1901,31.3,30.8,31.6,31.3,30.9,29.7,29,28.9,30.1,31.2,32.6,31.2
1902,31.4,30.9,31.2,31.9,31.2,29.7,29.4,29.1,31.4,31.5,32.2,31.6
1903,31,30.8,31.7,31.8,31.5,30.2,29,29.5,29.8,30.9,31.8,31.4
1904,30.6,30.7,31.4,31.3,31.3,29.5,28.7,29.5,29.9,31.7,32.5,31.7
1905,31.1,30.8,31.3,31,31.4,30.4,29,29.7,30,31.8,31.6,31.4
1906,31.6,31,31.9,31.8,31.1,29.7,29,29.2,30.3,31.1,31.7,31.4
1907,31,30.9,31.1,31.5,31.1,29.8,28.4,29.4,30.7,32.2,32,31.1
1908,31.1,30.7,31.7,31.6,30.7,30.1,29,29.8,31,32.2,32.3,31.3
1909,30.8,30.8,31.4,31.5,30.8,29.1,29.5,29.4,31,30.9,32.1,31.2
1910,31.1,30.9,31.4,31.7,30.8,29.2,28.8,29.5,30.7,31.7,31.1,31
1911,30.9,30.4,31.2,30.8,30.7,29.5,29.2,29.4,30.7,31.7,31.8,32.1
1912,31.3,30.6,31.9,31.8,31.4,29.9,29.1,29.7,31.4,31.7,32.6,31.6
1913,30.7,30.6,31.8,31,31.6,29.6,28.7,29.9,30.8,32.1,31.8,31.3
1914,30.8,31.2,31.5,31.7,31.2,30.1,28.9,29.7,30.9,31.5,31.5,32
1915,31.1,31,31.6,32,31.3,29.7,29.4,29.1,30.4,32.1,32,31.5
1916,31.1,30.7,31.6,31.7,30.9,29.6,28.3,29.6,30.5,31.5,31.3,30.7
1917,30.6,30.1,31.1,31.4,31.5,29.9,29.4,29.5,30.3,30.4,31.6,30.8
1918,31.1,30.5,31.3,31.1,30.9,29.9,28.8,29.2,30.6,31.7,31.9,31.6
1919,31.1,31,31.6,31,30.4,29.6,28.5,30.1,31.4,31.5,32.4,31.8
1920,30.9,30.7,31.4,31,31.1,29.1,28.4,29.6,31.4,32.1,31.7,31.1
1921,30.8,30.7,31.1,31,30.9,29.6,29,29.5,30.7,31.8,31.8,31.1
1922,30.5,30.6,31.4,30.6,30.8,29.3,28.4,29.4,30.2,31.2,31.9,31.7
1923,31.3,31,31.8,31.8,31.4,29.7,29.4,29.2,31,31.7,32.3,31.6
1924,31.1,30.8,31.9,31.4,31.3,29.8,29.3,29.7,30.8,31.4,31.8,31.3
1925,30.9,30.8,31.3,31.8,30.7,30.4,29.6,29.3,31.6,31.8,31.8,31.6
1926,31.5,31.2,32.2,32.3,31.5,30.5,29.4,29.9,31.4,31.9,32.6,31.8
1927,31,31,31.3,31.6,31.2,29.8,28.7,29.8,30.8,31.7,31.9,32
1928,30.7,31.1,31.8,32.1,31.6,29.6,29.1,29.6,30.7,31.8,32.1,31.5
1929,31.3,30.2,32,31.9,31.1,30.1,29.5,29.7,30.8,32.3,32.2,31.3
1930,30.6,31.1,31.4,31.6,30.5,29.5,28.8,29,31.5,31.4,32.2,31.7
1931,30.6,30.7,31.2,31.3,30.8,29.4,29,29.2,30.1,30.8,31.2,31.2
1932,31.1,30.6,31.6,31.1,30.4,29.6,29,29.5,30.2,31.1,32.1,31.4
1933,31,30.5,31.1,31.4,30.9,29.5,29,29.4,29.9,31.4,32.2,31.4
1934,30.6,30.4,31.6,31.7,31.4,28.9,28.9,28.7,30.1,31.3,32.1,31.1
1935,31.1,30.9,31.9,31.2,31.4,29.6,27.9,29.6,31.3,31.9,31.7,31.3
1936,30.8,31.5,31.9,31.7,31.5,29.3,28.6,29,30.6,32.5,32.4,31.4
