1901,26.9,27.3,26.4,24.5,22.8,21.2,22.3,22.7,22.5,23.4,23.9,24.7
1902,26.8,28.2,26.7,25.2,23.9,22.8,23.3,22.9,22.4,24.2,28,28
1903,26.4,28.7,28,24.1,22.2,23,21.5,23.2,23.5,24.9,26.4,27.6
1904,27.3,28.3,26.8,23.9,21.8,21,21.3,22.7,23.5,24.4,25.1,25.6
1905,26.9,28.6,25.7,24.6,24.2,22.6,22.2,23.5,23.4,25.6,25.7,27.6
1906,25.8,27,26.3,25,24.5,23.3,23.4,23.7,23.4,25.1,25.7,26.3
1907,26.2,27.4,26.9,24.6,22.1,23.1,21.5,21.9,24.3,24.1,25.4,27.1
1908,27.4,27.4,26.2,25.2,23.6,22.8,22.5,22.8,23.2,24.2,26.2,27.2
1909,27.9,29.2,27.5,24.7,22.4,21.8,22.4,23.1,23,23.5,24.9,25.6
1910,28,27.4,27.3,25.6,22.2,22.7,21.2,23.6,23.2,22.5,24.5,25.2
1911,28.1,27.3,26,24.8,22.7,19.9,20.1,22.6,22.9,24,27.6,27.5
1912,27,28.5,27.2,24.7,24.1,22.1,20.8,23.8,21.4,22.8,26.9,25.9
1913,26.7,27.8,27.6,25.6,23.1,20.8,23.2,22.8,23.9,24,25.2,24.7
1914,27.7,28.4,28.4,24.6,22.2,24.3,23.6,23.7,25.3,25,27.5,25.9
1915,28.1,28.2,27.3,26.2,26.2,22.8,22.8,24.5,23.8,24,24.7,26
1916,26.6,26.7,26.8,24.4,24.4,23.5,22,23,24.3,23.5,25.5,25.6
1917,27.3,27.6,26.2,23.8,22.1,20,20.9,21.5,23,23.8,23.8,26.1
1918,27.1,27.9,27.4,24.8,24.2,21.5,21.1,21.4,22.4,24.3,25.7,25.8
1919,26.1,26.9,26.2,25.6,24.7,22.8,22.1,22.7,23.7,25.3,27.5,27
1920,27.5,28,27.3,25.1,23.4,22.2,22.7,21.5,23,24.4,26.5,25.8
1921,27.5,28.9,27.8,24.9,23.1,21.9,21,24,23,23.4,24.8,25.6
1922,28.2,28.3,27.6,25.3,23.9,22.5,22,24.5,23.9,24.1,26.1,26.4
1923,28.1,28.1,27.8,26.7,23.7,22.6,20.3,23.3,23.6,24.5,26.2,28.1
1924,26.7,27.1,27.9,26.3,23.7,22.3,22,22.6,23,22.7,25.3,26.1
1925,27,27.7,26.1,25.4,24.3,20.8,20.3,24.6,23.9,22.9,25.4,27.4
1926,27.5,26.8,27.2,25,23.2,22.9,22.4,23.2,24.6,25,26.5,26.6
1927,27.4,27.9,27.6,25.8,23.5,21.5,21.6,22.6,23.1,24.8,26.1,26.6
1928,27.2,28.4,27.7,26.6,24.1,23.5,22,22.8,23.6,24.4,25.5,26.5
1929,27.5,28.1,26.9,23.9,22.3,22.4,21.5,23.7,23.9,25.8,24.4,28.1
1930,28.9,28.7,28.4,25.1,23.5,24.2,22.7,23.5,23.4,25.2,25.1,26.2
1931,27.8,27,27.3,25.8,23.2,22.2,22.2,22.2,22.5,24.3,25.1,26.6
1932,26.9,28.6,27.6,26.6,23.3,21.8,23.6,22.4,24.3,25.7,26,27.2
1933,27,28.4,27.1,24.1,23.1,21.4,21,22.9,22.9,24.6,24.5,24.6
1934,27.7,28.4,28,25.6,24.4,23.3,21,22.7,23.6,23.6,25.8,26
1935,27,28.3,28.5,24.8,22,23.2,23.8,23,23.7,25,25.9,27.8
1936,28.7,27.7,27.4,25.5,26.2,24.4,22.3,22.2,22.5,24.6,25.7,26.3
