1901,27.4,27.5,26.4,21.6,21.9,20.2,21.3,21.8,25.1,26.3,26.5,27.8
1902,27.1,29,26.5,24.1,22.8,22.3,20.8,18.6,24.8,24.5,27.1,27.4
1903,27.5,27.8,26.4,22.9,20,20.3,19.7,20.6,24.8,23.6,25.8,26.1
1904,26.3,26.3,26.6,24.1,19.4,19.2,21,20.9,23.3,23.5,26.3,26.2
1905,26.2,26.2,26.4,22.4,21.3,21.1,19,21,23.1,26.3,25.4,26.8
1906,28.8,28.9,27.7,24.2,23.5,19.5,20.8,21.2,22.5,25.2,27.3,26.6
1907,27.8,28.2,28.1,24.2,20,19.7,19.8,20.1,24.2,25.1,26.9,28.5
1908,28.4,27.5,26.6,24,21.5,20.9,21.4,19.8,23.8,24.5,26.8,27.8
1909,28.6,27.1,26.5,24.7,18.8,19,19.8,23.5,24.1,24.5,25.7,26.4
1910,28.3,26.8,26.1,25.3,21.1,21.1,19.9,22.4,23.6,24.7,26.8,27
1911,28.6,28.3,25.7,23.8,22,18.5,19.5,20.6,22.9,24.4,27.3,28.1
1912,28.5,29,27.3,24.6,22.3,20.1,17.6,20.5,21.7,24.4,26.9,27.5
1913,25.4,25.9,24.8,23.9,20.7,18.4,22.5,20.7,22.2,24.5,26.5,26.4
1914,27,26.5,26.6,23.3,19.5,21.1,21.8,19.1,22.3,24.2,25.2,26.1
1915,27.3,27.8,24.5,24.1,23,15.8,18.9,21.7,21.3,24.2,24.6,26.1
1916,26.4,25.2,23.8,23.8,20.8,18.2,16.7,20.2,23.5,24.1,26.4,25.9
1917,28.8,26.4,25.3,21.7,19,18.4,17.7,19.8,23.7,22.8,25.1,27.7
1918,27.8,25.3,24.8,23,19.7,18.4,18.4,21,23.6,24.7,27,26.8
1919,28.9,26.6,27,24.5,22.7,20,21.5,19.1,19.2,24.8,25.4,27.4
1920,27.5,27.3,27.2,24.9,21,18.6,16.2,19.5,22.5,24.8,26.8,26.6
1921,27.6,27.4,25.5,23.2,23.8,16.9,18.1,21.3,22.5,24.8,26,29.4
1922,27.5,27,25.6,23.9,20.6,17.4,20.5,21,22.7,22,26.8,26.8
1923,28,27.4,27.1,24.8,18.2,19.3,17.3,21.5,23.5,24.3,25.9,27.9
1924,27.2,27.5,26.4,21.9,18.6,19.8,18.2,18.6,21.3,23.5,24.7,28.2
1925,26.8,28,26.2,24.4,20.4,17.1,17.8,23.5,22.9,23.6,26.3,27.9
1926,28.5,28.6,28.9,23.8,20,21.5,18.7,22.2,25.2,25.9,27.6,27.2
1927,27.9,28.2,26.6,23.6,20.8,17.8,19,21.2,23.9,25.4,26.9,26.4
1928,29.3,27.9,26.6,25,20.9,18.2,17.9,19.7,21.6,24.7,27.4,27.2
1929,29.2,27.8,26.5,24.6,20.3,18,18.2,20.4,21.9,24.7,27.3,27.2
1930,27.5,26.9,26.8,25.1,21.7,24,19.2,20.6,22.5,24.3,26.3,27.6
1931,28.5,29.1,26.9,23.8,18.7,17.4,19.5,21.6,22,25.4,25.6,27.9
1932,28.7,27.5,26.8,24.8,20.1,19.5,22,19.9,23.7,25.3,27.3,27.3
1933,30.4,28.6,28,26,23.2,19.4,17.5,23,24.6,27.5,27.5,28.9
1934,29.1,27.4,27.8,22.4,22,22.4,20.2,21.8,23.9,24.5,28.2,28.4
1935,29.6,28.8,28.6,23.9,22.7,22,19.6,21.6,22.2,24.2,26.7,28.6
1936,29.6,27.8,28.2,23.8,23.8,20.9,19.4,19.4,24.5,26.7,27.4,28.7
