1901,27.5,28.1,28.6,29.1,29.2,29.2,28.8,28.7,28.4,28.3,27.7,26.9
1902,26.8,28,28.3,29.1,29.2,29.4,28.8,28.7,28.3,28.3,27.7,27.3
1903,27.4,27.5,28.8,29.5,29.4,28.8,28.6,28.5,28.2,28.1,27.1,25.7
1904,26.2,27.1,28.2,28.8,29.1,29.1,28.7,28.8,28.6,28.4,27.3,26.4
1905,27.6,28.3,28.6,29.5,29.1,29.1,28.8,29,28.6,28.5,27.8,28
1906,27.9,28.4,28.6,29.8,29.7,29.3,28.9,28.9,28.7,28.2,27.3,26.9
1907,27.1,27.8,28,29.1,28.9,29,28.7,28.6,28.5,28.2,27.7,26.1
1908,27.1,27.6,28.2,29.1,29.1,29,28.7,28.6,28.5,28.3,27.1,26.7
1909,27.1,27.8,28.3,29.1,29,29.1,28.6,28.7,28.5,28.4,27.2,26.4
1910,27.4,27.4,28,29,29.1,28.9,28.7,28.7,28.2,28.2,27.5,26.2
1911,27.2,28.4,28.8,29.7,29.5,29.7,29.7,29.2,29.1,28.7,29.1,28.1
1912,28.5,28.8,29.7,29.9,29.9,29.4,29.1,29,28.9,28.7,27.9,27.6
1913,27.7,28.7,29.5,29.5,29.4,29,28.9,29.2,29,28.9,28.2,27.7
1914,27.6,28.9,29,29.8,30.5,29.2,29.2,29.4,29.3,29,28.9,28.3
1915,28,28.9,29,29.9,29.8,29.7,29,29.6,29,28.8,28.4,26.9
1916,27.2,28.4,29,29.6,29.3,29.2,28.5,28.8,29,28.8,28,27.1
1917,27.1,27.6,28.2,29.6,28.7,29,28.8,28.5,28.5,28.4,28.2,26.9
1918,26.1,26.3,28.4,28.8,28.8,28.7,29.2,29.2,29,28.5,28.7,27.2
1919,28.3,28.9,29.5,30,29.9,29.7,28.9,29.4,29.1,28.8,28.2,27.4
1920,27.3,28.3,29.1,29.7,29.7,29.8,29.2,28.9,29,28.6,28.8,26.8
1921,27.6,27.8,28.8,29.5,28.9,28.9,28.8,29.1,28.9,28.3,27.7,27.6
1922,28.2,28.3,28.1,28.9,29,29,28.7,28.6,29.1,28.5,28.4,27.6
1923,27.4,27.9,28.5,29.5,29.1,29.3,28.4,28.4,28.2,28.5,28.3,27.6
1924,27.7,28,28.1,29.4,29,28.9,28.9,29.5,28.2,27.7,27.7,26.4
1925,27.6,27.1,28.1,29.2,29.9,29.8,29.1,29.6,29.3,28.4,28.5,27.1
1926,27.5,28.9,29.6,30.5,30,29.8,29.5,29.4,29,28.7,28.5,27.6
1927,27.4,28.2,29.2,29.1,29.4,29.4,28.9,29.4,29.1,28.4,28.3,27.8
1928,28.2,27.7,28.6,29.3,29.7,29.6,29.5,29.2,29.3,28.6,28.1,27.8
1929,27.8,27.3,27.7,29.7,29.6,28.9,29.4,29.3,29,28.6,27.8,27.7
1930,28.2,28.6,28.2,29.8,29.5,29.4,29.7,30.1,29.2,28.6,28,27.9
1931,28.1,29.2,30.1,30.3,30.1,29.6,29.2,29.8,28.8,28.2,28,26.8
1932,27.1,28.5,28.4,29.5,29.8,29.1,28.8,29.3,28.8,28.5,27.8,27.5
1933,27.3,28.8,28.7,29.4,29.9,29.7,29,29.4,28.8,28.4,27.1,26.8
1934,26.4,27,27.6,29.3,29.8,29.2,29,28.9,29.1,28,28,27.5
1935,28.6,29,29.3,29.8,29.4,29.1,29.1,29.2,29.3,28.7,28.2,27.8
1936,27.5,29,28.5,29.7,29.5,29,28.9,28.7,28.7,27.6,27.7,27.8
