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