1901,30.7,31,31.2,30.4,29.7,28.8,28.6,29.3,29.9,30.9,31.8,31.1
1902,30.7,31.1,31.1,30.6,29.7,29,28.9,29.4,30.3,30.9,31.8,31.4
1903,30.7,31.2,31.2,30.7,30,29.1,28.6,29.5,30.5,31.3,31.6,31.1
1904,30.5,30.9,30.9,30.4,29.6,29,28.5,29.3,29.7,31.2,31.9,31
1905,30.7,31,30.9,30.2,29.8,29.4,28.6,29.6,30.1,31.5,31.8,31.3
1906,31,31,31.2,30.3,29.8,28.9,28.7,29.3,30,31,31.5,31.2
1907,30.7,31,31,30.4,29.7,28.9,28.3,29.1,30,31.3,31.7,31.2
1908,30.7,31,31.2,30.6,29.4,29,28.6,29.6,30.2,31.5,32,31.2
1909,30.7,31.1,31.2,30.4,29.7,28.8,28.8,29.5,30.1,31.1,31.7,31.2
1910,30.8,31.1,31.1,30.3,29.6,28.8,28.6,29.4,30,31,31.7,31.1
1911,30.6,31,31.1,30.2,29.7,28.7,28.7,29.5,30.3,31.5,31.9,31.6
1912,31,31.1,31.3,30.6,30,29,28.7,29.6,30.6,31.4,32.2,31.3
1913,30.7,31.1,31.3,30.3,30,28.9,28.7,29.6,30.2,31.5,32,31.2
1914,30.9,31.1,31.4,30.4,29.9,29.1,28.6,29.6,30.4,31.5,32,31.5
1915,30.8,31.2,31.2,30.7,29.9,29,28.9,29.4,30.3,31.7,32,31.4
1916,30.9,31.1,31.3,30.6,29.8,29,28.5,29.4,30.3,31.4,31.7,31.1
1917,30.7,31,31.2,30.4,30,29.1,28.9,29.5,30.2,31,31.9,31
1918,30.8,31,31.1,30.3,29.7,29,28.6,29,30.1,31.6,31.9,31.4
1919,30.8,31.1,31.2,30.6,29.4,28.9,28.5,29.3,30.2,31,31.8,31.4
1920,31,31.2,31.2,30.3,30,29,28.6,29.5,30.5,31.7,32,31.4
1921,30.9,31.3,31.3,30.4,29.7,29,28.6,29.3,30.3,31.5,31.9,31.2
1922,30.7,31.1,31.1,30.2,29.8,28.9,28.5,29.6,30.2,31.3,32,31.4
1923,30.9,31.1,31.2,30.6,29.8,29,28.8,29.3,30.4,31.4,32.3,31.3
1924,30.8,31.3,31.5,30.5,30,29.1,28.8,29.6,30.4,31.3,31.9,31.2
1925,30.8,31.1,31.2,30.7,29.8,29.4,28.9,29.5,30.6,31.5,32,31.4
1926,30.8,31.4,31.5,30.8,30,29.4,28.8,29.7,30.5,31.5,32.2,31.4
1927,30.8,31.1,31.1,30.5,29.8,29,28.6,29.7,30.4,31.4,32,31.6
1928,31,31.2,31.3,30.6,29.9,29,28.7,29.5,30.5,31.5,32.2,31.4
1929,30.7,31.1,31.3,30.3,29.9,29.2,28.9,29.5,30.5,31.7,32.2,31.3
1930,30.7,31.4,31.2,30.5,29.6,28.8,28.7,29.4,30.7,31.3,32.2,31.4
1931,30.7,31.2,31.2,30.5,30,29,28.8,29.7,30.3,31.4,31.8,31.3
1932,30.7,31.1,31.1,30.4,29.5,28.9,28.5,29.2,30.4,31.3,31.7,31.3
1933,30.8,31,31.1,30.4,29.7,28.9,28.6,29.5,30,31.3,32.1,31.1
1934,30.4,30.2,30.6,30.8,30.3,28.8,28.6,29.6,29.7,31.2,31.9,31.1
1935,30.9,30.8,31,29.5,29.6,28.1,28,27.8,30.2,31.7,31.6,30.7
1936,30.5,31.3,31.2,30.1,30.1,28.7,28.2,28.6,29.3,31.7,32.5,31.1
1937,30.6,31.5,31.3,30.8,30.4,29.1,28.5,29.2,30.5,31.6,32.6,31.1
