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