1901,28.4,28.6,27.7,27.3,25.7,25.7,25.3,25.3,25.2,26.2,26.3,27.8
1902,28,28.6,27.6,27,25.8,25.4,24.2,25.1,24.8,26.3,26.5,27.1
1903,28.4,28.6,28.3,27,25.8,25.5,24.6,24.8,25.4,26.2,27.4,28
1904,28.1,28.6,27.9,27,25.4,25.6,24.5,24.7,25.3,26.1,26.6,27.8
1905,28.4,28.5,28.2,26.9,26.2,25.5,24,24.6,26.6,26.4,27.3,27.1
1906,28.2,28.4,28.1,27.6,26.2,25.7,24.2,24.3,25.1,25.4,26.9,27.9
1907,28.4,28.5,27.8,27.1,26.2,25.7,24.7,24.6,24.8,25.8,26.4,27.5
1908,28.5,28,28.4,27.6,25.6,25.8,24.2,24.3,25.6,26.1,26.3,27.9
1909,28.5,28.6,28.4,27.6,25.8,25.8,24.8,24.7,25.4,26.5,26.7,27.9
1910,28.7,28.6,29,27,26,25.8,24.8,24.7,24.9,26,26.9,27.3
1911,28.4,28.1,27.9,27.5,25.8,25.7,24.7,24.3,25,25.6,27.1,27.8
1912,28.4,28.6,27.5,27.6,26.2,25.7,24.4,25.1,25.1,25.7,27.1,27.8
1913,28.4,28.6,28.3,26.8,26.2,25.1,24.7,24.7,24.8,25.4,26.4,27
1914,28.4,28.6,28.3,27.6,26.2,25.7,24.2,25.1,25.6,26,27.1,27
1915,28.4,28.6,28.3,27.6,26.2,25.7,24.1,24.5,25.1,26.4,26.7,27.6
1916,27.8,28.6,27.6,27.1,26.2,25.4,24.2,24.5,24.8,26.9,27,27.4
1917,27.8,28.2,28.2,27.3,25.7,25.2,24.1,25,25.2,26.1,26.5,27.6
1918,28.4,28.1,28.3,27.1,26.2,25.7,24.2,24.9,25.6,26.4,27,27.8
1919,28.4,28.6,28.3,27,25.7,25.7,24.7,25.1,24.9,25.9,26.4,27.8
1920,28.4,28.6,27.6,27.6,26.2,25.7,24.6,24.5,24.7,25.9,26.6,27.2
1921,28.1,28.6,28.4,27.6,26.2,26.1,24.7,25.1,25.6,27.3,27.1,27.7
1922,28.5,28.7,28.4,28,26.2,25.7,24.5,24.6,26.3,26.4,27.1,27.9
1923,28,28.6,28.3,27.6,26.2,25.3,24,24.3,25.2,26.5,26.5,27
1924,28.1,28.6,27.7,27.4,26.2,25.7,23.9,25.1,24.7,26.2,26.7,28.5
1925,28.8,28.9,28.3,27.1,25.4,25.7,24.4,24.6,25.7,25.9,26.5,27.1
1926,28,28.6,28.3,27.6,25.8,25.7,24.4,25.1,25,26.6,26.7,27.7
1927,28,28.2,28.8,27.8,26.1,25.3,24.4,24.5,25.2,25.9,26.7,27.6
1928,27.9,28.6,27.6,27.6,25.9,25.4,24.6,24.4,25.5,26.5,26.6,27.6
1929,28.4,28.6,27.9,27.3,25.6,25.7,24.5,24.3,25.4,26.2,26.9,27
1930,28,28.6,27.7,27.7,25.4,25.3,23.9,24.8,25,26.3,26.5,27.2
1931,27.9,28.6,28.3,27,25.6,25.2,24.2,24.5,25,26.3,26.9,27.5
1932,27.9,28.6,28.3,27,25.7,25.4,23.5,23.9,24.6,26.3,27.1,27.5
1933,28.4,28.8,27.5,26.7,25.4,25,24.3,25,25.1,25.9,27.1,27.2
1934,27.7,27.9,27,26.8,25.7,25.4,23.6,24.7,25.3,26.5,27.4,28
1935,28.3,28.2,27.8,27.3,24.3,24.7,23.6,24.4,25.1,25.6,26.3,27.6
1936,28.3,28.8,28.4,28.2,25.7,24.4,24,24.9,24.4,26.7,27.4,27.4
