1901,27.5,27.6,27.1,28.1,27.9,27.7,27.4,28.5,28.6,28.3,28.2,27.7
1902,27.3,27.1,27.2,28,27.9,27.6,27.8,28.3,28.6,28.3,28.5,28
1903,27.7,28,27.2,27.7,27.4,27.4,27.3,27.9,28.4,28,28,27.1
1904,26.9,26.9,26.7,27.6,27.3,27.7,27.1,28.2,28.2,28,28.5,27.7
1905,27.3,27.6,26.8,27.9,27.8,28,27.6,28.2,28.2,28.3,28.5,27.6
1906,27.4,27.5,27.1,28.1,27.7,27.3,27.3,28.1,28.5,27.8,28.5,27.3
1907,27.2,26.7,27.3,27.6,27.6,27.6,27.2,28.1,28.4,28.1,28.4,27.8
1908,27.5,27.1,27.2,28,27.8,27.9,27.2,27.9,28.1,27.7,28.1,27.5
1909,27.1,26.9,27.1,27.5,27.8,27.1,27.1,27.8,28.4,28.1,28.1,27.4
1910,27.4,27.3,27.1,27.4,26.8,26.5,26.4,27.3,27.2,27.3,27.9,27
1911,27.2,27.2,26.3,27.4,26.9,27.4,27.2,28.1,28,28.2,28.8,28.6
1912,28.9,28.8,28.4,29,27.5,27,26.7,27.6,28.3,28.3,27.9,27.9
1913,28.1,27.4,27.6,28,27.3,27.1,27.5,28.4,28.5,29.3,29.6,28.4
1914,28.3,28.2,27.6,28.1,27.3,27.1,27.2,28.4,28.3,28.4,28.5,28.7
1915,28.7,28.9,28.2,29,27.8,27.1,27.7,28.4,27.7,27.8,27.9,28.5
1916,28,28.4,28,29.3,27.5,25.6,25.5,26.7,28.3,27.5,27.3,28.7
1917,28.5,28.8,28.5,29.3,28.4,28.4,27,27.5,27.7,27.6,29,27.2
1918,27.8,27.1,27.6,28.2,24.7,30,28.6,30.7,28.7,28.1,28.2,27.9
1919,28.4,28.4,27.6,28.6,28.4,27,26.7,27.8,28.3,28.1,28.4,27.6
1920,27.6,27.4,27.4,27.8,26.8,26.6,26.2,27.5,27.8,28.1,28.2,27.1
1921,26.6,26.6,26.7,26.9,27.1,24.5,24,26.8,26.5,27,28,27.3
1922,27.8,27.6,27.4,28.5,27.9,27.7,27.8,28,28.6,28.3,28.8,27.7
1923,27.3,27.4,27.3,27.8,27.9,27.9,27.7,28.5,28.9,28.3,29,28
1924,28.3,27.6,27.4,28.3,27.8,27.7,27.5,28.2,28.3,28.3,28.4,27.7
1925,27.3,26.8,26.9,28.1,28.2,28,27.4,28.9,28.4,28.8,28.9,28.4
1926,28.3,27.9,27.4,28.2,27.9,28,27.5,28.5,28.9,29.2,29.5,28.7
1927,28.2,27.8,27.7,28.2,27.8,27.8,27.5,28.5,29,29.2,29.4,28.8
1928,28.2,28.1,27.4,28.2,28.2,27.9,27.5,28.5,28.9,28.9,29.5,28.7
1929,28.3,27.9,27.7,28.2,28,27.9,27.5,28.4,28.8,28.9,29.3,28.7
1930,28,27.7,27.4,28.2,27.8,27.9,27.5,28.3,28.5,29,29.2,28.8
1931,27.9,27.5,27.4,28.3,27.8,27.7,27.4,28.4,28.8,29.1,29.5,28.5
1932,28.1,27.7,27.5,28.3,27.9,27.9,27.8,28.6,28.8,28.7,28.8,28.1
1933,27.7,27.8,27.5,28.2,27.8,27.7,27.4,28.3,28.8,28.7,28.8,28.1
1934,27.8,27.3,27.5,28.2,27.9,27.9,27.5,28.2,28.5,29,29.1,28.6
1935,28,27.8,27.7,28.1,27.5,27.8,27.5,28.2,28.8,28.6,29,28.3
1936,27.8,28,27.4,28.2,28,27.7,27.5,28.3,28.8,28.9,29.1,28.4
