1901,28.6,27.9,28.7,28.3,27.8,26.7,26.1,26.1,27.4,28.6,29.8,28.2
1902,28.7,28,28.2,28.9,28.2,26.7,26.5,26.3,28.8,29,29.4,28.6
1903,28.3,27.9,28.7,28.8,28.4,27.3,26.1,26.8,27.1,28.3,28.9,28.4
1904,27.8,27.8,28.4,28.3,28.2,26.5,25.8,26.8,27.2,29.2,29.7,28.8
1905,28.4,27.9,28.3,28,28.3,27.5,26.1,26.9,27.3,29.3,28.8,28.4
1906,28.9,28.1,29,28.8,28.1,26.7,26.1,26.4,27.6,28.6,28.9,28.4
1907,28.2,28,28.1,28.5,28.1,26.8,25.4,26.6,28,29.7,29.1,28.1
1908,28.4,27.8,28.8,28.6,27.6,27.1,26.1,27,28.4,29.7,29.5,28.3
1909,28,27.9,28.4,28.5,27.7,26.1,26.6,26.6,28.4,28.3,29.3,28.2
1910,28.3,28,28.4,28.8,27.7,26.2,25.9,26.8,28.1,29.2,28.2,28
1911,28.1,27.5,28.2,27.8,27.6,26.5,26.3,26.6,28,29.2,28.9,29.2
1912,28.6,27.7,29,28.8,28.4,26.9,26.2,27,28.8,29.2,29.8,28.6
1913,27.9,27.7,28.9,28,28.6,26.6,25.8,27.2,28.2,29.6,29,28.3
1914,28,28.3,28.5,28.8,28.1,27.1,26,27,28.3,29,28.6,29.1
1915,28.4,28.1,28.6,29,28.2,26.7,26.6,26.3,27.8,29.6,29.1,28.5
1916,28.3,27.8,28.7,28.7,27.8,26.6,25.3,26.8,27.9,28.9,28.4,27.7
1917,27.8,27.2,28.1,28.4,28.4,27,26.5,26.7,27.6,27.8,28.8,27.8
1918,28.4,27.6,28.3,28.1,27.8,26.9,25.9,26.4,27.9,29.2,29,28.7
1919,28.3,28.1,28.7,28,27.3,26.6,25.5,27.4,28.8,28.9,29.6,28.9
1920,28.1,27.8,28.4,28,28.1,26.1,25.4,26.8,28.8,29.6,28.8,28.1
1921,28,27.8,28.1,28,27.8,26.6,26.1,26.7,28.1,29.3,28.9,28.1
1922,27.7,27.7,28.4,27.5,27.7,26.3,25.5,26.6,27.5,28.7,29.1,28.8
1923,28.5,28.1,28.8,28.9,28.4,26.7,26.6,26.4,28.4,29.2,29.5,28.7
1924,28.3,27.9,28.9,28.4,28.3,26.8,26.5,27,28.2,28.8,29,28.3
1925,28.1,27.9,28.3,28.8,27.6,27.5,26.8,26.5,29,29.3,29,28.7
1926,28.8,28.4,29.3,29.4,28.5,27.6,26.6,27.2,28.8,29.4,29.8,28.8
1927,28.3,28.1,28.3,28.6,28.1,26.9,25.8,27,28.2,29.2,29.1,29
1928,27.9,28.2,28.8,29.2,28.6,26.6,26.2,26.9,28.1,29.3,29.3,28.5
1929,28.6,27.3,29.1,28.9,28.1,27.2,26.6,26.9,28.2,29.8,29.4,28.3
1930,27.8,28.3,28.4,28.6,27.4,26.5,25.9,26.2,28.9,28.8,29.4,28.7
1931,27.8,27.8,28.2,28.3,27.7,26.4,26,26.4,27.4,28.2,28.3,28.2
1932,28.3,27.7,28.6,28.1,27.3,26.6,26.1,26.7,27.5,28.5,29.3,28.4
1933,28.2,27.6,28.1,28.4,27.8,26.5,26.1,26.6,27.2,28.9,29.4,28.4
1934,27.9,27.6,28.6,28.6,28.2,25.8,26,25.8,27.4,28.7,29.1,28.1
1935,28.3,27.9,28.9,28.2,28.4,26.7,25,26.9,28.6,29.3,28.8,28.3
1936,28,28.6,28.9,28.7,28.4,26.3,25.8,26.3,27.9,29.8,29.4,28.4
