1901,32,30.6,29.5,27,24.3,20.8,20.8,23.1,26.3,28.7,30.6,32.3
1902,32.1,31.9,30.3,28.2,26.2,24.3,23.7,23.9,27.7,29.8,31,32.4
1903,32.8,31.6,30.4,28.5,23.5,22.2,22,22.7,26.3,27.6,28.5,31.3
1904,30.9,31.9,29.8,26.3,23.8,21.5,21.7,23.8,26.2,28.2,31.7,31.6
1905,31.6,31,31,26.8,24.6,21.9,22,23.7,26.5,27.9,31.2,32.5
1906,31.6,30.4,28.5,29.5,25.7,24,23,24,25.7,28.1,29.8,31.4
1907,31.6,30.9,29.4,27.8,24.9,22.5,22.5,23.6,26.3,29.2,28.9,30.9
1908,29.1,31,28.7,27.6,25.4,20.7,21.8,22.9,25,26.6,28.5,30.5
1909,29.6,29.7,28.7,26.8,24.2,23,21.4,23.3,25.7,29.2,30.6,30.6
1910,31,29.9,29.2,27.4,26.5,22.6,22.2,23.8,26.4,27.9,28.5,32.1
1911,29.4,29.3,28.6,27.6,24.6,22.3,23,23.4,26.8,28.6,30.3,33.5
1912,32.2,31.7,29.7,28.8,24.9,22.3,21.7,23.5,27.6,29,30.3,31.6
1913,28.9,29.2,29,27.8,23,20.8,22.5,23.1,26.2,28.5,32.4,32
1914,31.7,31.7,30.1,29.5,25.9,22.8,21.2,23.9,27,27,30.8,32.4
1915,31.6,31.6,29.8,29.8,25.1,23.7,24.2,25.4,28.4,30,31.9,31.3
1916,32,32.6,30.9,28.2,24.9,22.6,21.5,22.8,24.9,28.5,29,30.3
1917,31.1,28.7,28.1,26.9,23.5,21.6,23.4,22.4,25.8,27.8,29.5,30.3
1918,28.8,29.5,28,26.5,24.2,23.4,22.2,23.5,25.8,29.4,30.9,32.2
1919,32.7,32,31.2,28.1,24.6,23.4,22.8,23.9,27,28.8,30.1,32.5
1920,30.8,30.5,30.1,27.3,24.9,22.8,22.3,23.1,25.6,27.9,30.2,32.1
1921,29.6,29.2,27.9,27.7,26.2,22.8,23,21.8,25.1,27.7,30.4,31.3
1922,31.4,29.3,29.9,28.9,25.7,23.1,21.1,23.4,26.3,29.5,31.7,32.3
1923,31.7,31.8,31.1,26.9,25.8,22.7,21.4,22.7,26.1,28.8,30.8,31.8
1924,33.5,30.6,29.5,27.2,25.3,22.4,23,23.9,26.7,29,30.3,30.4
1925,30.1,30.6,28.2,27.4,25,23,21.5,23.3,25,28.2,30.3,32
1926,32.2,32.7,30.8,30,25.6,23.3,23.6,25.8,25.8,29.6,31.5,30.9
1927,30.6,30.5,29.1,27.6,25.9,23.2,22.5,22.4,25.8,27.4,29.9,29.7
1928,30.5,29.5,29.1,28.2,24,20.3,20.9,23.1,27.3,29.8,30,31
1929,31.6,29.9,28.4,25.4,25.3,20.3,21.2,23.4,25.9,29,30.4,32
1930,29,28.6,28.4,26.3,24,20.6,21.1,23,25.7,27.8,31,29.8
1931,33.2,29.5,29.4,27.3,25.2,23.2,22.4,23.6,26.6,27.5,29,30.4
1932,32.3,32.8,30.7,28.6,23.5,21.4,21.6,23.1,26.1,28.2,29.6,31.5
1933,31.9,29.7,30.7,26.6,23.4,21.4,20,20.7,24.5,27.3,27.4,29.7
1934,29.9,29.6,28.3,26.4,23.7,21.4,21.3,22.4,25.2,27.1,28.9,30.3
1935,32,32.3,29.3,27.2,24.5,22.2,21.5,22.5,25,28.7,30.5,31.5
1936,30.4,30.1,26.9,26.7,23.9,21,21.4,25.3,26.5,30.3,30.7,30.9
1937,32.8,29.2,28.6,27.8,25.6,20.8,21.5,22.8,26.5,29.6,30.2,32.2
