1901,26.4,28.2,27.6,27.9,27.5,26.5,25.5,25,25.7,26.8,27.5,27.2
1902,27.2,27.9,28,28.6,27.7,26.2,25.5,25.1,25.7,26.5,27.5,27.5
1903,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1904,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1905,26.7,26.9,27.5,28,27.7,26.1,25.5,24.7,25.7,26.7,28,28
1906,26.8,28.4,28.5,29.6,27.8,26.9,25.4,24.8,26.3,27.1,27.8,28
1907,27.5,27.6,28,28.2,28.4,26.5,25.7,25,25.9,27.5,27.6,27
1908,27.3,27.9,28.1,28.6,28.3,27,25.8,24.7,25.8,26.7,27.2,27.2
1909,27.4,28.8,29.6,28.3,27.5,25.7,25,24,25.7,26.3,27.6,27.5
1910,26.9,28.8,28.1,28.3,28,27.5,25.9,25.2,26,26.7,27.5,27.5
1911,27.2,28.3,28.5,28.3,27.6,25.9,25.5,24.8,25.6,26.7,27.7,27.1
1912,27.7,28.3,28.2,28.9,28,26.7,25.9,25.4,26.1,26.8,27.2,27.5
1913,27.7,28.5,27.3,28,28.2,27.6,26.3,26.1,26.6,26.7,27.1,27.3
1914,28.8,28.1,27.9,28.1,28.6,27.5,26.2,25.3,26.1,27.2,28.5,27.6
1915,27.1,28.1,28.5,28.1,27.7,26.3,25.5,25,25.6,26.6,27.3,27.3
1916,27.1,27.9,28.3,28,27.5,26.3,25.5,24.8,25.4,26.5,27,27.5
1917,27.5,28.4,28,28,27.4,26.3,25.5,25,25.4,26.5,26.9,27.4
1918,27.3,27.8,27.8,28.1,27.5,26.5,25.5,24.7,25.4,26.7,27.3,27.5
1919,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1920,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1921,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1922,27.5,28.4,28.4,28.3,27.7,26.5,25.5,24.7,25.3,26.6,27.3,27.3
1923,28,27.7,27.7,27,27,26.3,26,24.5,25.6,26.6,27,27.7
1924,26.5,27.7,28.2,27.4,27.5,26.4,25,25,26.5,26.4,26.8,27.3
1925,26.2,27.6,27.8,27.9,26.8,25.7,25,24.4,25.2,26.2,27,26.8
1926,27.3,29.6,28.7,28.3,27.2,25.8,24.9,25.6,26.5,27.5,27.5,27.9
1927,27.1,28.8,27.4,28.2,27.3,26.1,24.8,24.3,25.9,25.9,27.2,27.1
1928,27.5,27.7,27.5,26.7,26.3,26.4,25.5,24.2,25.4,26.2,27.2,27.1
1929,27.3,27.3,27.1,26.6,27.1,26.6,26.2,24.8,26,25.8,26.1,26.1
1930,27.8,29.2,28.6,28.1,27.3,26.3,25.9,25.1,26.2,25.7,28.8,28.9
1931,27.9,28.5,27.9,28.4,27.8,26.9,26.2,25.4,25.5,26.9,27.9,28.5
1932,27.6,28.8,28.8,29.1,27.8,26.1,25.4,25.9,26.1,27.5,28.8,28.9
1933,29.1,29.4,29.3,28.7,27,26.6,25.6,24.9,26.2,26.5,28.2,27.9
1934,27.3,28.2,28.3,28.2,27.6,25.9,25.5,25.6,26.4,27.1,28.2,27.8
1935,27.7,28.6,29.4,29,27.3,25.8,25.1,24.6,25.1,26.2,27.1,27.2
1936,26.9,27.6,29,27.5,26.7,26,25,24.5,25.2,26.4,27,26.9
1937,27.8,28.7,29.1,29.2,28.4,27,25.7,25.6,26,27.1,28.4,28.5
