1901,27.7,27.7,25.3,20.4,20.4,18.8,18.4,20.3,25.1,26.1,26.1,28.1
1902,27.8,28.4,25.7,23.7,21.1,19.9,17.6,16.9,23.8,24.6,26,28.2
1903,28.2,28.8,24,21.2,18.5,17.8,17.2,19.6,24.8,23.4,25.4,26.5
1904,27.4,27.1,25.1,22.9,18.4,17,18.8,20,23.9,24,26,26.5
1905,27.1,26.4,25.5,21,19.2,18.8,16.6,20.1,23.3,26.6,25.5,27.5
1906,28.6,29.3,27,23.8,21.6,16.1,17.9,20,22.7,25.6,26.4,27.4
1907,28.2,28.5,27.2,22.3,17.8,16.7,17.2,18.3,23.5,24.8,26.7,28.7
1908,28.7,27.4,25.4,21.7,19.2,18.6,18.3,18.7,22.8,24.4,26.7,27.7
1909,29,26.9,24.7,22.9,16.8,16.1,16.7,21.9,23.9,24.5,26,26.9
1910,28.2,26.8,24.3,22.8,19.2,18.5,17,21.2,22.8,24.2,26.7,26.8
1911,28.7,28.3,24.5,22,20.1,15.8,16.9,19.2,22.1,23.8,26.6,28.2
1912,28.6,29.5,26.4,22.7,19.7,18.3,15.7,19.6,22.5,25.5,26.6,29
1913,26.2,26.7,23.8,22.7,19.2,16.1,19.3,19.9,22.1,24.9,26,26.7
1914,27.8,26.8,24.5,21.9,17.5,18.2,20.3,17.1,20.9,24,24.5,26.5
1915,28.2,28.6,22.9,23.8,20.8,13,16.4,20.6,20.6,24.1,24.9,27.4
1916,27.4,25.6,23.3,22.8,18.8,14.1,13.8,18.8,23.5,24.1,26.9,26.8
1917,29.2,26.7,23.5,20.7,17,16.2,15,18.7,22.9,22.9,24.7,28.4
1918,27.9,25.8,24,21.9,17.3,16,16,19.5,22.3,24.2,26.2,27.3
1919,28.6,26.9,25.4,23.4,21.5,16.9,18,18.1,18.2,24.8,26.1,28.3
1920,28.3,27.6,26.1,23.5,19.9,15.8,14,18.6,22.1,24.2,26.8,27.4
1921,28,27.3,24.1,22.1,21.2,14.3,14.9,19.7,21.2,24.6,25.5,29.1
1922,27.8,27.5,24.3,22.2,18.8,14,18.3,19.2,22.2,22.3,26.5,27.5
1923,28.2,28,24.5,23.4,16.6,17.3,14.6,19.6,22.6,23.9,26,27.7
1924,27.5,28.1,25.2,20.9,17.5,17.1,15.8,17.7,20.7,23.5,25.1,29
1925,28,28.5,25.7,23.1,18.7,15.3,15.4,22.3,22.9,23.6,26.7,28.4
1926,29.2,27,26.8,22.7,18.3,18.7,16.3,19,21.5,24.5,25.3,25.7
1927,27.1,28.1,25,21.9,17.9,13.3,16,18.3,20.8,23.6,25.1,25.7
1928,26.6,24.3,24,23.1,17.6,13.8,15,18.4,20.6,23.9,25,25.4
1929,28.2,27.2,23.6,22.7,16.9,13.8,15.3,17.4,21.4,22.4,25.4,27.1
1930,27.3,26.3,25.2,23,18,21.2,16.1,18.3,20.5,23.8,23.9,27.1
1931,27.8,28.3,25.7,21.6,15.2,14.3,16.2,18.9,20,25.2,23.7,28.6
1932,29.2,28.1,24.7,21.9,16.3,17.4,20,18.1,22.2,25.1,26.7,28.3
1933,29.6,26.9,25.2,22.7,19.1,16.5,14.1,21.2,22,25.1,25.9,27.5
1934,29.1,25.1,26.8,19.7,19.4,19.8,17.4,19.7,22.3,23.4,25.8,28.1
1935,28.6,29.2,27.9,22.4,22.3,18.2,16.6,20.4,21.3,23.5,26,28.7
1936,29.8,27.5,25.6,23.3,21,17.6,17,17.7,22.9,25.7,27.6,27.4
1937,28.8,28.8,25.8,20.9,18.4,19.6,17,21.6,21.3,23.8,28,28.5
