1901,28.7,28,28.8,28.1,26.1,25.6,25.5,26.8,29.1,30.7,31.1,29.5
1902,28.6,28,28.5,28.5,26,26.1,26.2,27.3,29.6,30.7,31.2,29.9
1903,28.8,28.3,28.7,28.6,26.5,26,25.6,27.2,30.4,31.5,30.9,29.3
1904,28.4,27.6,28.1,28.2,25.7,26.2,25.5,26.8,28.7,31,31.2,29.1
1905,28.7,28,28.3,27.9,26,26.7,25.5,27.3,29.8,31.8,31.2,29.8
1906,29.2,27.8,28.5,27.9,26.2,25.9,25.7,26.8,29.3,30.9,30.6,29.5
1907,28.8,27.8,28.5,28.1,26.1,25.8,25.2,26.3,29.1,31.2,30.9,29.7
1908,28.7,27.9,28.6,28.4,25.6,25.9,25.7,27.2,29.5,31.6,31.4,29.7
1909,28.7,28.2,28.7,28.2,26.1,25.7,25.8,27.1,29.3,31.2,31.1,29.8
1910,28.8,28,28.5,27.9,25.8,25.8,25.6,26.9,29.1,30.8,31,29.5
1911,28.5,27.7,28.3,27.9,26,25.4,25.2,26.7,28.8,31.4,31.3,30.3
1912,29.2,28.4,28.4,28.6,26.8,25.7,25.4,26.6,29.5,31,32,29.3
1913,28.7,28.1,28.5,28.2,26.1,25.5,25.9,27.1,29.6,31.6,31.6,29.9
1914,29.1,28,29.2,28.4,26.5,26.2,25.6,27.2,30,31.9,31.7,29.9
1915,29,28.1,28.8,28.6,26.1,26.2,26.4,27.1,29.8,31.9,31.7,30
1916,29,28.3,29.1,28.5,26.1,26,25.8,26.8,29.7,31.9,31.2,29.8
1917,29.1,28.7,28.9,28.3,26.6,26.3,26,27,29.3,31.4,31.4,29.2
1918,28.2,27.9,28.5,27.8,25.9,25.5,25.5,26.2,29.4,32,31.5,29.8
1919,28.9,28,28.8,28.6,25.6,25.8,25.6,26.6,29.3,30.8,31.1,29.9
1920,29.2,28.4,28.7,28.1,26.5,26.1,25.8,27,30,32,31.6,30.1
1921,29.1,28.5,29,28.3,26.1,26.1,25.7,26.7,29.4,31.5,31.2,29.6
1922,29.2,28.1,28.9,28.5,26.5,26.2,25.7,27.8,29.9,31.3,31.7,30
1923,29.1,28.2,28.7,28.5,26.1,26.1,25.9,26.8,30.2,31.4,32.6,29.9
1924,28.5,28.7,29.7,28.5,26.4,26.3,25.6,26.8,29.3,31.1,31.2,29.5
1925,28.6,28,28.9,28.8,26.6,26.9,26,27.4,28.8,31,31.5,30
1926,29.3,28.9,29.2,28.3,26.2,26.4,25.5,27.3,29.3,31.4,31.8,29.7
1927,29.3,28.3,28.9,28.3,26.2,25.9,26,27.3,29.8,31.6,31.6,30.5
1928,29.8,28.2,28.7,28.1,25.7,26.2,25.9,26.9,30.1,31.4,32.4,30.3
1929,28.8,28.5,28.8,28.1,26.5,26.3,26.2,26.9,30.2,32.2,32.3,30.2
1930,28.6,28.5,28.6,28,25.6,25.4,25.4,26.9,29.8,30.9,32.3,30.3
1931,28.7,28.7,28.8,28.2,26.4,25.7,26,27.7,30,31.9,31.5,30
1932,28.9,28.2,28.8,28.1,25.2,25.5,25.4,26.7,29.7,31.6,31.6,30.1
1933,28.5,28.1,28.4,27.9,25.8,25.6,25.6,26.9,29,31.5,32.1,29.1
1934,28.3,26.8,27.6,27.6,26.2,25.7,25.3,26.7,28.9,30.8,30.6,29.1
1935,29.2,26.9,28.3,27,25.6,25.7,24.9,25.6,29.7,32,30.9,29.3
1936,28.2,27.4,28.4,26.7,25.7,26.1,25.1,26.1,28.3,31.5,32.1,29