1937,28.2,28.6,29.6,29.4,28.9,29.1,28.8,29.3,28.5,27.9,28,27.1
1938,27.9,28.9,28.1,29.3,29,29.2,28.8,28.4,28.6,28.8,27.6,27.8
1939,28.1,28,29,29.4,29.8,28.6,29.2,29,28.3,27.9,28.1,26.8
1940,27.4,28.3,29.1,30.3,29.8,29.7,29.4,28.6,28.6,29.1,28.6,28.2
1941,28.5,29.2,29.7,30.4,29.9,30.5,29.7,29.2,29.3,29.1,28.2,28.3
1942,27.2,27.7,28.2,28.7,28.8,29,28.6,28.7,28.3,28.3,27.9,26.8
1943,26.7,28,28.3,28.8,29.2,29.2,28.9,29.2,28.6,28.3,27.5,26.5
1944,27.6,28.2,28.4,29.4,29.3,29.3,28.5,28.6,28.5,28.3,27.9,26.3
1945,27.3,27.9,27.9,29.1,29.1,28.9,28.7,28.7,28.5,27.9,28.2,27.3
1946,27.1,27.6,28.4,28.7,28.7,29,28.8,28.5,28.5,28.2,27.5,27.7
1947,28.2,28.3,28.3,29.3,29.6,29.1,28.6,28.6,28.5,28.2,27.8,26.8
1948,27.4,28.1,29,30.3,30,30.2,29.4,29.6,29.4,29.1,27.6,28.3
1949,28.2,28.4,29.9,29.7,29.4,29.2,29,29.3,29,28.3,28.2,27.9
1950,28.4,28.7,29,29.4,29.5,29.2,28.9,29.2,28.3,28.4,27.9,27
1951,26.2,26.6,28.1,29.2,28.6,29.6,28.3,28.9,28.3,28.3,28.4,26.9
1952,27.3,27.4,28.1,29,29,28.7,28.2,28.1,28.3,28.2,26.8,27
1953,27,26.9,27.9,28.9,28.6,29,28.2,29.2,28,28.2,28,27.8
1954,27.1,28,28.3,28.7,28.3,28.4,27.9,28.1,27.9,27.5,27.1,26.6
1955,26.3,27.6,28.8,28.8,29.3,28.6,28.4,27.8,28.6,27.8,27.4,26.7
1956,26.5,27.5,28.2,29,28.2,28.5,28,28,27.9,27.5,27.4,26.1
1957,27.2,27.9,27.9,29.2,29.1,29.4,28.6,28.5,28.1,27.8,28,26.3
1958,28,28.1,28.4,29.9,29.4,29.7,29.3,28.3,28.5,28.2,26.8,27.5
1959,27.6,28.7,28.4,28.5,28.8,29,28.3,28.1,28.4,27.6,27.2,27.4
1960,27.3,27.6,28.9,29.1,29.2,28.5,28.1,28.5,28.4,28.5,26.9,27
1961,27.3,28,28.5,28.8,29.2,28.7,28.6,28.4,28.1,27.8,27.2,26.4
1962,26.4,27.6,27.5,28.9,29.4,29,28.5,28.1,28.2,27.6,27.9,26.8
1963,26,27,28.2,29.8,29.7,29,28.8,28.3,28.4,28,27.8,27.4
1964,28.4,27.7,28.1,29,29.2,28.7,28.1,28.6,28.3,27.8,27.4,26.8
1965,27.2,27.7,27.8,28.5,28.6,28.7,28.3,28.3,27.9,28,27.6,26.3
1966,27.2,27.8,28.4,29.3,29.1,28.3,28.2,28.1,28.6,27.7,27.6,26.6
1967,26.4,26.8,27.9,28.9,28.8,28.6,28.3,28.3,28.5,28,27.3,26.9
1968,27.3,28.2,28.6,29,28.7,29,28.4,28.6,28.3,27.7,28.2,26.8
1969,27.9,28.4,29.2,29.7,29.7,29,28.8,28.4,28.8,28.4,26.9,26.8
1970,27.5,28.1,28.8,28.8,29.3,28.9,28.1,28.6,28.3,27.8,27.5,26.9
1971,26.4,27,27.5,29.4,28.9,28.8,28.7,27.8,28.6,28,27,25.8
1972,27.1,27.9,28.1,28.5,29.3,28.9,29.3,28.9,28.4,28.7,28.2,27.2
1973,27.8,28.7,28.3,29.2,29,29.1,28.6,28.4,28.2,28.2,27.4,25.5
