1901,32.7,34.4,34.9,33,31.3,29.7,28.2,27.8,29.3,30.1,31.4,32.7
1902,33.2,33.9,33.7,32.1,31.5,30.4,28.5,28,28.5,29.8,30.9,32
1903,32.9,33.9,34.5,33,31.9,29.7,28,27.3,29,30.1,31.2,32.1
1904,32.1,33.5,33.3,32.1,31.2,29.6,27.6,27.4,28.7,29.7,31,31.9
1905,33.1,33.8,34.3,33.2,31.8,29.4,27.9,27.7,28.6,30.1,31.3,32.7
1906,33.1,34.4,34.9,33.4,31.6,29.7,27.9,27.6,28.7,29.7,31.4,31.7
1907,32.8,33.8,34.4,32.7,31.3,29.8,28,27.8,28.8,29.8,31.1,32
1908,32.8,33.6,33.8,33,31.1,29.4,27.7,27.2,28.3,29.7,31.1,32.4
1909,32.7,33.9,34.2,32.5,31.1,29.5,27.8,27.7,29,30.1,31.1,32
1910,31.9,33.9,34.5,33.5,31.7,30.5,28,27.4,29,30,31.1,32.5
1911,33.4,34,34.2,33.2,31.1,29.3,27.8,27.1,28.6,29.7,31.1,32
1912,32.9,33.8,34.6,33.1,32.4,30,28.2,27.5,28.6,30.2,31.3,32.5
1913,33.2,33,33.3,32.9,31.4,30.8,28.4,27.5,28.7,29.7,30.9,31.2
1914,32.4,33.6,33.7,32.7,31.5,29.8,27.9,27,28.7,30.4,31.2,32.3
1915,32.6,34.1,34.6,33.7,31.4,30.3,28.1,27.9,29.1,30.4,31.4,32.2
1916,33.4,34.4,34.6,32.7,31.8,29.9,27.5,27.7,28.7,29.9,31.1,31.7
1917,32.9,32.7,33.9,33,31.4,29.8,28.5,27.5,28.5,30,30.6,31.8
1918,32.4,33.6,34,32.1,31.1,29,27.2,27,29.4,29.9,31.2,31.1
1919,32.6,33.8,33,31.4,30,29,27,27.1,28,29.6,31.2,32.2
1920,32.7,33.8,33.4,32,31,29.4,27.4,27.1,28.3,29.4,30.5,31.9
1921,32,33.5,33.6,31.8,29.8,28.2,27.9,27.6,28.8,30.3,30.7,31.8
1922,32.9,33.8,34.1,31.8,31.1,29.7,27.9,27.2,28.4,29.4,30.7,31.5
1923,33,33.5,33.9,32.3,31.2,29.8,27.7,27.5,28.6,29.7,31,32.7
1924,32.7,32.4,34,33,31.3,29.2,27.4,26.8,27.5,29,29.7,31
1925,31.4,33.1,33.4,32.5,31.2,29.4,27.4,27.4,28,29.2,30.4,31.8
1926,32,33.3,34.5,33.3,32.1,29.9,28,27.9,28.9,29.9,30.5,31.8
1927,32,33.4,33.6,32.2,31,29.4,27.8,27.4,28.5,29.6,30.5,32.3
1928,32,32.6,33.6,32.9,30.6,29.3,27.5,26.6,28.2,28.8,30.4,31.4
1929,31.7,33.9,33.2,32.4,30.6,28.2,27.4,26.9,28.2,29.1,30.3,31.1
1930,31.9,33.9,32,32,30,29,27,26.7,27.7,28.8,30.4,31.4
1931,31.8,33,33.2,32.2,30.3,28.5,26.7,26.5,27.3,28.9,29.7,31.3
1932,31.4,33.1,33.3,32.8,30.6,29.2,27.1,27.1,28.1,29.6,30.5,31.2
1933,32.5,33,34,33,32,29,26.9,28,29,28.1,30.9,29.4
1934,30.2,31,33,33.2,29.9,29.5,28,27.5,28.9,29.2,30.6,31.2
1935,31.7,33.2,32.2,33,30.8,29,27.2,27.1,28.1,29.2,30,31
1936,31.9,33.5,33.5,32.9,30.4,28.6,26.7,27.1,28.4,29.6,30.5,31.8
1937,32.6,34.1,33.6,33.3,30.9,29.7,27.4,27,28.1,29.2,30.4,31.7
