1901,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1902,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1903,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1904,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1905,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1906,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1907,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1908,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1909,28.4,28.9,28.7,27.9,27.5,26.8,27,27.6,28.3,28.8,28.7,28.4
1910,28.6,29,28.6,27.6,27.5,27,27.2,27.6,28.5,28.8,28.8,28.5
1911,28.4,29.1,28.9,28,27.5,26.8,27,27.7,28.5,29.1,29,28.7
1912,28.4,28.9,29.3,28.3,27.6,27.2,27,27.9,28.2,29.2,29.2,28.4
1913,28.5,29.4,28.9,28.1,27.5,27,27.2,27.4,28.4,28.9,29,28.8
1914,29.2,29.3,29.1,28.1,27.7,27,27.5,27.7,28.8,29.1,29.1,28.9
1915,28.9,29.3,29.3,28.3,28.5,27.2,27.5,28.3,28.5,29.5,28.7,28.7
1916,28.6,29,28.8,28.3,27.7,26.6,27.3,27.6,28.6,28.6,28.6,28
1917,28.1,28.4,28.4,27.4,27,26.3,27,27.1,27.8,28.4,28.4,27.7
1918,27.8,28.5,28.5,27.6,27.1,26.6,26.9,27.5,28.3,29.1,28.8,28.5
1919,28.5,29.2,28.9,27.7,27.5,27.2,27.1,27.4,28.1,28.6,28.9,28.3
1920,28.4,28.9,28.8,27.9,27.4,26.7,26.9,27.4,28.3,29.2,28.7,28.1
1921,28.3,28.6,28,27.3,27,26.4,26.3,27.1,28,28.5,28.3,28.4
1922,28.2,28.5,28.2,27.5,26.9,26.4,26.6,27.2,28,28.6,28.4,27.7
1923,27.4,28.5,28.1,27.2,26.8,26.6,26.2,27.3,28.1,29,28.8,27.9
1924,29.2,29.3,29.1,28.1,27.2,26,26.8,27.1,27.4,27.9,28.4,27.7
1925,27.6,27.9,27.8,27.6,27.5,26.7,26.9,27.3,27.9,29.3,28.8,28.9
1926,28.8,29.4,29.3,28.2,27.3,26.8,26.9,27.6,28.2,28.1,28.6,27.6
1927,27.6,28,27.9,27.2,26.8,26.2,26,26.7,27.5,27.8,28.3,28.4
1928,28.1,28.4,28.1,27.5,27,26.6,26.4,26.9,27.6,28.2,28.2,27.7
1929,28.1,28.6,27.8,27.1,26.8,26.5,26.1,27.1,27.9,28.6,28.4,27.5
1930,27.7,28.4,28.7,27.5,27.2,26.6,26.4,27.2,27.7,28.3,28.7,28.2
1931,29,29.3,29,28.2,27.6,26.9,26.6,27.6,28.1,28.7,28.3,27.8
1932,27.9,28.7,28.1,27.5,27.1,26.5,26.9,27.4,28,28.5,29.1,28.1
1933,28.1,28.1,28,27.5,27.2,26.1,26.5,27.4,28.2,27.7,27.6,27.3
1934,27.6,27.3,27.6,27.2,27.2,26.8,26.8,27.3,27.9,27.5,28.2,28
1935,28.4,28.4,28.2,27.4,26.6,26.2,27.1,27.1,27.8,29,28.4,28.5
1936,27.6,28.7,28.1,27.1,27.5,26.8,26.9,27.4,28.2,28.4,29,28.3
1937,27.8,28.4,28.4,27.4,27.1,26.8,27,27.6,28.4,28.6,29.2,29
