1901,28.2,28.4,28.7,28.7,28.8,29,28.7,28.7,28.2,28.2,28,27.5
1902,27.4,28.3,28.2,28.7,28.7,29.1,28.6,28.6,28.1,28.1,27.9,27.8
1903,28,27.7,28.7,29.1,28.9,28.5,28.4,28.4,28,27.9,27.3,26.2
1904,26.8,27.3,28.1,28.4,28.6,28.8,28.5,28.7,28.4,28.2,27.5,26.9
1905,28.2,28.5,28.5,29.1,28.6,28.8,28.6,28.9,28.4,28.3,28,28.5
1906,28.6,28.6,28.5,29.4,29.2,29,28.7,28.8,28.5,28,27.5,27.4
1907,27.7,28,27.9,28.7,28.4,28.7,28.5,28.5,28.3,28,27.9,26.6
1908,27.7,27.8,28.1,28.7,28.6,28.7,28.5,28.5,28.3,28.1,27.3,27.2
1909,27.7,28,28.2,28.7,28.5,28.8,28.4,28.6,28.3,28.2,27.4,26.9
1910,28,27.6,27.9,28.6,28.6,28.6,28.5,28.6,28,28,27.7,26.7
1911,28,28.8,28.8,29.2,29.1,29.4,29.5,29.1,28.9,28.5,29.3,28.6
1912,29.1,29.1,29.6,29.7,29.4,29.1,29,29,28.8,28.6,28.4,28.2
1913,28.6,29,29.5,29.2,29.2,28.8,28.9,29.3,28.8,28.8,28.6,28.4
1914,28.5,29.1,29,29.4,30,29,29.1,29.4,29.3,29.1,29.3,28.9
1915,28.9,29.2,29.2,29.6,29.5,29.3,29,29.4,29,28.7,28.8,27.8
1916,28,28.8,29,29.6,28.9,29.1,28.4,28.9,28.9,28.8,28.6,27.8
1917,27.8,28,28.3,29.3,28.3,28.9,28.8,28.6,28.5,28.4,28.6,27.6
1918,27,26.7,28.5,28.7,28.4,28.5,29.1,29.2,28.9,28.4,28.9,27.7
1919,29.1,29.2,29.4,29.7,29.6,29.5,28.9,29.5,29.1,28.9,28.6,28
1920,28.3,28.5,29.2,29.4,29.3,29.6,29.2,28.9,28.9,28.6,29.1,27.3
1921,28.5,28.2,28.9,29.3,28.6,28.6,28.8,29.2,28.8,28.3,28.2,28.2
1922,28.9,28.5,28.2,28.5,28.6,28.9,28.7,28.6,28.9,28.4,28.8,28.2
1923,28.2,28.3,28.6,29.3,28.8,29.2,28.4,28.6,28.1,28.4,28.6,28.3
1924,28.4,28.3,28.2,29.2,28.6,28.8,28.9,29.5,28,27.5,27.9,27.2
1925,28.3,27.5,28.2,29,29.5,29.7,29.1,29.6,29.3,28.4,28.8,27.8
1926,28.3,29.3,29.7,30.3,29.7,29.6,29.4,29.5,29,28.6,28.9,28.1
1927,28.2,28.6,29.1,28.8,29,29.3,28.9,29.4,29.1,28.3,28.6,28.4
1928,28.9,28.1,28.6,29,29.3,29.5,29.5,29.2,29.3,28.6,28.6,28.4
1929,28.7,27.8,28.1,29.7,29.3,28.9,29.5,29.3,29,28.5,28.3,28.2
1930,29.1,29.1,28.5,29.7,29.2,29.4,29.8,30.3,29,28.9,28.4,28.4
1931,28.6,29.8,30.1,30,29.6,29.5,29,30.1,29,28.8,28.6,27.4
1932,28.3,28.6,28.3,29.1,29.1,28.7,29.1,29.1,28.8,28.6,27.9,28.2
1933,28.1,28.9,28.7,29.1,29.6,29.7,29,29.5,28.9,28.5,27.8,27.4
1934,27.3,27.3,27.6,28.8,29.6,28.8,29.3,29.3,29.1,28.3,28.3,28.1
1935,28.8,28.9,29.1,29.5,28.7,28.8,29.3,28.9,29.2,28.5,28.3,27.9
1936,28.1,28.9,28.2,29.3,28.9,28.9,29,28.6,28.9,27.8,28.2,28.3