1938,32.1,33.3,30.6,28.6,25.4,21.6,20.4,22.1,25.7,28.4,29.7,32.6
1939,32.5,30.3,29.4,26.9,25.4,22.1,20.9,22.5,25.2,26.9,30.1,30.7
1940,33,30.1,27.8,25.8,24.2,23.2,22.1,23.6,26.3,29.9,31.1,31
1941,29.5,29.5,29.1,26.2,24.3,20.7,21.6,22.3,27,28.2,29.9,31.7
1942,32.8,28,29.7,26.7,24.5,22.7,21.6,25,26.6,28,30.7,29
1943,31.1,29,29.6,27.6,23.6,20.3,22.1,22.9,25.9,28,29.7,31.4
1944,32,29.9,28.4,27.4,23.7,20.9,21.4,22.9,25.9,27.9,31.2,31.5
1945,31,31.3,30.1,27.2,23.9,22.7,20.6,24.5,25.4,26.8,30.1,30.8
1946,30.8,31.4,29.4,26.9,25.8,21.1,22.3,24.5,26,27.9,30.5,31.6
1947,32.4,27.7,28,26,24,22.3,22.1,22.7,24.7,26.5,28.2,30
1948,30.5,30.6,28.3,26.1,22.9,21.8,21.1,23,25.3,29.2,30.9,30.5
1949,31.2,30.1,27.7,25.1,23.5,20.1,21.5,22.7,25.1,27.4,28.6,31.2
1950,31.3,28.6,27.6,25.3,23.8,20.3,22.1,21.3,25.1,26.5,27.8,29.2
1951,28.3,29.4,29.4,28,24.5,22.5,21.7,22.5,26.1,27.9,31.4,31.9
1952,31.5,30.9,28.3,26.7,22.5,21,21.5,22.5,24.8,26.9,30.4,31.1
1953,28.6,28.7,27.9,28.1,24,22.5,22.5,22,25.1,28.5,30.3,31.8
1954,29.2,29.4,30.1,27.1,24.9,21.4,21.6,21.5,24.4,26.5,29.7,30.3
1955,30.7,28.7,28,26.9,23.5,21.1,20.6,22.9,25.4,28.8,29.2,31.1
1956,30.5,29,28,26.6,23.7,20.4,20.2,20.9,23.6,28.2,28.5,30.3
1957,30.7,31,30,29.2,25.2,23.5,20.7,23.4,26.8,30.3,31.6,33.1
1958,31.7,30,30.1,26.7,26.7,21.7,22.8,23.8,25.8,30,30.1,31.4
1959,29.3,29.8,29.5,27.9,24,22.5,21.8,23.7,26.2,27.3,29,32
1960,30.3,31.9,29.8,28.6,23.4,21.8,21.3,22.6,26.8,29.5,30.5,30.4
1961,29.6,29.7,29.4,28.6,24.8,22.7,22.1,22.6,26.2,28.1,29.2,31
1962,30.4,31.3,28.1,25.7,24.6,22.9,21.7,22.9,26,29.8,31.3,29.1
1963,28.7,31.1,29.5,26.7,25.2,22.1,21.6,22.5,26.5,27,29.1,30.1
1964,32.2,31.8,29.6,28.1,24.9,21.9,22.3,23.4,25.6,27.6,29.6,31.6
1965,32.2,31.1,30,27.9,24.8,22.1,20.6,23.5,26.3,28.1,30.8,29.8
1966,29.6,31.3,30.1,28.3,24.4,21.7,20.9,21.6,26.3,26.9,29.8,30.5
1967,31.6,30,29.2,27.8,24,21.3,21.2,21.9,26.5,29.4,30.4,30.5
1968,30.3,29.2,29.2,28.8,22.9,22.3,20.7,23.3,25.6,29.7,32.6,32.1
1969,33.7,33.1,29.7,27.9,24.3,21.8,22.4,24.7,25.6,27.3,31.1,31.7
1970,32.1,30,30.4,28.6,25,23.6,22.8,24.7,26.4,29.2,29.6,30.3
1971,31.4,28.5,27.7,26.2,25.3,21.8,21.7,23.8,25.4,29.8,30.7,30.5
1972,30.2,28.7,29.2,27,23.5,22.2,22.3,24.4,26.1,29.3,29.9,31.8
1973,31.1,30.7,30.8,28.8,27.2,23.2,21.6,23.9,25.7,28.2,30.1,29.7
