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