1901,31.4,33.5,28.9,22.9,21.4,14.9,13.5,15.8,21.2,23.5,31.4,33.1
1902,31.8,31.8,27.7,24.9,21.3,16.4,16.6,16.1,21.4,25.3,30.2,29.2
1903,31.3,29.8,30.3,23.9,18.5,15.1,15,16.1,19.2,24.1,27.7,29.2
1904,30.9,29.5,25.9,24.6,20.6,16.1,14.1,16.2,18.9,23.9,26.7,31.4
1905,34.1,30,27.8,22,19.6,16.1,14.8,15.7,17.2,20.6,26.7,30.6
1906,35.2,33.9,25.7,23.5,19.9,17.1,15.5,15.2,19.4,23.7,24.1,31.1
1907,31.3,32.7,27,22,20.7,16.1,15.9,16.7,22.7,25.5,29.7,31
1908,36.6,33.2,27.7,25.8,19.1,14.7,14.8,15.7,18.5,25.5,29.9,31.3
1909,30.7,29.7,27.8,19.8,18.3,15.7,14.8,15.7,18.8,25.7,27.5,27.8
1910,31.7,33.1,27.2,25,19.5,16.3,15.1,17.8,19.9,21.6,27.4,27.6
1911,30.7,28.1,26.4,22.3,19.4,15.1,15.5,18.4,20.5,23.4,29.3,29.5
1912,32.4,34.1,29.6,22.9,20.6,15.7,14.9,16.8,19.8,24.5,25.6,29.7
1913,31.2,32.2,26.6,24.8,17,15.7,16.3,17.9,19.1,24.2,26.8,31.9
1914,32.7,34.5,29.2,24,19.6,17.8,15.6,19.7,21.5,27.4,30.3,31.2
1915,31.5,33.2,28.1,23.1,18.1,17.1,16.2,16.7,20,21.8,26.3,30.9
1916,32.3,32,28.9,21.8,20.2,15.9,15.1,15.8,20.4,21,22.8,29.3
1917,30.5,27.8,27,21.7,17.6,16.4,15.4,16,19.3,22,24.2,30.9
1918,31.3,30.1,27.7,22.1,19.6,16.5,14.6,16.4,21,22.4,27.5,30.9
1919,32.3,32.3,26.3,26.4,18.9,17.2,15.8,17.9,21.9,25.2,29.6,31.8
1920,30.5,33,28.3,22.9,18.3,16.2,16.1,15.9,18.5,23.7,26.4,30.3
1921,32.5,31.9,27.6,23.9,20.9,16.9,17.1,16.3,20.5,23.4,28.2,29.1
1922,29.3,32.6,28.7,24.9,19.1,16.1,15.5,16.3,19.3,24.1,29.1,29.2
1923,30.3,33.8,29.7,27.3,20.4,15.5,14.8,15.7,19,22,24.7,30.5
1924,28,28,26.9,20.8,19.3,14.8,15.7,17.5,18.7,23.1,25.6,28.6
1925,29.9,30.2,28.6,25.5,18.2,17.1,13.8,15.7,18.2,24.8,27.7,30.3
1926,30.9,33.4,29.3,23,17.6,16.6,17.1,16.5,21.5,23.9,27.8,29.3
1927,31.9,30.2,27.7,23.4,19.2,16.1,15.5,16.7,20.9,25.4,28.8,29.2
1928,29.6,29.3,29.3,24,18.3,15.2,15.4,19,22.6,22.9,27.5,31.5
1929,33.1,34.2,26.7,22.8,19.8,14.9,14.3,17.4,20.2,23.7,25.2,26.3
1930,31.5,34.5,30,23.5,18.8,15.7,16.1,15.9,19.9,23.9,26.5,30.2
1931,29.2,31,27.6,21.8,17.5,13.8,13.3,15.2,19.2,22.4,26.3,32.3
1932,35.3,27.4,27.7,20.9,19.3,14.7,14.5,16.2,20,20.7,27.7,28.8
1933,29.8,31.7,27.9,23.4,18.6,17.4,15.1,15.6,18.7,25.2,27.2,28.2
1934,32.4,31.1,31.3,21.7,21.6,16.2,15.5,16.6,21,21.9,25.8,29.8
1935,30,29.5,27.4,21.8,17.6,14.7,15.1,17.9,19.6,23.3,26.7,30.3
1936,31.3,30.7,27.2,21.6,20,13.6,14.3,17.2,18.3,22.4,27.1,29.4
