1901,26.7,26.4,26.8,25.1,23,20.2,20.1,21.8,24.2,26.3,28,27
1902,26.7,26.4,26.3,26.1,22.8,21.3,21.6,22.9,25.5,26.4,28.2,28
1903,26.9,27.1,26.8,26.3,24.1,21.3,20.3,22.6,27,28.2,27.4,26.7
1904,26,25.7,25.3,25.5,22.2,21.4,19.9,21.8,23.3,27.2,28.3,26.2
1905,26.9,26.4,25.7,24.7,23,22.8,20,23,25.9,28.9,28.1,27.8
1906,27.9,26,26.4,24.7,23.3,20.8,20.5,21.7,24.7,26.7,26.8,27.2
1907,27,26,26.2,25.2,23,20.6,19.3,20.8,24.4,27.7,27.5,27.4
1908,26.7,26.3,26.6,25.9,21.8,21,20.4,22.8,25.3,28.6,28.7,27.5
1909,26.7,26.9,26.7,25.3,22.9,20.4,20.8,22.6,24.8,27.4,27.9,27.8
1910,27,26.5,26.2,24.8,22.4,20.5,20.2,22.1,24.4,26.7,27.1,27.1
1911,26.2,25.8,25.7,24.5,22.7,19.8,19.5,21.6,23.8,28,28.3,29
1912,28,27.4,26.1,26.2,24.7,20.6,19.9,21.5,25.4,27.1,30,26.8
1913,26.8,26.6,26.3,25.3,23.3,20.1,20.9,22.6,25.4,28.6,29.1,27.9
1914,27.7,26.6,27.8,25.8,23.9,21.7,20.3,22.8,26.3,29,29.2,28.2
1915,27.4,26.8,26.8,26.4,23.1,21.5,22,22.5,25.8,29.2,29.3,28.2
1916,27.4,26.9,27.6,26.1,23,21.1,20.6,21.9,25.6,29,27.9,27.6
1917,27.5,27.8,27,25.6,24.3,21.8,21.2,22.4,24.7,27.8,28.5,26.4
1918,25.8,26.3,26.3,24.3,22.5,20,20.1,20.4,24.9,29.4,28.9,27.8
1919,27.3,26.5,26.8,26.1,21.8,20.6,20.2,21.6,24.9,26.6,27.9,28
1920,27.9,27.4,26.7,24.9,24,21.2,20.6,22.4,26.5,29.4,29,28.4
1921,27.7,27.7,27.3,25.4,23,21.3,20.4,21.6,25,28.3,28.1,27.3
1922,27.8,26.6,26.6,25.8,23.8,21.5,20.4,24,25.9,27.8,29.2,28.3
1923,27.6,26.7,26.8,26,23.2,21.2,20.7,21.9,25.2,28.2,30.2,27.7
1924,26.3,27.2,27.6,24.7,23.9,21.7,20.6,22.1,25.4,27.8,28.4,27.2
1925,26.3,26.4,26.6,26,23.2,21.7,20.7,21.8,24.1,27.2,28.8,28.3
1926,26.9,27.8,26.9,25.2,23.1,20.9,20.5,21.7,25.2,28.1,28.8,27.6
1927,27,26.7,25.9,25.2,22.6,20.2,20.8,21.8,24.7,27.7,28.2,27.6
1928,27.5,26.8,26.9,25.2,22.4,21.8,20.1,21.8,25.7,28.5,29,27.6
1929,26.8,26.6,26.2,24.9,23.2,21.4,21.1,21.4,26,29,29.6,27.3
1930,26.4,26.5,26.6,25.4,22.2,20.3,20.3,21.8,25.5,27.1,28.7,28
1931,27,27.3,27.1,25.7,24.4,20.7,21.4,23.2,25.8,28.8,28,27.5
1932,27.1,27.1,26.4,25.4,22.7,20.8,20.2,21.3,26.1,28,28.1,27.4
1933,26.6,26.5,26.6,24.9,22.8,21.6,21,21.9,24,27.8,28.4,26.7
1934,27,26.4,26.4,25.6,23.8,21.4,21.3,22.7,24.3,27.5,27.8,26.8
1935,26.5,25.5,26,24,23.2,20,20.3,20.3,25.5,28.3,27.7,27
1936,26.7,27.1,26.5,24.8,23.3,20.9,20.9,21.5,24.1,27.9,28.5,27.2
