1901,29.4,29.8,26.8,22.5,18.7,12.7,11.9,14.7,21.2,22.6,27.9,29.5
1902,31.3,30.4,26.9,22.8,18.6,15.4,14.6,14.7,18.9,23.1,28.9,28.5
1903,31.2,30.6,27.7,23.3,16.8,13.9,12.7,14.7,18.8,20.8,24.4,27.4
1904,29.9,28.8,24.3,21.7,18.1,13.7,13.1,15.9,18.3,23.5,28.5,29.7
1905,31.5,28.8,27.1,22.3,17.8,14.8,13,15.7,16.5,20.2,27.2,28.3
1906,31,29.7,24.8,24.5,18.7,15.3,15,15.2,17.5,23.7,24.8,28.4
1907,27.8,29.1,25.1,22.9,18.3,14.1,13.4,16.7,20.9,24,24.8,29.5
1908,32.4,26.4,26.9,23.4,19.2,14.5,12.6,15.6,17.6,22.1,27.7,30.3
1909,29.5,26,27.1,19.7,16,15.1,12.6,14.8,18.1,23.2,27.1,28.7
1910,26.8,28,24.6,23.8,19.5,15.9,13.2,17.9,21.8,22.7,26.7,28
1911,26.2,25.7,25,22.6,19,13.9,14,15.6,20.8,22.6,28.5,29.3
1912,29.5,27.1,27,23.4,17.4,15.5,13.4,16,18.9,24.2,27.9,30.4
1913,30.4,30.3,26.6,21.8,16.1,13.5,14.4,16.4,19.3,25.3,25.5,30.6
1914,30.2,29.4,26.1,24.5,17.6,16.1,12.9,17.8,19.7,23,26.4,27.5
1915,28.9,30.8,28.7,22.7,16.5,15,14.2,15.3,21.5,22.8,27.9,26.5
1916,31.3,29.7,25.8,22,19.1,13.8,13.5,14,19.6,20.2,22.1,26.6
1917,29.3,25.9,26.5,21,16.7,14.7,13.7,15.7,19.6,22.7,22.3,27
1918,25.2,26.2,25.2,21.7,18.9,15.5,13.4,15.7,20,23.2,28,30.9
1919,32.2,29.7,26.7,23.5,18.9,14.8,14.7,16.6,21.9,25.9,29.8,29.8
1920,26.3,28.3,25.5,22.3,18.5,14.4,13.2,14.5,17.7,22,27.6,26.7
1921,26,28.5,24,21.5,17,15.2,14.6,14.5,20.4,21.2,27,26.4
1922,26.9,27.2,27.3,26,18.7,15.3,12.9,14.9,18.5,24.8,29.3,29
1923,30,31.8,29.1,21.9,20.2,14.9,12.3,14.7,18.3,23,23.1,31.6
1924,28.8,27.6,26,21,15.8,13.4,14.4,16.4,20.5,20.7,23.4,25.5
1925,25.7,29.6,25,22.7,17.1,15,13,14,17.5,23.6,26,29.5
1926,28.3,33.6,25.6,21.2,15.2,14.7,14,15.5,19.6,23.5,27.3,25.6
1927,26.4,27.5,26.4,21.2,16.9,14.3,14,16.3,19.3,25.2,26.8,25
1928,26.1,27.4,26.4,22,16.9,14.2,14,19.1,21.8,23.6,28.1,30
1929,32.9,26.6,26.4,21.4,17.6,14.3,13.7,16.2,19.5,21.9,24.9,29
1930,28,30.5,25.1,21.3,17.9,14.3,14.1,15.7,19.4,22.8,27.5,27.7
1931,29.8,28.8,24.9,20.3,17.1,14.1,12.9,16,20,23.2,25.6,26.4
1932,33.3,29.9,26.2,21.6,18.1,13.8,13.9,17.5,18.1,21.3,26.9,29.2
1933,28.5,29.4,28.3,21.6,17.7,14.8,13.6,15.2,18.2,23.8,23.2,25.8
1934,28.1,26,26.8,21.2,19.5,14.8,14.1,15.1,19.8,21.7,24.5,25.1
1935,26.8,28.1,26,22.1,17.8,15,13.8,16.9,18.2,24.2,27.4,27.1
1936,27.5,26.6,24.8,21.7,19.1,14.5,14,16.8,19.8,24.5,27.8,28.2
1937,28.6,26.9,25.3,21.2,18.5,13,14,16.9,20.4,22.5,24,30.1