1938,27.8,26.6,24.7,19.9,19.3,16.8,18.3,17.3,22.7,24.3,26.8,28.3
1939,30.1,26.6,22.2,19.1,20.3,19.3,16.5,21.6,20.8,24.8,24.6,26.3
1940,27.9,26.7,24,23.1,21.3,18.2,18.7,18.5,21.5,22.4,24.2,29.2
1941,27.8,25,22.2,21.5,18.4,16.8,17.2,20.4,18.7,25.4,24.7,28.1
1942,29.1,27.9,22.7,21.6,17.1,12.5,13.5,20.2,21.9,23.9,26.7,27.9
1943,27.7,27.3,23.8,20.5,19.7,15.9,17.8,16,21.7,25.4,25.1,27.3
1944,27.5,27.4,23.8,21.9,19.4,18.5,18.8,22.4,25.3,25.2,24.4,28.3
1945,28.5,26.9,23.7,23,18.5,16,17.4,23.9,22.3,26.3,25.3,27.4
1946,27,28.8,23.7,22.8,19.5,14,15.1,21.1,24.7,24.6,27.8,27.3
1947,29.5,27.5,24.5,21.6,18.7,19.2,14.3,18.1,20.7,23.7,26.4,29.7
1948,30.4,27.7,25,21.7,19.8,18.5,17.9,19.5,24.7,25.2,26,29.4
1949,28.1,28.5,26.5,22.8,21.1,17.5,15.3,19.8,22.1,22.6,27.1,28
1950,26.4,27.1,24.3,23.2,20.6,17.2,17,21.8,21.7,24.2,26.3,29.1
1951,28.4,25.2,24.6,18.6,20.5,19.1,20,20.2,23.4,25.7,25.4,26.5
1952,29.3,26.9,26.7,20,20.8,12,17.8,20.1,20.8,24.6,24.6,27.6
1953,28.7,28.5,26.4,20.7,18.6,16.1,13.2,23.3,25.2,23,26.4,27.3
1954,27.3,27.2,24.4,22.1,16.5,16.1,15.5,19.8,21,23.5,28.1,28.9
1955,30.5,28.7,22.4,21.6,17.8,17.5,13,19.5,22.3,22.6,26.1,26.3
1956,25.4,25.3,23.9,20,14.5,14.2,16.1,17.3,21.3,23.1,22.9,26.2
1957,27,24.8,25.3,19.9,20,15.7,13.2,19.7,18.9,24.1,24,27
1958,27.5,28,23.6,20.7,17.1,19,19.4,16.1,22,23.6,25.8,25.2
1959,25.6,26.5,24.3,20.6,17.6,16.4,18.1,17.7,21.1,24,23.5,25.8
1960,27.6,26.4,23.7,20.6,16.4,17,15.9,18.8,21.9,24,24.6,27.5
1961,29,26.7,24.3,22.5,20.1,16.4,16.9,23.3,22.2,25.7,25.8,27.9
1962,26.4,26.2,24.8,21,16.7,14.3,10.9,18.1,22.7,22.2,27.2,28.8
1963,28.5,27.4,25,23.1,19.1,16.9,18.2,21.1,21.7,25.4,26.4,28.6
1964,28.8,27.7,23.9,22.6,20.7,14.3,14,18.6,21.9,22.4,24.8,25.9
1965,26.9,27.3,22.6,21.1,18.9,20.9,16.2,20.9,19.9,25.2,25.1,26.1
1966,27.7,25.1,23.9,22.3,18.4,18.2,17.2,17.1,20.9,24.5,27.4,26.9
1967,27.4,28,23.2,23.2,23.5,12.8,16.6,19.7,21.8,26.7,24.9,28.3
1968,27.1,27.3,24.4,19.1,16.9,16.8,18.5,20.6,21.4,24.6,28,28.7
1969,28,27.8,25.2,22.5,20.9,16.5,18.8,17.8,24.4,24.2,26.7,26.7
1970,28.7,27.7,25.4,25,19.7,16.3,16.4,19.1,23.5,24.8,25,29.2
1971,27.5,26.9,23.4,21.1,18,13.5,18.4,19.2,24.4,22.8,25.5,28.3
1972,28.6,27.7,24.1,20,21.1,17.8,15.5,18.4,22.6,24.1,25.3,27.2
1973,29.3,28.7,25.8,22.4,18.4,17.1,14.1,16.5,20.2,24.8,25.2,26.5
