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