1938,28.8,28.1,28.5,22.9,18.8,14.5,13.5,14.6,20.6,24.9,27.9,31.5
1939,31.6,33.2,24.8,21.8,19.9,13.8,12.3,13.5,19.2,21.9,25.6,30.6
1940,31.7,32.7,30.4,21.6,16.5,16.1,15.7,17.6,21.8,26.1,26.1,28.9
1941,24.6,27.2,25.5,24.1,19.7,14.9,15.4,16.6,21.5,23.7,28.4,29.9
1942,32.5,27.6,27,24.1,19.4,15.9,13.7,16.7,19.8,21.3,24.8,27.5
1943,28.4,30.3,29.1,21.1,17.7,13.5,13.3,12.5,17.7,22.1,22.9,26.4
1944,31.1,28.7,26.4,22.1,16.6,15,14.3,15.3,20.6,25.8,30,31.7
1945,30.4,28.7,27.6,21.7,17.3,14.6,13.8,15.3,19.7,23.2,27.8,29.9
1946,33,30.6,24.7,21.1,19.4,13.6,14.8,17.9,20,23.2,29.3,29.5
1947,31.4,27.5,27,21.6,20,14.7,13.7,15.7,18.8,21.5,22.5,24.8
1948,24.8,28.9,23.4,20.2,16.5,14.2,13.9,17,18.8,23.1,25.4,30
1949,27.1,28.2,24,20.8,17.2,12.6,14,16.1,17.9,22.5,24.1,28.8
1950,28.5,26.3,25.6,20.7,17.1,13.5,13.9,15,20.7,20.1,23.3,28.3
1951,25.2,28,27,20.4,17.7,14.5,13.2,13.8,20.4,21.6,26.8,28.9
1952,32.2,28.8,26.8,20.5,16.2,14.2,13.6,14.6,18.9,21.4,24.6,27.9
1953,26.5,25.3,26.8,24.3,17.3,14.4,14.5,15.2,19.5,21.9,25.6,30.6
1954,26,25.5,26.4,23.4,17.8,14.7,14.5,16.6,18.1,22.2,24.5,27.5
1955,28.2,25.6,26.4,21.9,16.4,13.9,13.4,15.4,19.5,21.8,24.4,25
1956,27.4,24.8,24.5,20.8,16.2,13.5,12.5,14.3,17.5,19.5,24.2,28.6
1957,29.9,26.8,25.4,22.9,18.2,17.5,11.9,15.3,18.8,23.9,28.8,31.3
1958,28.1,27.4,26.5,22.5,19.6,14.5,13.8,15.6,16.6,21,27,25.9
1959,27.5,27.9,24.9,22.2,17.7,15.1,14,15.8,18.5,20,26.7,26.5
1960,30.7,27,25.2,22.8,16.2,13.7,13.8,14.6,17.7,22.1,23.4,25.5
1961,27.6,27.5,25.7,21.8,17.3,14.8,13.3,13.9,18.3,24.1,24.7,25.8
1962,24.8,26.6,25.1,21.1,15.8,15.9,14.5,14.2,17.8,20.9,26,23.9
1963,26.3,27.3,24.3,21.6,17.1,13.5,12.4,14.6,17.8,21.3,22.9,26.6
1964,28.9,27.9,26,21.7,16.8,13.6,13,15.2,18.1,19.3,25.3,27
1965,28,30,28.5,21.2,18.2,15.2,13.1,16,21.7,23.4,25,26.5
1966,28.7,28.1,25.5,22.9,17.5,14.9,13.1,14.6,17.5,20.8,24.2,25.7
1967,28.3,27,22.7,22.3,18.5,14.9,14,13.4,18.4,22.8,26.6,27.2
1968,26.9,29.4,27,24.5,15.3,13.3,12.7,13.9,17.7,22.6,26,25.8
1969,31.3,28.3,25.5,22.3,16.8,14,14,16.5,15.3,20,22.5,26.9
1970,27.1,27.7,24.9,21.9,16.4,15.1,14.4,14.6,15.7,22.7,22.7,25.1
1971,26.2,25.3,24.7,21.3,17,14.3,13,14.7,17.9,22.7,22.2,25.8
1972,24.9,25.2,24.5,21.1,17.4,15.5,14.1,16.7,21.8,21.8,23.6,28.8
1973,30,25.2,26.5,23.5,19.4,14.6,15,15.3,19.4,20.4,23.3,26.8