1974,26.4,26.7,27.8,28.4,28.5,28.4,28.4,28.7,28.1,28.5,27.6,27.5
1975,27,27.2,27.6,28.7,28.4,28,27.7,28.4,27.8,28.1,26.7,25.8
1976,26.8,27.9,28.3,28.9,28.8,28.5,28.4,28.3,28.2,28.1,26.7,26.9
1977,27.7,26.6,27.7,29.5,29.6,29,28.9,28.2,28.7,28.2,27.5,27.5
1978,27.9,28.4,28.7,29.1,29,28.8,28.2,28.6,28.4,27.9,27.7,27.2
1979,27.8,28.4,29.2,29.3,29.9,29,28.2,29.2,28.5,28.2,27,27.5
1980,27.8,28,28.8,29.1,29.5,28.8,28.6,28.1,28.5,28.5,27.6,26.3
1981,27,27.7,28.8,28.9,29,29.7,29.1,29.9,28.4,28.6,27.5,26.8
1982,27.6,27.8,28.4,28.3,29.2,28.9,28.4,28.5,28.7,28.4,28.3,27.3
1983,27.9,29.1,29.5,30.4,30,29.6,28.9,28.6,28.6,28.6,28.2,26.1
1984,26.3,26,27.6,28.7,28.6,28.8,28.2,28.9,28.2,28.5,28,26.7
1985,27.9,27.9,27.4,28.9,28.5,29.6,28.5,28.5,28.2,28.1,27.6,26.9
1986,26.5,28,27.9,29.2,29.3,29.1,29.3,29.5,28.5,28.1,27.5,27.6
1987,27.3,28.3,29.1,29.6,29.5,29.7,29.6,28.9,28.7,28.9,28.8,27
1988,28.1,28.4,28.6,29.6,29.2,29.2,28.6,28.6,28.3,28.8,27.3,26.7
1989,27.4,27.6,27.8,29.1,29.2,29.2,29.1,28.6,28.2,28.1,27.8,27.6
1990,27.5,28.5,29.2,29.2,29.3,29.4,28.6,29.4,28.9,28.7,28.6,27.6
1991,27.7,28.7,28.6,29.5,29.5,30,29.2,29.4,29.2,28.5,27,26.7
1992,27.6,28.9,29.5,30.6,30,29.5,29.1,29.4,29.2,28.4,27,26.8
1993,27.4,27.8,27.9,28.8,29.7,30,29.4,29.4,28.9,28.5,28.1,27.1
1994,28,28.9,27.6,29.1,29.2,29.2,29.3,28.7,29,28.4,27.5,28.3
1995,27.7,27.6,28.8,29.4,29.7,29.8,29,28.5,28.8,29.1,27.9,27.1
1996,27.5,27.4,28.9,29.7,29.9,29.5,29.6,29,29.2,28.5,28.6,26.7
1997,28.4,28.1,29.2,29.2,30.6,30,29.4,29.7,28.9,28.9,28.5,27.9
1998,28.6,29.7,30.3,30.1,31.2,29.9,29.7,29,29.1,29.2,28.5,27.4
1999,27.6,27.1,28.6,29.5,29,29.2,29,28.8,28.9,28.5,28.4,27
2000,27.6,27.9,28.5,29.4,30.2,29.3,29.7,29.7,29.4,29,28.1,28.4
2001,27.7,28.3,28.5,29.5,29.8,29.8,30.1,29.5,29.3,28.8,28.2,28.2
2002,28.1,29.1,29.5,30.1,30,30,30.1,29.5,29,29.3,28.8,28.3
2003,28,28.3,29.1,29.7,29.9,29.9,28.9,29.5,29.3,28.6,28.4,27.5
2004,28.4,28.6,29.1,30.4,30.3,29.9,28.7,29.4,29,28.2,28.3,27.2
2005,28,29.7,29.1,29.5,29.3,29.5,28.9,29.4,29,28.1,28.1,26.9
2006,27.5,27.6,28.6,29.2,28.6,28.8,29.1,29.1,28.3,28.7,28.1,27.8
2007,26.8,27.9,28.7,29,29.3,29.2,28.8,29,29,28.4,28.2,27.7
2008,27.6,28,27.4,29,29.2,28.9,28.5,29,29.1,29.1,27.9,27
2009,26.9,28.4,27.8,29.2,29.2,30,29.4,29.1,29,28.8,27.6,26.9