1937,28.3,28,28.5,27.3,26.1,26.2,25.5,26.4,29.8,31.3,31.9,29.6
1938,29,28.2,28.2,28.5,26,26.3,26.3,27.3,29.7,31.6,31.5,29.5
1939,28.6,28.4,27.4,27.1,25.2,24.4,25.3,26.8,28.6,31,30.8,29.8
1940,28.3,27.7,27.9,27.6,25.8,25.6,24.9,26.6,29.6,30.2,31.3,30.8
1941,28.8,28.8,28.5,28.4,26,25.2,25.5,26.4,29.9,31.5,31.1,29.9
1942,29.9,29.3,29.3,28.1,25.9,26.2,24.9,26.9,29.8,30.7,30.6,30.4
1943,29,27.8,28.9,28.7,25.8,25.3,25.2,26.8,28.8,30.9,32,30.8
1944,29.6,28.5,28.5,28.3,25.5,26,25.7,26.7,29.6,31.6,31.1,29.9
1945,29,28.3,29.4,28.7,26,24.7,24.8,26.5,29,32.1,31.1,31
1946,30.1,29.2,29,28,26,25.3,24.6,25.9,28.4,31.5,30.9,30.7
1947,29.7,28.9,28.7,28.3,25.4,25.3,25.4,26.2,29.4,31.2,31.7,29.5
1948,28.7,27.7,28.1,27.8,25.7,25.6,25.6,26.7,29,31.7,31.7,30.4
1949,29.9,27.6,28.6,28.3,25.7,25.5,26.2,28.6,29.8,31.7,32.1,29.9
1950,27.5,27.1,27.9,27.9,24.5,25.1,25.8,26.6,29.1,29.8,30.8,29.5
1951,28.3,26.8,27.9,28.4,25.8,25.8,25.8,27.4,29.7,31.8,31.5,29.4
1952,29.4,27.5,28.3,27.7,25.5,25.4,25.7,27.6,30,31.4,30.7,30.5
1953,29.3,28.5,28,28.5,26,25.6,25.5,27.1,28.1,31.2,33.2,29.1
1954,28.1,28.1,27.9,28.2,26.3,25,25.8,27.2,29.7,31.9,30.9,29.6
1955,28.8,27.4,27.7,27.6,25.2,25.4,25.8,27.1,29.1,31.9,32.3,29.3
1956,27.5,27.3,28.2,27.1,25.5,25.1,25.2,27.4,28.8,31.4,31.6,29
1957,28,26.7,28.1,27.5,25.2,26.4,26.7,27,30,31.9,34,29.1
1958,29.6,27.7,28.3,29.6,26.3,25.8,25.4,26.6,30.5,32.1,32.4,29.6
1959,29.4,27.4,28.4,28.3,27.9,26.4,25.8,26.9,29.4,31,31.3,29.3
1960,28.5,27,27,27.5,26.2,25.8,24.6,27.5,28.9,31.4,31.7,30.7
1961,29.6,27.6,28.4,28.4,27.4,26.5,24.6,26.1,29.1,31.8,30.2,28.1
1962,27.4,27.3,28.1,27.9,25.1,27.1,25.8,27.3,29.5,30.9,31.4,29.6
1963,28.3,27.6,27.5,27.1,25.3,25.9,27,27.6,29.5,32.7,28.5,28.7
1964,28.4,28.2,28.6,28.6,25.4,26.8,24.6,26.5,28.8,31.4,31.8,29.7
1965,28.2,27.1,27.8,27.7,25.3,26,25.9,27,28.5,30.4,31.7,29
1966,29.3,27.9,28.2,28.2,26.8,25.2,26.2,27.6,29.8,31,31.1,29.7
1967,29.4,28.2,28.1,27.8,25.7,25.9,25,26,28.6,31.5,30.3,28.6
1968,28.3,27.3,27.5,27.6,26.4,25.3,25.6,28.4,29.4,31.5,30.5,28.9
1969,28.8,27.8,28.7,28.6,25.8,26.4,25.7,26.9,29.2,32.1,31.9,29.7
1970,28.1,28.2,28.5,28.2,27.2,26.4,27.1,27.4,29.9,31.3,31,28.1
1971,28.2,27,28.8,27.9,25.9,25.4,25.4,27.5,28.9,30.5,30.9,29.4
1972,28.8,26.5,28.6,28.1,26.1,26,25.6,27.5,30.2,30.8,30.1,29.1
1973,29,28,29.8,26.9,27.6,25,25.4,26.8,30.1,31.4,31.7,29.4