1937,28.4,28,27.9,27.1,25.4,24.8,23.6,24,24.5,25.5,26.4,26.9
1938,27.6,28.8,27.5,27.2,25.8,24.9,25,25.1,25.3,26.2,26.8,26.6
1939,27.2,28.6,26.8,26.5,25.2,25.1,23.6,24.7,25.2,26,26.8,27.1
1940,28.4,28.5,27.5,27,26.2,25.4,23.8,25.2,25.7,25.8,26.9,27.5
1941,28.6,28.6,28.5,27.6,25.8,25.1,24.1,24,25.4,25.3,27.1,28
1942,28,28.2,27.8,27.4,26.6,25.3,25.3,25.9,25.7,26.4,26.4,27.4
1943,28.4,28.7,28.3,27.7,25.6,25.1,24.4,25.4,26.6,26.4,27.5,28.4
1944,28.2,28.6,28.5,27.5,26.4,25.7,24.4,25.5,26,26.4,26.8,27.1
1945,28.5,28.8,28.8,27.8,25.1,24.3,24.6,24.8,25.5,26.4,26.9,26.9
1946,27.8,28.6,27.5,27.6,26.7,26.1,23.9,25.3,25.6,26.9,26.4,27.6
1947,28.6,28.1,28.4,28.3,26,25.5,24.8,25.1,25.5,26.8,26.7,28.1
1948,27.9,28,27.6,27.3,26,25.2,24.4,24.8,26.2,25.6,26.8,27.6
1949,28.3,28.6,27.8,27.6,25.8,25.8,24.6,24.7,25.2,25.7,27.6,27.5
1950,27.8,28.2,26.9,26.9,25.7,25.5,24,25.1,24.9,26.2,27.1,27.9
1951,28.5,28.4,28.1,27.4,25.3,25.2,23.8,25.1,24.1,25.3,26.3,27.9
1952,28.6,28.3,27.9,26.6,26.1,25.9,24.9,25,24.9,25.6,27.9,27.9
1953,28.2,28.2,28,27.9,26.5,25.2,24.7,24.3,25.2,26.2,27,27.3
1954,27.7,28.2,27.9,27,26.6,25.8,24.7,24.7,25.7,26.1,26.6,27.9
1955,27.3,28.1,27.3,27.4,26.3,25.4,24.6,25.7,25.8,26.6,27.4,28.5
1956,27.8,27.8,27.3,27.4,27.2,25,24.7,25.3,26.3,27.1,27.5,28.1
1957,28.5,28.1,28.3,27.6,26.2,25.1,23.6,25.7,26.3,26.7,26.6,27.9
1958,28.6,29.3,29.4,27.5,26.7,25.5,24,25.4,26.2,26.9,26.6,27
1959,29,28.1,28.3,28.3,26.3,25.4,25.6,25.9,26,27,27,27.6
1960,28.4,28.5,28.3,28,26.8,25.8,24.1,25.2,26.4,26.3,27.8,27.2
1961,29.4,28.5,29.2,28.3,27.2,26.6,25.6,25.4,26.5,26.4,26.9,27.6
1962,28.5,28.8,28.7,28.5,27.2,26.2,25,25.9,26.4,27.8,26.9,27.7
1963,27.8,29.2,28.6,28.3,26.3,27,25.7,25.1,25.9,26,27.2,28.3
1964,29.2,29.1,28.6,28.5,26.8,26.7,25.4,26.6,26.9,27,27.6,27.7
1965,28.6,28.6,28.5,27.8,26,25.2,24.3,24.3,24.8,25.3,27,28.6
1966,28.8,29,28.8,27.6,26.2,25.9,25.2,24.7,25.8,26.2,27.1,27
1967,28,28.4,28.3,26.9,26.1,25.4,24.9,26.2,26.2,26,27.2,28.2
1968,28.4,29.2,28.3,27.5,26.2,26.3,25.2,25.3,25.5,26,27.1,27.7
1969,29.1,28.9,29.2,28.4,26.8,26.7,24.1,25.3,26.1,26.8,27.1,28.2
1970,28.6,28.3,28.7,28,26.4,25.8,25.5,25.3,25.6,26,26.8,25.9
1971,27.6,27.6,27.5,27.2,26.1,25.8,24.5,25.7,26,26.5,27.2,27.2
1972,27.5,27.6,27.9,27.4,26.5,25,23.9,24.8,25.5,26.3,26.1,27.3
