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