1938,28.6,29,27.8,26.9,26.5,26.2,27.4,27,28,28.9,28.6,28.3
1939,27.5,27.9,27.5,26.5,27,26.6,27,27.3,27.6,29,29.4,29.1
1940,28.5,29,28.8,27.6,27.5,27,27.5,26.9,28.1,28.9,29.3,27.5
1941,27.9,29,29,28.2,27.7,26.3,27.2,27.6,27.8,29.2,29.5,28.9
1942,28.6,28.4,29,27.9,27,26.2,26.5,27.4,28,28.8,29,28.2
1943,28.1,27.9,27.4,26.9,26.8,26.3,27.1,26.7,27.6,29.2,29,28.2
1944,27.7,27.8,27.6,27.2,27,26.6,27.4,27.4,27.7,29,29.1,28.5
1945,28.1,28.3,28.4,27.5,26.7,26.3,27.1,27.6,28.1,28.7,28.6,28.4
1946,27.8,28.1,28.3,27.3,27.1,26.6,26.9,26.9,27.7,28.9,28.8,28.8
1947,28.1,28.9,29,27.5,26.9,26.8,27.1,26.9,27.6,28.7,28.5,28.6
1948,28,28.2,28,27.2,26.9,26.2,27,27.1,28.1,29.2,29,28.7
1949,27.6,27.7,28.2,27,26.7,26.3,26.7,26.9,27.6,28.5,28.3,28.6
1950,27.6,28.2,27.9,27.5,26.9,26.4,26.8,26.9,28.1,28.4,29,28.2
1951,27.7,28,27.9,27.2,27.1,26.4,27.1,27.5,28.3,29,29,28.7
1952,28.2,28.8,29.2,27.8,27.3,26.7,27.1,27.2,27.6,29,29.1,28.7
1953,28.1,27.9,28,27.5,27.4,27,26.9,27.7,28.4,29.5,29.2,28.8
1954,28,28.9,28.3,27.8,27.5,26.8,26.9,27.3,27.8,28.6,28.5,28
1955,28.2,28.5,27.7,27.2,27.2,26.8,26.4,27.1,27.8,29.1,28.5,28.2
1956,27.8,27.8,27.9,27.3,26.7,26.6,26.9,26.6,27.7,28.3,28.5,28.5
1957,27.7,29,28.6,28,27.5,26.8,26.9,27.4,28.7,29,28.9,28.9
1958,29.2,29.2,28.7,27.8,27.9,27.4,27.4,27.7,29.1,29.1,28.3,28.8
1959,29,28.5,28.4,27.8,27.2,26.6,27.5,27.5,27.6,28.1,28.6,28.6
1960,28.5,28.4,28.7,27.3,27,26.7,26.7,27.7,27.7,29.1,28.9,29
1961,28.8,29,29,28.3,28.1,26.7,27.1,27.4,28.2,28.9,29,27.9
1962,28.1,28.4,28.4,27.9,27.2,26.5,26.8,27.5,28.2,29.3,29.1,28.9
1963,28.2,28,28.7,27.3,27.4,26.6,27.7,28.1,28.5,29.8,28.7,28.9
1964,29.6,29.9,29.3,27.9,28,26.9,27.2,28.1,28.5,28.3,28.2,27.9
1965,28.6,28.7,28.7,28.5,27.8,27,27.4,27.3,28.8,29.6,28.5,28.4
1966,29.3,29.3,28.4,28.3,28.2,27.2,27,27.3,27.9,29.6,28.6,27.9
1967,27.6,28.7,28.1,27.2,27.3,26.8,27.6,27.2,27.9,28.5,29,28.3
1968,28,29,28.2,27.6,26.5,26.6,27.3,27.4,27.4,28.7,28.6,28.5
1969,27.9,28.4,28.9,28.2,28.1,27.2,27.1,27.3,28.5,28.9,29.5,28.2
1970,28.4,28.4,28.6,27.8,27.7,26.9,27,27.3,27.5,29.6,28.8,28.2
1971,27.7,27.4,27.5,26.9,26.6,26.2,27.4,27.9,28.3,28.7,28.3,28.9
1972,27.3,28.1,28.1,27.4,27.1,26.6,28.5,27.6,28.3,29.3,30,30.3
1973,29.6,29.1,29.1,28,27.6,27.3,27.1,27.6,27.6,30.5,28.6,27.6