1973,28.7,28.6,27.9,26.9,26,25.3,24.2,24.7,25.4,25.6,26.8,26.8
1974,27.1,27.8,27.2,26.5,25.5,25.3,24.9,24,26.1,26.2,26.9,27.3
1975,28.1,28,27.9,26.7,25.9,25,24.4,25.5,25.7,26.7,26.3,27.3
1976,27.5,27.6,27.4,27.2,25.8,25,24.1,24.9,24.5,25.9,27.1,27.7
1977,28.4,28.3,27.6,27,25.2,25.4,24.4,24.3,24,25.5,26.5,28.1
1978,28,28,28.1,27.2,25.5,25.2,24.2,24.3,25.3,25.4,26.4,27.6
1979,27.7,28.6,28.1,27.3,26.4,25.4,23.7,24.2,25.1,26.4,26.7,27.7
1980,28,29,28.4,27.1,25.7,24.8,24,24.2,25.1,26.1,26.4,27.8
1981,28.5,29.2,29.2,28,26.3,25.5,24.5,24.5,25,26,27.8,28.5
1982,28.4,28.6,28.5,28.2,26.4,25.3,24.7,24.1,24.6,26,27.7,27.8
1983,28.7,28.8,28.9,28.6,26.8,26.5,24.6,24.5,25.9,27,27.6,27.8
1984,28.3,28.7,28.6,28.1,26,25.6,25.2,25.8,26,26.6,27.5,29.1
1985,29,29.2,27.8,28.2,26,24.8,24.6,25.3,25.9,26.2,27.5,27.9
1986,28.7,28.7,28.2,27,25.6,24.9,23.2,24.4,25,26.8,27.3,28
1987,29.6,29.1,28.4,28,26.7,25.6,24.8,25.7,25.8,27.3,28.3,28.9
1988,29.1,29.4,29.3,28,27.1,27,25.5,26.5,27.5,27.3,27.7,27.7
1989,28.5,27.9,28.3,27.4,25.8,25.7,25.2,25.9,26,27.2,27.3,27.8
1990,28.9,29,28.7,27.8,27.4,25.8,25.1,25.7,25.4,26.7,28.1,28.2
1991,28.3,29.1,28.8,28.2,25.8,25,25.1,25.5,25,26.4,27,28.3
1992,28.3,29.1,28.9,27.3,25.8,25.6,25.1,25.6,25.9,26.2,27,27.5
1993,28,27.9,27.9,27,25.8,25.2,23.7,23.8,23.9,25.4,27.8,27.2
1994,28.3,28.6,28.8,27.8,25.8,24.2,24.3,25.4,24.3,25.4,27.2,28.2
1995,28,28,28.3,27.8,26.1,25.2,25.2,25.2,25.7,26.7,27.2,27
1996,28.2,29.5,28.3,27.9,25.4,25.5,25,24.6,26,26.4,26.9,28.1
1997,27.7,29,28.3,28,26.4,25.2,24.7,25.1,25.2,27.8,27.9,28.3
1998,29.1,30.4,29.5,28.5,26.5,26.5,25.1,25.2,25.8,27,27.8,28.4
1999,27.7,28.1,29.2,27.4,27.1,25.5,25.5,25.3,25.8,26.6,27.2,27.2
2000,28.2,29.7,28.2,27.8,26.8,26,25.7,25,25.8,26.3,26.3,27.4
2001,28.1,29.1,27.9,27.7,27,25.6,24.7,25.3,26,26.6,27.7,29
2002,28.3,28.1,28.8,27.5,26.6,26.4,25.4,23.2,25.8,25.7,27.1,28
2003,29.2,28.7,29.1,28.2,27.1,25.8,24.4,24.1,25.8,26.8,27.7,28.1
2004,28.5,28.7,27.9,27.4,26.8,26.4,24.9,24.9,25.1,27,27.1,28.8
2005,29,29.2,29,27.3,26.6,25.4,24.1,24.8,26.5,27.3,27.6,28.4
2006,28.6,28.8,28.8,28.7,26.7,25.6,24.6,25.1,26,26.4,27.5,28.1
2007,29.5,28.8,28.8,27.6,26.4,26.4,25.3,26,26.3,27.5,27.3,27.8
2008,28,28.2,28,27.7,25.6,26.1,25.1,25.6,26,26.9,26.9,28.4
2009,28.3,28.4,27.9,27.5,26.1,25,24.7,25.4,25.6,25.6,26.8,27.5
