1901,31.3,31.2,31.4,31.6,31.2,30.7,30.2,30.5,31,31.8,32.2,31.7
1902,31.2,31.2,31.4,31.6,31.2,30.7,30.2,30.5,31,31.8,32.2,31.7
1903,31.7,31.4,31.8,31.8,31.2,30.8,30.4,30.4,30.9,31.4,32.1,31.7
1904,31.2,31.1,31.4,31.4,31.1,30.3,29.9,29.9,30.5,31.4,31.7,31.7
1905,31.4,30.8,31.6,31.8,31.3,31,30,29.9,30.8,31.7,31.9,32.1
1906,31.7,31.9,31.7,32.2,31.4,31,30.3,30.2,30.9,31.4,32,31.9
1907,31,31.1,31.2,31.6,31,30.8,30,30.1,30.5,31.6,31.9,31.5
1908,31,31.3,31.4,31.7,31.2,30.4,30,30.4,31,31.3,32,31.4
1909,31.3,31.5,31.4,31.8,31.4,30.9,30.8,30.9,31.1,31.9,32.1,31.4
1910,31.2,31.2,31.4,31.6,31.1,30.8,30.4,30.5,31.2,31.9,32.2,31.8
1911,31.3,31.1,31.4,31.5,30.9,30.4,29.8,30.4,30.5,31.7,32,32.1
1912,31.3,31.4,31.5,31.8,30.9,31.2,30.2,29.9,31.1,31.5,32.2,31.7
1913,31.3,31,31.3,31.5,30.8,30.4,29.9,29.7,30.5,31.2,32.3,31.9
1914,31.3,31.1,31.5,31.8,31.2,30.4,29.8,29.7,30.4,31.2,31.8,31.8
1915,31.5,31.5,31.4,31.6,31.3,30.7,30.6,30.6,31.7,31.9,32.5,31.8
1916,31.2,31.3,31.6,31.8,31,31,30.7,30.8,31.1,31.9,32.1,31.7
1917,31.3,31.3,31.4,31.6,31.1,30.6,30.4,30.7,31.2,31.8,32.4,31.3
1918,31.1,30.9,31.2,31.4,30.7,30.4,29.5,30.1,30.5,31.5,32.3,31.6
1919,31.2,31.3,31.4,31.6,31.2,30.4,29.6,29.9,30.5,31.4,32.1,31.7
1920,31.2,31,31.5,31.7,31.2,31,30.3,30.6,31.1,31.7,32,31.6
1921,31,31.3,31.6,31.3,31.1,31,30.1,29.9,30.9,31.7,31.9,31.7
1922,31.6,31.5,31.4,31.4,30.6,30.6,30.2,29.7,30.8,31.7,31.8,31.9
1923,31.5,31,31,31.4,30.9,30.2,29.2,30.2,30,31.4,32.1,32
1924,31.4,31.6,32.1,31.4,31.3,30.9,29.8,30.2,30.7,31.9,32.7,31.6
1925,31.6,31.4,31.4,30.9,30.4,30.2,29.5,29.7,30.2,30.7,31.8,32
1926,31.3,31.8,32.3,31.9,31.5,30.7,30.1,30.4,31,32,32.1,31.9
1927,31.2,32,32.4,31.8,31.3,31.3,30.1,29.6,30,31.1,31.7,31.9
1928,31.3,31.9,31.8,32.2,31,30,29.5,30,30.8,31.8,32.3,32.4
1929,31,30.6,31.5,31.7,30.3,30.3,29.8,29.6,29.9,31.3,32.2,31.1
1930,31.5,31,31.2,31.7,31.6,30.7,29.7,30,29.7,31.3,31.6,31.5
1931,31.7,31.2,31.2,30.7,30.9,30.1,29.3,30.6,29.8,31.7,31.4,31.9
1932,31.9,31.8,32,32.4,31.4,30.7,29.3,29.7,30.4,31.5,31.9,31.8
1933,32,31.6,31.9,31.9,31.1,30.7,30.1,30.5,30.7,31.6,32,31.5
1934,31.5,31.7,31.5,32,31.3,31.2,30.5,30.3,30,31.3,32.7,31.9
1935,31.8,31.9,31.5,31.6,30.8,30.6,30.3,29.9,30.6,31.5,31.8,31.9
1936,31.8,31.5,32,31.8,30.9,30.9,30.4,29.8,30.8,31.3,32.2,32.2
