1901,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1902,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1903,28.7,28.5,29,28.2,28.8,27.7,27.5,27.7,27.3,27.9,27.7,28
1904,28.3,28.2,28.9,27.8,28.5,27.5,27.4,27.4,27,27.9,27.6,28
1905,28.6,28.4,29.1,28.2,28.9,27.5,27.2,27.5,27.2,28,27.6,28.3
1906,28.6,28.8,29.1,28.4,28.9,27.4,27.5,27.5,27.2,27.9,27.7,28.3
1907,28.4,28.3,28.8,28,28.7,27.5,27.3,27.5,27.1,28.1,27.8,28.2
1908,28.6,28.6,29,28.2,28.6,27.4,27.3,27.6,27.3,28,27.6,28.2
1909,28.6,28.6,29,28.2,28.7,27.6,27.4,27.7,27.2,28.1,27.6,28.1
1910,28.6,28.6,28.9,28,28.6,27.6,27.5,27.5,27.2,28.1,27.7,28.4
1911,28.9,28.6,29.1,28,28.5,27.4,27.4,27.6,27.2,28.1,27.7,28.3
1912,28.5,28.8,29.2,28.3,28.9,27.8,27.5,27.5,27.3,28,27.7,28.3
1913,28.8,28.7,29.2,28,28.6,27.7,27.4,27.4,27.3,28,27.8,28.4
1914,28.5,28.5,29.1,28.3,28.8,27.6,27.5,27.6,27.3,28.2,28,28.5
1915,28.8,28.9,29.4,28.5,28.8,27.8,27.7,27.9,27.4,28,28,28.3
1916,28.6,28.7,29,28.1,28.3,27.4,27.5,27.8,27.3,28.1,27.7,28.4
1917,28.6,28.6,29.1,28.2,28.5,27.4,27.4,27.7,27.3,28,27.7,28.4
1918,28.1,28.3,28.8,27.9,28.7,27.4,27.5,27.5,27.5,28.1,27.8,28.1
1919,28.7,28.9,29.2,28.4,28.9,27.6,27.5,27.7,27.3,28.1,27.7,28.2
1920,28.6,28.7,29,28.2,28.8,27.7,27.5,27.7,27.3,28.1,27.7,28.1
1921,28.5,28.6,29,28.1,28.7,27.5,27.5,27.6,27.3,28.1,27.7,28.1
1922,28.6,28.7,29.1,28.3,28.7,27.6,27.4,27.6,27.3,28.2,27.8,28.3
1923,28.5,28.7,28.9,28.2,28.7,27.6,27.5,27.6,27.4,28.1,27.8,28.4
1924,28.6,28.7,29,28.4,29,27.6,27.5,27.8,27.4,28.1,27.7,28.1
1925,28.7,28.5,28.9,28.1,28.6,27.5,27.5,27.8,27.4,28.1,27.8,28.1
1926,28.3,28.7,29,28.4,29,27.7,27.4,27.7,27.4,28.1,27.7,28.1
1927,28.5,28.8,29.2,28.4,28.7,27.6,27.5,27.6,27.7,28.1,27.9,28.4
1928,28.9,28.7,29.2,28.2,28.8,27.6,27.4,27.9,27.5,28.1,28,28.4
1929,28.5,28.7,28.9,28.1,28.7,27.6,27.4,27.5,27.4,28.2,27.8,28.2
1930,28.7,28.7,29.1,28.3,28.7,27.6,27.6,27.8,27.6,28.4,28,28.3
1931,28.8,28.9,29.3,28.5,29.1,27.9,27.7,27.8,27.5,28.1,27.9,28.3
1932,28.5,28.5,29.1,28.3,28.7,27.7,27.5,27.9,27.4,28.3,27.8,28.3
1933,28.7,28.8,29.2,28.3,28.9,27.6,27.6,27.7,27.4,28,27.8,28.4
1934,28.6,28.4,29,28.1,28.7,27.6,27.6,27.7,27.3,28.1,27.8,28.2
1935,28.5,28.8,29.1,28.2,28.8,27.7,27.7,27.8,27.3,28.2,27.8,28.2
1936,28.6,29,29.2,28.2,28.8,27.7,27.5,27.6,27.4,28.2,27.9,28.5
