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