1938,32.1,33.9,33.3,32.9,30.6,29.1,27.4,26.4,28,29.8,30.6,31.9
1939,32.4,32.9,33.3,32.5,30.8,29.8,28.6,28,28.4,28.9,30,31.1
1940,31.8,31.8,33.2,32.8,32.1,30.2,28.2,27.9,29.2,29.6,30.4,31.2
1941,31.7,31.9,33.2,32.1,31.6,29.9,28.6,28.2,29,30.6,31.1,31.8
1942,32.5,32.2,33.3,32.3,31.1,30.4,28.1,27.7,29.4,30.2,31.1,31.4
1943,32.4,33.5,33.5,32.1,31.3,29.9,28.1,27.7,28.5,29.7,31.1,31.3
1944,32.2,32.7,33.5,31.7,31.9,30.7,28.8,27.9,29.1,29.9,31,32
1945,33.2,33,34,32.5,32,30.3,28.1,27.6,28.9,29.7,31,31.7
1946,32.2,32.8,33.5,32.7,31.3,30.2,27.9,27.7,28.6,29.2,31,31.7
1947,31.8,32.8,32.7,31.3,30.9,29.6,28.1,27.4,28.9,29.6,30.7,30.8
1948,31.2,32.6,33.1,32,30.4,28.9,27.8,27,28.1,29.2,30.2,31.7
1949,31.7,33.1,33.2,32.2,30.9,29.6,27.9,27.7,28.2,28.5,29.9,30.3
1950,31.1,33.2,33.5,32.1,31.2,30.3,27.6,27.7,28.3,28.9,30,31.6
1951,32,32.4,32.9,32,30.7,29.5,27.8,27.5,28.5,29.1,30.4,31.4
1952,31.8,32.9,33.7,32.7,30.9,29.2,27.8,27.3,28.7,29.6,30,31.1
1953,32.5,32.5,33.5,32.7,31.3,28.8,27.6,27.6,28.9,29.5,30.9,31.8
1954,32.1,32.1,33,32.1,30.5,28.9,27.1,26.7,28.8,29,30,31.3
1955,32.7,33.4,32.9,31.3,30.9,29.3,27.5,27.7,28.7,29.4,30.6,30.3
1956,31.5,32.3,32.9,31.7,29.9,28.9,26.8,27,29.2,29.1,30.2,30.5
1957,30.7,31.9,33,31.4,30.9,29.2,27.3,27.6,28.4,28.9,30.5,31.6
1958,32.9,33.1,33.6,32.8,30.4,29.1,27.3,27,28.1,29.4,29,30.7
1959,31.3,32.2,33,31.7,30.4,29.2,27.5,27.3,28.4,29,30.1,30.8
1960,31.4,32.2,33.5,31.7,30.9,29.1,27.5,27.9,28.4,29,31.3,31.4
1961,31.2,32.8,33.4,31.7,31.4,28.9,26.7,27.2,28.4,29.4,30.5,30.9
1962,32,32.1,32.9,31.8,30.8,28.9,28,27.1,28,28.9,29.6,30.8
1963,31.7,32,33.2,32.2,31.1,29.3,27.8,27.6,28.7,29.4,30.4,31
1964,31.7,32.4,33.3,32,31,29.3,27.5,26.4,27.5,28.8,29.8,30.3
1965,30.4,30.9,32.9,31.9,30.4,28.9,27.5,27.5,27.9,29.5,30.4,30.7
1966,31.1,32.1,33.4,32.5,31.3,29.1,28.1,27.6,28.1,29.1,29.4,31.2
1967,31.8,32.4,32.5,32.5,30.6,29,27.1,27,28.1,29.4,30.1,31.2
1968,31.7,31.9,32.5,31.7,30.6,29.4,27.7,28,28.4,29.6,30,31.9
1969,32.3,32.7,33.9,33.3,31.7,29.5,27.6,27.4,28.2,28.9,30.8,32.3
1970,32.6,33.5,33.9,33.3,31.1,29.8,27.9,27.5,28.2,29.6,30.3,31.6
1971,32.1,32.7,32.3,32.5,31,29.2,27.4,27.2,27.7,29.4,30.1,30.9
1972,31.9,34.6,32.7,33.3,31.5,29,28.1,28.3,28.7,29.1,31,31
1973,31.8,34.1,34,33.8,31.2,29.6,28.3,28,28.8,29,30.8,31.2
