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