1998,27.7,27.6,28.7,28.2,26.8,25.9,24.6,24.6,25.4,26.8,26.6,28
1999,27.9,27.7,28.6,27.4,26.3,25,24.4,24.4,25.3,25.3,27.1,27.3
2000,27.3,27.4,28.2,27.7,26.1,24.9,25.4,24.3,24.8,25.7,28.3,27.3
2001,27.6,27.8,29.2,27.5,26.6,25.1,24.6,24.1,25.4,26.6,27.3,27.6
2002,27.9,27.9,28.6,28.3,26.9,26,24.8,25.3,25.3,26.4,27.3,27.8
2003,27.9,28.1,28.9,29,27.5,26,24.8,25.3,25.3,27.1,27.3,27.3
2004,27.9,28,28.8,28,27,25.4,25,25.4,25.4,25.3,27.1,27.2
2005,27.3,28.2,28.7,28.1,26.6,25.8,24.6,24.8,25.5,26.1,27.4,28.1
2006,28,28.2,29,27.5,26.3,25.4,24.1,25,25.2,26.6,27.6,27.8
2007,27.8,27.8,28.1,27.8,26.7,25.4,24.9,25.2,25.6,26.2,27.3,27.7
2008,27.7,28.1,28,27.2,26,24.9,24.4,25.6,25.8,27,27.1,27.3
2009,28,27.9,28.7,28.5,27,26.1,25,25.8,25.9,26.3,27.8,28.8