1974,28.4,30.2,29,28.5,24.5,22.5,22.1,23,24.3,26.6,28.4,31.2
1975,30.4,30.2,30.5,27.6,25.8,21.9,23,23.3,25.2,27.2,29.5,29.8
1976,30,29.4,29.1,26.5,24.5,22.7,21.7,22.6,24.9,27.6,31.2,32.6
1977,31.7,29.9,29.2,27.5,24.9,21.3,21.7,23.9,26,28.7,30.3,31.1
1978,32.2,30.9,30.7,28.7,23.9,20.8,21.2,21.9,24.5,26.6,28.2,30.9
1979,31.3,29.8,29.2,28.6,24.5,23.5,22.4,24.2,26.8,28.9,31,33.6
1980,32.6,30.1,30.3,28.5,25.7,23.2,22.2,23.5,28.4,30,31.4,30.9
1981,29.4,31,30.4,28.2,24.6,21.8,21.8,23.4,26.9,27.4,28.9,33.1
1982,32.5,31.4,30.2,27.6,25.3,21.7,22,23.3,25.4,27.5,29.3,31
1983,30.4,31.3,29.2,26.8,23.5,21.1,20.9,22.1,27.3,28.3,29,29.6
1984,30.3,29.8,29.5,26.3,24.8,22.7,21,23.3,25.2,26,29.4,31.9
1985,32.5,30.9,28.8,27.5,24.9,21.4,21.5,23.3,25.8,26.9,29.4,32.5
1986,31.6,30.7,30.2,28.5,25.4,22.1,21.8,22.2,26.3,28,29.3,31.3
1987,32.9,31.4,30.6,27.7,25.2,22.6,22.1,23.7,25.9,28.8,28.6,31.5
1988,32.6,31.4,29.2,28.2,25.1,22.5,22.2,22.9,26.5,31.7,31.4,30.1
1989,31.1,28.8,28.6,26.8,24.6,20.8,20.2,22.2,26.4,29.8,28.6,30.5
1990,32.7,33.4,29.3,26.2,24.4,20.9,22.3,23.1,25.3,28.8,31.1,31.7
1991,30.3,30.8,30.3,28.3,25.5,24.5,22.4,25,27.8,28.6,30.2,31.3
1992,33.5,31,28.9,26.7,24,21.7,22,23.7,25.8,27.5,30.9,31
1993,30.8,31.3,31,28.3,25.5,23.4,23,23.9,25.7,28.5,29.8,30.5
1994,33.3,29.8,28.7,27,25.3,23.1,22.5,23.6,27.6,29.1,31.6,31
1995,31.5,29.9,31.5,27.9,24.7,22.2,22.6,22.9,26.7,27.8,31.9,31.2
1996,30.6,32,30.3,28.6,24.4,23.1,21.7,23.3,27.5,27.1,31.3,31
1997,30.2,31.7,29.7,28.5,24.9,22.8,22,23.7,27.5,28.5,31.2,32.4
1998,32.6,32.8,32.5,29.2,25.3,23.3,22.2,23.1,24.8,27.8,28.8,31.5
1999,31.5,30.9,30.1,27.5,26.4,22.7,22,23.3,26.2,28.8,28.1,29.8
2000,30.7,28.6,29.6,26.2,23.9,20.6,22.1,23.6,27.1,27.8,27.3,29.7
2001,30.6,30,31.3,27.8,25.5,23.3,22.2,23.8,25.5,28.6,29.1,31.9
2002,32.6,32.2,30.5,28.1,24.8,22.2,22.4,22.4,26.5,29.1,29.5,31.3
2003,32,30,29.5,28.1,25.6,23.9,22.5,23.8,28.1,28.4,29.9,30.7
2004,32.3,31.9,29.7,28.2,25.6,23.8,23.7,25.2,27.2,30.3,31.5,32.2
2005,32,33,31.5,29.6,26.5,23.1,23.7,23.7,27.4,30.4,31.9,33.6
2006,32.6,32.9,29.4,28.4,25.6,22,22.1,24.2,25.5,27.7,30,29.8
2007,31.5,29.6,31.3,28,26.4,19.3,21.5,23.2,25.3,28.6,28.1,29.3
2008,29.1,28.5,28,26.8,24.5,22.7,20.7,21.6,25.5,27.8,30.6,31.9
2009,30.7,29.6,29,27.6,24.2,23,22.8,25.5,27.4,29.2,31,32
