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