1901,27.7,29.4,24.2,19.2,16.4,11.5,10.8,11.9,18.2,19.7,26.5,29.1
1902,28.7,27.7,24.2,20.6,16.8,12.7,12.4,12.2,18.1,21.4,25.7,25.9
1903,27.6,27.2,25.2,20.1,14.4,11.7,10.8,12.7,17,20.9,24,24.8
1904,25.8,25.9,23.1,20.9,16,12.3,11.7,12.4,16.7,20.4,23.4,28
1905,29.2,25.9,24.5,20.3,16.7,12.7,11.1,11.6,14.7,17.1,23.3,27.7
1906,31,31,23.9,21.4,17.2,14.7,13.4,13.1,17.2,20.6,22,26.5
1907,27,28.4,23.3,18.7,16,12.3,12.5,13.6,17.9,21.2,23.8,26.4
1908,31.4,28.1,23.3,19.9,14.6,10.5,10.7,11.9,14.4,19.7,25.4,28.3
1909,27.6,26.5,25.2,18,15.3,12.2,10.1,13.1,16.1,21.4,23.3,24.4
1910,29.2,28.8,23,20.1,16.9,13.6,12.2,14,17.3,18.1,23.3,25.1
1911,28.9,26.4,24,19.6,15.7,11.7,11.7,14.5,16.9,20.7,24.8,26.6
1912,27.8,28.4,26.4,18.7,16,11.5,11.6,13.7,17.4,20.8,22.7,26.6
1913,27,27.1,24,20.9,12.5,9.9,11.8,14.4,15.8,22,23.7,28.4
1914,27.4,29.1,26.4,21.3,15.3,12.7,11.2,15.1,16.4,21.4,26.8,28.2
1915,27.9,29.8,25.3,20.2,14.7,14.2,13,13.4,18.2,20.1,23.5,27.1
1916,28.9,28.5,24.9,18.1,17.1,13.4,11.4,13.7,17.2,18.8,20.9,25.7
1917,27.7,24.9,25,18.2,14.1,11.5,13.2,12.2,17.2,20,22.4,28.2
1918,28.5,27.5,23.5,19.6,17.4,13.6,10.3,13.3,16.9,20.9,24.2,27.4
1919,28,27.7,23.2,22,15.1,13.5,11.1,13.9,17,20.7,25,28.5
1920,26.4,27.3,23.7,19,14.5,12.7,11.4,13.3,16.4,20.3,23.6,25.5
1921,27.7,28.4,23.7,19.5,17.8,13.3,12.5,12.2,17.1,19.9,26,26.2
1922,27.1,30,25.3,22.9,15.2,11.7,10.8,13.5,17,21.1,25.2,26.5
1923,28.6,30.4,26.2,22.8,17.7,12.8,11.5,12.8,16.8,19.7,22.2,27.5
1924,26.2,26.1,24.1,17.2,15.6,11.8,12,14.3,17.5,20.9,23.6,24.7
1925,26.6,27.9,25.3,20.7,15.7,12.4,11.2,12,15.1,19.7,25.3,27.7
1926,28.1,30.3,25.6,19.9,13.4,11.7,12.6,13,15.9,20,22.6,23.7
1927,27.3,26.2,24.2,19.8,14.1,11.2,11.7,13.8,17,20.7,24.9,25.6
1928,26.6,26.4,25.3,20.7,15,11.9,10.9,15.5,18.6,20.3,25,27.3
1929,27.7,29.4,23,18.8,15.2,11.7,10.2,13,16.3,20,23.6,24.7
1930,28.1,30.3,27.4,20.2,15.1,11.8,12.5,13.9,16.8,22.1,24.7,27.5
1931,27.2,26.3,24.4,19.4,15.8,11.4,10.7,13.1,17.1,19.3,22.6,28
1932,31.8,25.7,25,18.8,16.3,11.5,10.9,13.9,16.3,18.6,23.7,25.2
1933,27.4,28.7,24.9,20.5,15.5,13.5,10.4,11.5,16.2,21.2,22.6,24.9
1934,29.1,28.7,27.4,19.6,16.1,12.2,11.6,12.7,17.7,19.6,22.9,25.8
1935,27.4,26.9,24.9,18.5,13.9,11,11.3,14.1,16.7,20.5,24,25.3
1936,29.1,27.2,24.3,18.7,15.2,10.1,11.8,14.7,16.1,19.6,23.9,25.9
