1901,28,27.8,25.5,20.6,20.5,18.9,18,19.6,25.3,26,26.4,28.4
1902,28.3,28.3,26,24.1,21.2,19.7,17.1,16.1,23.7,24.6,26.1,28.7
1903,28.6,29.1,23.9,21.2,18.6,17.6,17,19,25,23.5,25.6,26.8
1904,27.8,27.3,25,23,18.7,16.8,18.5,19.5,24.1,24.1,26.1,26.8
1905,27.5,26.6,25.7,21,19.1,18.5,16.2,19.6,23.4,26.4,25.7,27.7
1906,28.6,29.4,27.2,24,21.5,15.5,17.3,19.4,22.8,25.6,26.5,27.8
1907,28.4,28.6,27.3,22.2,17.7,16.3,16.8,17.5,23.4,24.7,27,29
1908,29,27.4,25.7,21.6,19,18.4,17.8,18.1,22.8,24.4,26.9,28
1909,29.3,26.9,24.8,22.9,16.7,15.8,16.2,21.2,23.8,24.4,26.3,27.2
1910,28.4,26.8,24.2,22.5,19.1,18.2,16.6,20.5,22.7,24.2,27,27.1
1911,28.9,28.4,24.7,21.9,20,15.5,16.5,18.5,22,23.7,26.8,28.4
1912,28.7,29.5,26.6,22.6,19.4,18.1,15.4,18.9,22.7,25.6,26.8,29.4
1913,26.8,27.3,24.1,23.2,19.8,16.5,19.6,19.8,22.5,25.1,26.5,27.1
1914,28.6,27.5,24.5,21.9,17.5,17.8,20,16.3,21.2,23.8,25.3,27
1915,28.5,28.8,23.4,24,20.9,13,16.4,20.4,21,24.6,25.7,28.3
1916,28.1,26.1,24.1,23.1,19.2,13.4,13.7,18.8,23.9,24.6,27.7,27.4
1917,29.7,27.1,23.9,21.3,17,16.1,15,18.3,23.6,23.3,25.4,29.1
1918,28.3,26.3,24.6,22.5,17.7,15.9,16.3,19.5,22.2,24.2,26.8,28
1919,29,27.6,25.9,23.6,21.8,17,17.6,17.6,18.4,24.9,26.6,28.9
1920,29.1,27.9,26.6,23.7,20.4,15.8,13.8,18.5,22.4,24,27.1,27.7
1921,28.2,27.8,24.2,22.3,21.6,13.6,14.4,19.1,21.3,24.5,25.5,29.7
1922,28,27.8,24.4,21.9,18.9,13.9,18.4,18.6,22.7,22.6,26.7,27.8
1923,28.2,28.3,24.7,23.6,16.6,17.5,14.2,18.9,23.2,23.5,26.7,28
1924,27.7,28.3,25.8,21.1,18.1,16.9,15.7,16.8,20.7,23.5,25.6,29.5
1925,28.6,29,26.4,23.2,18.7,15.2,15.3,22.1,23.6,23.8,27.1,29
1926,29.7,28.2,26.9,22.7,18.3,19,16.4,19.6,22.5,25.4,26.8,27.1
1927,28.4,29,25.7,22.2,18.8,13.9,15.9,18.6,21.5,24.3,26.5,26.9
1928,27.5,25.3,24.8,23.6,18.4,14.2,14.9,17.8,20.6,23.8,26.3,26.7
1929,28.3,28.4,24.5,22.9,17.5,14.5,15.6,17.7,22.4,23.1,26.7,28.4
1930,27.9,26.8,25.4,23.3,18.9,20.8,15.7,17.2,21.3,23.4,25,28.3
1931,28.1,28.5,26.4,21.8,15.2,13.8,16.3,18.1,20,25.3,23.9,28.7
1932,29.3,28.1,25,21.8,16.4,17.3,19.7,17.9,22.1,25.1,27.1,28.1
1933,29.2,26.8,25,22.2,18.7,16,13.4,20.2,21.4,24.7,25.9,27.3
1934,29.2,25,26.8,19.6,19,19.1,17,18.9,21.7,23.1,25.4,27.8
1935,28.5,29,27.6,21.9,22.2,17.5,16.1,19.7,21,23.1,26.2,28.7
1936,29.7,27.3,25.1,23.3,20.4,17.1,16.8,17.2,22.6,25.5,27.2,27.6