1937,29.4,28.2,26.5,22.4,20.5,21.4,20.8,23.6,23.4,24.9,27.9,29
1938,28.8,27.8,27,22.6,22.1,20.8,20.7,21,24,24.9,27.7,28.7
1939,30.3,28.3,26,23.3,23.3,21.6,18.8,22.6,23.5,26.6,26.2,27.4
1940,27.9,27.9,26.5,24.7,23.4,21.6,22.5,20.9,23.7,24.6,26.4,29.5
1941,29,27.2,25.9,26,22.3,19.8,20.8,23.3,20.5,26.4,26.3,28
1942,29.6,28.8,26.3,24.5,20,16.7,17,22.4,23.9,25.5,28.4,29
1943,29.2,28.5,27.1,24.1,22.5,19.8,20.7,18.4,23.7,26.4,26.6,27.9
1944,29.9,29.5,26.6,24.2,22.7,21.7,21,23.8,26.4,27,26.7,29.7
1945,29.9,28.3,26.8,25.9,21.1,19,20.7,24.8,24.8,27.5,27.2,28.4
1946,28,29.8,26.8,24.1,21.6,18.5,18.4,22.9,25.5,25.6,28.7,27.7
1947,29.1,28.8,26.8,24.9,22.1,22,18.2,20,23.7,24.3,27.9,27.9
1948,30.3,28.4,26.5,24.3,21.7,21.6,20.8,21.1,25.4,25.5,27,28.6
1949,27.2,28.6,28.3,23.6,21.9,21.1,18.7,20.1,22.8,23.2,26.9,26.7
1950,28,26.8,25.6,23.4,22.6,20.6,19.7,22.8,23.7,23.7,25.6,26.8
1951,27.6,26.9,26.5,20.7,22.5,20.1,20.8,21.6,23.7,26.1,26.7,27.4
1952,28.7,27.5,27.2,21.9,22.4,16.1,20.4,22.9,23.1,24.9,26.1,28
1953,28.2,28,26.9,22.6,21.5,19.2,15.5,24.2,25.7,25,26.3,28.4
1954,27.2,28.1,25.8,24.2,19.8,20.4,18.7,21.8,24.1,25.3,28.8,28.6
1955,28.9,29.4,25.8,24.4,21.5,21.4,15.7,21.9,24.4,23.7,27.3,28.1
1956,27.3,28,26.7,22.9,18.7,17.4,19,19.8,23.4,25,26.5,28.6
1957,27.5,26.3,27.7,23.1,23.1,19.7,16.9,21.9,21.6,26.5,26,28.4
1958,30.2,28.9,26.8,24.1,20.7,21.7,21.1,19.5,22.8,24.6,26.4,27.1
1959,28.5,28.7,27.1,25.3,22.2,20.8,21.7,20.3,23.4,25.6,27,27.9
1960,29.2,27,26.8,23.3,19.1,20.5,20.2,21,24.2,26.4,26.1,28.7
1961,28.9,28.9,26,24.4,22.3,19.4,20.5,25.4,24.7,26.9,27.4,28.6
1962,28.3,28.6,27.8,24.3,20.3,19,15.3,20.8,24.3,23,27.5,29.5
1963,28.9,27.5,27.4,24.6,22.2,20.1,22.7,24.4,24.8,28.5,27.5,29
1964,30.1,28.2,26.9,25.8,22.6,18.5,19.2,21.6,22.8,24.6,26.2,27.1
1965,27.5,28.1,24.8,24.4,21.7,22.5,19.3,22.7,22.6,25.5,26.8,27.5
1966,29.1,28,26.7,24.3,21.8,21.9,19.7,20.5,23.5,26,27.3,28.1
1967,27.3,27.7,25.8,24.9,24.9,17.7,20.4,23.6,25,27.8,26.6,27.8
1968,27.5,27.9,26.6,21.6,19,20.6,21.1,22.1,21.2,26.5,29.6,28
1969,27.8,28.9,26.6,22.7,22,18.6,21.1,19.9,25.8,24.2,26.3,27.1
1970,28.8,27.1,26.6,24,22.1,20.5,19.2,20.3,23.4,25.6,24.9,27.9
1971,27.9,27,25.7,21.7,19.7,16.5,20.1,20.8,24.4,22.9,25.4,27
1972,28,26.9,26.6,22.4,23.1,23.2,19.4,20.1,23.8,24.8,26.9,26.3
1973,29.7,29,27.6,26.7,21.4,20.3,17.5,17.8,22.1,25,25.6,26.3
