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