1937,26.9,27.1,26.5,25.1,23,21,20.2,21.4,25.3,27.5,28.8,27.3
1938,26.8,26.7,25.9,25.9,23.1,21.1,20.9,21.9,25.2,28.5,28.2,27.3
1939,26.5,27.6,25.5,24.5,22.9,19.6,20.1,22,23.7,27.5,27.5,26.8
1940,26.5,26.4,26.8,25.2,22.7,21.1,20,21.8,25.8,25.8,28.2,28.7
1941,26.7,27.6,26.8,27,24.2,21.6,20.8,22.2,25.4,28.8,28.8,28
1942,28,27.2,27.7,25.6,23.3,22.7,20.8,22.8,25.4,26.4,28,28.3
1943,26.8,26,26.3,25.7,22.4,20.3,21,22.8,23.7,28.5,28.6,27.1
1944,27.8,26.9,25.8,25.2,22.6,21.1,21.3,22.5,24.8,28,28.3,27.3
1945,26.2,26.6,26.5,24.9,22.6,19.4,20,21,23.2,28.8,27.7,27.7
1946,27.5,26.9,26,24.9,22.2,19.8,19.7,20.9,24.9,28.7,27.6,27.4
1947,27.4,27.2,26.4,26,22.4,20.6,20.8,21.7,24.4,27.7,29.4,27.3
1948,27.2,27,27.2,25.7,23.2,20.8,21.2,21.4,24.1,28.3,28.1,28.6
1949,28.4,27.3,27.1,25.5,23.5,20.6,21,22.8,25.8,28.2,29.9,28
1950,26.7,26.7,26.7,25.8,21.3,20.2,20.9,21,24.2,26.2,27.3,28.3
1951,26,26.5,27.1,26.3,23.6,20.6,19.9,22.1,24.9,28.9,27.6,27.1
1952,27.4,26.9,26.5,25.7,22.3,20.7,21,23,25.6,28.1,26.7,27.6
1953,26.6,26.8,25.9,25.3,22.4,19.9,19.6,22.1,23,28.2,29.4,27.4
1954,27.4,27.4,26.6,26,24.4,20.2,20.8,22.5,25.6,29.3,27.6,27.3
1955,26.4,26.4,25.8,24.7,22.6,20.5,21,22,24.5,28,29,26.9
1956,26.5,26.5,26.4,24.5,23.7,21.5,20.2,22.9,24.4,27.7,26.7,25.8
1957,26.2,27.2,26.6,25.7,22.7,20.5,21.4,23.1,27.3,29.5,30.8,27.2
1958,26.8,26,25.8,25.7,23,20.4,19.4,20.9,25.5,27.5,29.2,28.7
1959,26.8,26.3,26.4,25.8,25,21.3,21.6,21.9,24.2,27.7,27.3,27.6
1960,26.8,27.2,25.9,25.1,23.3,21.6,20,23.1,25.1,28.2,28.7,27.7
1961,26.2,27.1,26.7,26.3,24.6,22,21.2,21.4,25.6,28.2,27.1,27.6
1962,25.6,26.5,25.8,25,21,20.9,20.4,22.7,24.8,28.4,27.8,25.8
1963,26,24.8,24.7,24,21.1,19.5,20.5,21.6,25.1,27.6,27.6,27.3
1964,26.3,27,27.8,25.3,22.3,20.5,19.3,21.5,24.1,28.6,27.5,25.5
1965,25.1,26.4,25.3,24,21.7,19.6,19.9,22.2,24,25.5,28.1,28.1
1966,27.3,25.8,25.7,24.9,23,21,21.3,22.8,25.2,26.6,28.4,28.5
1967,27.1,27.2,25.8,25.2,23.1,22,19.8,21.5,24.1,28,28,27.5
1968,28.1,26.4,25.9,24.8,23.3,19.4,20.8,22.5,23.9,27.9,26.4,27.1
1969,26.2,27.7,26.9,25.2,22.6,21.1,20.9,22.4,24.5,28.8,29.4,26.4
1970,27,27.2,26.9,24.8,23.1,21.4,21.6,23.4,26.9,27.4,27.7,26.5
1971,25.7,26.4,26.7,26.5,22.3,20.8,21.2,22.9,25.1,27.4,26.8,26.7
1972,25.8,26.2,26.2,25.5,23.8,19.6,20.3,21.7,25.8,27.3,27.3,29.7
1973,26.9,27.4,27.5,24.2,22.8,20.5,20.4,21.9,26,27.9,27.1,26.8