1938,30.5,30.9,30.9,30.6,29.6,29.3,28.8,29.2,30.2,31.8,32.2,31.1
1939,30.4,31.8,30.7,30.2,30.1,28.1,28.4,29.4,29.7,31.5,31.8,31.2
1940,30.7,31.2,31.2,30,29.8,29.1,28.3,29.2,30.5,30.4,32.1,32
1941,30.9,31.8,31.6,30.9,29.8,28.3,28.2,29.3,30.6,31.4,32.3,31.9
1942,31.7,32.5,32.3,31.1,30.1,29.2,28.2,29.5,30.1,30.8,31.8,31.9
1943,31.1,31.2,31.5,31.1,30.2,28.7,27.5,29,29.2,30.2,32,32
1944,30.8,31.8,31.6,30.8,30.1,29.3,28.6,29,30.5,31.5,32.8,31.9
1945,31.2,31.6,32,31.4,30.2,27.9,28.1,29.2,29.3,32.1,32,32.1
1946,31.2,31.9,31.6,30.9,30.3,29,28,28.9,29.3,31.1,32.1,32
1947,31.6,31.8,31.7,30.9,29.5,28.7,28.6,28.8,30,31.1,31.9,31.5
1948,30.8,31,31.3,30.9,30.5,29.4,28.9,29.8,30.3,31.7,32,31.4
1949,30.7,30.6,31.3,30.7,30,29,29.1,30.3,30.8,31.7,32.2,31.7
1950,30.1,30.6,30.8,30.7,29.2,28.5,28.9,29.4,30.1,30.8,31.6,31.4
1951,30.7,31.4,31.1,30.6,29.7,29.4,28.7,30,30.8,31.9,32.2,32
1952,31.6,31.7,31.9,30.6,29.9,29.2,29.1,29.8,30.7,31.5,32,31.8
1953,31.6,31.8,31.3,31.1,30.2,29.2,28.8,29.6,30,31.4,32.4,31.6
1954,30.7,31.7,31.3,30.7,30.2,29,29,30,31.1,31.3,31.9,32
1955,31.3,31.3,31,30.3,29.5,28.7,29,29.3,30.2,31.1,32.1,31.7
1956,29.8,31.1,31.3,30.3,29.8,28.8,28.2,29.6,29.7,31,31.9,31.6
1957,30,30.2,30.9,30.4,29.4,29,28.9,29.7,30.5,31.6,32.3,31.6
1958,31.3,30.9,31.2,31.8,30.5,29,28.6,29.9,31,31.7,32,31.1
1959,31.3,31.5,31.1,31.5,30.8,29.8,28.5,29.5,30.4,31.2,32.1,31.5
1960,30.8,31.7,30.5,30.1,30,29.2,28.6,29.9,30.2,31.3,31.6,31.8
1961,32.2,32.5,32.1,31.5,30.6,29.6,28.6,29.7,30.7,31.9,31.8,30.8
1962,30.1,31.2,31.6,30.8,29.5,29.7,29.3,29.6,30.2,30.5,32.3,32.1
1963,30.4,30.8,31,29.8,29.3,28.5,29.3,29.5,30.1,31.3,30.9,31
1964,30.4,31.7,30.8,30.5,29.7,29.1,28.2,29.3,29.6,30.8,32,31.5
1965,30.1,30.1,30.5,30,29.2,28.5,28.5,29.4,30.1,31.2,31.7,30.7
1966,31.6,31.5,31.4,30.6,30.2,29.3,29.4,30,30.7,31.4,31.7,31.8
1967,31,31.6,31.7,30.6,29.6,29,28.4,29.1,29.8,30.7,31.4,29.8
1968,29.7,30.3,30.3,29.8,29.7,28.2,28.7,29.7,29.9,31.2,31.3,31.6
1969,30.9,30.9,31.4,30.8,30,29.2,29.1,29.2,30,31,31.9,32
1970,30.4,31.1,31.6,30.4,30.2,29.4,29.7,30.2,30.2,30.9,31.9,30.9
1971,30.7,29.9,30.9,30.4,29.9,29,28.8,29.5,30.5,30.9,31.8,31.4
1972,31.1,30.2,31.1,30.5,29.9,29.4,28.8,29.7,30.8,31.4,31.5,31.4
1973,30.5,31.5,31.2,30.2,30.5,28.8,28.7,28.9,30.3,31.1,31.7,31