1937,28.1,27.6,27.9,29,28.5,28.8,28.7,29.6,29.5,29.1,29.9,29
1938,28.5,28,27.9,29.1,28.5,28.3,28.3,29.3,29.6,28.9,29.7,28.8
1939,28.2,28,28,29.7,28.7,29.2,28.7,28.5,29.2,29.6,29.3,28.5
1940,28.3,28.8,28.4,29,28.9,28.8,28.6,29.1,29.9,30,30.3,28.7
1941,28.9,28.6,29,29.2,29.5,28.4,28.6,29.6,30.1,30.5,31,29.9
1942,29.4,29.6,28.8,29.7,29.2,29.6,29.3,30.5,30,30.6,30.9,28.2
1943,30.8,28.8,30.3,30.7,28.5,28.9,29.5,29.4,30.1,30.6,30.9,30
1944,29.9,28.2,28,30.3,30.3,30.1,29.6,30,31.4,30.5,30.3,30.1
1945,29.9,29.2,29.1,30.1,29.7,27.8,29.1,30.4,31,30.2,31,29.5
1946,29.4,29.6,29.1,28.7,28.3,28.9,27.3,29.3,29.8,30,29,28.3
1947,29.2,29,28.8,29.6,29.3,27.9,27.4,28.3,28.8,28.4,28.7,27.1
1948,27.6,27.7,27.1,28.1,28.4,27.8,27.3,27.9,27.9,28.9,28.9,27.5
1949,29.1,27.5,27.8,27.4,26.6,26.5,26.6,26.8,27.4,27.5,28.3,27.8
1950,27,26.5,26.2,27.6,26.3,26.4,26.4,27.5,28.1,28.3,28.6,27.2
1951,27.3,26.2,26,26.9,27.1,27.5,28.2,28.4,28.8,28.4,28.4,28
1952,27.8,27.2,27.1,27.2,27.3,25.9,26.7,27.4,27.6,28.3,27.9,27.7
1953,27.4,27.2,27.2,28.3,27.6,27.1,26.7,28.4,29.2,28.3,28.6,27.5
1954,27.1,26.9,26.8,27.6,26.5,26.9,26.3,28,28.3,27.6,28.4,27.4
1955,27.5,27.2,26.7,27.4,26.9,27.4,26.5,27.5,27.7,28.6,28.5,27.5
1956,27.1,26.3,26.8,27.1,26.7,26.9,26.8,28,28.2,27.8,28.2,27.7
1957,27.2,27.3,27.4,28,28.7,28.3,27.5,28.6,28.4,28.7,29,28.6
1958,28.1,28,26.8,28.3,27.1,27.7,28.4,27.9,29.2,28.8,28.2,28.4
1959,27,27.1,27.4,28.3,27.2,28.2,27.4,28.3,29.1,28.5,29.7,28
1960,29,28.2,27.9,28,27.4,28.5,28.5,29.2,29,29.3,29.1,27.7
1961,27.7,27.6,27.6,28.3,28.4,28.1,28.4,28.2,28.5,29.3,28.2,27.7
1962,27.4,27.2,27,28.2,28.3,28.1,28,28.9,29,28.8,30.6,28.3
1963,27.3,26.5,27.4,27.9,28.5,27.7,28.7,29.9,28.9,28.6,29.1,29.1
1964,29.1,28.3,26.9,27.8,26.4,26.5,26.5,28.6,28.8,28.9,28.9,28.7
1965,27.7,27.1,26.8,27.8,27.4,27.1,26.9,28.8,28.9,29.8,29.6,28.6
1966,28.3,28,27.3,28.5,27.3,27.6,26.7,28.3,28.5,28.3,29.2,28.1
1967,27.6,26.4,25.9,27.2,26.8,27,26.1,27.5,28.1,28.2,28.7,27.9
1968,28.1,27.9,27,28.2,29.2,27.7,28.8,28.2,28.4,28.5,28.6,28.2
1969,28.9,28.8,28.6,29.5,29.5,28.8,28.1,28.6,29.1,29.5,30,28.6
1970,27.8,27.9,27.5,28.7,28.3,28.7,28,28.6,28.9,29.1,29.2,27.9
1971,27.5,27.3,27.2,28.1,28.4,28.1,28.6,28.1,28.5,28.2,29.1,27.9
1972,27.2,28.1,27.2,28.3,27.9,29.1,28.4,28.5,28.8,29.5,29.3,29.4
1973,27.8,28.2,28.2,28.8,29,28.1,27.2,28.1,28.3,28.7,28.8,27.9