1937,31.5,31.8,31.9,31.9,31.5,31.1,30.3,30,30.7,31.6,32.4,32.1
1938,31.4,31.2,31.7,32,30.9,30.9,30.2,30.6,30.3,31.1,31.7,31.5
1939,31.3,31.1,31.2,31.5,30.6,30.5,30.4,30.2,30.4,31.2,32.1,32.2
1940,31.1,31,31.3,31.5,31.1,30.8,30.1,30,30.3,30.6,32.1,32.1
1941,31.1,30.9,31.3,31.2,30.9,30.1,28.9,29.1,29.6,31.6,31.1,31.1
1942,31.1,31.5,31.7,32.2,31.7,31.2,30.9,30.1,30.9,31.6,31.8,31.7
1943,31,31.1,31,31,30.3,30,30.1,30.1,30.5,31.3,31.5,31.4
1944,31.3,31,31,31.5,30.8,30.5,29.8,29.9,30.6,31.4,31.9,31.7
1945,31.3,31.2,31.2,31.4,30.7,30.8,30,30.6,31,31.5,31.8,31.4
1946,31.2,31.2,31.4,31.2,30.9,30,29.6,29.8,30.6,31.2,31.8,31.7
1947,31,31.1,31.5,31.6,31.1,31,30.2,30.5,31.2,31.6,32.3,31.6
1948,31.5,31.3,31.4,31.1,31.1,30.5,30.5,30.3,30.3,31.6,31.7,31.2
1949,31.7,31.3,31.4,31.4,30.6,29.8,30.1,30,30.7,31.7,31.9,31.3
1950,30.7,31,31.4,31.5,30.9,31,30.3,30.7,31.4,31.6,33.1,31.3
1951,30.8,32.4,31.6,31.8,31.1,30.5,30.7,31.2,31,32.1,32.3,32.6
1952,31.5,31.8,32.2,32.3,31.8,31.3,30.8,31.4,31.3,32.4,32.4,31.9
1953,31.2,31.2,32,31.7,31.3,30.8,30.2,30.4,30.9,32.1,32.6,31.9
1954,31.5,31.7,31.9,31.9,31.1,31,30.3,30.5,31,31.5,31.9,31.5
1955,31,31.3,31.3,31.7,32,31.2,30.7,30.8,31.2,32.2,31.9,32.3
1956,31.5,31.2,31.9,32.2,32.3,31.7,31.4,31.3,31.7,32.7,32.5,31.4
1957,31.5,30.8,32,32,31.3,31.2,30.8,30.8,30.8,31.8,32.5,32
1958,32,31.8,32.2,32.3,32.3,31.9,30.6,31,31.5,32,31.6,32.4
1959,30.8,31.7,31.4,31.5,31,30.3,29.9,29.9,30.6,31.5,32.3,32
1960,30.8,31.2,31,31.2,31,30.3,29.8,30.3,30.9,31.6,32.1,31.3
1961,30.7,31.8,32,31.5,30.8,30,30,30.3,30.5,31.1,32.1,31.9
1962,31.8,30.9,31.4,31.2,31,30.7,29.9,29.8,31.1,32.1,32.3,31.5
1963,31.2,31.1,31.4,31.4,31.2,30.7,29.8,30.3,30.8,30.9,31.6,31.9
1964,31,31.4,30.9,31.7,31,30.8,30.7,30.5,31.1,32.1,31.3,31.4
1965,30.3,31,30.8,31.4,30.7,29.9,28.4,29.5,30.3,30.9,31.4,31
1966,30.2,30.8,31.1,31.4,30.8,30.2,29.7,30.3,31.1,31.5,31.3,31
1967,30.4,30.5,30.6,30.8,30.5,29.7,29.5,30.4,30.7,31.3,31.8,31.7
1968,30.5,30,31.3,31.3,30.7,30.7,30.1,30.8,30.6,31.2,31.6,31.3
1969,30.4,30.7,31.4,31.6,31.2,30.4,30,30.2,30.8,31.3,32.1,31.8
1970,31.2,31.3,31.4,31.7,31.1,31.1,30,30.7,31.5,32.1,31.9,31.4
1971,31.3,31.1,31.2,31.4,31.2,30.8,30.1,30.9,31.3,32.7,32.4,31.8
1972,31.2,30.8,31.1,31.5,31.1,30.9,30.1,30,29.8,31.3,32.1,31.9
1973,31.4,31.7,31.3,31.7,31.5,31.4,30.5,31,31.4,31.9,31.6,31.6