1937,28.8,28.9,29.2,28.3,28.8,27.9,27.6,27.8,27.4,28.1,27.9,28.4
1938,28.7,28.7,29.3,28.1,28.7,27.5,27.5,28,27.5,28,27.9,28.3
1939,28.5,28.5,29,28.4,28.6,27.8,27.8,27.9,27.5,28.2,27.9,28.2
1940,28.6,28.5,29.3,28.5,29.2,27.9,27.7,27.8,27.5,28.3,28,28.4
1941,28.7,28.7,29.2,28.5,29.1,27.9,27.7,27.9,27.4,28.3,28,28.5
1942,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1943,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1944,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1945,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1946,28.7,28.8,29.2,28.4,29,27.8,27.7,27.8,27.6,28.3,28,28.5
1947,29,28.9,29.3,28.6,29,28,28,28.1,27.9,28.4,28,28.6
1948,28.6,28.6,28.9,28.3,28.9,27.7,27.6,27.6,27.4,28.2,27.7,28.4
1949,28.5,28.7,29,28.2,28.8,27.7,27.6,27.7,27.5,28.2,27.7,28.4
1950,28.7,28.7,29,28.2,28.8,27.6,27.5,27.7,27.3,28.1,27.8,28.1
1951,28.5,28.6,29.3,28.4,29.1,27.7,27.3,27.6,27,28.5,28,28.1
1952,29,29.2,29.5,28.6,28.8,27,27.4,27,27,28,27.3,28
1953,28.1,28.3,29,27.8,28.2,27.2,26.8,26.5,26.8,28.1,27.4,27.6
1954,28.6,28.3,28.7,27.9,28.3,26.9,26.7,27.2,26.7,27.5,26.9,27
1955,28,28,28.4,27.5,28.1,27.2,27.5,27.9,27.4,27.9,27.5,27.4
1956,27.9,28.2,28.9,27.2,27.8,27.4,27.5,27,26.7,27.9,27.4,27.1
1957,28.2,28.3,28.7,27.9,28.8,28.1,27.5,27,26.9,28.2,28.1,28.4
1958,28.9,29.2,29.5,28.5,29.3,28.3,28,27.7,27.1,27.8,27.3,27.7
1959,28.2,28.8,29.4,28.1,28.6,27.4,26.7,26.8,26.8,28,27.9,28.2
1960,28.6,28.1,28.6,28,28.3,26.9,27.5,27.6,27,27.9,27.8,27.8
1961,28,28.6,29.2,28.4,28.3,27.1,27.5,27.1,27.1,27.6,27.9,28.5
1962,27.9,28,28.7,27.9,28.8,28.2,28,27.2,27.1,28.6,27.8,27.8
1963,28,27.9,28.7,27.6,28.7,27.8,27.3,26.5,27.1,27.5,28,28
1964,28.9,28.8,28.7,28,28.3,26.9,27.2,27.3,27.3,27.7,26.6,27.2
1965,27.7,28.5,28,27.8,28.7,27.1,26.4,26.9,27,28,28.1,28.2
1966,28.7,28.6,28.7,28.5,28.5,27.6,26.9,27.4,27.5,27.7,27.7,28
1967,28.1,28.4,28.4,27.2,28.1,27,27.1,27.2,26.6,27.7,27.6,28.2
1968,27.9,27.5,29.4,28.2,28.3,27.9,27.8,27.3,27.3,28.1,27.5,28.2
1969,28.5,28.2,29,28.4,29.5,27.3,27.6,27.5,27.1,28,27.6,28.2
1970,29.1,28.7,29.3,28.4,28.8,27.5,27.1,27.1,27.3,27.9,27.4,27.8
1971,28.1,28.2,28.5,27.6,28.6,26.7,27,27.8,27.8,28.1,27.3,27.7
1972,28.3,28.4,27.8,27.6,27.6,26.9,27.5,27.3,26.7,28,27.9,28.4
1973,28.8,29,29.2,28.2,28.9,28.1,27.9,27.8,27.3,28.3,27.2,27.8