1937,29.1,31.8,30.4,23.4,19.6,14.7,15.5,18.3,21.3,24.8,29.2,29.9
1938,30.4,30,30.9,25.5,22.3,15.9,15.6,17.4,21.7,25.7,29.8,30.8
1939,36.7,33.3,28.2,23.9,20.3,15.5,14,16.4,20.3,23.6,24.9,29
1940,31.6,30.3,32.7,22.7,18,16.5,15.9,17.7,20.5,26.5,26.3,31.6
1941,29.6,30.3,27.2,27,19.4,16.5,15.3,17.4,20.3,21.9,28.4,31
1942,32.8,31.3,29.6,24.5,19.2,16.3,14.8,17.5,21.2,24.3,27.5,31.8
1943,32.8,32.6,30.7,21.5,18.7,15.5,15.6,15.3,19.6,23.4,26.1,30.4
1944,32.8,29.9,29.6,21.5,17.8,15.9,15.7,17.5,22.8,24.8,29.4,29.1
1945,31.6,28.8,27.4,24.2,20.1,18.1,14.6,17.4,19.8,23.2,26.9,33.4
1946,32.3,28.8,24.7,21.4,20.3,14.7,16.5,17.4,21.2,23.7,27.5,30.5
1947,33.5,32,28.4,23.5,22.3,18.1,15,16.4,20.9,22.7,26.2,29.4
1948,31.8,32.3,26.7,23.3,17.8,15.7,15.7,18.8,22.2,23.7,27.1,29.7
1949,31.8,27.8,27.3,22.6,17.5,14.7,15.6,18.6,20.1,23,26,29.4
1950,31.5,29.2,26.7,23.7,19.9,15.4,16.6,18.2,22.1,23.7,27.9,33
1951,35,33,31.4,20.7,18.6,16.2,15.3,15.1,21.2,23.6,28,31.6
1952,33.7,29.9,29.7,20.7,17.8,16,14.8,17.4,22,22.2,25.9,30.1
1953,32.7,31.2,31.5,25.5,20.4,16.6,16.3,16.5,19.7,23.1,27.1,31.1
1954,32.8,29.2,28.3,24.9,19.3,16.1,16.4,17.8,21.1,24.2,27.8,30.6
1955,33,31.9,29.1,23.6,17.8,15.5,14.8,17.4,21.1,24.2,25.5,28.3
1956,31.1,33.8,28.2,22.3,17.4,14.2,14.5,15.3,18.3,21,25.2,28.6
1957,33.1,31,27.9,22.9,19.8,19.4,13.9,17.4,20.5,25,28.3,31.5
1958,30.7,30.8,28.1,25.5,21.1,16,15.1,16.3,18.5,21.6,28,27.2
1959,34.4,31.6,29,25.4,19.3,17.7,16,20,21.5,22.9,31.1,27.7
1960,35.2,29,30.3,22.6,16.3,15.2,14.8,15.3,19,25,24.6,32.9
1961,34.8,32.3,29.4,23.9,20,18.2,15.5,17.4,22.1,27.1,27.4,30.5
1962,32.7,30.8,29.3,25.1,17.3,18.5,16.9,17,20.6,22.9,29.2,29.2
1963,30.4,31.9,28.8,22.7,18.5,15.2,14,16.9,21.1,26.2,28.1,31.7
1964,31.9,30.4,30,23.3,19.5,16.7,15.9,18.1,19.9,22,29,26.7
1965,31.6,33.6,29.9,21.5,19.8,16.9,14.6,16.7,21.3,26.8,26.9,33
1966,33.4,30.7,27.9,23.1,18.2,15.5,14.5,16.3,19.9,23.9,28.5,29.1
1967,32.1,33.1,28.4,26,20.3,18.1,16.2,16.3,20.8,25.9,28,29
1968,34.3,34,30,25.2,16.8,14.6,14.1,16.2,20,24.8,26.5,29.4
1969,34.7,30.4,26.6,23.7,17.1,16,16.7,18.8,16.9,25.4,26.6,28.2
1970,30.6,33.6,27,24.1,17.9,17.2,16.6,16,17.6,24.1,26.8,29.7
1971,31.8,31.2,29.6,25.4,19,15.8,15.4,16.8,20.4,23.7,25.5,29.9
1972,30.8,31,28.5,24.6,20.6,17.8,16.1,18.2,22.2,24.8,27.5,32.2
1973,33.9,30.2,27,23.9,19.9,14.4,16.2,17.1,20.7,22.9,26,30.8