1937,26.6,27.1,26.2,19.1,15.7,10.9,10.9,14,17.1,21.9,25.3,26.4
1938,27.4,26.4,26.6,20.9,16.7,11.6,11.7,12.7,17.3,21,25.9,27.9
1939,32.4,28.3,24.3,19.9,16.6,13.1,11,13.2,15.7,20.2,22.8,25
1940,28.9,26.7,27.2,18.3,13.9,11.9,11.7,13.6,16.8,23.2,21.9,27.5
1941,24.7,26.6,23.5,21.5,14.5,12,11.9,13.2,17.5,19.5,25.7,28.1
1942,28.6,27.3,25.7,20.8,16.9,13.1,11.4,14.5,17.3,20.1,23.9,27.9
1943,27.8,28.5,27.4,18.9,14,11.1,10.7,11.9,16.6,20.2,22.7,26.1
1944,28.1,26,24.8,18.1,13.9,11.5,10.9,13.6,18.9,20.7,25.8,26.3
1945,27.2,25.8,23.2,20,15.9,13.5,10.8,14.3,16.7,19.5,22.2,28.3
1946,28.4,26,22.4,17.2,16.5,11,12.2,14,16.5,19.3,24.1,25.4
1947,28.9,29.7,25,19.1,16.5,13.1,11.9,12.8,16.8,19.8,22.8,26.2
1948,27.5,27.7,23,19.6,14.8,11.6,11.4,14.4,17.7,20.1,23.5,25
1949,26.2,24.8,24.1,18.8,14.4,10.3,12,13.9,15.5,19.6,22.4,27.4
1950,26.9,26.1,23.2,20,17.1,12,11.5,13.8,17.3,19.4,24.2,26.9
1951,29.4,28.8,27.1,18.5,15,13.1,12,12.4,18.1,20.5,23.7,26.8
1952,28.9,26.2,25.1,18.6,15.2,13.5,10.4,13,17.2,19,21.8,25.9
1953,27.5,25.6,27.2,22.1,15.4,12.9,11.2,12.4,16.8,19.8,22.8,26.9
1954,27.4,24.8,23.7,20.7,15.7,12.1,12,14.1,16.4,20.5,23.6,27.3
1955,28.2,28.6,24.4,19.6,14,13.8,10.7,14.6,17.8,20.2,21.9,24.5
1956,26.8,28.9,24.4,19.7,15.6,11.2,12.1,11.9,15.5,18.1,22.6,25.4
1957,29.4,26.8,23.9,20,15.7,15.5,10.1,13.4,16.4,20.8,24.3,28
1958,27.5,27.1,23.4,21.2,17.5,11.8,12.4,13.6,14.4,19,24.2,24.3
1959,29.7,27.7,25.3,20.8,15.3,12.7,11.6,15,17.7,20.7,26.5,23.6
1960,31.1,27.3,25.8,19.1,12.7,11.7,11.8,12.2,15.7,20.4,22,27.3
1961,29.7,27.2,25.7,21.8,15.4,12.8,11.3,12.9,18.3,21.7,23.1,26.4
1962,28.2,27.1,24.7,20,14.1,14.6,12.4,13.1,16.8,19.8,25.8,25.7
1963,27.7,29.4,25.5,19.1,15.7,12.3,12.1,13.5,17.3,21.1,24.9,26.9
1964,27.4,25.2,24.6,20.4,14.7,13,12.8,13.7,17,18.2,24.3,23.8
1965,27.2,29.3,25.1,18.3,15.8,12.4,11.4,13.7,18.3,22.7,24.8,29.1
1966,28.3,26.6,24.4,19.5,14.2,14,11.3,11.7,15.1,18.8,24.2,24.7
1967,27.5,27.7,23.3,21.7,16.1,13,11.2,12.4,16.7,22.7,23.7,25.4
1968,28.8,29.3,26.4,21,13.4,12.8,10.1,11.5,16,21.6,22.7,25.3
1969,29.6,27.5,23.6,19.9,14.3,11.6,12.7,13.7,14.4,22,23.2,25.2
1970,26.3,29,23.4,19.8,14.5,13.3,11,12,14.7,20.5,23.1,26
1971,27.9,27.9,26.6,21.2,14.7,11.5,10.9,12.9,17.1,20.1,21.9,25.1
1972,25.7,26.2,24.4,20.3,16,12.7,12.2,13.7,17.6,21,24.2,29.1
1973,31,27.4,25.5,21.4,17.4,11.9,13.8,14,17.4,20.4,23.4,26.8
