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