1901,26.9,27.5,24.5,22.7,18.4,16.6,15.6,17.7,18.6,21.7,23.9,26.6
1902,26.2,27.7,26.8,21.4,20.3,15.9,15.7,16.4,18.4,22.1,22.5,27
1903,26.8,26.6,24.8,21.2,17.7,15.2,14.9,15.9,19.1,21,22.7,26.5
1904,27.5,27.7,25.1,21.4,18.4,16,16.5,16.6,18.3,20.9,22.9,25.7
1905,27.6,27,26,22.5,17.6,15.2,17.3,15.4,18.9,21.2,23.3,26.4
1906,27.2,27.6,25.8,21.4,18.4,16.6,14.1,16.2,17.7,20.8,24.4,26.1
1907,27.2,27.2,25.7,21.7,17.1,15.4,15.9,16.9,18.8,20.9,22.7,26
1908,26.6,26.6,25.1,21.4,19.1,15.4,15.7,16.1,18.2,21.3,23.1,27
1909,28.1,27.5,24.8,22.8,18.7,16.9,16.4,17,19.5,20.7,24.4,25
1910,27.9,27.5,25.4,22.1,18.9,16,16.5,15.9,18.7,21.5,22.9,27.4
1911,27.7,28.6,26.1,22.2,19.2,16.1,15,16.3,18.7,22.3,24.1,26.4
1912,27.5,26.8,26.2,22.6,18.3,18,15.6,16.6,17.9,22.3,23.4,27.4
1913,29,28.2,26.3,21.5,19.3,16.9,14.8,17.4,18.2,21.3,24.5,25.7
1914,27.5,27.4,25.6,21.8,19.3,15.7,16.4,16,18.8,22.7,23.8,25.9
1915,29.3,28.7,26.5,20.9,18.9,16.3,14.2,16.8,18.5,21.6,24.4,27.3
1916,27.8,27.7,25.2,22.9,17.7,15,15.6,16.8,18.8,21.9,24.7,27.5
1917,28,28.9,25.6,22.5,17.7,15.5,15.9,15.8,18.6,21.8,23.5,27.2
1918,27.9,28.1,25.3,22.9,18.6,16,15.3,17.4,19.4,22.1,24,26.8
1919,27.5,28.1,27.1,23.2,19.5,16.6,14.9,17.2,17.6,22,24.1,27.1
1920,29.3,27.9,25.8,23.7,18.9,15.7,16.3,17.3,18.3,21.2,25.2,26.6
1921,26.8,28.8,26.7,22.1,19.6,16.2,14.6,15.5,18,20.8,24.7,26.8
1922,27.1,27.4,26,22.5,18.8,15.3,16.2,15.6,18.9,21.8,23.8,27.1
1923,27.7,27.5,26.3,21.9,17.8,15.8,15.5,17.1,18.6,22.7,24.7,27.5
1924,28.4,27.9,24.3,22.9,17.4,15.7,15.9,16.3,18.9,21,23.2,28.4
1925,27.6,29,26.6,22.7,19,15.4,16,17.6,19.6,21.7,23.8,26.4
1926,28.6,27.1,25.8,22.5,19,16.1,14.7,16.5,18.1,21.1,23.7,26.8
1927,28.7,28.1,26.2,23.1,18.2,17.1,16.4,17.7,19.4,22.6,25.6,27
1928,28.3,27.8,25.7,22.6,19.7,15.5,16.9,17.3,18.2,21.5,23.7,26.9
1929,28.7,27.1,25.9,21.9,18.5,16.7,15.2,17.7,19.1,22.1,24.2,27.4
1930,27.9,27.4,26.3,22,20.6,16.6,16.6,17.1,18.3,22.5,25,27.4
1931,29.8,28.6,27.5,21.2,18.5,15.6,15.5,17.2,18.9,21.5,26.1,27
1932,27.1,28.6,26.3,24.6,20.7,16.4,15.5,17.7,18.8,22.2,25.8,26.9
1933,28.1,27.6,25,23.6,18.5,15.1,15.3,16.1,19.3,22.6,25.1,28.6
1934,28.4,28.7,25.7,24.3,20,18.5,15.3,16.8,19.9,22.5,25.6,27.7
1935,28.6,28.5,24.8,22.8,18.4,16.1,15.4,17.6,18.2,22.1,24.2,26.6
1936,26.2,26.1,27,23,17.5,17.5,17,18.2,19.8,21.6,24.5,26.7