1974,28.2,27.1,25.5,23.1,20.1,19.5,20.8,20.7,22.7,23.5,25.4,27.5
1975,27.4,28.4,25.5,23.8,20.6,20.1,18,20.4,22.7,24.1,25.1,27
1976,28,26.9,25,22.2,19.8,18.3,19.3,19.4,20.4,24.3,25.2,26.4
1977,27.1,27.2,26.5,22.5,21.2,20.4,23,20.6,24.4,25.6,26.3,27.8
1978,28,28.5,27.7,22.1,21,20.2,22.9,19.2,22.8,26.2,26.7,26.6
1979,27.6,27.6,25.7,22.4,20.5,18.7,19.2,23.4,21,26.5,25.5,27.2
1980,27.1,27.5,27.7,25,22.6,18.8,19.2,21.3,21,25.3,26.3,27.7
1981,28.1,27,27.1,24.6,24,17.8,17.5,22.4,21.6,24.8,26.8,26
1982,28.1,26.7,25.2,23.6,20.9,20.1,21.3,21.8,23.4,24.6,26.3,25.9
1983,28,27.1,25.5,24.2,22.2,16.6,18.4,19.6,20.5,24.3,24.8,27.3
1984,27.8,27.6,26.7,22.3,22.8,19,21.1,18.7,23.1,27.6,26.4,26
1985,27.7,27.4,26.6,23.9,22.5,18.9,18.8,19.6,22.5,25.6,27.6,28.9
1986,28.3,27.2,25.7,25.9,22.3,20.9,19,21.7,22.3,23.5,27.2,26.9
1987,28.1,25.7,25.3,24.8,18.3,18.4,22.1,19.2,21.4,24.3,26.9,26.3
1988,28.3,26.4,27.4,25.3,19,19.7,16.8,22.9,24.6,23.6,27.2,28.8
1989,26.9,26.9,26,24.3,21.2,20.5,18.4,21.4,21.2,25.2,27.2,28.5
1990,28.2,28.2,27.8,26.2,19.5,18.1,15.9,22.1,21.8,26.5,28,29.2
1991,29.2,27.5,27.2,24.8,21.7,19.7,19.3,21.9,24.1,23.5,25.6,27.7
1992,28.2,28.8,25.2,22.9,21.1,21.9,15.5,18.8,21.2,25.5,24.7,27.3
1993,27.9,26.3,27.1,24.6,20.1,19.4,17.5,19.3,21.6,25.7,27.1,27.5
1994,27.8,27.5,26,24.6,24.7,22.7,19.7,22.7,22.7,26.7,26.5,28.1
1995,27.3,27,26.6,21.7,20.1,21.2,21,22.3,24.1,25,26.5,27
1996,27.9,27.2,26,24.3,21.7,16.8,17.8,22.8,22.5,25.5,25.9,27.7
1997,27.8,28.1,26.7,23.2,21.5,19.5,21.4,21,25.8,27.3,27.7,27.8
1998,30,27.4,25.8,24,19.4,19.1,22.7,20.4,21.2,24.7,26.3,27.2
1999,28.2,28.8,28.1,23.6,20.6,19.5,19.3,21.4,26.3,26.7,25.8,28.3
2000,29.8,28,26.7,25,20.7,20.9,15.7,21.6,21.8,26.9,25.5,27.2
2001,28.8,27.3,26.7,25.1,19.5,19.5,21.9,24.3,24.3,26.3,26.9,26.8
2002,28.4,27.2,28.6,27.1,23.5,20.2,19.4,23.3,23.9,28.4,27.6,28.3
2003,28.2,27.4,27.8,23.4,21.1,22.3,20.8,19,23.5,26,27.5,27.9
2004,29,27.4,26.7,25.6,17.2,19.8,18.3,20.4,24,25,25.1,27
2005,27.1,27.5,26.9,24.3,22.2,21.7,18.3,22.5,19.2,24.7,26,26.8
2006,27.9,27.5,27.1,24.4,19.1,20.5,21.1,21.6,23.3,26.3,26.1,27.8
2007,27.9,27.7,27.1,25.3,18.5,21.1,17.4,19.5,26.3,28,27.1,27.2
2008,28,26.7,26.4,23.7,19.9,17.5,21.9,22.1,21.8,26.3,26.3,28.1
2009,27,27.5,27.6,25.5,22.2,17.7,17.9,21.8,22.6,25.9,29.4,27.5