1974,27.6,28.3,28.7,27.8,28.6,26.9,27.4,28.1,28.2,27.9,27.7,27.7
1975,28.8,28.7,28.5,28.3,29,27.3,28.1,28.4,27.6,28.2,27.6,27.6
1976,28.2,28.2,28.9,28.3,28.6,27.4,27.2,27.3,27.2,28.5,28.1,29
1977,29,29.1,29.2,28.4,29.2,27.1,26.9,27.1,27.3,28,27.9,28.5
1978,28.8,28.8,29.9,28.3,29.5,27.9,27.9,28.6,27.4,28.2,27.7,28.7
1979,29.1,29.7,29.1,28.8,29,28.3,27.7,28.2,28,28.6,28.6,28.1
1980,28.6,28.6,29.7,28.5,29.5,28.3,27.9,27.8,27.8,28.4,28.2,28.7
1981,28.6,28.6,29.8,28.7,29.2,28.4,28.5,28.8,28.3,28.7,28.4,28.9
1982,28.9,29,29.5,28.6,29.3,27.8,27.8,27.7,27.2,28.1,28.6,29.4
1983,29.6,29.2,30.4,29.3,29.2,28.6,27.6,28.3,28,28.5,28.5,28.8
1984,28.7,28.8,29.6,28.3,29.4,27.8,27.8,28.3,27.6,28.2,28.8,28.8
1985,29.2,29.6,30,28.5,29.4,27.7,27.4,28.8,27.8,28.7,28.8,29.2
1986,28.8,29.1,29.6,29.1,29.9,28.7,28,28.3,28.2,29.1,28.2,29.1
1987,29.2,29.1,30.6,29.6,30.3,29.2,27.9,28,28.3,29.7,28.9,29.6
1988,30.5,29.9,30.8,29.5,30.3,28.5,28.4,29.6,28.9,29.3,28.6,28.6
1989,30.1,29.7,29.2,28.9,29.7,28.5,28.7,28.4,28.5,28.8,29.2,29.3
1990,29.8,30.5,30.2,29.2,29.7,28.4,29,28.6,28.3,29.5,28.3,29.6
1991,29.5,29.2,30.1,29.3,29.7,28.7,28.6,28.7,28.3,29,28.3,29.5
1992,29.3,29.7,30.5,29,30.2,28.2,28.1,29.3,29,28.8,28.4,28.9
1993,29.2,29.2,29.8,29.1,29.8,28.6,28.4,28.1,27.9,29,28.8,29
1994,29.5,29.5,29.7,28.5,29.2,27.9,28.2,27.8,27.5,29.1,29.3,28.6
1995,29.3,29.6,29.4,28.6,29.7,28.3,27.8,27.9,27.3,28.5,28.2,28.2
1996,28.8,29,29.5,28,28.9,28.2,27.8,27.9,27.5,28.3,27.9,28.3
1997,27.8,28.4,28.8,28.3,29.1,28.5,28.1,28.2,27.8,28.8,29,28.9
1998,28.9,30,29.7,29,30.1,28.4,28.5,28.6,28.1,28.8,28.1,28.1
1999,28.6,28.7,29,28.1,28.5,27.8,27.8,27.4,28,28.9,27.9,28.6
2000,29,29.1,29.5,27.9,29.1,27,28.1,27.8,28.3,28.4,28.4,28.5
2001,29.2,29.7,29.4,28.8,28.6,28.6,28.2,27.6,28.6,29,27.8,28.5
2002,29.4,29,29.4,28.4,28.8,27.6,28,27.6,27.5,29,28.7,29.3
2003,29.7,29.4,29.7,29,29.6,28.4,27.8,28.3,27.5,28.4,28.3,28.2
2004,29.1,29,29.9,29.2,29.3,27.6,27.6,28.1,27.7,28.6,28.9,29.7
2005,29.8,29.7,30,28.7,29.1,28,27.6,28,27.3,28.5,28.2,28.3
2006,29,28.9,29.2,28.7,29.1,27.9,28.1,28.1,27.8,28.1,28.2,29.1
2007,28.6,29,29.6,28.7,29.4,28.1,27.7,27.8,27.6,28.6,27.6,28.4
2008,28.6,28.5,29.3,28,28.5,27.6,28,28,27.7,28.6,28,28.7
2009,28.9,28.7,29.3,28,29.1,27.8,27.4,28.3,28,28.9,28.2,28.5
