1901,34,28.6,27.7,27.1,21.7,18.1,16,19.2,22.1,25.3,31.2,33.1
1902,30.5,30.3,31,28.6,21.1,17.5,16.7,18.4,21.8,24.7,28.4,30.3
1903,33.5,30.4,28.5,22.9,19.4,17.6,15.1,18.3,20.2,23.7,27.9,28.6
1904,32.1,30.7,27.7,27.2,20.1,16.6,15.4,18.5,20,22.6,30.1,32.7
1905,33,29.8,29.2,25.7,20.9,16.9,17.3,16.9,18.8,23.9,30.1,33
1906,35,33.5,30.2,27.2,21.8,18.8,16.8,16.8,19.6,25.4,26.7,31.6
1907,30.5,32.2,27.8,25.2,21.3,17.3,17.2,19.3,23.2,25.3,26.7,30.3
1908,33.5,30.3,27.5,22.2,19,14.9,16.1,16.7,21.2,25,29.4,34
1909,29.8,30.6,29.7,23.3,21.1,16.9,16,16.2,21.6,24.6,28.6,31.9
1910,33.6,31.9,29.5,27.3,20.3,16.6,14.8,20,21.6,21.9,28.2,30.3
1911,33.9,30.3,28.4,26.6,20.2,16.8,17.1,17.3,21.3,24.7,32,31.5
1912,34,34.7,30.5,24.6,22,17.9,16.3,20.1,22.3,25.6,27.4,33.6
1913,31,32.6,28,24.9,19.6,18.7,16.9,18,21.9,24.2,30.2,31
1914,33.5,32.5,30.2,25.6,21.5,19.2,16.9,20.6,23.6,27.5,27,30.1
1915,30.1,29.2,27,24.9,20.4,17.8,16.4,17.7,20,25.2,29.6,31.8
1916,31.3,32.4,29.4,23.9,22.7,16.2,14.9,18.4,22.6,22.4,26.8,30.4
1917,31.8,29.6,26.1,23,18.5,16.7,16.6,17.1,19.8,22.5,26.8,29.8
1918,32.3,29.6,27.4,24.6,20.4,17.6,16.2,17.1,23.5,25,30.5,31.8
1919,33.5,32,30.8,25.2,19.9,17.9,19.2,17.6,20.8,23.8,26.5,30.9
1920,31.4,31.5,29.2,22.8,20.7,16.9,16.2,16.5,22.4,26.3,28.4,31.2
1921,32.3,33,30.4,26.6,20.4,18.2,18.5,18.3,21.8,24.6,28.5,30.3
1922,32.9,32.5,30.3,25,20,17.2,15,18.4,21.5,26.6,30.3,29
1923,32,33.4,30.3,25.4,21.6,16.3,16,17.9,20.5,25.2,29.9,30.6
1924,30.7,29.4,26.5,26.1,20.6,17.5,17.6,19.1,21.4,23.1,28.2,31
1925,28.8,28.8,28,25.3,20,17.3,15.2,16.7,20.2,23.8,31.2,33
1926,34.1,32,27.1,24.1,18.9,17.1,15.6,18.3,24,26.9,30.2,30.3
1927,32.3,30.4,25.8,25.9,19.7,15.7,15.2,18.7,21.6,25.5,30.8,31.2
1928,31.4,30.3,28.6,26.5,20.2,17.2,16.3,20.2,22.8,24.4,30.4,31.9
1929,30.6,31.4,26.1,25.3,19.9,16.2,16,17.8,22.1,25,27.7,31.3
1930,32.9,33,29.9,24,22.1,18.6,17.1,18.4,22.8,24.8,29,31.3
1931,31.8,29.4,28,24.2,17.8,15,16.1,18.2,22,23.8,25.5,32.7
1932,34.5,31.7,29,25.1,22.3,17.9,18,16.5,21.3,22.3,29.2,30.4
1933,31.3,33.9,28.7,25.3,20,18.4,16,17.5,21.9,25.2,27.1,31.2
1934,34.4,33.7,28.9,22.1,23.7,16.7,16.1,18.7,22.5,24.1,26.4,31.1
1935,31.5,30.1,27.1,24,22,17.3,17.3,18.3,21.7,22.8,29.1,30.8
1936,32.2,30.6,30.2,24.9,20.8,16.5,16.4,19.7,23.2,25,29.8,31.6
1937,31.2,31.2,28.9,26.1,21.5,17.1,16.8,17.7,22.3,26.6,28,30.6