1937,28.7,29.1,25.9,21.1,18.3,19.3,16.4,20.6,20.9,23.5,28.1,28.8
1938,27.9,26.5,24.6,19.6,18.9,16.3,17.6,16.3,22.4,24.2,27,28.4
1939,30.1,26.5,22.3,18.7,20,19,16.4,20.9,20.4,24.4,24.5,26.3
1940,28,26.5,24,22.8,20.9,17.9,18,17.6,21.2,22.1,24.1,29.1
1941,27.9,24.8,22.1,20.9,17.9,16.5,16.8,19.5,18.6,25.2,24.9,28.6
1942,29.3,27.8,22.8,21.2,16.9,12.1,13.2,19.3,21.8,23.7,26.7,27.9
1943,27.9,27.3,23.7,20.3,19.3,15.7,17.3,15.2,21.3,25.1,25,27.4
1944,27.3,27.2,23.8,21.8,19,18,18.3,21.5,25.2,24.9,24.5,28.6
1945,28.7,26.9,23.8,22.9,18.6,15.9,16.8,23,22.1,26,25.3,27.5
1946,27,28.7,23.6,22.8,19.3,13.6,14.8,20.2,24.1,24.2,27.7,27.6
1947,29.9,27.6,24.8,21.3,18.6,18.8,13.9,17.3,20.2,23.7,26.5,30
1948,30.5,27.4,24.8,21.4,19.6,18.2,17.2,18.6,24.5,25,26,30
1949,28.2,28.4,26.2,22.7,20.8,17.1,14.6,18.9,21.8,21.9,26.9,28
1950,26.6,27.1,24.6,23.1,20.2,16.8,16.6,20.8,21.2,23.9,26.2,29.3
1951,28.7,25.5,25,18.9,20.3,18.7,19.4,19.7,23.1,25.7,25.5,26.8
1952,29.6,26.6,27,19.4,20.5,11.7,17.4,18.4,20.7,24.8,23.5,26.6
1953,29,28.6,26.5,19.9,18.2,15.9,12.9,22.2,24.2,22.8,26.8,27.7
1954,28,26.7,24.5,21.5,16.2,15.9,15.1,19.1,21,23.1,28.5,29.3
1955,31.3,28,22.5,21.6,17.6,16.9,12.8,18.4,22,22.5,26.3,26.7
1956,25.8,25.3,24.4,20.1,14.7,14.1,16.1,16.9,21.5,23,23.4,26.8
1957,27.6,25.2,25.8,19.8,20.1,15,13.1,18.7,19.1,24.1,24.3,27.2
1958,27.4,28,24.3,21.1,17.2,18.5,19.7,15.6,22.2,24.3,26.4,25.4
1959,26,26.2,24.3,20.1,17.3,15.9,17.5,17.2,20.9,24,23.9,26
1960,28.1,27.4,24.3,21,16.8,16.7,15.2,18.3,21.9,24,25.4,28.5
1961,28.9,26.7,24.6,22.5,20.5,16.3,16.8,22.6,22.3,25.7,26.4,28.6
1962,27,26.7,25.4,21.2,17,13.9,11,18,22.6,22.7,27.9,29
1963,28.6,27.6,24.8,23.6,19.2,16.7,17.6,20.1,21.3,24.6,26,28.5
1964,29.2,27.9,23.9,22.3,21.1,14,14.2,17.9,21.8,22.5,25.4,26.5
1965,27.5,27.7,23.2,21,18.8,20.7,15.6,20.1,20,25.5,25.9,26
1966,28,24.8,24.1,22.3,18.6,17.9,16.7,16.1,20.7,24.3,27.3,26.8
1967,27.9,28.2,23.4,23.5,23.4,12.1,16,18.8,21.5,26.2,25.3,29.4
1968,27.6,27.3,24.6,19.1,16.9,16.5,18.3,20,21.7,24.1,27.9,28.8
1969,28.6,27.3,25.7,23,20.9,16.1,18.2,17.1,23.9,24.3,27.2,27.1
1970,28.6,28.1,25.4,25.1,19,15.7,15.8,18.5,23.5,24.3,25.4,29.6
1971,27.8,26.6,23.7,20.8,17.8,12.9,17.8,18.7,24.1,23.2,25.9,28.9
1972,29.2,27.9,24.3,19.9,20.7,17,15,17.8,22.5,23.9,25.6,27.6
1973,29,28.2,25.8,21.6,17.9,16.6,13.8,16.4,20.1,24.7,25.4,27