1937,28,28.1,28.3,28.8,28,27.3,26,26.6,29,28.9,30.3,28.7
1938,28.4,28,28.9,28.8,28.3,26.4,26.5,27.1,28.1,28.9,28.5,28.9
1939,28.4,28.3,28.6,28.8,28.6,27,26.5,26.5,28.5,29.3,29.4,28.2
1940,27.8,27.8,28.2,28.3,27.6,26.4,26,26.3,27.4,28.1,28.4,28.3
1941,26.9,28.2,28.7,28.9,28.1,26.8,25.8,26.7,28.1,28.6,28.5,28.6
1942,28,28.9,29.2,29.2,28.2,26.3,25.2,26.1,27.2,27.8,28.6,28.5
1943,27.8,27.6,28.1,28.8,28.3,26.1,25,26,26.6,26.9,27.5,27.7
1944,27.2,28.2,28.6,28.4,28.3,27.2,25.5,26.2,27.9,28.6,29.9,29.1
1945,28.1,27.7,29,29.3,28.2,26.1,26.3,26.7,27.7,29.1,29.4,28
1946,27.2,28.2,28,28.9,28.4,26.9,26.3,26.9,26.8,28.6,29,27.7
1947,27.7,28,28.2,28.5,28.2,27,26.8,26.8,27.4,28.3,28.6,28.8
1948,27.8,28.3,28.4,29.1,28.8,27.2,25.9,26.7,27.9,28.7,28.8,27.7
1949,27.8,27.5,28,28.1,27.8,26.6,25.9,26.5,27.5,28.5,28.6,28.4
1950,27.9,27.6,28.4,28.9,27.7,26.8,26,26.7,27.4,28.8,29.2,28.8
1951,27.2,27.5,27.7,28.7,28.1,27,26.5,26.8,27.7,28.8,28.8,28.3
1952,27.6,28,28.4,28.1,27.7,26.4,26.1,26.2,27.7,27.9,28.1,28.5
1953,28.1,28,28.5,28.7,28.2,27.3,26.5,26.4,27.2,28,28.3,28.1
1954,27.4,27.6,27.8,28.2,28,26.7,26.3,26.9,27.8,28.1,28,28.3
1955,28.3,27.4,27.6,28.4,27.7,26,25.7,26.2,27.2,27.8,28.3,28.2
1956,27.3,27.7,28.3,27.9,26.9,25.9,25.2,26.2,27.3,27.9,27.9,28.5
1957,27.4,26.7,27.6,28.2,27,26.2,25.7,26.1,27,27.9,28.1,27.9
1958,28.3,27.9,27.9,28.7,27,26.4,25.9,26.7,27.9,28,28.1,28.3
1959,28.2,27.9,27.5,27.9,27.1,26.1,25.2,26,27.1,28.3,28.3,28.1
1960,27.6,28.1,28.2,28.3,27.8,26.8,25.6,26,26.9,27.5,27.6,28.1
1961,28.4,28.5,28.7,28.8,28.4,27.2,26.8,26.9,27.8,28.8,29.2,28.2
1962,27.9,28.1,28.6,28.4,27.4,26.4,26.2,26.9,28,28.4,28.6,28.6
1963,28.5,27.8,28.6,28.9,27.5,26.7,25.9,25.7,27,28.2,29,28.5
1964,28.3,28.4,28.7,28.5,27.2,26.3,25.5,26.1,27.1,27.7,27.8,28.3
1965,27.7,27.6,27.9,28.1,27.4,25.8,26,26.4,27.7,28.5,28.9,28.1
1966,28.4,28.3,28.6,28.5,28,27.2,26.8,26.8,27.9,28.3,28.4,28.5
1967,27.6,28.2,28.5,28.6,28,26.9,26.8,27,27.7,28.5,28.9,27.6
1968,27.5,27.8,27.9,28.2,27.3,26.5,26.4,26.4,27.2,27.9,28.3,28
1969,28.1,27.7,29.1,29.3,28.6,26.7,26.5,26.5,27.4,28.6,28.7,28.9
1970,28,28.4,28.5,28.4,28,26.8,26.9,27.2,27.7,28,28.2,28.1
1971,27.5,27.3,28.1,28.5,26.8,26,25.7,25.2,26.4,27,27.3,27.4
1972,27.4,27.5,27.2,28.1,27.8,26.1,26.4,26.4,27.1,28.2,28.6,28.6
1973,27.6,27.7,28.2,28.5,28.1,26.5,26.1,26,27.2,27.6,27.7,27.7
