1901,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1902,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1903,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1904,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1905,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1906,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1907,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1908,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1909,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1910,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1911,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1912,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1913,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1914,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1915,28.7,29.3,29.4,29.1,29.7,29.8,30.2,30.2,29.2,29,28.3,28.7
1916,28.9,29.3,29.3,29.8,29.5,29.5,29.8,29,29.1,27.9,27.7,27.8
1917,28.2,28.3,29.2,29.1,28.8,28.5,29.4,28.9,28.6,27.9,27.7,28.1
1918,28.5,29,28.3,28.6,27.8,28.2,29.3,29.5,28.7,28.3,27.6,28.1
1919,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1920,28.7,29.3,29.4,29.1,28.8,29,29.3,29.1,28.6,27.9,27.8,28.1
1921,28.8,29.1,28.5,28.5,28.1,28.5,29.3,28.6,28.5,27.1,27.5,27.9
1922,28.5,28.8,28.6,28.9,28.3,28.2,28.8,28.9,28.4,27.4,27.1,27.6
1923,27.9,28.6,29.1,29,28.5,28.8,29,28.7,28.8,27.5,27.9,28.1
1924,29,29.5,30.3,29.6,28.9,28.3,28.7,29.4,28,27.5,27.5,27.6
1925,28,28.5,28.3,28.8,28.7,28.8,28.9,28.8,28.2,28.1,27.7,28.4
1926,29,29.9,29.9,30.1,29.6,29.3,29.3,29,28.3,28,27.8,27.8
1927,28.4,28.8,29.1,28.4,28.2,28.5,28.3,29.1,28.2,27.8,28,27.8
1928,28.5,29.4,29.2,29.3,28.8,28.7,29.2,28.8,28.5,27.9,27.6,27.9
1929,28.6,29.5,29.5,28.8,28.4,28.7,29,28.9,28.6,28.1,27.9,28
1930,29,29.1,29.9,29.3,28.5,28.8,29.2,28.9,28.8,27.5,27.9,28.5
1931,29.1,29.5,29.8,29.8,29,29,28.9,29.2,28.4,28.2,27.9,27.9
1932,28.4,29.2,29,29.7,28.3,28.4,29,28.7,28.3,26.9,27.5,27.8
1933,28.9,29.2,29.2,29.2,29.3,29,30.1,29.6,29.4,28.3,27.6,27.8
1934,28.8,28.8,28.8,29.9,29.5,29,29.5,30.2,29.6,28.4,28.1,28.8
1935,28.9,29,29.7,29.3,28.9,29.6,30.1,29.3,29.3,28.4,28.1,28.5
1936,29,29.9,30,30.1,29.7,29.4,29.8,30.1,29.7,28.7,28.9,28.6
1937,28.9,29.4,30.1,30.1,29.2,29,29.4,29.3,28.8,28.4,28.2,28.9
1938,29,29.5,29.1,28.7,28.8,29.2,29.6,28.8,29.2,28.2,27.9,28.1
1939,29.1,28.8,29,29.3,29.4,29,29.7,29.7,29.3,28.3,28,28.9
1940,27.5,29,28.2,29.9,30,29.7,30.3,30,29.5,28.7,28.4,25.9
1941,30.4,28.3,31.9,30,29.3,29.6,29.3,29.7,29.1,29.8,29.8,29.7
1942,30.6,29,28.7,30.6,29.4,30.4,30.2,29.7,29.1,28.4,28.4,28.7
1943,29,29.4,29,29.4,29.4,29.8,30.7,29.7,30.4,28.8,29.3,29.1
1944,29.7,30.4,30.3,30.7,28.3,28.4,30.2,29.7,29,28.5,28.7,29.2
1945,29,29.7,30,28.2,26.7,29.1,29.3,28.5,28.4,27.6,28.1,28.8
1946,28.9,29.5,29.4,29.1,28.6,30.3,30,29.7,29.6,28.7,28,28.8
1947,29.2,30.2,30.7,30,29,29.6,29.2,29.6,29,28.2,28.8,29.6
1948,29.4,29.9,30.2,28.8,29.2,28.9,28.7,28.6,28.9,28.7,28.2,28.6
1949,27.8,28.5,29.3,29.5,30.1,30.1,29.6,28.8,29.6,29,29.4,28.8
1950,28.7,29,29.4,28.8,27.9,28,28.3,27.9,28.5,27.6,28.1,28.2
1951,27.6,27.4,28.6,30,29.1,29.3,29,29.6,29.1,28.9,28.3,28.6
1952,29.1,30.2,30.5,29.9,29.7,29.5,30.8,30.4,30.4,29.5,29,29
1953,29.5,30.9,30.1,31.3,29.9,30.4,30.5,30.8,29.9,29.1,29.6,30.2
1954,30,30.1,31,29.4,29.7,29.3,29.2,27.9,29.3,28.2,28.6,28.8
1955,30.3,30.8,29.7,30.1,30.2,29.9,28.9,29.8,29.6,29.1,29.8,29.6
