1901,31.4,28.8,26.6,22.9,18.6,14.4,12.9,16,21.8,24.8,30.8,32.5
1902,30.5,29.7,28.5,23.4,18.6,14.9,14.3,16.4,22,25.5,28.3,29.5
1903,30.8,30.5,28.3,23.1,18.2,15.4,13.2,16.8,20.6,24.4,28.2,27.8
1904,29.5,28.6,26.8,22.8,18,14.8,14.2,16.6,20.9,23.5,28.5,31.1
1905,31.3,29.5,28.2,24,19.8,14.8,14,15.6,18.7,23.2,29.1,32
1906,32.7,32.9,27.9,26,20.3,17.6,16.4,17.2,20.5,25.7,27.8,29.6
1907,30.1,30,27.4,22.8,18.2,15,15.6,17.6,21,26.3,27,30.3
1908,31.5,29.1,26.5,22.6,17.8,13.3,12.7,15,18.7,23.3,28.7,30.5
1909,28.9,29.3,28.8,22.3,18.2,15.8,13.1,16.8,21.2,25.7,28,29.2
1910,32,31.4,26.7,24.5,20.2,15.9,14.7,17.9,22.6,23.6,28.1,29.3
1911,31.1,29.8,27.9,24.3,19.2,14.4,15.3,17.3,21.2,26.2,30,30.7
1912,32.1,31.5,29,23.3,19.6,14.1,14.7,17.9,21.8,26.5,27.8,30.8
1913,29.3,30.2,27.5,24.4,16.1,13.7,15.7,17.7,20.3,26.1,29.4,31
1914,30.9,31.4,30.3,25.4,18.9,16,14.6,18.5,21.4,26.6,29.2,30.8
1915,29.2,30.8,28.9,24.3,18.5,18,16.2,17,22,25.5,30.1,31.7
1916,31.7,31.4,28.6,22.3,21,17.4,13.5,18.4,22.6,24,26.8,29.8
1917,30.2,26.8,27.6,22.4,16.4,14.3,17.1,15.2,21.5,25.1,27.9,30.8
1918,30.6,28.9,26.3,23.6,19.5,17.2,13.3,16.4,22.6,26.8,29.2,31
1919,31.4,29.1,28.3,24.5,18.8,16.8,15.5,17.6,21.1,25.5,28.6,31.6
1920,29.4,30.1,26.6,21.7,18.3,16,13.7,17,21.3,25.6,27.9,28.9
1921,29.8,30.1,26.5,23.3,21,16.4,15.4,15.4,20.2,24.1,29.3,31.1
1922,31.4,31.4,28.2,25.1,18.1,14.9,12.5,16.6,21.9,25.6,29.2,29.6
1923,30.6,31.8,29.4,24.3,19.5,15.4,14.2,16.2,20.7,24.9,28.5,29.8
1924,30.5,29.9,28.3,21.8,19.5,15.1,15.8,16.9,22,24.4,27.8,30
1925,28.7,29.8,28.1,23.7,19.6,15.2,13.4,15.9,18.8,25.3,29.6,32.2
1926,31.1,32.6,28.3,24.7,17.4,14.7,16.5,17.6,21.4,27.8,29.7,29.7
1927,31.4,29.9,29.4,22.5,18,16.8,14.6,18.3,21.9,26,29,30.5
1928,30.9,29.8,30.4,26.2,19.1,15.5,15,19.1,23.8,26.3,30.4,31.8
1929,31.7,31.6,26.5,23.4,19,14.7,12.8,17.7,19.4,25.1,30,29.4
1930,30.4,31.3,28.3,23.9,19,17.4,16,17.1,22.1,25,29.1,29.1
1931,29.4,29.5,27.4,22.6,17.9,15.1,15.1,16.6,20.8,23.5,26,30.5
1932,33.1,29.9,28.5,22.2,19.1,14.8,14.7,17,20.5,25,28.3,30.4
1933,30.9,32,28.6,22.6,18.7,16.5,13.7,15,20.2,25.5,26.9,29
1934,31.7,31.5,28,23,19.1,15,14,17,21.3,24.6,26.1,29.7
1935,30.2,30,28,22.2,18.2,13.9,14.7,17.1,20.4,25.1,29.8,30.2
1936,32.3,31.3,28.2,22.9,18.2,14.8,15.3,19.5,21.1,25.8,29.3,31.2
1937,28.9,30.7,28.7,22.1,20,15.3,12.8,16.3,20.4,26.6,29.4,30.4