1938,28.1,29.6,28.9,29.1,28.6,27.5,25.9,25.2,26.2,27.8,28.5,28.7
1939,28.3,28.4,28.8,29,28.2,26.8,26,25.2,25.9,27.5,28.5,28.4
1940,27.5,28.4,28.4,28.3,27.7,26.5,25.5,25,25.7,26.8,27.5,27.5
1941,28.2,29.3,29.6,28.7,28.3,27.4,26.1,25.8,27,27.9,27.9,28.2
1942,27.7,29.5,29.4,28.7,27.7,26.8,25.6,25,26.9,27.1,27.7,27.4
1943,27.6,28.7,28.2,28.2,26.9,26,25.3,24.9,26,27.1,27.3,28
1944,27.2,28.3,28.5,28.1,28.7,26.8,25.9,25.6,26.6,27.7,27.6,28
1945,28,28.5,28.6,28.3,28.1,26.7,25.8,25.4,26.8,26.8,27.5,27.4
1946,28,29,29,28.7,27.5,25.9,25.5,24.7,25.9,26.2,27.4,27.2
1947,27.3,29.2,28.4,28.2,28.2,27,25.7,25.8,26.2,26.7,26.7,27.3
1948,27,28.2,28.7,27.8,27.1,25.9,25.5,25.3,26.2,27.1,27.2,27.7
1949,27.9,28.7,29,28.4,28,26.9,26.2,25.3,26.6,27.3,27.5,27.7
1950,28,28.3,28.5,28.1,27.7,26.6,25.5,24.8,25.9,26.4,27.1,27.2
1951,27.2,28.4,28.2,28.7,27.7,26.7,25.3,25,26,26.1,26.7,27.4
1952,27.2,27.6,27.8,28.6,27.7,26.2,25.1,24.8,25,26,26.5,27.2
1953,27.2,27.5,27.5,28.5,27.3,26.3,25.2,24.9,25.5,26,27,27.2
1954,26.7,27.6,27.6,27.7,27.3,26,24.3,24.6,25.1,25.8,26.8,27.3
1955,26.9,27.9,27.3,27.6,27.4,26.1,24.8,24.4,25.2,26.1,26.9,26.7
1956,26.9,27.7,27.2,27.8,27.1,25.9,24.2,24.2,25.8,26.3,26.9,27.3
1957,26.6,28,28.3,28,27.6,26.4,25.1,24.9,25.3,25.9,26.8,27.4
1958,27.9,27.8,28.2,27.9,26.9,25.7,24.2,24.3,25.3,26.3,27.1,27.4
1959,27.8,28.2,28.5,28.3,27.1,26.4,25.4,24.7,25.7,26.8,27.3,27.5
1960,27.3,28.1,27.8,27.3,27.2,26.2,25.5,24.9,25.9,26.4,27.3,27.4
1961,27.5,28,28.4,27.5,27.8,26.1,24.9,24.1,24.9,26.5,26.8,26.9
1962,27.4,27.9,27.7,27.8,27.2,25.5,25.4,24.6,25.1,26.4,26.8,27.3
1963,27.7,28,28.2,28,27.5,26.8,25.9,25.8,26.3,26.7,27.4,27.7
1964,27.5,28.6,28.5,28.1,27,25.8,24.7,24.4,25.1,25.9,26.7,26.7
1965,27.3,27.7,28.2,27.3,27.1,26.1,25,24.7,25.6,26.8,27.6,27.5
1966,27.3,28.5,28.5,28.3,27.9,26.8,26.1,25.6,25.6,27.2,27.4,27.9
1967,27.1,28.7,28.1,28.3,27.6,26.2,24.9,25.4,25.4,26.5,27,27.5
1968,26.9,27.9,27.9,27.8,27.5,26.3,25.7,26.6,25.7,27,27.2,27.6
1969,27.4,28.6,28.1,28.8,28.2,26.6,25.2,25.2,25.5,26.3,27.1,28
1970,27.6,28.6,28.3,28.5,27.5,26.6,25.3,24.8,25.7,26.8,27,27.1
1971,26.8,27.4,27.5,28.1,27.5,26,25.1,23.9,25,26.4,27,26.5
1972,27,27.7,27.7,27.8,27.5,26.3,25.5,24.1,25.7,26.8,27.6,27.6
1973,27.9,28.9,28.5,28.6,28.1,26.6,25.8,25.1,25.7,26.8,27.5,27.2
