1901,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1902,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1903,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1904,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1905,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1906,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1907,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1908,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1909,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1910,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1911,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1912,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1913,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1914,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1915,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1916,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1917,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1918,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1919,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1920,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1921,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1922,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1923,28.2,29.1,28.5,28.1,27.4,27.7,27,27.7,27.8,27.6,27.6,27.9
1924,28.2,28.9,28.6,27.7,27.4,27,27.3,26.7,27.3,27.2,27.2,27.5
1925,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1926,28.8,28.7,28.5,27.7,27.5,27.3,26.8,27.2,27.1,27.3,27.4,27.8
1927,28.6,29.2,28.8,28.1,27.8,27.5,27.5,27.3,27.8,27.1,27.8,27.9
1928,28.8,28.9,28.8,28,27.5,27.3,27.1,27,27.4,27.2,27.4,27.6
1929,28.7,29.1,28.9,28.2,27.8,27.6,27,27.5,27.6,27.1,27.1,28.1
1930,28.2,28.7,28.3,27.7,27.4,27.4,27,27.4,27.5,27.5,27.8,27.5
1931,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1932,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.3,27.1,27.1,27.5
1933,28.2,28.6,28.5,27.7,27.4,27.3,27,27.1,27.2,27.4,27.7,27.6
1934,28.3,28.8,28.8,27.8,27.6,27.1,26.7,27.1,27.4,27.1,27.4,27.4
1935,28.5,28.6,28.7,28,27.6,26.9,27.2,27.2,27.1,27.2,27.6,27.5
1936,28,28.5,28.5,27.9,27.6,26.9,27,27.3,27.4,27.4,27.7,27.7
1937,28.3,28.8,28.5,27.8,27.5,27.4,27.2,27.3,27.4,27.4,27.3,28
1938,28.2,29.1,28.6,27.7,27.4,27.5,27.4,27.6,27.7,27.3,27.4,27.6
1939,28.6,28.8,28.4,27.8,27.7,27.3,26.7,27.1,27.2,27.4,27.3,27.8
1940,28.2,28.9,28.4,27.7,27.7,27.6,27,27.4,27.9,27.4,27.4,28
1941,29.5,31,29.4,28.9,27.9,27.1,27.3,27.1,27.9,28.1,27.1,27.3
1942,29.4,29.9,28.9,27.5,28.1,27.6,26.6,26.6,27.8,27.4,27.7,27.9
1943,29.5,28.4,28.4,27.9,27.5,27.2,26.8,26.4,27,27.4,29,28.9
1944,29.7,29.2,28,28.1,27.5,28.5,27.1,26.6,26.4,27.4,28.4,28
1945,29.4,29.2,30.8,28.6,27.1,26.6,27.3,26.4,26.8,26.9,27.2,27
1946,29.2,29.7,29.4,27.3,27.4,26.7,26.3,25.7,26.6,26.7,26.4,27.6
1947,28.4,28.8,28.3,26.7,27.2,27.3,26.8,26.5,27.5,27.3,28.2,27.5
1948,28.2,29.1,27.8,28,27.7,27.5,27.2,27,26.9,26.6,27.3,26.9
1949,28.8,29.3,29.3,28.9,27.6,26.6,26.4,26.6,26.8,27.1,28.3,27.3
1950,28.6,28,28.8,27.5,26.6,27.1,25.9,25.8,26.1,25.5,27.9,28.2
1951,28.9,28.8,28.6,28.1,27.6,27.5,27.2,26.8,28,27.1,27.3,26.9
1952,29.5,29.1,28.9,27.8,27.3,27.3,27,26.8,27.7,27.1,27.5,28.5
1953,29,29.4,29.2,28.5,28,27.5,27.2,27.1,27.9,27.5,27.6,28.2
1954,29.7,29,29.5,27.7,27.2,26.9,26.8,26.6,27,27.1,27.1,27.3
1955,28.5,28.8,28.4,27.9,27.4,27.4,27.3,26.8,26.9,27.4,27.5,27.2