1938,29.8,29.7,29.2,24.1,20.2,15.7,14.4,16.1,22.1,27.2,30.5,32.1
1939,30.6,29.6,27.2,23.6,20,15.7,13.3,16,20.4,24.2,27.1,30.3
1940,31.5,28.8,29.2,22.4,17.4,15.6,14.6,17.6,21.9,27.3,27.1,30.9
1941,30,30,27.2,24.9,18.6,15.7,15.4,16.8,21.7,24,28.4,30.6
1942,29,28,27.4,22.7,20,16,13.8,18.2,22.2,25.1,27.9,29.3
1943,31,29.4,29.4,24.4,17.4,14.6,14.5,15.7,20.2,25.7,26.9,29.9
1944,30.9,29.4,28,23.1,17.8,14.3,14.4,17.3,22.9,25.7,29,29.6
1945,28.3,28.9,27.7,23.8,17.9,16.2,12.9,17.2,20.1,23.1,27.3,30.6
1946,31.1,27.4,25.3,21.1,19.5,14.4,15.7,17.5,21.2,24.5,28.2,30.7
1947,31.6,30.8,27.6,22.4,17.8,16.4,14.8,16.1,19.6,23.8,28.1,30.3
1948,30.9,29.9,27.1,22.8,17.6,14.3,14.2,17.4,20.9,26.1,27.8,30.6
1949,30,27.8,26.4,21.8,17.8,14,15.4,17.4,19.6,25.1,27.1,30
1950,30.2,29.5,27.7,23,20.4,14.1,12.9,16.8,21.4,23.2,27.5,29.6
1951,30.6,29.6,28.7,23,17,16,13.2,15.1,21.2,24.7,29.2,31.3
1952,30.4,29.9,28.3,23.4,18.7,15.5,14.4,15.2,21,23.9,27.4,30.3
1953,29.6,28.8,29.6,24.7,18.6,16.2,14.8,15.1,20.2,25.2,27.5,30.1
1954,31.2,29.6,29.8,22.6,18.3,14.6,14.6,16.3,21,24.5,28,30.9
1955,30.2,31.2,27.9,23.1,17.9,15.9,13.9,17.9,21.7,24.7,26.9,30.7
1956,30.7,30,27.8,23,18.2,14.5,14.5,15.3,19.6,24,27.6,30.8
1957,32.5,29,28.7,26.3,19.8,17.6,12.1,17.5,22.2,27.5,30.4,29.2
1958,30.4,31,28,25.5,21.6,16.3,14.8,16.4,19.1,24.5,28.7,29.9
1959,32.5,30,29.4,25,18.2,16.1,15.2,18.1,22.2,27,30.9,28.9
1960,31.3,29.8,29.1,23.9,16.4,15.2,15.6,16.1,20.3,26.1,28.4,29.6
1961,31.2,29.9,30.1,24.9,18.9,16.4,12.7,16.6,23,27.4,28.2,31.5
1962,30.7,29.9,28.1,24,18.1,17.5,14.2,16.3,21.1,25,29.6,30.9
1963,31.2,31.2,29.7,23.1,19.4,15.2,15.5,16.9,21.8,26.3,29.2,30.5
1964,30.9,29,29.1,24.3,18.6,16.3,16.5,17.8,21.5,22.7,27.4,30
1965,31.6,33,28.1,23.8,20.5,16.1,14.3,18.2,22.3,26.8,29.3,31.4
1966,31.1,31.4,28.4,24.8,17.5,16.3,13.6,14.7,19.8,23.2,27.3,27.7
1967,29.8,26.1,24.9,24,19.6,14.6,13.4,16.5,21.1,28.9,29.4,29.8
1968,31.3,30.9,28.1,24.4,16.3,16.5,12.9,13.8,18.8,23.9,27.9,28.6
1969,32.3,26.7,26.6,23.3,19.7,14.4,14.1,17.3,19.5,27.1,29.7,30.1
1970,31.9,31.4,29,23.8,18.3,17.5,15.1,16.1,18.9,27.1,27.5,30
1971,32.2,30.5,29.5,23,18.8,14.4,14.6,16.4,21.6,26,26.9,29.7
1972,29.6,29.7,27.5,23.1,19.2,16.6,14.9,16.6,23.1,26.3,29.8,32.5
1973,30.7,29,28.6,25.5,20.7,15.4,17.2,17.3,20.2,24.4,28.3,30.2