1974,28.9,25.5,23.6,20.5,18.7,16.4,17.3,17.7,19.4,23.3,26.8,26.8
1975,28.2,28.3,25.4,22.6,18.9,18.4,14.3,17.4,21.5,23.7,25.7,28.3
1976,27.6,26.6,23.5,20.5,17.6,15.6,15.8,17.1,20.9,24.6,26.8,28.6
1977,27.9,27.6,25.7,21.8,17.4,17.7,16.4,17.6,23,25.6,25.5,28.3
1978,27.7,26.6,26.7,22.2,19,16.1,19.2,17.1,23.1,25.1,26.5,28
1979,29.1,26.9,24,19.3,18.8,15.9,17.4,22,19.8,26,25.3,26.6
1980,27.6,27.8,27.1,23.2,19.9,15.7,15,18.9,20.5,23.6,24.2,28.1
1981,26.6,26.4,24.8,22.5,21.3,14.7,15.6,19.7,19.4,24.3,25,28.1
1982,27.1,26.2,23.3,22.2,19.3,15.9,15.9,19.9,22.8,24.2,25.9,27.7
1983,28.6,26.9,25.2,21.9,17.8,13.1,13.6,17.1,19.9,25.4,25.3,29
1984,27.8,28.3,24.2,19.5,19,12.8,15.9,15.7,22.4,26.1,23.6,25.1
1985,27.3,26.2,25.4,21.6,20.5,16.7,15.4,17.4,20.4,24.8,26.3,28.5
1986,29,27.5,23.5,23,19.6,17.5,17,19.5,21.3,23.8,25.9,28.1
1987,27.5,27.7,25.4,21.9,15,15.7,17.9,17.7,20.7,25,26.4,26.9
1988,28.2,26.4,26.8,21.7,15.8,14.8,13.3,19.6,21.1,24.5,28,29.5
1989,29.5,30.5,24.7,21.6,18.2,18,16.1,20.4,20.1,24.8,26.6,28
1990,28.9,26,25.5,22.1,17.6,14.7,14.5,21.4,20.5,25.2,26.8,27.9
1991,26.5,27.3,25.8,23.1,20.9,17.4,16.5,19.1,21.9,23.4,24.6,27.7
1992,27.2,26.9,25,22.2,19.2,18.4,13.4,18.5,21,23.8,24.1,27.5
1993,28.8,26.3,26.5,23.1,19.3,17.3,15.5,19.8,21.3,24.3,26.4,28
1994,28.3,26.2,24.1,21.7,21.9,19.3,16.4,20,24.4,24.9,25.8,29.8
1995,28,25,24.5,21.5,19,17.2,16.1,18.4,22.2,24.3,27.5,29.6
1996,27.7,27,24.7,21.9,20.9,14.8,15,20.7,20.6,24.4,25.9,27.9
1997,28.8,26.2,25,24.1,19.7,16.4,18,19.9,23.5,25,27.8,29.3
1998,28.8,25.9,23.5,21.2,18.6,18.6,17.7,17.4,21.2,25.2,25.9,27.4
1999,26.4,29,25,19.7,17.7,15.8,13.6,18.5,24,23.8,24.2,27.1
2000,28.5,27.1,24.4,22.9,17.9,16.8,13.5,20.1,21.3,26,24.8,27
2001,28.6,28.7,26.2,22.3,17,16.7,17.2,21.2,20.9,24.8,25.1,26.8
2002,27.9,27.2,26.9,21.6,20.6,14.9,15.1,18.9,22.2,27.1,27.1,26.9
2003,28.4,27.8,26,21.8,19,19.3,15.6,17.2,22.7,26.1,27.7,27.1
2004,29,26.9,25.7,23,14.9,16.5,16.6,18.7,22.8,25.3,25.7,27.6
2005,29.5,27.9,25.3,20.5,18.6,19,16.7,20.5,20.3,23.9,27,28.1
2006,28.7,28.5,25.5,23.1,16.8,18.9,19.2,19.9,22.1,26,26.1,28.2
2007,28.5,28.1,25.3,22.9,16,16.2,13.3,15.9,23,27.3,26.1,28.1
2008,27.5,26.6,24.9,21.4,18.4,14.8,19.5,19,21.8,24.9,27.1,28.5
2009,27.6,27.2,26.7,24.6,19.6,15.2,14.4,20.9,21.3,26.5,29,28.1