1937,28.4,28.9,26.2,22.7,18.7,16.3,15.8,18.1,19,22.4,24.9,27.7
1938,27.8,27.2,26.2,22.4,19,17.6,17,16.5,19,21.6,23.8,26.7
1939,28.4,27.6,26,21.8,19.9,17.9,16.8,17.1,19.7,22.8,25.3,27.7
1940,29.1,28.5,25.8,21.4,19.4,17.6,17.7,19.3,18,23.7,23.9,28.3
1941,28.6,27.9,27.1,22.1,17.6,15.9,16.5,18.1,18.2,22.1,23.2,26.7
1942,27.8,29.2,26.5,23.9,18.9,15.9,16.1,17.1,18,21.9,25.7,26.7
1943,27.3,26.7,27.1,22.1,18,15.9,14.5,16.3,18,21.7,23.9,27.9
1944,28.9,29.1,26.1,22.3,18.5,15.8,15.8,16.9,18.5,22.6,23.4,26.5
1945,28.3,29,26,23.8,19.7,16.2,14.5,17.1,21.6,21,25.2,26.7
1946,27.9,28.1,25.3,22,18.8,16.4,15.4,17.8,18.1,21.3,25.2,27.8
1947,28.2,29.1,26,22,18.5,15.6,14.5,18.9,19.4,22.5,25.6,27.3
1948,28.5,28,24.4,22.1,20,16.3,15.9,17.9,18.5,22,25.2,27.4
1949,28.9,28.8,27.9,22.9,19,19.8,15.8,16.8,18.9,23.2,24,26.7
1950,28.2,27.4,26.3,21.1,19.7,16.8,15.2,17.9,19.4,22.9,23.7,26.1
1951,27.3,27.2,26.1,22.4,19.7,17.5,16.3,18.3,18.6,20.8,24,27
1952,28.8,28.9,25.2,23.4,19.2,17.9,16.6,17.6,20.7,21.9,24.9,27
1953,29.5,28.6,27,22.2,19.1,17.2,16,17.4,21.8,22.7,24,27.2
1954,28.4,28.1,25.5,22.5,18.8,17.5,14.9,17.1,19.6,21.8,24.9,27
1955,28.4,26.7,25.7,22.1,19.9,15.8,15.4,15.5,18.6,21.2,23.8,25.8
1956,28.8,27,25.9,22.8,18.2,16.8,16.5,16.7,19.4,22.1,25.2,26.8
1957,29.1,28.2,26.2,22.6,18.6,16,15.9,17.6,19.5,20.7,24.8,28.1
1958,28.7,27.7,26.1,22.7,18.6,16,17.4,17.7,19.4,22,25,28.6
1959,27.8,27.8,26.2,22.3,17.8,17.2,16.2,17.8,20,21.8,24.9,27.2
1960,27.9,29.3,26,22,17.6,17.4,17.3,17.7,21,23.8,26.3,27.9
1961,28.3,28.1,26.4,22.2,18.1,17.3,17.6,18.3,19.1,20.8,25.9,27
1962,28.2,28,26.4,23.5,21.4,15.9,17,17.5,19.3,21.1,23.1,28.4
1963,28.7,28.7,25.5,21.6,19.6,18.1,14.5,16.9,20.6,22.4,25.6,27.6
1964,28.6,26.9,26.3,23,21.1,15.1,16.7,16.3,17.6,20.9,22.6,28
1965,28.1,27.7,25.5,21.9,18.4,16.7,15.8,17,20.5,21.4,23.4,25.9
1966,28.1,26.2,25.9,23.3,18,17,15.4,16.3,19.5,23.1,25.4,28.1
1967,28,28.6,26.2,19.5,18.6,14,15.4,17.4,20.8,22.4,26.3,29
1968,28,27,26.9,21.6,17.9,14.7,15.5,16.4,20,21.3,25.5,27.7
1969,28.6,28.2,27.5,21.3,19.3,16.4,17.3,18.4,19.4,21.4,25,28.2
1970,29.4,27.3,27,23.9,17.7,15.6,14.9,16.1,18.8,22,23.7,25.7
1971,28.1,27.7,26.1,21.8,19.3,16.3,14.7,15.1,17.9,22.4,24.1,27.4
1972,30.1,28.5,26.4,23.5,19.4,17.1,16.8,16.9,20.4,23.9,26.8,27.5