1938,30.6,30.8,29.7,26.9,21.2,16.3,15.8,18.5,23.6,25.9,30.7,32.7
1939,32.2,31.6,28.6,25.1,21.3,17.4,14.8,17.4,21.4,23.5,25.9,31.4
1940,31.4,32.5,32.1,24.4,20.4,18.5,17.2,20.1,22.8,26.3,27.8,31.1
1941,31.5,31,27.9,24.9,20.7,17.6,17.2,20.1,21,21.9,30.6,32.9
1942,31.6,28.6,27.5,24,19.7,15.4,15,17.9,21.8,23.8,28.7,31
1943,32.3,29.4,29.1,21.9,19.1,16.8,14.7,17.1,21.4,24.9,27.9,30.9
1944,34.5,32.4,30.2,23.9,18.4,17.9,16.1,17.5,22.7,28,30.8,30.4
1945,32.1,30.5,29.7,28.5,21.1,18,15.8,17.8,21.3,25.1,28.5,32.2
1946,33.5,28.8,28.1,26.3,20.9,16.2,16.9,18.6,22.7,26.9,26.6,32.2
1947,33.7,32.1,28.3,23.9,20.7,19,15.8,17.7,21.3,23.1,27.1,32
1948,34,30.7,29.1,22.3,20.6,17.1,16.2,20.2,23.2,26.1,27.6,31.2
1949,31.8,29.4,28.4,25.9,19.4,17.3,18.2,19.8,21,23.4,26.6,31.8
1950,32.9,31.4,30.4,27.2,21,16.4,16,18.5,22.7,24.7,28.3,32.1
1951,32.5,31.8,30.5,23.3,17.9,15.7,14.4,16.1,22.1,25.6,30.3,30.5
1952,32,28.7,28.6,23,19.4,18.1,15.6,18.5,20.1,22.8,27.5,28.5
1953,32.4,32.7,30.9,25.2,19.9,16.1,15.6,15.6,21.2,24.3,27.1,30.6
1954,32.8,30.9,32.3,23.4,19.1,15.1,15.9,17.8,21.1,24.7,28.3,32.1
1955,31.6,31.9,28.6,22.3,17.1,13.4,14.8,17.6,19.9,22.4,27.5,29.4
1956,34.2,34.6,30,23.3,18.5,13.9,15.1,16.7,21.3,23.1,27.8,30.6
1957,33.6,30.9,29.3,25.1,22.1,18,14.8,18.4,22.2,27.4,31.5,32.5
1958,33.7,32.6,28.2,27.4,20.9,16,14.6,16.5,19.3,23.4,27.5,30.5
1959,34.6,30.3,30.1,26.2,22.7,17.6,17.7,19.3,20.5,25.8,28.7,27.9
1960,31.8,27.7,27.2,21.6,17.9,16.3,14.6,17.7,19.2,26.2,27.8,31.2
1961,34.6,32.1,31.1,23.1,22,17.4,15.6,18.6,24,27.3,29.6,32
1962,33.1,31.4,28.6,26.5,21.1,19.1,16.5,19.8,21.9,24.1,30.6,31.2
1963,30.7,30,27.6,23.6,18.9,16.4,14.4,17.3,22,27.5,28.2,31
1964,32.5,30.1,30,22.7,20.8,18.2,16.6,18.1,20.8,23.1,28.9,30
1965,34,34.7,30.1,26.5,20.1,17,15.8,16.8,22.4,26.6,27.5,32.1
1966,32.4,30.5,31.2,23.7,20.4,16.1,16.1,17.7,20.1,23.5,30.1,29.8
1967,30.7,29.2,26.6,26.1,20.3,18.1,15.9,17,23.1,27.1,28.7,31
1968,33.9,32.2,26.6,23.7,17.7,16.2,15.3,16.1,19.8,26.1,28.7,30
1969,34.6,32.3,28.7,26.5,19.3,17.6,17.6,19.5,20.2,26.6,30.2,30.6
1970,33.5,33.9,30.9,23.7,19.2,17.4,17.4,17.9,20.4,25.6,28.7,32.4
1971,34.2,32.3,29.2,25.7,20.4,17.7,17.3,17.4,21,25.5,25.9,30.8
1972,32.6,32.2,29.6,27,23.7,18.7,16.1,18.7,23.5,26.4,28.9,36.3