1974,27.7,27.2,27.3,28.2,27.1,25.8,25.4,25.8,26.4,27.3,27.5,27.9
1975,27.5,27.6,27.5,28.2,27.7,26.1,25.8,25.6,26.4,27.4,28.2,27.1
1976,27.2,27.2,27.6,27.8,27.4,26.7,25.7,26,27.5,27.8,28.2,28
1977,27.9,27.3,27.9,28.1,28,27.1,26.1,26.7,27.5,28.4,28.6,28.6
1978,27.8,27.8,27.8,28.2,27.6,26.7,26,26.2,27.2,28.1,28.1,28.1
1979,27.9,27.7,28.2,28,27.7,26.4,26,26.4,27.5,28.4,28.4,28.5
1980,27.5,27.9,28.1,28.4,27.1,26.3,26.4,26.7,27.3,28.1,28.4,27.9
1981,28.3,28,28.3,28.2,27.4,26.2,25.9,26.5,27,28.3,28,28.5
1982,28.2,27.4,28,28.4,27.9,27,26.1,26.5,27.7,28.3,28.7,28.2
1983,28.1,28.1,28.7,28.7,27.8,27,26.4,26.2,27,28,28,27.8
1984,27.2,27.1,27.8,27.5,26.4,25.4,25.3,25.2,26.4,27.6,28.1,27.7
1985,28,27,28.1,28,27.3,25.9,25.6,26,26.9,27.5,27.9,28.7
1986,27.6,28,27.8,28.4,27.6,25.9,25.3,26.1,27.1,28,28.4,28.1
1987,27.6,27.7,28.9,28.7,28,26.2,26.5,27.3,27.5,29,28.6,28.7
1988,28.4,28,28.7,28.3,27.3,26.8,25.9,26.4,27.1,28.5,28.4,28.7
1989,26.9,27.2,28.3,27.9,27.4,26,25.6,25.5,27.1,27.4,27.9,28
1990,27.5,28,28.6,28.4,27.4,26.4,25.3,26.1,27.6,28.4,27.3,28.1
1991,28.2,27.9,28.3,28.1,27.5,26.4,25.7,26.3,27.9,28.6,28.7,28.2
1992,28.1,28,28.9,28.8,27.9,26.6,25.1,26.4,27.4,28.3,28.9,28.9
1993,28.6,27.8,27.8,28.6,28.1,26.7,25.6,26.4,26.9,28.1,28.4,28.5
1994,28.2,28.2,28.7,29.3,28.7,26.9,25.3,27.4,28.1,28.2,27.9,28.3
1995,28.7,28.3,28.3,28.3,27.3,26.2,26.7,26.5,27.3,27.8,27.8,28.3
1996,27.9,27.6,28.3,28.1,27.2,26.2,25.3,25.7,27.8,27.1,28.2,28.3
1997,27.7,26.8,29.1,28.7,28.4,26.4,25.9,26.6,27.7,28.1,30,29.1
1998,28.9,29,29.2,28.9,28.3,27.2,26.4,26.7,27.3,28,29.1,27.9
1999,28,28.3,29.1,28.1,28.1,26.6,26.1,26.4,27.8,27.8,28.8,28.7
2000,28.8,27.9,28.2,27.8,28.7,26.3,25.7,26.3,27.6,27.9,28.3,28.6
2001,28.3,28.1,28.3,28.9,28.3,26.6,26.1,26.6,27.5,27.8,29.1,28.7
2002,27.6,28.5,28.3,28.5,27.6,26.1,26.3,26.1,26.2,28,28.6,28.3
2003,27.9,27.6,29.3,28.2,28.2,26.2,26,26.6,27.1,28.1,28.7,27.9
2004,27.7,28.4,28.3,27.9,26.9,25.5,25.7,26,27.4,28.3,28.2,28.2
2005,28.1,28.9,28.7,28.8,27.9,26.7,26.2,26.9,28.2,28.7,29,28.3
2006,28.5,28.5,28.9,28.5,28.4,26.7,26.3,27,27.8,28.5,29,28.5
2007,29.1,28.8,28.9,28.8,28.6,27,26.3,27.3,28,28.7,28.9,29
2008,28.6,28.3,28.3,28.5,27.8,26.3,26.1,26.8,27.8,28.8,28.9,28.5
2009,29.1,28.7,29.2,28.7,28.5,27.4,26.6,27.2,27.9,28.8,29,29.1