1937,28.7,28.9,29.4,29.1,28.4,28.9,29,29.7,28.9,28.1,28.4,27.7
1938,28.7,29.3,27.9,28.9,28.5,29.3,29.1,28.7,28.7,28.8,28.1,28.4
1939,28.6,28.1,28.7,28.8,29.1,28.5,29.3,28.9,28.1,27.7,28.3,27.3
1940,27.8,28.2,28.8,29.5,29,29.3,29.3,28.3,28.7,28.8,28.7,28.5
1941,29,28.9,29.2,30,29.2,30,29.5,29.1,29.1,28.8,28.3,28.8
1942,27.8,28,28.1,28.3,28.2,28.7,28.4,28.6,28.2,28.1,28.1,27.3
1943,27.3,28.3,28.2,28.5,28.7,29,28.7,29.2,28.5,28.1,27.7,26.9
1944,28.2,28.4,28.4,29.1,28.8,29.1,28.3,28.5,28.3,28.1,28.1,26.8
1945,27.9,28.2,27.8,28.8,28.6,28.6,28.5,28.6,28.4,27.7,28.4,27.7
1946,27.7,27.8,28.3,28.3,28.2,28.6,28.5,28.4,28.5,28.1,27.8,28.3
1947,29.1,28.8,28.4,29.3,29.1,29.1,28.6,28.6,28.5,28.2,28.2,27.1
1948,28.4,28.3,28.8,30,29.5,30.2,29.3,29.6,29.4,29,28.5,29
1949,28.8,28.6,30.1,29.5,29.3,29.3,29.1,29.6,29.4,28.5,28.6,28.4
1950,29.2,29,29.1,29.1,29.2,29.2,29.3,29.4,28.3,28.6,28.5,28
1951,26.5,26.4,28.1,28.7,28,29.2,27.8,28.9,28.4,28.2,28.5,27.5
1952,28,27.6,27.9,28.7,28.4,28.9,28.2,28.5,28.5,28.1,27.4,27.7
1953,28,27.3,27.7,28.5,28.5,28.9,27.9,29.4,28,28.3,28.4,27.9
1954,27.3,28.1,27.9,28.3,28.2,28.5,27.9,28.5,28.3,27.7,27.5,27.2
1955,27.8,28,28.8,28.2,28.7,28.7,28.2,27.9,28.4,28.1,27.4,27.2
1956,27.1,27.6,28,28.6,28.2,28.4,28,28,28.1,27.8,28.1,26.8
1957,28.1,28.5,28,28.7,28.4,29.4,28.8,28.8,28.5,28.1,28.5,26.9
1958,28.5,28.8,28.6,29.7,29.4,29.5,29.6,28.7,29,28.2,27.5,28.5
1959,28.8,29.1,28.4,28.7,28.9,29.1,28.6,28.4,28.5,28.1,27.8,28.2
1960,28.4,28,28.6,28.6,28.9,28.7,28.2,28.8,28.8,28.7,27.3,27.6
1961,28,28.4,28.1,28.8,29.1,28.7,28.7,28.7,28.2,27.7,27.8,27
1962,27.1,28.3,27.7,28.7,29.1,28.8,28.5,28.1,28.4,27.5,28,27.2
1963,26.9,27.9,28.4,29.8,29,28.8,28.7,28.1,28.3,27.8,27.9,27.9
1964,28.8,28,28.1,28.9,28.7,28.4,27.8,28.7,28,27.7,27.5,27.4
1965,28.3,28.1,27.8,28.2,28.1,28.8,28.5,28.2,27.9,27.9,27.6,26.7
1966,27.6,28,28.1,28.8,28.5,28.1,28,27.9,28.6,27.7,27.9,26.8
1967,26.7,27.1,28.4,28.5,28.3,28.4,28.2,28.2,28.4,28,27.5,27.5
1968,27.9,28.4,28.6,28.6,28.4,28.7,28.1,28.4,28.1,27.8,28.6,27.3
1969,28.1,28.6,29,29.5,28.8,28.5,28.8,28.2,28.7,28.1,27.3,27.6
1970,28,28.8,28.6,28.9,28.6,29,27.9,28.6,28,27.5,27.6,26.9
1971,26.9,27.1,27.5,29.1,28.5,28.5,28.4,27.6,28.3,28,27.6,25.9
1972,27.9,27.7,28.3,28.2,28.8,28.5,29,29.2,28.1,28.3,28,27.7