1974,30.7,31.2,30.9,31.4,31.1,30.1,30,30.9,31.4,31.8,32,31.5
1975,31.2,30.9,31,31.6,31.6,30.8,30.6,30.8,31.2,32,32.5,30.1
1976,30.5,31.3,30.8,31.6,31.2,30.6,30.3,29.9,30.6,32,32.8,32
1977,31,31.4,31.3,31.2,30.8,30.3,29.9,30,30.8,31.1,32.1,31.9
1978,31.4,31.3,31.9,31.8,31.9,31,30.5,30.6,30.9,31.1,32.2,31.8
1979,31.1,31.5,31.6,31.6,31.3,31,30.1,30.1,30.8,31.7,32.3,31.9
1980,31.6,31.2,31.7,31.9,31.8,31.4,30.3,30.3,30.5,31.7,32.1,31.8
1981,31.2,31.2,31.4,31.6,31.6,31.1,30.7,31.2,31.9,31.7,32.4,31.9
1982,31.4,31.3,31.7,31.7,31.4,30.7,29.8,29.7,30.6,31,31.9,32.2
1983,31.9,32,31.7,31.9,31.1,31.1,30.3,30.5,31.2,32.3,32.8,32.1
1984,31.6,31.3,31.5,31.9,31.2,30.4,29.9,30.6,31.5,31.7,32.5,31.7
1985,31.3,31.5,31.9,31.2,31.4,30.3,29.4,30.2,31,32.1,32.5,32.1
1986,31.4,31.7,31.7,31.7,31.8,31.2,30.7,31,31.4,32.3,32.3,32.2
1987,31.8,30.8,31.8,31.7,31.5,31.5,30.3,30.6,31.4,32.1,33.4,32.5
1988,32,31.7,31.8,32.4,31.6,31.2,30.8,31.2,31.7,32.8,32.8,31.6
1989,31.3,31.5,31.3,31.6,31.5,30.9,30.7,30.8,31.6,32.1,32.5,31.8
1990,31.7,32.9,32.5,32.3,31.7,30.8,30.8,30.5,30.7,31.7,32.6,32.5
1991,31.5,30.8,31.6,32,30.9,30.7,30.6,30.7,30.7,31.5,32.4,32.3
1992,31.7,31.6,31.9,31.5,31.5,30.8,30.2,30.9,32,31.6,32.4,31.1
1993,30.9,30.8,31.8,31.6,31.3,31.1,30.9,30.4,31.5,32.7,32.4,31.6
1994,31.7,31.3,31.9,31.5,31.1,30.7,30,30,30.9,32,32.1,31.6
1995,31.4,31.5,31.5,31.8,31.1,31,30.4,30.5,30.8,31.2,32.4,31.5
1996,31.5,31.4,31.5,31.5,30.7,31.1,29.9,30.6,31.3,31.7,32.2,31.7
1997,31,31.3,31.3,31.4,30.9,30.8,30.2,30.4,30.9,31.7,32,31.9
1998,31.3,31.6,31.7,31.9,31.5,31,30.6,30.5,31.1,31.9,32.6,31.5
1999,31.4,31.4,31.4,31.5,31.1,31.1,30.2,30.3,30.9,31.7,32.2,31.5
2000,31.4,31.1,31.4,31.6,31.1,30.3,30.1,30.4,30.9,31.5,32.5,31.3
2001,31.1,31.1,31.5,31.7,31.1,31.1,30.3,30.3,31.1,31.9,32.5,31.7
2002,31.6,30.9,31.8,31.8,31.5,31,30.4,30.2,31.1,32,32.4,32.2
2003,31,31.3,31.4,32,31.5,31.5,30.7,30.6,31.2,32.4,32.3,32.3
2004,32,31.2,31.6,31.9,31.6,30.7,30.3,30.3,30.8,31.9,32.4,31.7
2005,31.4,31.8,31.6,31.7,31.1,30.9,30.6,30.5,31.2,32.1,32.2,31.7
2006,31.1,31.4,31.4,31.5,31,30.4,30,30.2,30.7,31.6,32.2,31.6
2007,31.3,31.2,31.2,31.5,31.3,30.5,29.9,30.3,30.9,31.8,32.1,31.7
2008,31.2,31.2,31.3,31.4,31,30.7,30.1,30.3,31,31.8,32.3,31.6
2009,31.2,31.1,31.5,31.6,31.1,30.7,30.1,30.4,31.1,31.8,32.1,31.6