1974,31.5,33.2,33.1,32.9,30.7,29.7,27.1,27.7,28.4,29.7,29.7,31.2
1975,31.8,33.2,33.1,32.9,30.7,29.3,27.4,27.2,27.9,28.2,30.7,31.6
1976,31.5,33,33.1,31.9,30.7,28.7,27.4,27.4,28.6,28.6,29.7,31.1
1977,32,33.2,33.5,33,31.3,29.4,28,27.5,28.6,29.4,31.6,31.5
1978,32.8,32.5,32.9,32.5,30.9,29,27.5,27.4,28.5,29.3,30.1,31.2
1979,32.4,33.1,33.4,32.5,31,29.4,27.7,27.8,28.7,29.6,30.6,30.7
1980,32.3,32.3,33.2,32.9,31.4,29.8,28.1,28,29.1,30.2,30.1,30.5
1981,30.3,33.4,33.8,33.4,30.7,29.8,27.8,28,28.9,29.7,31.3,31.5
1982,31.7,31.9,33.5,33.4,31.1,29.7,27.7,27.4,28.8,29.4,30.8,30.3
1983,31.3,33.5,34.4,33.1,31.9,29.3,28.4,27.7,28.8,30,31.3,31.6
1984,31.6,33.2,33.7,32.8,30.8,29.4,27.7,27.8,28.7,29.6,30.6,30.7
1985,31.3,32.3,33.1,31.5,30.9,28.7,27,27,28.4,29,30.4,29.9
1986,30.8,32.3,32.3,31.8,30.8,30.1,27,27.1,28.2,28.8,29.5,30.2
1987,31.3,31.9,32.8,32.7,31,30.4,28.9,28.2,28.9,29.7,31.2,30.9
1988,32.5,32.7,32.9,32.8,31.4,29.7,27.1,27.4,28.2,29.7,30.5,30.5
1989,31.5,33.1,32.8,32.1,31,29.5,28.2,27,28.8,29.4,30.9,30.8
1990,32.3,32.7,33.8,32.5,31.1,28.2,28,27.9,29.2,29.9,31,31.6
1991,30.3,33,33.6,32.5,30.6,30.2,27.8,27.2,28.5,29.8,30.7,31.9
1992,31.9,32.6,33.2,32.5,29.9,29.5,27.5,27.6,29.6,30.2,30.2,31.4
1993,31.9,32.9,33.4,31.6,31.1,29.5,27.9,28,28.9,30,30.4,31.8
1994,32.3,33,32.9,32.3,30.8,29.6,27.2,27.7,28,29.6,29.8,31
1995,31.2,31.5,33.7,32.9,31.5,30.2,28.2,28,29,30,31.5,31.1
1996,32.2,32.6,32.6,31.8,31.7,29.6,28,27.6,28.6,29.4,31.1,31.9
1997,32.2,32.9,33.7,31.7,31.4,29.4,27.8,27.9,29,30,31.4,31.7
1998,32.5,34.9,34.7,33.4,31.3,29.9,28.2,28,28.8,30.3,31.7,31.5
1999,32.9,33.7,33.4,31.8,31.4,29.6,28.3,28.3,28.8,29,31.1,32.3
2000,32.7,33,33.6,33.5,31.3,29.5,28,28.2,28.6,29.3,30.2,31.3
2001,32,33.7,33.9,32.9,30.5,29.7,27.8,28.1,28.6,30,30.6,31.7
2002,32.5,33.4,31.5,32.2,31.5,29.7,28.1,28.2,29,29.8,30.9,32
2003,32.1,33.4,34.3,32.8,32.1,29.6,27.8,27.7,28.7,30,30.6,31.6
2004,32.3,33,33.9,33.4,31.9,28.9,27.5,28.1,28.9,30.4,31.2,32.8
2005,33.5,33.6,34.2,32.4,31.7,30.7,28,28.3,29.4,30.2,31.6,33
2006,33.2,33.6,33.8,32.6,31.5,29.9,28.4,28.1,29.2,30.1,32,32.3
2007,32.7,33.5,34.2,32.9,31.9,29.8,27.9,27.7,28.4,30.1,31.6,31.8
2008,31.5,33.5,32.9,32.8,31.7,29.4,28.4,27.6,28.8,29.1,31.2,32.1
2009,31.4,33.3,34.1,32.6,31.3,29.9,28,27.8,28.9,30.1,30.2,31.9