1974,29.1,26,23.6,20.5,18.7,16.7,17.9,18.5,19.9,23.3,26.5,26.9
1975,28,28.4,25,22.7,18.9,18.5,15.1,18.4,21.6,23.7,25.5,27.8
1976,27.8,26.6,23.8,20.6,17.5,16.1,16.4,17.9,21.2,24.8,26.4,28.1
1977,27.9,28.3,26.1,22.1,17.6,17.8,17.3,18.7,23.5,25.8,25.2,27.9
1978,28,26.8,26.9,22.3,18.8,17.2,20.2,18.1,23.1,25.6,26.6,28.1
1979,29.3,27,23.9,19.5,18.7,16.5,18.3,22.7,20.1,26.2,25.5,27
1980,27.6,27.7,27.2,23.7,20.2,16.1,15.4,19.7,20.5,24.1,24,27.7
1981,26.6,26.4,24.5,22.7,21.9,15.2,16,20.5,19.4,24.3,25.1,27.5
1982,27,26,23.3,22.2,19.2,16.6,16.7,20.6,22.8,24,25.6,27.4
1983,28.4,27.1,25.2,22.1,18.3,13.7,14,18.2,20,25.3,25.1,28.6
1984,27.8,28.7,24.5,19.5,19.9,13.3,17,16.3,22.9,26.6,23.8,24.9
1985,26.9,26.6,25.2,21.9,20.8,17.2,15.8,18,20.3,24.8,26.4,28.5
1986,28.8,27.6,23.3,23.6,19.7,18.2,17.1,20.2,21.3,23.6,25.9,27.4
1987,27.4,27.1,25.1,22.1,15.1,16.1,18.9,18.4,20.9,24.4,26.2,26.5
1988,28,26,26.6,21.6,15.4,15.1,13.6,20.6,21.3,24.3,27.4,28.7
1989,28.5,29.5,24.2,21.5,17.9,17.8,16.1,20.6,19.7,24.4,26,27.5
1990,28.8,26,26.1,22.7,17.5,14.7,14.3,21.7,20.4,25.5,26.9,27.6
1991,26.9,27,25.5,23.3,21.1,18.1,16.9,19.8,22,23.6,24.1,27.7
1992,26.9,26.5,24.4,22.2,19.7,19.2,13.6,19.4,20.8,23.7,23.7,27.2
1993,28.6,26.1,26.4,23.5,19.6,18.1,16,20.4,21.6,24.5,26.1,27.5
1994,28.2,26.3,23.7,22.4,22.1,19.6,17.3,20.8,24.6,25,25.6,29.2
1995,28.1,25,24.1,21.4,18.5,17.8,16.9,19.2,22.4,24.2,27.2,28.6
1996,27.6,27.2,24.2,22.1,20.6,14.1,15.2,21.4,20.6,24.2,25.5,27.2
1997,28.5,26.5,24.5,23.5,19.7,16.8,18.2,20.8,23.6,25.1,27.8,29.2
1998,29.2,26.1,23,21.4,18.4,18,18,17.7,20.9,24.7,25.4,26.9
1999,26.3,29.6,24.9,19.8,17.6,15.9,13.9,19.1,24.2,24.1,23.7,26.6
2000,28.2,27.3,24.6,23.2,18.1,17.6,13.8,21.3,21.6,26.4,24.6,26.6
2001,28.3,28.7,26.1,22.5,17.1,17.2,18.4,22.1,21.3,25.1,25.3,26.8
2002,27.8,27.4,27.1,22.2,21.2,15.3,15.4,20.2,22.2,27.6,27.1,26.9
2003,28.3,27.5,26.1,21.9,18.9,19.8,16.3,17.9,22.8,26.2,27.3,26.7
2004,28.6,26.9,25.4,23.4,14.8,16.9,16.8,19.4,22.8,25.2,25.2,27.5
2005,28.9,27.7,25.3,20.7,19.1,19.7,17,21.2,20.1,24.2,26.7,28.2
2006,28.5,28.8,25.8,23.6,16.8,19.7,20.1,21.1,22.1,25.8,26,28.1
2007,28.7,28.3,25.6,23.3,15.9,16.9,13.8,17,23.4,28.1,26,28.1
2008,27.3,26.4,24.8,21.4,18.6,15.5,20.4,19.9,22,25,26.6,28.5
2009,27.5,27.1,26.9,24.9,19.8,15.4,14.7,21.6,21.9,26.5,29,28.3