1937,26,28.7,27.5,25.5,22.8,22.8,22.7,24.8,22.5,24.3,24.8,24.9
1938,28.8,28.2,28.8,25,23.7,22.5,21.4,23.1,23.4,25,26.1,25.7
1939,27.8,28.3,28.8,25.5,24.7,23,21.7,23.4,22.8,24,25.7,25.9
1940,27.8,27.4,27.9,26.8,25,23.2,22.6,23.6,23,24.7,25.2,28.7
1941,28.1,29.9,27.8,27.3,25.9,22.4,22.4,25.6,22.5,25,27,27.6
1942,29.3,30.8,28.7,25.7,24.2,22.8,21.3,23.8,23.5,25.4,26,25.6
1943,27.2,28.4,28.5,23.9,23.8,23.1,22.2,21.5,22.9,25,25.8,25.1
1944,28.5,28.5,28.7,24.6,23.3,23.3,20.9,23,24.6,27,25.2,26.9
1945,28.1,29.7,27.4,25.3,23.4,22,22.1,24.7,23.3,25.7,25.9,26.2
1946,29.1,31,27.8,24.5,25.6,22.9,23.2,25.2,25.3,26.5,26.4,27.8
1947,28.8,29.9,26.4,25.3,25.3,23.4,21.9,22.9,24.3,24,24.3,26.7
1948,29.4,29.4,26.6,25.7,24,23.1,24.1,23.8,24.2,25.5,26.1,27.1
1949,28.5,28.5,28.5,25.2,23.2,23.3,21.7,23.4,24.1,24.5,25.1,26.4
1950,28.5,29.3,28,26,25.2,23.1,22.7,24.9,25.3,25.9,25.1,27.8
1951,28.8,28.2,27.2,24.5,24.4,22.3,21.1,22.6,24.4,26.5,26.5,24.9
1952,28.8,28.7,27.7,24.9,24.4,23.2,23.2,24.9,24.6,26.7,26.6,27.9
1953,30,29,29.2,25.8,24.3,23.5,21.7,24.5,25.8,26.4,26.2,26.3
1954,30,30.4,28.8,25.2,24.7,24,23.7,23.5,25.7,25.3,26.4,27.9
1955,28.6,30.1,29,25.8,24.1,23.1,23.1,23.2,25,24.1,24.6,27.3
1956,30.4,29.4,27.6,25.6,22.7,20.6,21.8,22.4,25.3,24.7,24.4,26.2
1957,28.4,29,27.4,25.5,22.9,22.3,22.4,24.4,23.6,26.7,25.3,27.1
1958,28.1,30.3,27.9,26,24.1,22.7,22.7,25.3,24.7,26.5,28.2,29
1959,29.3,30.3,27.4,28.6,24.8,22.8,24.3,24.6,25.9,26.9,26.3,26.8
1960,28.3,28.2,26.6,25.6,23.1,22.5,23.1,24.2,24.8,27.8,26.1,26.5
1961,28.6,29,28.1,26.7,24.3,23,23.3,25.2,27.3,27.8,27.4,27.5
1962,28.2,28.1,28,25.5,23.3,20.8,21.8,23.5,24.5,24.6,26.1,25.9
1963,29.8,28.6,29.1,26.1,23.5,22.6,22.8,24.3,26.1,27.2,27,27.4
1964,27.5,28.5,27.6,25.4,23.2,21.8,20.8,24,25.1,25,25.3,26.8
1965,27.3,29,27.5,26.2,24.5,23.3,22.9,25.2,25.9,26.2,26.4,29.4
1966,29.6,30.8,29,25.5,24.3,23.9,23.7,23.5,24.2,26.8,26.3,28.6
1967,28.8,30,27.7,25.7,24.3,23.2,22.3,25.6,25,27.5,25.7,25.9
1968,29.1,28.1,27.6,24.3,21.7,21.5,22.5,22.8,24,25.3,26.1,28.9
1969,29.6,30.5,27.8,25.5,25.1,23,23,24,24.7,24.8,26.8,26.5
1970,28.7,29.8,28,25.5,25.1,23.8,22.5,22.9,23.8,24.5,24.7,29.5
1971,29.6,29.6,28.5,25.9,24.1,22.4,22.9,23.5,23.6,24.3,25.1,27.2
1972,28.8,28.7,28.4,25.8,24.7,25.2,23.3,24.8,24.6,25.7,26.7,27.5
1973,29.8,30.4,27.9,27.8,24.2,24.5,24.3,23.5,23.6,25,25.6,27.6