1974,30.1,30.9,30.3,29.5,29.5,28.9,28,29.4,30.2,30.7,31.6,30.8
1975,30.7,31,30.7,29.6,29.6,28.7,28.6,28.7,29.2,30.9,31.9,31.5
1976,30.3,31.2,30.5,30.1,29.4,28.6,28.3,29,30.2,31,32,32.3
1977,30.7,31.5,30.5,30.2,29.5,28.3,28.8,29.7,30.2,31.1,31.5,31.3
1978,30.5,31.8,30.2,30.4,29.7,28.7,27.3,29.8,30.1,30.9,31.2,29.7
1979,30.6,30.4,30.6,30,29.4,28.9,28.3,29.7,30.3,30.9,32.2,32.3
1980,30.9,32.1,31.1,30.1,29.9,28.8,28.3,28.9,30.3,31.4,32,31.2
1981,32,31.6,31.2,30.2,28.9,28.6,28.3,28.9,29.9,30.8,31.9,31
1982,30.5,31.2,31.9,30.3,28.9,29,28.7,29,29.6,30.7,31.1,30.6
1983,30.9,31.7,31.1,30.7,29.9,29.7,28.6,28.8,29.9,31.3,31.9,30.9
1984,30.2,30.2,30.9,29.2,29.4,27.8,28,28.6,30,30.6,31.5,30.3
1985,31,30.7,30.7,30.2,29.7,28.7,28.2,29.2,30.2,30.3,30.8,31
1986,30.5,31.1,31.5,30.6,29.9,28.6,28.3,29.5,30.2,31.4,31.4,30.9
1987,30.7,31.6,31.8,31.7,30.4,29.2,28.8,29.9,30.5,31.3,32.2,31.9
1988,32,32.2,32.5,31.4,30.4,29.6,29.6,29.9,30.4,31.7,31.8,31.5
1989,29.6,30.4,30.7,30,28.8,28.3,28.4,28.9,29.8,31,31.8,30.9
1990,31.1,32,31.5,30.9,30.2,29.5,29.1,29.3,30.4,32,32.5,32.6
1991,31.7,31.4,31.4,30.9,29.8,29.3,28.9,29.3,30.6,31.8,32,31.1
1992,31.2,31.7,31.2,30.4,30,28.9,28.3,29,30.3,31.3,31.9,32.2
1993,31,30.8,30.6,30.4,30.3,29,28.3,29,30.2,31.6,31.9,32.3
1994,31.5,31.2,31.9,31,29.4,29.3,28.9,29.7,30.6,31.5,32.3,31.3
1995,30.6,31.2,31,30.6,29.9,29.2,29.4,29.4,30.6,31.4,31.9,31.9
1996,31.7,31.3,30.8,30.3,29.4,29,28.7,29.6,30.1,30.7,31.9,31.2
1997,31.2,30.4,31,30.7,29.9,28.9,28.7,29.8,30.7,31.2,31.8,31.7
1998,31.1,31.8,32.3,31.2,30.4,29.8,29.3,30.1,29.9,30.9,31.8,31.9
1999,31.4,31.6,31.2,30.4,29.8,28.8,28.3,29,30,31.1,31.7,32.3
2000,31.4,31.3,31.3,30.8,30.9,28.8,28.7,28.8,30.2,31.2,31.7,31
2001,30.6,31.1,31.8,30.4,30.4,29.4,29.1,29.7,30.2,31.3,32.8,31.9
2002,31.5,31.5,31.6,30.4,29.9,29.4,29.3,29.5,30.1,31.9,32.3,32.1
2003,31.3,31.3,32.5,31.1,30.5,29.8,28.2,29.8,30,32.2,32.6,31.3
2004,32.3,32.2,32.1,30.4,30.1,29,29.1,30.1,30.6,31,31.7,30.9
2005,31.1,31.9,31.9,30.9,30.3,30,28.8,29.4,31,31.3,32.2,31.8
2006,31.6,31.9,31.7,29.8,29.9,28.1,27.9,29.1,30,31,32,30.7
2007,30.8,31.3,31,30.9,29.9,29,28.7,30.6,30.8,30.8,32.2,30.9
2008,30.9,31.3,31,30.3,30.5,28.4,28.6,29.3,30.6,31.6,32.3,31.3
2009,32.3,32.1,31.5,30.7,29.9,30,28.9,29.7,31,31.7,31.8,32.5