1974,31.2,30.3,30.6,20.8,19,16.1,15.5,16.9,17.7,21.8,26.4,29.8
1975,30.7,32.5,27.1,23.4,21.1,16.7,18.2,16.5,21.1,20.8,28.1,30.8
1976,30.1,32.3,29.1,22.5,18.5,16.5,16,17.5,19.5,20.4,25.9,30.7
1977,32.9,32.7,27.5,21.9,18.5,15.1,15.6,21.3,19.8,26.3,27.7,31.6
1978,30.9,32.1,27.9,24,19.9,14.8,14.3,15.3,18.9,24.2,27,29.9
1979,36.6,31.6,29.2,21.6,17.1,17.2,16,16.8,20,23,28.7,31.6
1980,30.3,31.8,29.1,24.9,19.6,15,14.8,18.2,23,24.3,30.1,32.4
1981,35.9,32.8,25.7,25.4,18.8,14.6,14.6,15.8,22.1,24.8,26.9,30.8
1982,33.8,32.3,28.8,23.7,19.6,14.8,15.3,21.4,20.5,24,31.5,31.2
1983,31.1,35.1,28.6,20.9,19.2,16.1,14.7,17.5,20.3,23.1,26.7,30.7
1984,29,31.6,26.6,22.7,20.1,17.4,14.3,16.9,17.5,23.7,27.4,29.9
1985,32.1,32,30.2,24,19.5,16.3,16.1,16.5,19.4,24.2,27,28.3
1986,30.7,30.8,31.5,24.1,19.1,15.4,14.1,16.3,19.6,21.1,27.3,27.8
1987,30.3,31.6,26.2,25,18.5,16.4,15.2,16.5,21.3,23.2,28.9,30.7
1988,33.8,31.4,29.4,24.8,19.9,16.5,15.4,18.3,22.2,26.7,26.4,31.4
1989,31.2,32.8,28.5,22.9,18.6,14.1,14.1,15.2,21,24.3,29.6,31.6
1990,32.8,30.2,30.6,24.3,18.8,15.7,15.5,15.9,21.3,25.6,30.2,32.3
1991,32.4,33.5,28.6,23.4,19.8,17.7,15,16.6,20.7,27.2,27.4,29.8
1992,29.4,31.5,30.3,24.2,18.2,15.7,16.5,16.1,17.4,23.7,24,28.7
1993,30.6,31.3,28,26.1,20.1,15.6,16.1,19.4,19.8,22.4,27.3,28.1
1994,31.2,30.8,27.8,24.4,20.2,17,16.9,16.9,20.2,25.3,27.1,33.8
1995,32.1,31.9,26.8,20.9,17.5,16.1,13.7,19.9,20.6,23,28.5,29.6
1996,31.4,30.2,29.1,21.5,19.7,16.5,14.2,16.6,20.1,24.8,26.3,29.9
1997,32.6,35.4,26.5,24.6,18.5,16.3,14.7,16.4,19.2,25.3,30,32.1
1998,31.9,31.5,29.6,21.6,19.7,15.9,13.8,18.4,21.9,23.4,27.3,32.1
1999,35.5,31.3,27.3,23.1,20.1,16.2,15.7,17.5,22.4,25.1,25.3,28.6
2000,31.4,33.9,28.7,23.8,17.9,15.6,15.6,16.8,21.5,23.6,30.1,32.7
2001,37.3,34.1,28.2,24,19.7,17,15.1,18.1,22.6,22.1,27.1,28.6
2002,31.8,30.3,29,26.4,20.2,17,17.2,18.5,22.4,25.6,30.3,32.5
2003,34.2,32.7,27.4,25.3,19.6,16.5,15.4,16.2,20.7,22.1,30.2,32.8
2004,31,34.8,29.5,25.4,19.1,16.4,14.9,18.2,20.6,27.4,27.7,30.6
2005,32.5,30,28.7,27.7,21.5,17,15.7,18.4,19.9,23.6,28.7,32.5
2006,36.4,32.2,30.3,21.1,17.9,15.2,15.2,19.3,23.5,27,30.4,31.7
2007,32.3,34.8,29.1,25.8,21,13.9,15.4,20,22.5,26.3,31.1,32.3
2008,34.1,30.2,32,23.5,19.7,17.6,14.8,15.6,22.5,27.3,27,29.1
2009,36,34,28.7,23.7,19.2,15.9,15.7,19.8,22.3,24.9,32.2,32
