1901,33.6,33,30.6,26,24.7,23.4,21.7,23.7,29.5,31,31.9,34.5
1902,34.8,33.8,31,29.1,25.3,22.6,20.9,21.3,27.8,30,31.6,34.7
1903,34.4,34.1,30,26.4,23.4,21,20.9,23.8,29.1,29.5,32,33.3
1904,33.4,31.8,28.6,28.7,24.2,21.1,21.8,23.8,29.4,29.3,29.5,32
1905,33.7,32.7,30.3,26,21.9,21,19.5,24.1,27.5,29.2,30.3,32.1
1906,33.3,35.1,32.8,28.8,25.3,17.8,20.2,23.8,27.7,30.7,32.9,34
1907,35.4,32.7,29.5,25.9,21.4,18.7,20.3,21.9,25.3,28.7,32.5,34.7
1908,35.8,32.7,31.2,25.6,22.8,21.4,21.3,22.8,25.5,28.8,31.5,32.6
1909,36,31.3,31.2,28.1,21.5,19.2,20.4,26,26.8,28.8,30.9,33.1
1910,34.3,31.7,28.2,26,22.4,21.7,20.8,24.5,26.4,29.4,32.3,32.9
1911,34.9,33.5,30.3,26.4,24.3,19.5,21.3,21.8,24,28.2,31.3,33
1912,34.3,34.1,32.2,27.6,22,21,19.4,22.4,28.1,30.8,31.4,35.2
1913,34.5,35,30.3,29.3,25,22.6,25,24.3,27.1,30.6,32.7,34
1914,35.9,34.1,29.3,25.9,25.1,23.6,24,24.8,27.1,27.9,31.4,33.6
1915,33.5,33.9,29.2,28.2,24.8,17.9,22.2,25.2,26.1,30,33.1,35.1
1916,35.4,32.8,30.9,28.9,24.7,16.3,18.9,24.1,28.5,31.3,34.1,32.8
1917,35.2,31.7,29.6,27.6,21.4,20.2,19.5,22.7,27.3,28.6,31.5,34.9
1918,32.8,30.3,29.2,27.4,22,19.4,21.2,24,25,29.1,31.7,33.4
1919,35,32.8,29.1,27.1,26.3,19.6,20.6,23.4,25.7,28.9,31.8,34.7
1920,36.1,32.3,31.5,28.3,25.1,19,18,23.4,27.2,28.2,31.7,33.2
1921,32.8,32,27.7,26.2,25.1,16.5,18.5,22.2,25.1,28.1,30,34.3
1922,32,32.6,28.8,25.1,22.5,17.4,21.7,21.7,26,27.2,31,31.6
1923,31.9,33.3,31.5,27.5,21.1,21.4,18.2,22.7,26.8,27,31.7,31.8
1924,32.8,34,30.7,26.4,22.1,19.6,19.7,21.5,24.6,28.2,30.4,33.9
1925,33.8,33.5,32.4,26.4,21.8,18.7,19.5,25.1,27.1,27.5,31.3,33.2
1926,34.4,33.9,32.6,26.4,21.9,20.5,19.4,24,26.1,30,32.1,33.3
1927,34.1,33.8,29.9,26.7,23,18.8,20.1,23.7,25.1,28.9,32.3,32.2
1928,34,30.6,29.1,27.6,21.8,18.1,19.9,21.8,24.4,27.5,31.5,32.1
1929,34.2,34.1,30.4,28.2,21.5,18.3,21.3,23.6,27.9,28.9,32.7,35.6
1930,35.8,33.8,31,27.6,22.6,24.7,18.9,21.2,27,26.8,30.2,34.1
1931,32.7,33.4,30.1,25.8,19.2,17.5,19.3,22,23.3,30.2,29.4,33.7
1932,34.4,32.3,31.5,27.1,20.9,20.7,22.5,22.2,26.5,29.1,32.3,32.3
1933,33.9,32.2,29.7,27,23.3,19.5,17.4,24.3,25.7,30.5,32.4,33.5
1934,34.5,31.3,30.1,24,22.4,21.1,20.8,23.3,24.7,27.5,29.8,31.9
1935,33.4,33,31.1,25.9,26,21.4,19.9,24.2,25.1,26.5,32.1,34.1
1936,35.3,32.4,31.3,27.1,23.2,20.2,21.9,22.8,26.2,30.4,28.8,34.1
1937,35.1,35.4,31,27.1,22.5,21.9,20,24.1,25.2,27.5,32.9,34.1