1974,27.8,28.2,27.3,25.4,24.4,22.2,23.1,24.2,24.6,25.5,27.4,25.9
1975,27.5,29.1,28.7,24.6,23.2,22,21.7,25.1,24.6,25.4,26.5,27.5
1976,28.4,28.6,28.5,26.3,23.8,22.8,21.9,23.9,23,23.9,26.5,26.3
1977,27.7,29.2,28.2,25.9,25.1,23.5,24.8,25,23.8,25.3,25.9,25.9
1978,28.2,28,27,25.2,23.8,21.7,23.5,23.3,23.8,26,27,26.9
1979,25.5,27.4,26.7,25.2,25,22.1,22,24.5,23.4,26.3,26.2,27.1
1980,27,29.1,29.8,25.9,25.5,24.1,23.4,24.8,23,25.2,26.8,27.6
1981,28.8,29.3,28.9,25.2,25.1,23,21.7,23.8,24.8,23.7,27.1,26.7
1982,26.3,28.5,26.6,24.1,22.8,23.9,23.4,24.2,23.7,25.4,27.6,25.9
1983,27.5,28.7,28,25.8,25.3,23.1,23.1,22.9,21.8,23.8,26.8,26.9
1984,29.5,29.3,27.6,25.4,26.1,24.2,23.7,22.8,23.3,25.7,26.2,25.7
1985,26.3,28.8,28.3,27.1,23.9,21.5,22.4,24.5,23.1,25.1,26,25.8
1986,28.4,29,28.4,27.1,25.7,23,21.8,24.1,23.4,25.1,27.2,26.5
1987,28.9,28.7,27.8,26.9,24.5,22.7,24.5,23.7,23.1,25.3,26.7,27.4
1988,30.5,28.4,28.1,26.1,23.9,21.6,20.7,23.7,24.5,24.3,25.8,26.3
1989,28,28.3,28.3,27.3,23.4,23,21.9,23.5,23.8,23.1,26.9,25.8
1990,29.4,28.7,28.8,28.1,23.6,23.4,21.8,22.5,23.3,25.7,27.8,26.8
1991,26.7,28.1,28,26.7,24.9,24.6,22.5,23.9,23.1,25.1,26.9,27.9
1992,27.1,27.6,28.2,27,25.9,24.4,23.1,22.7,23,24.9,26.3,26.5
1993,28.3,28.7,29.1,27.7,23.9,23.1,24.4,23.4,24.8,25.8,28.8,27.3
1994,27.5,30.8,28.4,26.1,24.7,23.1,23.6,22.3,24.2,25.8,27.1,27.7
1995,30.2,28.7,28.2,26.3,23.5,23.2,24.3,26.1,24.7,24.4,26.3,26.1
1996,28.7,28.6,28.3,27.7,22.6,22.8,21.4,22,22.4,24.4,25.7,27.4
1997,27.7,28.8,27.6,26,23,22.5,23.9,24.1,25.1,27.9,28.6,29.1
1998,29.8,29.8,29.3,27.1,24.2,22.9,23.1,25.7,24.8,24.5,26.9,27.6
1999,28.8,28.8,28.6,26.3,23.3,23.1,22.9,23.1,24.4,23,26,26.6
2000,27.9,28.2,27.8,26.2,23.7,22.3,22,23.7,23.6,27.3,26.4,27.1
2001,29.7,30.7,29.1,27.7,25,24.1,24,24,24.1,26,27,27.2
2002,28.9,28.2,29.4,27.8,25.7,24.8,23.7,25.8,23.9,27.9,27.5,28
2003,26.4,30.5,28.9,27,24.8,25,23.9,24,24.5,26.1,27.1,28
2004,28.8,28,27.6,26.5,24.6,23.1,22.6,24.1,26,25.9,27.2,27
2005,28.8,29.2,28.5,27.5,25.1,24,23.5,25.2,24.4,27.4,25.9,26.5
2006,29.9,30.2,28.3,26.5,24,22.9,23.9,25.1,24.1,25.7,26.2,27.5
2007,28.8,29.1,29.5,27.2,24.5,24.4,23.8,24.5,25.2,27,27.1,28
2008,28.1,29.1,27.8,27.8,24.6,23.9,23.6,25.2,24.3,27,26.7,26.7
2009,28.7,29.6,29.1,26.5,25.1,23.6,24.6,24.5,25.8,26,28.7,27.3