1973,28.8,28.7,26.6,24.1,17.9,18.6,16.9,16.6,18.5,24.2,25,27.2
1974,28.3,28.6,25.8,24.5,18.2,16.6,16.3,16,18.2,22,25.3,28.2
1975,28.3,28.9,27,23.4,19.3,17.2,14.7,16.3,19.2,21.5,24.5,26.1
1976,29.7,27.9,25.5,23.1,19.9,15.7,15,17.2,19.9,21.8,22.6,27.1
1977,28,28.1,26.5,23.3,17.2,16.4,16.3,18,18.7,21.7,25,27.5
1978,28.3,29,27.6,22.4,19.3,19.2,18.3,17.6,19.9,21.4,25.7,27.6
1979,29,29.5,26.4,25.4,20.4,16.9,15.6,17.4,19.8,22,26.4,28.9
1980,28.9,28.2,28.4,24.8,20.5,17.3,19.4,18.5,20.2,23.2,23.4,27
1981,27.7,27.4,26.4,23.7,20.3,16.8,16.7,15.9,19.3,23.2,24.9,26.8
1982,27.6,28.1,24.6,20.8,18.5,16.4,16.2,17.9,20.7,23.6,24.7,27.5
1983,29.7,27.8,27.5,25.2,19.3,16.3,16.5,19.7,19.4,23.6,24.7,28.3
1984,29.7,29.1,27.2,25,19,19.1,17,19.4,20.5,22.1,26.9,26.7
1985,28.7,28,25.8,23.9,21.6,18.1,15.6,19.4,21,23.6,26.3,27.2
1986,29.2,28.7,26.4,24,22,18.2,17.3,18.4,20.7,22.8,25.9,28.6
1987,28.7,29,27.2,23.8,22,17.8,17.5,19.1,19.8,23.2,25.1,27
1988,28.6,28.8,26.2,21.6,21,17.2,16.9,19.6,20.1,22.1,25.3,27.2
1989,29,27.7,26,22.9,19.5,16.2,16.2,17.9,19.9,21.7,25.4,28
1990,29.3,28,26.2,22.2,19.5,15.6,16.1,18.5,21.7,23.1,25.3,27.1
1991,28.5,26.6,27.4,24.6,20.9,16,15.7,16.7,20.4,21.6,24.7,28.1
1992,28.4,28,26.9,23.1,19.7,15.9,16,16.9,19.2,21.5,24.4,27.1
1993,29.4,28.1,27.9,21.5,18.1,16.6,17.1,18.1,20.5,23,26.2,26.9
1994,28.5,28.7,26.2,23.9,19.5,15.1,16.3,17,20.4,23.8,25.4,28.1
1995,28,28.9,26.5,21.9,19.1,16.3,15,17.5,20.2,21,24.9,26.4
1996,28.4,28,26,25.2,21,17.3,14.3,17.3,19.1,21.1,21.3,26.7
1997,28.5,27.4,25.5,21.7,20.5,15,16.8,17.5,22.5,25.2,24.4,28.1
1998,28.7,29.3,26.3,24.3,19.3,17.4,16.1,18.2,19.8,23.5,24.6,27.4
1999,30,28.3,27.5,23.3,19.6,18.8,17.4,19.8,19.3,23.8,26,30.2
2000,29,28.5,25.5,23.3,20.2,18.9,17.4,19.7,20.2,23.6,26.1,28
2001,28.6,29.2,26.3,22,20.7,18.5,16.7,17.2,17.9,23.1,25.1,27.7
2002,28.4,29.4,27.9,24.6,19.2,16.2,15.4,17.9,20.8,22.7,24.9,28.6
2003,28.9,29.5,27,23.7,19.7,17.8,17.4,16.4,19.7,23.5,25.7,27.5
2004,26.4,29,26.1,24,21.1,18,17.1,17.8,21,23.1,26.8,28.9
2005,29.5,29.3,27.6,23.5,19.5,16.5,18.9,16.9,20.8,24.1,26.2,27.8
2006,29.7,29.7,27.2,23.5,19,18.7,16.7,17.1,21.2,23.5,26.2,27.9
2007,30.2,28.8,27.3,24.5,20.4,17.5,16.8,18,20.8,24,24.3,28.3
2008,28.9,28.9,27.9,24.1,20.2,17.1,16.6,18.2,19.1,22.9,25,28.5
2009,29,29.7,28.5,24.7,20,17.4,17.9,19,19.8,23.9,26.1,27.5
