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