1937,30.9,31.1,31.3,31.9,31.2,30.3,28.9,29.5,31.7,31.6,33.2,31.7
1938,31.2,30.9,31.9,31.8,31.3,29.5,29.4,29.9,30.8,31.5,31.4,31.9
1939,31.2,31.1,31.6,31.8,31.7,30,29.4,29.4,31.3,31.9,32.4,31.2
1940,30.6,30.7,31.2,31.3,30.7,29.4,28.8,29.1,30.1,30.7,31.3,31.3
1941,29.7,31.1,31.6,31.9,31.2,29.7,28.7,29.5,30.6,31.1,31.4,31.6
1942,30.7,31.8,32.1,32.2,31.3,29.4,28.2,28.8,29.7,30.4,31.4,31.4
1943,30.5,30.6,31.1,31.8,31.3,29,27.9,28.7,29.3,29.4,30.3,30.6
1944,30,31.1,31.6,31.4,31.4,30,28.4,29,30.4,31.3,32.8,32.1
1945,30.7,30.6,31.9,32.2,31.3,29,29.3,29.4,30.2,31.5,32.2,30.9
1946,29.8,31,30.8,31.9,31.5,29.8,29.1,29.6,29.6,31.1,31.8,30.6
1947,30.3,30.7,31.2,31.4,31.2,30,29.6,29.6,30,30.8,31.4,31.7
1948,30.6,31.2,31.3,32.1,31.8,30.2,28.8,29.5,30.5,31.3,31.6,30.8
1949,30.5,30.3,31,31.1,30.8,29.6,28.8,29.3,30.1,31,31.4,31.3
1950,30.6,30.5,31.4,31.9,30.8,29.8,29,29.5,30.2,31.3,32,31.8
1951,30,30.6,30.9,31.8,31.3,30.1,29.6,29.7,30.5,31.5,31.9,31.5
1952,30.5,31,31.6,31.1,30.9,29.6,29.2,29.3,30.4,30.7,31.2,31.6
1953,31.1,31.1,31.6,31.7,31.3,30.3,29.6,29.3,29.9,30.7,31.3,31.1
1954,30.3,30.6,30.8,31.3,31.3,29.9,29.4,29.9,30.7,30.8,31.1,31.5
1955,31.2,30.3,30.7,31.5,30.9,29.1,28.7,29.1,30.1,30.5,31.3,31.3
1956,30.2,30.7,31.4,31,30,29.1,28.2,29.1,30,30.6,30.8,31.4
1957,30.1,29.7,30.7,31.2,30.3,29.4,28.7,29,29.7,30.5,31,30.9
1958,31.3,30.9,31,31.7,30.4,29.7,29.1,29.7,30.6,30.6,31.2,31.2
1959,31,30.8,30.5,30.9,30.2,29.4,28.3,29,29.9,31,31.2,31.1
1960,30.4,31.1,31.2,31.3,30.9,30,28.6,28.9,29.6,30.2,30.5,31.1
1961,31.3,31.6,31.8,31.7,31.4,30.2,29.7,29.7,30.6,31.6,32.1,31
1962,30.6,30.9,31.5,31.4,30.5,29.4,29,29.7,30.6,31,31.4,31.5
1963,31.2,30.6,31.5,31.8,30.6,29.6,28.8,28.5,29.8,30.8,31.9,31.4
1964,31,31.2,31.6,31.6,30.3,29.3,28.3,28.9,29.8,30.3,30.6,31.1
1965,30.5,30.4,30.8,31,30.6,28.7,28.8,29.1,30.2,31.1,31.8,31
1966,31.2,31.3,31.5,31.5,30.9,30.2,29.5,29.6,30.6,31,31.2,31.5
1967,30.3,31,31.2,31.4,31,29.9,29.5,29.6,30.4,31.1,31.7,30.7
1968,30.1,30.6,30.7,31.1,30.3,29.4,29.1,29.1,29.9,30.5,31.1,30.9
1969,30.8,30.6,32,32.1,31.5,29.6,29.3,29.3,30,31.1,31.5,31.7
1970,30.7,31.2,31.6,31.3,31.1,29.9,29.8,29.9,30.5,30.8,31.1,31
1971,30.3,30.2,31.1,31.5,29.8,29.1,28.6,28.2,29.2,29.7,30.2,30.5
1972,30.1,30.4,30.1,31,31,29,29.1,29.2,29.8,31,31.6,31.7
1973,30.4,30.6,31.1,31.6,31.1,29.6,28.9,28.9,29.8,30.2,30.6,30.4