1974,26.9,28.1,28.2,27.9,27.3,26,25.4,25.1,25.3,26.7,27.7,26.9
1975,26.6,27.9,28.2,27.9,27.4,26.4,25.3,24.2,24.9,26.5,27.3,27.3
1976,27.1,27.6,28,27.8,27.2,25.6,24.6,24.1,25.3,26,26.8,27.5
1977,27.8,28.5,28.6,28.5,27.9,26.2,25.9,24.2,25.9,27,27.8,27.3
1978,27.8,28.5,27.9,27.7,27.3,25.9,24.9,24.5,25.7,26.6,27.4,27.8
1979,28.3,28.6,28.6,28.6,27.7,26.2,25.6,25.3,26.2,27,27.7,27.8
1980,28.1,28.6,28.5,28.8,27.2,27,25.3,25.2,26.2,26.9,27.4,26.7
1981,27.6,28.7,28.7,28.7,27.6,26.8,25.4,25.3,26,27.3,27.8,28.3
1982,27.7,28.7,28.6,28.6,27.4,26.4,25.1,24.5,26,26.8,27.4,27.8
1983,26.8,28.7,29.4,29.1,28.1,26.2,25.5,25,26.1,27.5,28,27.8
1984,28.2,28.8,29,28.4,28.1,27.3,25.7,25.8,25.9,27,28.1,27.3
1985,27.7,28.5,28.4,28.2,27.6,26.6,25.4,25.4,25.6,27,27.8,27.2
1986,27.7,28.6,28.1,28.8,28.5,26.8,25.1,24.5,25.8,26.7,27.4,27.4
1987,28.5,28.6,28.9,29.7,28.8,27.3,26.8,26.3,26.6,27.4,28.9,28.1
1988,28.2,29.4,29.4,29.2,28.8,27,26.2,25.4,26.1,27.7,28.3,27.5
1989,26.9,29,28.6,28.8,28.2,27.2,26.3,25.5,26,27,28.5,28.3
1990,27.8,28.7,29.6,28.8,28.2,27.2,25.8,24.9,26.1,27.5,27.9,28.1
1991,28.1,28.7,29.1,27.7,27.8,27.4,26.1,25,26,26.4,27.6,27.7
1992,27,28.9,28.8,28.8,28.1,26.3,25.4,24.6,25.7,27,27.4,28.2
1993,27.3,28.2,28,28.6,28.4,26.7,25.6,24.9,26.1,27.7,28.2,28.5
1994,27.6,29,28.7,28.5,27.8,26.7,25.6,24.9,25.9,26.9,28.1,28
1995,27.9,29.3,28.6,29,28.5,27.4,26.2,25.6,26.2,27.3,28.5,28.2
1996,28.2,29,29,28.9,28.4,27.1,26,25.3,25.6,27.1,28.2,28.1
1997,28.2,28.8,28.4,28.3,27.7,26.5,25.6,24.8,26.5,27.6,28.2,28.5
1998,27.8,30,30,29.8,28.8,27.6,26.2,25,26.1,27.4,28.5,28.6
1999,27.8,28.5,28.8,28.7,28.4,27.4,26.2,25.5,25.8,26.7,28.1,28.4
2000,28.1,28.3,29.2,28.2,28.8,27,25.7,25.5,26.4,27.4,28.3,28.7
2001,28.1,28.8,29,28.8,27.8,26.9,25.7,25,26,27.4,28.5,28.2
2002,28.1,28.5,28.8,28.6,28.8,27.1,26,25.2,25.7,27,28,28
2003,27.9,29.1,29.1,28.5,28.7,26.8,25.4,25.6,26.6,27.8,28.4,28.7
2004,28.7,28.7,29.7,28.7,28,26.9,25.9,25.1,26.1,27.5,28.4,29.1
2005,27.7,29.6,28.5,29.1,28.1,27.1,25.5,25,26.6,27.7,28.7,29
2006,26.9,29.1,28.9,29.5,27.8,27.7,26.2,25.5,26.4,27.9,27.7,28.1
2007,26.7,29.3,29.1,28.4,28.5,26.7,26.3,25.7,26.6,27.2,28,28.4
2008,26.7,28.2,28.5,28.7,28.1,26.9,26.1,25.6,26.4,27.3,28,28.3
2009,28.4,29.1,28.7,28.6,28.8,27.5,25.9,25.4,26.3,27.1,28.6,28.4