1974,29.2,26.1,26.8,19.6,14.9,12.2,13.3,14,15.1,19.2,22.8,25.6
1975,26.3,27.9,23.5,19.8,16.9,11.9,13.9,13.1,17.3,18.2,25.2,28.2
1976,25.9,27.2,24.8,19.5,14.1,11.7,11.4,13.4,16.4,18.1,22.6,26.9
1977,28.2,30.1,24,19.2,15.4,11.8,11.4,16.3,16.8,22.8,24.8,27.7
1978,27.5,29.1,25.3,19.4,16,12.6,11.8,12.2,15,19.9,23,25.5
1979,32.4,28,25.7,19.2,14.4,13.5,12.2,13.5,16.9,19.7,25.5,27.7
1980,27,27.5,25.5,21.9,17,12.7,12,14.3,19.1,21.1,26,27.8
1981,31,29.3,22.7,23.3,16.1,12.6,11.5,14.1,19.1,21.3,24,27.1
1982,29.9,28.8,25.3,20.7,16.4,11.1,10.7,16.3,16.8,19.9,26.3,28
1983,27.4,30.5,27.4,18.5,16.5,12.5,10.5,14,18.7,21.5,24.2,28.1
1984,26.7,28.3,23.6,19.9,16.5,12.3,11.1,13.8,14.9,20.7,24.1,26.9
1985,28.8,28.3,26.8,19.9,15.4,11.8,12.2,13.8,15.5,20,24.3,25.2
1986,27.9,27.7,27.7,20.1,16.1,12.5,10.9,13.1,17,18.5,24,25.8
1987,27.5,26.9,22.6,20.9,15.1,13.4,11.5,12.7,17.5,20.7,25.2,27.6
1988,30,26.5,25.4,21.3,17.1,13.3,12.8,14.1,18.1,23.1,22.9,27.6
1989,27.6,28.8,24.3,20.5,15.9,10.9,10.5,11.8,16.5,20.4,23.9,27.6
1990,29.4,25.9,26.6,20.6,17.3,12.7,12.3,13.2,17.9,21.5,26,27.6
1991,30,30.3,24.9,20.8,15.2,15,12.6,13.9,18.1,22.6,24.6,25.8
1992,26.3,28.2,26.4,21.2,16,12.5,12.2,13,15.7,19.7,21.8,24.9
1993,29,28.1,25.2,22.2,16.3,12.1,12.4,15.2,17,19.2,26.2,25.9
1994,28.2,27.7,24.3,20.1,16.5,13.6,12,13,16.7,21.5,23.9,28.9
1995,28.6,27.9,23.7,18.5,14.9,13.5,11.6,15.7,17.2,20.8,24.6,25.8
1996,27.6,27.3,25.8,19.2,15.8,14.2,12.5,14,17.4,21,23.5,27.4
1997,29,30.4,23.2,20.9,16.1,12.4,10.3,13,17.2,21.6,26.3,28.4
1998,28.7,28.3,25.3,19.2,16.8,13.1,10.7,15,18.3,21,24.2,27
1999,31.6,28.2,26.5,19.1,17.3,13,12.5,14.7,19.4,21.6,22.4,26.1
2000,27.6,29.9,27.1,21.8,15.9,13.2,13.4,15.4,19.7,21.3,27,28.4
2001,31.8,31.6,24.6,21.4,16.9,13.9,12.9,15.2,19.4,18.9,23.3,24.8
2002,28.4,26.9,25.9,22.9,17.4,14,13.9,15.3,17.7,22,25.8,27.6
2003,30.3,29.6,23.4,21.4,16.8,13.1,12.5,13.6,18.6,18.3,26.8,28.8
2004,28.4,30.9,25.6,22.1,15.1,13.5,12.1,14.2,17.3,22.4,24.3,26
2005,28.7,26.3,25,24.1,18,13.6,12.6,14.8,17.7,22.1,24.9,28.1
2006,33.2,28.1,26.8,18.9,14.6,10.7,11.5,15.3,18.8,22.1,26.7,27.1
2007,28.4,29.9,24.8,21.9,17.4,10.9,12.2,15.2,18.4,21.9,26.5,27.4
2008,30.2,26.1,26.7,20.2,16.4,13.2,11.7,12.4,18.3,22.3,23.5,25.9
2009,29.9,29.2,24.9,20.4,15.5,12.9,12.5,16,18.2,20.7,27.4,27.8