1974,27.5,27.7,27.9,27.1,25.2,25.9,24.4,27.7,28.9,31.1,31.4,29.4
1975,29.1,28.3,27.8,27.8,26.8,25.1,26.2,25.5,29,30.3,31.6,29.7
1976,28.2,27.3,28.2,27.8,25.2,25.2,25.6,26.4,29.5,31.1,32.9,31
1977,28.5,28.6,29.1,28,26.5,26.4,25.6,26.9,29.7,31.7,30.8,30.1
1978,28.3,27.9,27.2,27.7,26.2,24.9,24.9,27.8,30.7,31.4,29.9,28.2
1979,29.1,27.7,28,27.4,25.8,25,25.5,27.7,29.8,31.1,30.6,29.8
1980,28.9,29.2,28.5,28.1,26.3,25.7,24.6,26.1,29.7,30.6,32.4,29.1
1981,30.5,28.6,29.7,28.3,25.2,26.3,26.2,27.4,29.4,30.5,33.3,31.1
1982,29.8,29.1,29.1,27.8,25.1,26.3,25.7,26.3,29,29.9,30.4,30.4
1983,30.2,29.8,30.2,29.6,28.1,27.1,26.6,25.9,30.4,31.1,33.3,29.8
1984,28.4,27.7,29.3,28.2,26.6,25.2,25.1,26.6,30.8,31.5,30.7,29.4
1985,30.3,27.3,29.5,28.1,26.7,26.2,26.2,26.6,29.4,30.6,29.4,29.7
1986,28.7,29.2,28.5,28.6,26.6,25,26.3,27.6,29.4,31.1,30.7,29.4
1987,29.6,29.2,30.2,29.4,27.3,26.5,27.4,27.3,30.3,31,33.5,32.6
1988,29.6,29.5,29.8,29.9,26.5,27.2,26.9,27.6,29.9,31.3,30.9,30.4
1989,27.6,27.8,28.3,27.6,25.2,25.8,25.5,26.9,29.4,31,31.1,29.5
1990,29.3,28.5,29.6,29.3,26.4,27,26.9,26.8,28.9,32.6,33.3,31.2
1991,28.9,28.9,29.5,28.5,26.7,27.2,25.2,27.3,30,30.9,31.1,29.1
1992,29.3,29.5,30.1,29.6,27.2,26.6,25.5,25.9,30.2,30.3,31.7,30.3
1993,28.6,27.5,28.6,29.3,27,25.6,25.6,26.6,29.5,31.6,31.4,31.5
1994,28.5,28.5,29.4,28.3,25.7,27.1,23.8,26.5,29.6,30.6,33.1,30.9
1995,28.3,28.2,29,28.9,26.8,26.6,26.4,27.9,29.8,32.2,32.9,30.9
1996,29.4,27.7,28.9,27.7,26.3,25.9,26.9,27.7,30.4,31.2,32.2,30.9
1997,30.1,28.4,29.4,29,26.9,27.7,26.5,28.2,30.7,31.7,32.5,30.3
1998,29.5,29,30.2,28.3,27.6,26.7,27.1,28.2,29.4,31.7,32.8,30.7
1999,29.7,28.9,29,27.9,26.7,26.2,25.6,26.9,29.4,31,31.5,31.3
2000,29.5,27.9,28.8,28.7,27.9,26.2,25.6,26.9,29.7,31.4,30.5,29.2
2001,28,28.1,29.2,28.3,26.2,26.2,26.2,27.9,29.8,32.9,31.9,30.5
2002,28.9,28.1,29.3,28.3,26.5,26.1,27.4,27.5,29.4,31.9,31.8,30.7
2003,29.3,29,30.1,28.5,27,26.3,25.4,27.8,29.7,32.4,33.3,30.6
2004,30.2,28.8,29.8,28.1,25.8,26.1,26.4,28.3,30.2,31.5,31.2,29.2
2005,29.3,30.1,29.9,28.8,27.4,27.8,26,28.4,30.4,32.1,33.4,31
2006,29,28.3,28.9,27.7,27.6,25.7,26.2,27.9,28.7,32.1,31.8,29.5
2007,28.6,28,28.6,29,26.5,26.3,25.8,27.8,30.6,31,32,29.2
2008,28.8,28.1,28.7,28.1,27.5,25.4,25.9,27.3,30.3,32.2,32.7,29.9
2009,29.6,29.9,28.2,27.9,26.4,27.2,25.1,27.5,31,32.1,31.8,31.3
