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