1974,29,26.6,26.5,20.6,17.7,14.5,16.3,16.7,20.1,23.4,25.7,28.7
1975,30.9,29.4,28,23.9,19.9,15.1,16.4,15.7,21.6,22,27.1,28.9
1976,28.7,29.3,26.9,23.3,18.3,14.6,14.4,17.1,21,22.8,25.8,31.9
1977,31.5,31.1,28.2,22.9,18.5,15.5,14.5,19,20.2,27.1,29.1,31.2
1978,30.7,30.8,29.3,24.4,18.8,14.6,13.1,15.3,18,25.2,27.7,29.3
1979,33.4,30.1,30.2,23.9,16.4,16.7,14.8,17.1,20.5,25.1,30.3,31.1
1980,31.8,30.3,30.7,23.8,20.1,16.2,15.1,17.9,24.3,24.7,29.7,31.5
1981,32.2,28.7,26.6,26.2,19.2,14.3,14.5,18.1,23.8,26,26.4,30.8
1982,31.3,28.6,25.3,22.7,18.8,14.3,14.1,18.7,21.1,25.6,29.8,31
1983,29.2,31.2,25.9,20.9,18.9,16.2,12.8,18.1,23,26.6,29.2,30.4
1984,28.4,31.2,26.1,23.6,20.5,15.3,13.3,16.6,19.7,26.2,29.7,30.4
1985,32.5,31.3,28.9,24.3,19.2,15.2,16,18,21.6,24.8,29.3,30.8
1986,31.2,31.7,31.5,24.3,20.4,16.4,12.6,15.1,22,24,29.3,31.7
1987,30.6,28.2,26.9,25.5,17.8,16.4,15.3,16,21.4,27.2,29.3,29.9
1988,32,29,28.3,23.8,18.7,16.4,15.7,16.8,22.3,28.3,27.2,29.4
1989,30.6,31.7,25.5,22.6,18.9,13.8,13.9,15.2,22.4,26.2,27,31.4
1990,31.3,28.2,29.6,24.4,20.1,14.8,14.8,17.8,21.5,26.1,31.6,32
1991,32.9,32.8,29.7,25.3,20,17.7,16.2,18,22,28.7,27.3,30.1
1992,30.3,30.2,30.6,24.5,18.6,16.9,15.6,15.9,20.4,23.2,26.5,29
1993,31.9,29.4,29.8,26.3,19,14.9,14.4,16.6,20.9,24.7,29.4,29.2
1994,32.6,30.1,27.5,23.1,20,15.8,15.2,17.1,23.7,26.9,28.2,31
1995,30.7,28,26,23.7,17.3,16.2,14.8,18.6,23.4,24.9,28.2,30.1
1996,31.9,31.1,29.3,24.8,19.2,17.9,15.9,17.8,23.6,26.6,29.6,30.9
1997,30.7,30.4,29.3,25.1,18.2,15.5,13,16.9,23.2,26.2,28.9,31.2
1998,32.5,32.4,28.9,24,21.8,16.5,13,18.6,23,27.2,28.7,29.6
1999,32.3,27.5,28.2,21,20.9,16.4,15,17.2,23.3,24.7,26.4,27.7
2000,28.4,27.7,26.9,20.6,15,14.1,15.9,15.9,24.6,23.8,27.6,30.4
2001,32,30.1,23.3,22.3,18.2,14.7,14,16.7,21.6,22.1,26.5,27.6
2002,29.7,26.2,26.8,25.3,21.4,15.6,15.6,17.5,22.8,27.2,28.4,31.4
2003,31.7,31.1,27.5,24,19.3,16.4,16.2,17.3,23.1,24.7,27.7,29.8
2004,31.6,29.7,27.6,24.2,17.8,16.5,15.1,16.2,21.2,28.5,28.3,30.9
2005,32.3,31.9,30.1,27.8,22,15.4,14.6,16.4,23,25.9,28.4,30.3
2006,31.2,28.7,27.9,22.8,17.7,13.9,13.7,18.7,23.9,27.2,31.2,30.2
2007,31,33.7,26.5,24.3,19,13.4,15.9,17.7,24.1,26.6,28.1,28.8
2008,33.2,29.2,28.7,24.8,20.3,16.2,15.9,15.1,23.1,27.7,27.1,29.1
2009,32.4,31.6,28.7,24.1,17.6,15.8,15.2,20.1,22.9,26.2,30,31