1974,27.8,28.3,28.3,28.1,27.8,26.9,27,27.6,27.7,27.2,28.1,27.2
1975,28,28.1,28.5,27.7,27.3,27.1,26.6,27.4,27.9,28.5,28.4,28.3
1976,27.6,28.1,27.4,27.1,27.2,26.5,27,28.2,28.5,29.3,27.9,27.9
1977,29.3,29.2,28.6,28.1,26.9,26.4,27.4,28.1,28.3,28.5,28.6,28.1
1978,28.7,29.7,29,27.9,27.5,26.4,27.1,26.8,28.3,28.3,28.9,30.6
1979,28.9,29.6,28.3,27.6,27.9,26.7,27.2,28.2,29.1,28.6,29,28
1980,29.1,30.2,29.1,28.3,27.6,26.9,26.8,26.9,28.1,27.8,28.2,28.4
1981,28.1,28.2,29,27.9,27.4,26.8,26.2,26.9,27.7,28.9,28.3,27.8
1982,28.4,29,28.9,27.7,26.9,27.3,26.3,27.6,28.6,28.4,29.2,27.8
1983,29.4,29.9,29.7,28.2,28.6,27.4,25.6,27.9,29,28.3,28.4,27.1
1984,28,27.5,29,28.5,28.4,26.6,26.6,27.4,27.5,28.8,28.9,28.5
1985,30.9,28.7,28.7,28.9,27.5,26.1,26.3,27.2,27.8,28.4,27.9,27.6
1986,27.2,31.2,29.4,27,27.2,26.7,25.5,28.2,28.4,28.4,28.1,27.7
1987,28.9,28.7,29.5,28.4,27.2,26.9,29.1,27.7,29,30.6,29.8,30.9
1988,29.9,29.2,29.8,28.8,28.6,26.9,26.8,28.7,28.8,29.3,28.9,28.7
1989,28,27.8,28.2,28.5,27.2,26.6,25.6,28.2,29,29.3,28.4,27.9
1990,28.3,28.5,29.1,27.9,28,27.4,26.2,28.2,28.8,28.7,28.6,28.1
1991,28.6,29.3,29,28.2,28.2,27.5,26.6,26.7,28,28.3,28.6,28.2
1992,28.5,29.6,29,28.3,27.4,27.4,25.6,26.9,28.2,28.6,28,28.2
1993,28.6,29.4,28,27.9,27.2,27.1,26.6,28.3,27.7,29.4,28.3,27.7
1994,28.6,28.5,28.7,27.2,27.4,26.2,26.3,27.7,28,28.4,28,27.2
1995,29.6,30,29.1,28.9,28.3,27.6,27.3,27.9,28.4,29,28.9,28.7
1996,29,30.5,29.1,28.5,28.2,26.4,28.8,26.8,27.4,28.9,29.1,30.2
1997,28.5,28.2,28.4,28.5,27.7,27.7,28.9,28.3,28.3,29.8,29,28.4
1998,28.8,29.8,29.8,28.7,28,27.4,27.7,29,29.1,29.1,28.9,28.5
1999,29.7,28.3,28.3,26.9,27.5,27.4,27.4,27.3,28.3,29.1,29.1,28.7
2000,28.5,28.8,28.4,28.2,28.7,27.6,27.3,28.5,28.9,29.3,29.5,28.5
2001,28.7,28.6,29.3,28.4,28.2,27.2,28,28.7,29.3,30,30,28.8
2002,29.8,30.1,29.3,28.6,27.9,26.8,28.2,28.1,29.1,29.8,28.9,28.7
2003,30.7,30.6,29.9,29,28.5,27.8,27.8,28.4,28.9,29.6,29.8,28.8
2004,30.2,29.8,29.7,29,27.8,27.7,27.2,28.1,28.9,30.4,29.8,29.1
2005,30.2,29.5,30.1,28.4,28.3,27.7,27.6,28.6,29,30.1,30,28.9
2006,29,29.2,29.1,28.7,27.3,27.5,26.9,28.4,29.2,30.3,29.4,29.4
2007,29.5,30.7,29.3,28.6,28.6,27.5,28.2,28.1,28.8,29.5,29.5,28.8
2008,28.4,28.7,28.9,28.6,27.3,27.4,27.7,28.4,28.8,29.2,29,27.9
2009,28.3,28.7,28.7,28.5,27,27.2,27.6,28.4,29.1,30.5,30.2,28.6