1956,28,28.1,28.4,27.2,27.3,27.1,26.8,27.1,27,26.8,26.9,27.3
1957,28.1,28.2,27.7,27.4,27.7,27.6,27.1,27.3,28,27.5,27.9,27.1
1958,29.1,28.3,29,28.7,27.7,27.3,26.5,27.2,27.2,27.2,28.5,27.6
1959,28.4,28.7,28.6,28.1,27.5,26.9,27,26.9,27.1,26.6,27.1,27.6
1960,28.3,27.8,27.8,26.8,27.2,27.4,26.7,27.1,26.7,26.8,27.5,28.2
1961,29.3,28.4,29.1,27.8,28.2,27.7,27,26.7,26.3,26.2,26,26.7
1962,27.3,29.3,28.3,28,27.3,27.3,27.2,26.8,26.9,27,27.5,27.4
1963,27.1,28.2,28.1,27,27.2,27.3,27.2,27.2,27.6,28,26.8,27.1
1964,28.5,28.6,28.8,27.5,27.6,27.3,26.4,26.5,26.4,26.3,27.8,26.9
1965,28.2,28.4,28.4,27.6,28,27.8,27.2,27.1,27.8,26.7,27.2,27.9
1966,29.2,28.4,28.1,27.1,27.8,27.6,27.3,27.6,27.3,27.3,27,28
1967,29,29.6,29.5,28.6,27.7,27.1,26.6,26.9,26.7,26.4,26.3,27.8
1968,28.4,28.1,27.7,27,27.1,26.6,26.6,26.6,27.6,26.8,27,27.4
1969,27.6,27.8,28.1,29.1,27.5,27.5,27.6,27.5,27.8,27.7,27.3,28.1
1970,28.2,29.4,28.2,27.6,27.2,27.7,26.6,26.6,27.3,27.4,27.6,27.5
1971,28.2,29.2,28.9,27.9,27.7,27.3,26.9,27.1,27,26.8,26.9,27.1
1972,27.4,27.4,28.6,28,27.5,27,27.5,27.2,28.1,27.5,26.8,27.7
1973,28.5,29.7,28.9,28.4,27.4,27.5,27.5,27.3,27.5,27.9,27.7,28
1974,28.5,29,28.5,27.7,26.8,27.4,26.3,27.3,26.6,27.7,27.4,27.4
1975,28.2,28.8,28.6,27.8,27.4,26.7,26.8,26.1,26.1,26.2,27.3,27
1976,28.7,28.2,28.5,27.4,27.1,27.2,26.7,27.1,27.2,27.8,27.1,27.8
1977,28.2,28.5,28.3,27.7,27.7,27,26.9,27.3,27.7,27.3,26.2,27.4
1978,28.1,29.3,27.6,27.6,27.5,27,27,27.2,27.3,26.9,27.3,27.2
1979,28.5,27.5,27.7,27.4,27.1,26.9,27.3,27.7,27.3,26.6,27.2,27.6
1980,28.4,28.7,28.6,28.3,26.7,26.3,26.5,26.5,27.4,27.4,26.5,27.3
1981,28.1,28.8,28,27.4,27,27.3,25.9,26.9,27,27.1,27.2,27.7
1982,28.1,28.6,29,27.5,26.7,27.2,27,27,27.5,26.2,26.5,27.5
1983,28.3,29.6,29.3,28,27.7,27.2,27.4,27.1,27,26.8,27.8,26.7
1984,27,29,28.8,27.2,27.6,27.5,27,27.3,28,27.7,26.7,28
1985,28.9,27.6,27.9,26.4,26.5,26.7,26.9,26.9,26.7,26.9,27.1,27.1
1986,28.6,28.4,28,27.4,27.3,26.7,26.7,28,27.2,27.1,27.1,27.1
1987,28.4,28.8,29.3,29.2,27.2,27.5,27.8,28.8,29.2,28.3,28.3,28.6
1988,29.3,30.5,29.9,28.2,28.4,28.5,27.5,27.2,27.2,27.4,27.3,27.9
1989,25.8,27.9,28.4,27.2,26.9,26.9,26.9,26.8,27,27.4,27.9,27
1990,27.6,28.4,28.3,28,27.9,28,27.4,27,27.1,27.2,27.3,27.4
1991,27.9,29.3,29.4,28.4,27.8,28.4,27.6,27.4,28.2,27.8,28.2,27.7
1992,29.2,29.5,29.1,27.9,26.9,27,26.6,27,26.7,27.2,27.3,27.5
1993,27.2,27.1,28.4,27.4,27,28.1,27.6,28.9,27.1,26.6,29.6,28
1994,27,28.7,27.6,27.8,27.9,27.5,26.7,27.1,27.5,27.5,27.1,27.5
1995,28.3,29,29.2,29.6,27.7,28.4,27.7,29.1,28,28.4,29.9,28.2
1996,28.9,29.9,28.6,27.9,27.5,28.3,27.8,28.1,28.2,27.8,27.3,28
1997,29.2,29.1,28.9,28.1,28.3,28,27.8,27.3,29.1,28.1,28.8,28.9
1998,29.6,29.9,29.2,27.7,27.3,28,27.7,26.3,27.5,27,28.4,28.4
1999,28.5,30.2,28.7,28.7,27.4,29,27.8,27.9,27.9,26.5,27.4,27.5
2000,29.2,29.7,29.2,29.3,29.3,27.9,27.6,29,27.9,27.5,29,27.7
2001,29.2,31.2,29.7,29.8,28.4,28.2,28.4,28.8,28.5,28.2,28.4,28.5
2002,28.7,29.3,29.9,29.7,29,29.1,29.8,29.4,29.7,27.8,28.4,29.1
2003,30.3,30.1,30.4,29.2,28.6,28,28.2,28,28.1,28.9,29.1,30.8
2004,30.6,30.7,29.9,27.5,28.1,28.4,28.7,29,28.1,28,27.5,27.9
2005,27.9,31.3,30.4,30.1,27.7,28.8,27.9,28.4,28.8,28.1,30.9,31.6
2006,29.8,31,29.4,29.5,26.3,27.9,28.6,28.9,27.6,29.6,29.1,27.8
2007,29.3,31.2,31.1,29.4,29.2,26.7,26.4,27.5,28.3,27.8,26.7,29.4
2008,30.5,31.4,29.8,29,28.6,27.8,28.3,28.8,28.1,26.6,27.6,27.4
2009,28.4,31.5,29.3,28.6,28.4,27.9,28.7,29.6,28.9,28.8,29.6,30.3