1938,34.6,32.4,29.3,24.1,22.7,19.7,20.2,20.9,27.5,30,32.7,35.5
1939,35.3,33.3,28.9,24.8,24,22.2,22.4,26.4,25,27.8,29.7,31.5
1940,33.7,32.2,30.7,26.9,22.6,20.9,21.3,21,24.7,25.5,30.2,33.7
1941,34.3,30.9,27.4,25.5,21.5,20.1,21.2,23.2,24.6,30.4,30.7,34.5
1942,34.6,32.9,29.4,25.9,20.6,17.1,18.2,22.4,25.7,29,31.6,33.3
1943,35.4,35.1,28.6,25.4,23.1,19.8,20.1,20.9,26.2,29.2,30.8,34.4
1944,31.9,33,29.4,26.7,22.3,22.1,21.8,25.1,30.5,29.1,30.2,36.2
1945,36.2,31.6,30,28.8,25.9,21.1,20.9,25.9,26.3,30.5,30.3,32.4
1946,32.1,34.6,29.2,27.3,22.4,17.9,19.4,23.3,27,27.7,31.9,33.4
1947,34.7,32.9,29.9,25.7,23.8,22.2,18.7,21.2,25.5,27.4,31,32.6
1948,34.5,31.8,28.4,25.9,23.1,21.5,19.8,21.9,27.6,28.4,30.9,35.4
1949,33.1,32.7,29.5,26.9,23.4,20.3,18.9,23.1,24.8,26.9,32.2,34.3
1950,34.1,32.1,30.2,27.6,23.7,20.9,21.1,24.3,24.2,27.7,30.5,33.6
1951,34.5,30.9,30.2,23.8,24.7,21.4,21.7,22.8,26.6,30.7,33.3,33.1
1952,35.2,32.6,33.2,26.9,24.4,16.2,21.1,22.4,25.6,28.1,29.7,33.1
1953,34.5,34.2,30.4,26.2,23.3,19.3,17.2,23.8,29,28,32.6,33.6
1954,35.4,33,31.2,25.7,20.7,19,17.9,22.3,24.8,28.7,33,35.2
1955,36.6,32.3,28.2,26.1,21.3,19.6,16.5,21.9,25.9,27,32,33.9
1956,33.4,31.5,30.4,24.8,19.7,18.3,21.1,22.8,26.5,27.4,28.7,31.9
1957,35,32.2,31.3,25.2,25.1,18,17.4,23.1,24.8,31,31.9,34.1
1958,33.7,34,29.7,27.1,22,21.4,24.2,21.4,26.9,29.8,32,31.4
1959,34.2,33.1,28.9,24.2,21.3,20.7,20.8,21.3,26.7,29.8,32,34.2
1960,35.5,34.3,30.1,26.6,22.9,21,19.4,23.8,26.2,31.4,32.6,35.3
1961,35.3,32.1,29.6,25.6,23.7,18.6,20.2,26.2,25.8,29.9,32.5,34.7
1962,33.4,33.7,33.3,25.6,22.7,19.8,16.4,24,28.5,30.1,34.5,34.3
1963,33.3,31.8,28.6,28.7,23.1,19.7,20.2,23.8,22.5,27,28.7,32.2
1964,34.4,34,26.2,25.3,24.1,18.3,19.9,24.2,26.9,27.1,31.9,33.6
1965,35.1,34.8,31.3,27.7,23.3,24.4,19.7,24,26,32,32.3,31.5
1966,33.5,31.1,31.8,26.1,24.1,21.7,21.4,23.2,25.8,30.2,31.9,32
1967,35.8,33.6,30.6,30.2,25.2,16.8,19.4,22.7,26,28.9,31.5,36.7
1968,35.2,34.8,31.1,26.7,24.2,19.1,22.8,24,27.1,27.8,34.8,34.4
1969,36.9,33.3,31.7,30.6,24.7,20.4,21.7,22.4,29.1,30.6,32.8,35
1970,34.1,36.1,30.7,31.2,23,19.8,21.2,23.9,29.4,29.1,33.2,35.9
1971,32.5,32.2,30.4,24.9,23.5,18.6,23.4,24.5,28.8,30.6,34.4,38.8
1972,37.1,36.1,29.8,26.7,24.1,19.9,20,21.8,27.2,28.7,30.6,33.7
1973,35.2,33.7,29.8,25,22.5,20.6,16.5,23.5,25.6,31.1,32.1,32.6