1974,26,25.4,25.3,23.5,22,20,20.3,22.4,24,26.9,28.2,26.2
1975,26.7,26.4,26,25.7,23.8,21.1,20.6,21.6,24.4,26.5,27.3,27.3
1976,26.9,26,25.4,24.7,21.8,20.8,20.1,20.7,25,27,30.2,27.8
1977,27,27,26.1,24.9,23.9,21,20.9,21.9,25.5,28.6,28.3,27.6
1978,26.8,26.9,25.9,24.9,22.7,20.1,19.2,23.5,25.7,28.3,28,25.8
1979,26.9,27.5,26.4,25.1,22.9,20.5,20.7,22.9,25.8,28.7,27.8,27
1980,27.5,27.9,26,26,22.9,20.1,19.9,21.7,25.2,26.7,29.8,26.8
1981,28.1,26.8,26.7,24.6,21.9,20.3,20,22.3,24.7,25.5,28.9,28
1982,27.1,26.8,27.2,25.3,22.1,21.5,21.2,22.2,23.9,26,28,28.5
1983,28.2,28.1,28.5,27,25.7,23.1,22.2,21.9,26.2,26.7,30.1,28.2
1984,28.8,26.9,26.3,25.1,24.4,21.3,22.2,22.2,25.8,28.5,27.5,27.1
1985,27,26.5,26.8,24.6,22.3,20.3,21.1,22.2,26,27.6,27.4,26.5
1986,26.1,26.7,26.3,25.9,23.1,20.4,20.9,22.7,24.9,26.6,27.4,27.4
1987,27.1,28.7,29,26.8,24.7,20.8,20.8,23.4,26.5,26.4,29.4,29
1988,28.3,26.3,26.6,26.8,22.9,21.7,21.3,22.3,25.1,27.2,26.8,27.5
1989,27.1,25.3,25.7,25.1,22.9,21.4,21.2,22.7,24.9,27.1,28.5,27.9
1990,26.5,26.8,27.4,26.6,24,22.4,21.6,22.1,23.9,28.1,28.9,28.5
1991,27.8,27,27,25.1,23.7,21.2,21.3,22.3,26,27.4,27.4,27.6
1992,28.5,28.2,27.8,26.5,24.8,21.9,21.5,21.9,26,29,28.8,28
1993,26.3,27.1,26.5,26.9,24.8,21.8,21.7,22.1,25.3,28.2,28,29.1
1994,27.9,27.1,27.5,26.1,23.8,21.8,21.2,22.3,25.5,25.6,29.2,28.8
1995,26.8,28.2,28.3,26.4,24.3,21.1,21.8,23.8,25.6,30.2,29.7,26.9
1996,27.6,26.7,26.1,24.5,23.4,21.2,20.5,22.7,26.1,28.2,30.6,27.7
1997,26.5,25.2,26.9,24.4,22.3,23.1,20.8,22.9,24.9,26.2,29.1,27.7
1998,27.7,27.6,28.2,26.3,23.9,21.9,21.3,22.6,25.6,28.2,29.1,27.4
1999,26.6,26.6,26.5,25.2,23.4,22,21.2,23,24.5,26.1,28.8,29.7
2000,27.4,26.9,26.8,25.4,22.7,22.1,20.6,21.4,25.8,25.5,26.8,28.7
2001,26.9,26.5,26.5,25.6,23.2,21,21.1,22.8,25.4,26.5,29.7,28.1
2002,27.8,27.3,27.1,25.5,23.5,21.4,22.1,23.4,25.2,28,28.3,28.9
2003,27.8,27.4,26.8,24.9,23.3,21.5,20.2,22,25.5,28.4,29.9,28.1
2004,28.4,27.4,27.6,25.6,22.7,20.7,21,23.8,25.2,27.6,28.4,27.3
2005,27.7,28.6,28.7,27.1,24.3,22.6,21.1,24.5,26.2,28.6,29.5,28
2006,27.3,27.2,26.5,25.3,23.7,21.5,21.6,23.3,24.5,28.7,28.7,28.2
2007,26.2,27,27.2,26.2,23.6,21.6,20.8,22.7,25.9,27.9,29.2,29.2
2008,26.8,26.6,26,24.6,23.8,21.6,21.4,22.9,25.9,28.9,30,28.1
2009,26.9,27.7,26.7,24.7,23.6,22.4,21,23.2,26.4,28.3,28.1,28.8