1974,26.4,26.3,26.7,27.6,26.7,26.6,26.5,27.1,27.7,28.4,29,27.1
1975,26,27.5,26.2,27.7,26.7,27.3,27.2,28.7,27.5,27.8,28,27.2
1976,27,27,26.6,27.6,27.2,27.2,26.8,27.9,27.8,28.6,29.1,28.6
1977,28.6,27.2,27.9,28.9,27.9,27.9,28.1,28.6,29,28.7,28.8,28.6
1978,27.9,28.3,27.8,28.5,28.4,27.7,28.7,27.8,28.8,29,29.2,28.4
1979,28.9,27.7,27.3,28.4,29.1,27.9,27.6,28.9,29.2,29.8,29.4,28.8
1980,28.5,27.9,27.9,28.7,28.4,28.4,27.8,28.7,29,28.6,29.2,29
1981,27.9,26.9,27.5,28.5,28.4,28.1,27.3,27.7,27.8,27.8,27.9,27.7
1982,27.3,26.6,27.3,28.2,28,28.5,28.1,28.1,28.1,28.5,29.1,28.2
1983,29.1,28.8,28.6,29.3,28.2,28.2,28.5,29.5,28.9,28.4,28.8,28.1
1984,26.9,26.4,27.2,27.8,26.4,26.9,27.4,27.3,28.6,30.3,28.4,28.2
1985,27.7,26.8,27.3,27.6,27.8,25.1,26.4,27.6,27.8,28.1,28.4,28.3
1986,27.7,26.5,26.4,28.7,26.5,27.5,26.5,28,28.9,28.6,28.9,28.3
1987,27.9,27.4,28.9,28.7,27.3,27.7,26.8,29.2,29.5,29.8,28.9,28.8
1988,27.7,28.7,26.9,27.8,26.7,26.6,27.2,29.2,28.3,28.5,29.2,28.6
1989,26.8,27,26.8,26.8,26.7,25.9,26.3,28.1,29,28.5,29.1,28.3
1990,26.7,27.8,26.9,27.1,27,27,26.7,27.9,28.8,28.7,29.1,28
1991,27.6,28.1,27.6,28.6,28,28.2,27.2,28,28.6,28.6,28.7,28.9
1992,29.1,28.5,28.8,29.9,29.7,28.8,27.1,28.4,28,28.4,28.7,27.9
1993,27.8,28,27.9,28.5,28.6,28.5,28,27.7,28.3,28.7,28.7,28.1
1994,27.9,27.5,27.4,28.8,28.4,27.9,27.4,27.9,28.6,29,29,29.1
1995,28.8,28,27.4,28.8,27.9,28.3,28.7,29,29.4,29.1,29,28.7
1996,27.9,28.2,27.5,28.2,28.1,27.9,27.4,28,28.7,28.7,28.2,28.2
1997,27.2,27.5,28,28.8,28.8,28.5,28.4,28.1,29.2,29.6,29.3,29.2
1998,29.2,29,29.2,30.2,28.8,28.4,29,29.9,29.1,29.4,29.1,29
1999,27.5,27.7,27.9,28.1,27.1,27.9,28,28.6,28.9,28.9,29.1,28.2
2000,27.4,27.1,27,27.8,28,27.9,27.1,29.1,29.1,29.1,29.8,28.2
2001,27.7,28.2,27.2,28.6,27.9,27.1,27.5,28.5,28.5,28.9,29.2,28
2002,28,27.5,27.9,28.8,28.2,27.8,27.2,28.6,28.8,29,28.8,28.3
2003,28.3,28.1,28.5,28.2,27.5,27.9,27.7,27.2,28.7,29.3,29.9,28.3
2004,28.1,27.9,27.6,28.6,27.7,27.8,28.1,28.6,29,29.1,29.2,28.4
2005,28.3,27.7,27.9,28.6,28.5,28.1,27.8,29.3,28.9,28.8,28.6,27.7
2006,27.9,27.5,28.1,28.2,27.2,28,28.8,29.2,29,28.7,29.1,28.2
2007,28.7,27.7,27.5,28.6,27.3,27.4,27.7,28.6,28.4,28.2,28.7,27.6
2008,27.7,27.4,27.4,28.2,27.1,27.2,28.5,29.7,28.9,28.7,29.3,28.3
2009,27.7,27.7,27.7,28.6,27.8,27.9,28,29.2,29.3,29.3,29.8,28.6
