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