1973,32.4,33.4,29.4,25.1,21.3,15.5,16.7,17.3,20.7,25.3,27.1,31.7
1974,33.4,29.9,28.1,21.1,19.4,17,16.8,18.8,20.7,25.9,28.8,32.2
1975,32.5,31.6,26.6,24.3,20.7,17.3,17.8,18.1,21.3,21.9,29.3,32
1976,31.6,31.6,30.7,25.6,22.4,17.9,18.9,19.9,23.1,24.3,26.9,34.5
1977,35.5,33.7,29.3,25.4,19.1,18.2,19.4,20.8,22,27.4,29.5,34.6
1978,33.3,32.2,30.7,28.2,21.7,17.6,16,18.5,20.8,26.2,29.2,31.7
1979,35,31.7,31.3,25.4,18.6,18.4,18.3,17.2,20.5,27.6,30.9,33.2
1980,34.9,31,32.6,26.3,21,16.2,16.4,19.8,24.6,24.6,32.2,33.7
1981,31.9,29,29.5,29.6,20.2,15.7,17,18.3,25.5,28.9,26.3,29.9
1982,33.3,32.9,26.9,25.9,20.8,16.9,17.1,22.2,22.5,25.3,31.6,33.5
1983,34.4,33.9,28,25,23.3,19.4,17.3,21,24.4,26.6,27.6,30.8
1984,33.1,32.4,26.5,24.8,20.3,18.5,15.4,18.1,19.8,26.6,29.2,32
1985,35,33.8,30.6,26.1,20.1,20,17.8,17.7,22.8,25.4,29.2,30.7
1986,34.7,32.5,32,25.2,20.4,16.6,15.2,17.4,22.3,24,29.5,30.9
1987,33.1,31,29.6,27.3,20,18.6,18.1,19.1,23.9,26.8,27.8,32.9
1988,33.8,31.5,30.3,26.6,21,19.7,18.3,20,24.5,29.7,27.8,28.1
1989,31.9,33.6,29,25.2,20.8,16.3,16.4,19.4,24.4,26,29.8,33.3
1990,31.9,30.2,30.8,25.8,22.5,17.1,16.1,17.5,24,25.3,30.9,32.6
1991,34.9,35.4,30.5,27.9,22.5,18.5,18.1,19.6,24.1,28.7,29,31.8
1992,32.8,31,29.4,23.6,20.3,17.4,19.1,17.1,18.3,24.8,27,30.3
1993,36.5,30.8,28.6,27.9,20.2,16.5,17.5,19.8,22.3,25,29.7,30.7
1994,34.4,30.1,32.6,28.6,24.3,19.2,20.4,21,23.6,27.6,30.7,33.5
1995,33.5,30.6,28.2,24,19.9,17.8,17.9,21.7,23.8,27.1,28.6,29.3
1996,33.7,35.3,30.3,26.5,23.4,18.8,18.3,19.4,23.1,27.7,30.3,31.3
1997,34.3,34.7,29.5,27.8,19.5,18.8,17.5,19,22.6,26.5,29.1,33.3
1998,35.8,35.3,32.4,25,23.2,18.1,15,21.2,21.8,25.1,30.2,31.9
1999,34.1,32.7,28.3,26.5,22,19.3,18.7,20.8,23.8,26,27.4,30
2000,30.6,30.5,25.9,24.6,20.6,19.2,18.1,19,25.3,25.9,30.3,33.7
2001,35.2,27.6,28.1,28,22.8,20.1,19.3,20.7,24,23.3,27.8,28.9
2002,33,30.2,31.2,26.6,25,20.2,20.1,20.5,24.3,28.5,31.2,32.4
2003,33.7,33.1,30.7,27.2,23.1,19,18.8,19.1,22.7,25.4,28.8,33.7
2004,33.7,33.9,27.9,26,20.9,20.3,17.3,19,23.8,29.2,29.1,33.2
2005,34.4,34.6,32,27.9,23.7,18.4,19.3,19.3,22,25.8,29.7,32.7
2006,31.8,30.3,29.1,23.3,21.5,17.9,18,21.9,23.8,27.7,32.7,31.9
2007,33,35.6,29,27.2,21.1,16.8,19.6,21.3,24,26.3,32.3,30.1
2008,34.4,29.6,31.3,25.4,24.3,19.2,17.8,18,23,26.6,25.4,31.1
2009,34.8,32.3,29.3,25.6,21.1,17.7,16.4,20.9,21.2,27.9,31,33.1