1974,25.5,26.4,25.8,21.5,18.2,14.7,13.2,14.3,16.7,20.4,22.6,28.4
1975,29,27.2,24.2,21.1,18.7,14.5,15.5,15.3,18.2,20.3,25.8,27.5
1976,26.7,25.9,24.2,21.5,18.6,15.3,14.5,15.5,16.8,18.6,23.9,29.5
1977,29.7,28.3,25.4,23,16.6,13.7,13.6,17.9,17.6,24.6,27.5,30.3
1978,27.6,29.1,26.1,21.4,18,13,12.7,14,16.2,20.8,23.4,25.4
1979,30.6,30.1,25,21.6,16.6,15.9,14.5,15.6,17.8,22,26.8,31.8
1980,29.3,29,28.3,24.5,18.2,14.8,13.3,17.4,21.9,24.4,28.1,28.8
1981,31.3,27.8,26.4,23.4,17.1,13.3,12.9,13.8,20.7,22,21.6,27.6
1982,29.4,29.1,23.2,22,18.6,14.5,13.4,19.3,19,22.4,29.1,28.8
1983,30.3,31.7,28.4,19.4,17.2,13.5,13.3,14.9,19.2,21.7,23.1,26.5
1984,25.7,26.8,24,21.4,17.9,16.4,12.2,15.2,16.7,21.7,25.3,27.2
1985,31.8,28.1,27.3,22.1,18.7,14.7,14.8,15.1,17.8,21.1,23.6,26.5
1986,27.8,28.5,28.8,24.8,19.1,15,13.4,14.9,18.7,20.4,23.2,26.9
1987,30.6,29.5,23.1,22.8,17.6,14.9,14.1,15.5,19.7,20.4,24.7,26.7
1988,29.3,26,24.5,20,17.9,15.2,15,16.4,18.9,25.5,25.3,26.8
1989,26.4,27.3,25.3,21,17.9,13.4,11.8,13.4,18.6,22,23.7,26.8
1990,28.6,25.7,24.5,19.8,18.1,13.5,13.3,12.8,17.4,21.5,27,31.6
1991,30.3,31.3,28,23.4,18.3,16.6,13,14.9,18.9,24.4,25.1,25.4
1992,28.1,25.1,24.9,21.5,17.6,14.2,15.2,15.3,17.3,21.1,22.4,24.2
1993,29.9,28.7,24.1,23.9,18.7,14.2,15.1,16.3,17.9,20.5,24.3,26.3
1994,30.9,28,23.2,22.9,19.2,15.5,15.1,16.4,20,22.9,26,28.2
1995,25.8,27.6,26.1,21.5,18,14.6,13.1,19.2,18,22.3,25.1,24.8
1996,26.8,26.4,25.9,22.5,19.4,15.7,13.4,15.5,18.5,21.6,23.7,26.9
1997,27,28.6,26.2,24.6,18.8,15.9,14.6,16.4,18.1,22.7,28.6,30.4
1998,29.6,29.9,29.6,23.3,17.8,14.5,12.8,15.7,18.6,20.5,22.3,27.9
1999,30.4,27.5,26.5,20.6,20.3,15.5,15.1,16.5,19.8,21.6,21.3,25.4
2000,26.5,29.3,25.5,21,17.1,14.1,14.5,15.1,21.2,20.5,23.6,28.2
2001,32.1,29.1,24.5,23.1,17.5,16.3,14.9,16,20.2,21.7,24.4,28.6
2002,30.3,26,26.7,23.2,18.5,15.5,15.8,18.1,21,25.4,30.1,28.4
2003,31,28.6,24.8,21.1,18.8,16.3,14.5,15.8,19.8,19.9,24.5,27.7
2004,31.6,32.1,26.3,24.8,19.2,16.1,14.6,16.2,19.3,22.7,25.1,27.1
2005,30,29.3,25.9,26.1,20.1,16.6,15.2,16.9,19.1,22.9,24.9,31
2006,31.4,30.9,27.8,22.8,18.8,14.5,13.5,16.8,20.8,24.1,26.4,26.4
2007,29.9,28.8,26.3,21.8,18.8,12.2,12.9,16.8,19.3,25.2,23.6,25.2
2008,27.8,24.5,25.8,20,18,15,13.4,13.8,19.1,23,23.5,26.3
2009,30.5,27.9,25.9,20.5,17.8,13.8,13.7,18.4,20.2,21.3,28.1,27.6