1974,30.5,30.1,30.3,31.1,30,28.8,28.3,28.5,29.1,30,30.4,30.9
1975,30.1,30.5,30.5,31.2,30.7,29.1,28.7,28.5,29.2,30,31.1,30.4
1976,29.9,30.1,30.6,30.7,30.5,29.8,28.6,28.7,30,30.4,31.2,31.1
1977,30.7,30.3,30.9,31.1,31.1,30.1,29.1,29.5,30.3,31.3,31.7,31.7
1978,30.7,30.7,30.8,31.2,30.7,29.8,28.9,29.1,29.9,30.9,31.3,31
1979,31,30.7,31.3,31.1,30.9,29.6,29.1,29.3,30.2,31.1,31.4,31.6
1980,30.3,30.9,31,31.3,30.3,29.3,29.6,29.8,30.1,30.8,31.5,31
1981,31.3,30.9,31.2,31.3,30.4,29.2,28.8,29.5,29.7,31,31.1,31.5
1982,31,30.3,31,31.3,31,30.1,29,29.3,30.4,31,31.6,31.2
1983,30.9,31,31.7,31.7,31,30,29.4,29.2,29.7,30.6,30.9,30.8
1984,29.9,30,30.9,30.5,29.6,28.5,28.3,27.9,29.2,30.3,31.1,30.9
1985,30.8,29.9,31.1,31,30.4,28.9,28.6,28.9,29.8,30.2,30.9,31.7
1986,30.4,31,31,31.5,30.7,29,28.3,28.9,29.9,30.6,31.4,31.3
1987,30.5,30.7,32,31.8,31.2,29.3,29.3,30,30.3,31.5,31.6,31.7
1988,31.3,30.9,31.8,31.4,30.5,29.8,28.9,29.3,29.8,31.1,31.2,31.7
1989,29.7,30.1,31,30.8,30.5,29,28.6,28.6,29.8,30.2,30.9,31.2
1990,30.3,31,31.7,31.6,30.6,29.5,28.4,29,30.4,31.2,30.2,31.1
1991,31.1,30.7,31.2,31.1,30.6,29.3,28.7,29.2,30.5,31.1,31.6,31.1
1992,30.8,30.8,31.7,31.8,30.8,29.5,28.1,29.2,29.9,30.8,31.8,31.8
1993,31.4,30.7,30.6,31.6,31.2,29.7,28.3,29.1,29.5,30.7,31.3,31.5
1994,31,31,31.6,32.1,31.6,29.9,28.1,30.1,30.7,30.8,31,31.4
1995,31.4,31.1,31.1,31.3,30.4,29.1,29.5,29.4,30,30.5,30.8,31.2
1996,30.7,30.5,31.1,31.1,30.3,29.2,28.3,28.6,30.3,29.9,31.1,31.1
1997,30.4,29.8,32,31.7,31.2,29.4,28.8,29.5,30.4,30.9,32.7,32.1
1998,31.6,31.7,32.1,32,31.4,30.2,29.3,29.7,30.2,30.8,32,30.9
1999,30.9,31.1,32,31.3,31.1,29.5,29,29.2,30.3,30.4,31.7,31.7
2000,31.5,30.8,31.2,30.8,31.7,29.3,28.6,29.3,30.3,30.6,31.4,31.4
2001,31,31.1,31.3,31.9,31.5,29.7,29,29.4,30.2,30.5,32.1,31.8
2002,30.4,31.4,31.3,31.5,30.6,29.2,29.1,28.8,28.9,30.8,31.4,31.3
2003,30.7,30.5,32.2,31.2,31.3,29.4,28.9,29.5,29.8,30.6,31.6,31
2004,30.8,31.3,31.2,30.9,30.1,28.5,28.5,28.8,30,30.8,31.1,31.2
2005,30.9,31.8,31.7,31.6,31.1,29.7,29.1,29.8,30.9,31.3,32,31.2
2006,31.1,31.4,31.9,31.4,31.2,29.7,29.2,29.8,30.5,31.1,31.9,31.4
2007,31.7,31.7,31.9,31.9,31.7,30,29.1,30.2,30.6,31.4,31.8,31.9
2008,31.4,31.2,31.3,31.5,30.8,29.3,28.9,29.4,30.5,31.3,31.9,31.4
2009,31.8,31.5,31.9,31.6,31.4,30.4,29.4,30,30.6,31.4,31.9,32.1