1956,27.4,28.8,29.3,30.3,29.9,29.2,30.9,29.8,30.2,28.5,29.3,29.4
1957,30.2,30.8,31.5,31,30.5,30.6,31,30.8,30.3,29.2,29.7,30.7
1958,31.2,32.2,33.2,30.5,29.7,30.2,30.3,29.9,30.9,30.1,29.7,29.9
1959,31.1,31.9,32.3,31.3,29.3,29.5,29.5,29.3,30.3,29,29,30
1960,30.3,31.6,30.6,30.4,29.4,30,30.2,29.7,29.7,29.2,29.3,28.5
1961,29.9,31,31,30.6,31,30,30,29.9,29.5,29.2,28.1,30
1962,29.2,29.9,29.2,29.2,28.5,28.5,30.3,29.3,29.9,28.9,28.3,29.7
1963,29.9,29.7,30.7,29.4,28.8,30,30,30.3,30,29.5,28.8,30.4
1964,31.2,32.2,31.6,29.6,30,28.6,29.3,29.1,28.9,29,29.2,28.4
1965,28.4,30.1,30.9,29,28.7,30.1,30.4,29.8,29.4,29,28.3,29.5
1966,31.2,31.6,30.3,30.3,29.5,29.1,29.8,29.8,29,28.1,27.5,28
1967,28.9,29,28.8,28.7,28.7,28.6,29,29.4,29.3,28.8,28.3,29
1968,29,29,29.1,28.6,28.7,28.2,29.5,29.4,28.7,28.2,29.2,29
1969,29,29.6,31.5,30.2,30.7,30.4,31.1,29.6,29.2,28.2,29,29.2
1970,29.7,29.7,30.3,29.8,28.9,29.4,28.9,28.6,27.7,27.7,27.2,28.6
1971,27.3,28.3,28.5,28.7,27.6,28.4,28.8,28.1,27.4,27.3,27.5,27.3
1972,27.6,28.8,29.2,29.1,28.7,29.3,30.5,29.2,29.8,28.9,28.7,28.4
1973,30.3,30.3,30.8,30.2,29,28,28.9,28.1,26.8,26.7,26.2,25.8
1974,26.2,27.6,26.6,27.6,28.1,28.7,28.7,28.5,27.2,27,26.8,27.6
1975,27.7,27.9,28.8,28.2,27.8,28.4,27.5,27.8,27.2,26.4,26,25.9
1976,27.2,26.5,26.8,28.4,28.1,28.3,29.2,29.2,28.9,26.6,27.7,27.8
1977,28.8,30.4,30,28.9,28.2,28.4,29.1,28.8,28.1,27.7,27.8,29.4
1978,29.1,30.3,28.6,28.2,29,28.4,29.1,29.1,28.3,28.2,27.8,27.4
1979,28.2,29.5,28,29,28,28.2,29.1,29.2,27.6,27.6,27.6,28.1
1980,29,28.7,30.6,30.6,29.7,29.6,29.2,29.2,28.8,28,27.2,27.2
1981,28,28.9,29.4,28.3,27.5,27.7,28.7,28.2,28,27.3,27.8,28
1982,28.1,27.5,28.1,27.7,27.7,29.1,29.1,30,28.8,27.4,27.6,27.5
1983,29.8,30.6,30.5,29.5,29.1,29.7,29.5,29.4,29,27.6,28.2,27.6
1984,27.3,28.5,28.8,29.4,28.2,28.4,27.9,28,26.8,27.5,27.3,26.2
1985,27,29.7,28.3,28.8,28.6,29.1,29.5,28.6,28.5,27.6,26.5,27.6
1986,27.8,28,28.6,28.7,28.9,28.9,29.9,28.9,29.2,28,27.9,29.2
1987,29.3,31.1,29.6,29.7,29.8,30.8,29.6,29.8,29.4,27.4,28.3,29.5
1988,29.8,29.9,29.9,29.1,29.5,29.2,29.3,28,27.5,27.7,27.2,26.7
1989,27.4,28.2,27.8,28.8,28.2,28.5,29,28.9,27.7,27,27.3,27.3
1990,27.6,27.3,28,28.7,28.4,29.3,29.4,29.3,29.5,27.3,28.2,27.3
1991,28.9,29.7,29.4,29.6,29.1,30,29.1,28.9,29.1,28.5,28.2,28.1
1992,29.4,29.8,30.5,30.2,29.9,29.8,28.9,29.2,28.9,28.7,28.6,28.2
1993,29.1,29.7,30.3,30.2,29.1,29.9,29.7,29.9,28.9,28.8,28.3,29.2
1994,28.4,29.7,29.4,29.2,29,29.7,29.3,29.3,29.2,27.7,28.1,28.4
1995,29.6,30.1,29.9,29.8,29,29.4,29.7,29,29.6,28.2,28.6,28.8
1996,29.1,28.1,27.6,28.1,28.5,29,28.8,27.5,28.8,26.9,25.6,27
1997,28.1,27.7,27.7,27.6,28.9,27.6,30.3,30.1,27.5,26.9,26.2,26.9
1998,28.7,30.9,29.1,29.4,28.6,27.6,28.1,28,28.5,27.3,26.8,25.8
1999,26.9,26.9,29.1,29.7,29,29.1,29.6,29.1,28.4,28,28.4,28.8
2000,27.9,28.7,28.7,29.4,29,29.1,29.2,29.5,28.2,28.5,28,28.7
2001,29.1,29.2,29.8,29.5,29.6,29.3,29.8,29.8,29.3,28.9,28.5,29.4
2002,29.8,29.9,29.6,29.2,29.5,29.4,30,29.6,28.7,27.1,26.2,27.1
2003,27.9,30.1,28.8,28.9,29.7,27.5,27.8,29.4,28.6,27,25.7,27.4
2004,27.2,27.5,28.1,28.6,29.1,29.7,29.5,28.1,27.2,29,26.1,25.6
2005,26.6,27.7,28.2,29,29,28.1,30.6,29.7,29.1,26.1,26,25.3
2006,26.8,29.9,27.5,27.5,27.3,27.7,28.4,28.6,29,26.8,27.7,26.6
2007,26.4,28.3,28.2,28.4,27.8,27.6,29.9,28.5,28.4,26,27.7,25.3
2008,28.3,29,28.6,29.1,28.3,28.8,29.3,28.8,28.5,27.6,27.1,27
2009,28.1,29.1,27.8,28.6,28.6,29.2,30,29.7,29.7,28.6,28.4,29.4