1973,28.4,29,28.3,28.6,28.4,28.9,28.2,28.3,28.2,28,27.6,26
1974,27,27,28.3,28.3,28.1,28.5,28.2,28.7,27.9,28.4,27.6,27.7
1975,27.8,27.3,27.5,28.6,28,27.9,27.4,28.4,27.7,28,27,26.1
1976,27.5,28,28,28.4,28.2,28.1,28.2,28.3,28.1,28,27.4,27.5
1977,28.2,27.3,28.3,29.6,28.8,28.7,29.1,28.2,28.5,28.3,28,28.1
1978,28.5,28.7,28.6,29,28.9,28.7,28.2,28.7,28.3,28.1,28.2,28
1979,28.5,28.6,29.1,29,29.5,29,28.1,29.1,28.5,28.5,27.8,28.2
1980,28.2,28.4,28.2,28.6,28.8,28.5,28.4,27.7,28.3,28.2,27.7,26.8
1981,27.3,27.6,28.7,28.2,28.1,29.2,28.6,29.6,28.1,28.2,27.5,27.6
1982,28.4,27.9,27.9,28.1,28.3,28.8,28.1,28.2,28.3,28,28,27.6
1983,28.5,29.1,29.1,30,29,29.3,28.5,28.3,28.1,28.3,28.4,26.5
1984,26.5,25.9,27.1,28,28.1,28.4,27.9,28.8,28.4,28.3,28.1,26.9
1985,28.5,27.8,27.1,28.6,28.2,29.4,28.5,28.3,28,27.9,27.6,27.5
1986,26.8,28,27.6,28.6,28.9,28.9,29.1,29.5,28.1,27.9,27.6,28
1987,28.1,28.8,28.8,29.2,28.6,29.5,29.4,28.6,28.4,28.8,28.6,27.5
1988,28.6,28.4,28.5,29,28.8,28.9,28.5,28.4,28.1,28.8,27.8,27.4
1989,27.8,28,27.5,28.5,28.7,28.9,28.9,28.7,27.9,27.7,28.5,28.1
1990,27.8,28.7,28.8,28.8,28.6,29.2,28.4,29.2,28.6,28.5,28.5,28.1
1991,28.4,28.7,28.5,29,28.7,29.5,29,29.1,28.9,28.3,27.7,27.3
1992,28.2,28.7,29.3,30.1,29.4,29,28.6,28.7,28.9,28.1,27.3,27.5
1993,28,27.8,28,28.6,28.9,29.5,29,29.2,28.6,28.3,28.1,27.3
1994,28.5,28.8,27.6,28.9,28.6,29,29.2,28.5,28.5,28.5,27.9,28.7
1995,28.2,28.1,28.6,29.1,29.3,29.5,29.1,28.5,28.9,29.2,28.2,27.2
1996,28.2,28.1,29,29.1,29.4,29.4,29.4,28.8,29.3,28.3,28.7,27.1
1997,28.9,28.4,29.1,29,30,29.9,29.3,29.9,28.9,28.8,28.8,28.6
1998,29.2,30.1,30.2,29.8,30.8,29.9,29.5,28.8,29.2,29.1,28.3,27.5
1999,28,27.5,28.4,29.3,28.8,29.3,28.9,28.8,28.8,28.4,28.5,27.3
2000,28.2,28.1,28.4,29.1,29.6,29.1,29.5,29.4,29.1,29,28.6,28.5
2001,28.1,28.5,28.8,29,29.4,29.7,30,29.7,29.1,28.8,28.7,28.6
2002,29,29.5,29.8,29.7,29.9,30,29.8,29.9,29.3,29,29,28.8
2003,28.8,28.6,29.2,29.6,30,29.8,29,29.5,29.4,28.4,28.7,28.1
2004,29.2,28.8,28.9,29.8,30,30,28.7,29.6,29.2,28.5,28.8,28.1
2005,29,29.8,29.4,29.3,28.8,29.6,28.9,29.4,28.6,28,28,26.8
2006,28,28.2,28.5,28.9,28.3,28.4,28.9,29.2,28.1,28.7,28.2,28.2
2007,27.6,28.3,28.6,28.6,29.1,28.9,28.5,28.9,28.8,27.9,28.1,27.8
2008,28.2,28.4,27.1,28.3,28.7,28.5,28.2,28.7,28.4,28.6,28.1,27.5
2009,27.6,28.3,27.5,28.8,29,30.1,29.2,28.7,29,28.9,28.1,27.4