1974,34.6,29.3,29.7,27.6,23.3,20.4,21,24,23.9,30.5,34,31.9
1975,34.5,32.9,29.5,27.4,23.1,22.2,19.4,21.8,26.3,30.3,31.9,38.1
1976,34,33.7,27.9,27.3,22.8,20.2,20.6,22.6,26.2,30.1,33.8,34.7
1977,34.6,31,29.5,27.2,22.5,20.7,20.7,23.5,28.7,32,33.1,33.3
1978,31.8,32,28.6,28.5,25.4,20.2,22.2,21.8,28.9,29.8,32.8,34
1979,33.9,32.2,28.9,25.4,24.8,20.5,22.3,25.4,24.3,30.3,30,31.4
1980,35.5,34,32.5,25.9,23.4,18.8,21.4,24.8,28.2,28.8,31,34.2
1981,32.1,31.7,31.3,25.6,25,20.4,20.7,25.3,25.9,30.5,31.2,35.1
1982,34.3,31.8,29.6,26.9,25.7,18.2,20.2,24.7,26,31.3,32.2,33.6
1983,33.2,31,30.2,26.6,21.8,18.4,18.4,21.6,26.3,32.2,33.2,36.2
1984,34.7,32.9,27.7,24.9,22.6,16.3,19,21.7,26,30.3,30.3,30.5
1985,33.9,30.4,30.4,26.7,25.4,20.9,19.5,22.7,25.7,28.5,30.8,33.4
1986,36.8,32.9,29.9,26.9,23.9,20.9,20.9,21.5,25.5,29.6,31.8,35.7
1987,33.9,35.3,31.7,27.5,20.2,21.8,21.9,20.7,25.7,31.3,31.5,31.6
1988,32.8,32.2,30.8,26.3,20.5,19.6,18,24.3,25.1,31.4,36.3,37.2
1989,37.1,36.2,30,28,23,20.4,20.2,25.1,25.2,29.9,32.6,35.8
1990,35.8,31.6,27.7,25.7,22.7,20.3,18.6,26.3,25.7,29.5,32.7,33.7
1991,33,33.5,31.3,27.6,24.5,20,19.5,22.6,26.5,27.8,31.2,32.3
1992,32.8,31.8,31.7,25.2,21.9,21,16.8,23.4,24.8,30.4,30,32.4
1993,33.7,31.5,31.7,27,23,20.5,17.9,22.9,25.3,28.8,32.2,34.3
1994,34.9,32,31.2,26.7,25.8,23.2,20.4,24.3,28.6,29,32.5,37.3
1995,33.6,32.3,31.2,29.8,24.8,21.4,20.9,24.1,28.1,30.8,33.9,38.5
1996,33.7,32.4,32.5,24.6,23.8,18.1,20.5,26.6,25.2,30.9,33,34.2
1997,34.5,31.4,30.5,31.1,25.4,21.5,22.2,24.2,28.1,29.1,31.6,34.1
1998,33,28.6,28.1,24.8,23.7,20.4,21.5,23,25.3,31.4,32.2,35.5
1999,31.9,34.4,28.6,24.7,21.6,19,18.9,24.1,28.2,28.3,30.5,32.6
2000,33.2,30.7,28.3,25.3,21.3,19.1,18.4,24.1,26.9,29.7,29.7,33.6
2001,34.4,34.9,30.1,25.1,20.9,19.9,20.4,24.5,23.8,29,32.8,34.1
2002,33.6,32.2,30.3,25,23.1,18.7,19.3,24.9,28.2,31.5,33,31.6
2003,35.4,34.7,30,25.5,22.7,21.1,20.2,22.3,28.6,31.9,35.1,32.9
2004,36.3,32.3,32.1,26.6,19.8,21.1,20.9,23.8,28.4,31.8,32,34
2005,36.2,33.5,29.8,25.2,22.7,18.9,21.9,23.6,25.4,29.2,33.5,33.6
2006,35,34.1,30.2,27.3,23,20.7,22.6,24.6,28.6,32.2,32.1,34.6
2007,32.9,33.2,28.1,27.4,20,19.2,19.2,19.4,27.7,30.5,33.3,34.7
2008,33.5,31.5,29.6,27.2,23.7,19.3,22.6,24.6,25.5,29.4,33.5,33.2
2009,34.2,33.8,32.6,30.7,24.2,21.3,19.8,25.7,24.7,32.4,33.8,32.3
