1901,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1902,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1903,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1904,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1905,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1906,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1907,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1908,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1909,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1910,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1911,29.8,30.4,30.7,31.3,31.2,30.9,30.8,31,31.4,31.6,31.5,30.7
1912,30.2,30.5,30.9,31.3,31.2,30.7,30.6,31,31.4,31.6,31.4,30.7
1913,30,30.4,30.9,31.1,31.2,30.7,30.6,31.1,31.4,31.7,31.4,30.8
1914,30,30.5,30.8,31.2,31.4,30.7,30.7,31.2,31.5,31.7,31.5,30.9
1915,30,30.4,30.8,31.3,31.3,30.9,30.6,31.2,31.4,31.7,31.5,30.7
1916,29.9,30.4,30.7,31.3,31.1,30.8,30.4,30.9,31.4,31.7,31.4,30.7
1917,29.8,30.2,30.6,31.2,30.9,30.7,30.6,30.9,31.3,31.6,31.4,30.6
1918,29.5,29.9,30.7,31.1,31,30.6,30.6,31.1,31.3,31.5,31.4,30.5
1919,30.1,30.5,30.9,31.3,31.3,30.9,30.6,31.1,31.4,31.7,31.4,30.6
1920,30,30.4,30.8,31.3,31.2,30.9,30.7,30.9,31.4,31.7,31.5,30.5
1921,30,30.3,30.7,31.2,31.1,30.7,30.6,31.1,31.4,31.5,31.3,30.7
1922,30.1,30.3,30.6,31,31,30.7,30.6,30.9,31.4,31.6,31.5,30.8
1923,29.9,30.4,30.7,31.3,31.1,30.8,30.5,30.9,31.2,31.6,31.4,30.7
1924,30.1,30.4,30.6,31.2,31.1,30.7,30.6,31.1,31.2,31.5,31.2,30.6
1925,29.9,30.1,30.5,31.2,31.2,30.9,30.6,31.1,31.3,31.5,31.3,30.6
1926,29.9,30.4,30.8,31.4,31.3,30.8,30.6,31.1,31.3,31.6,31.4,30.7
1927,29.9,30.3,30.8,31.1,31.1,30.7,30.6,31.1,31.3,31.5,31.3,30.7
1928,30,30.3,30.7,31.2,31.2,30.8,30.6,31,31.3,31.6,31.3,30.7
1929,29.9,30.1,30.5,31.2,31.2,30.6,30.7,31.1,31.3,31.5,31.2,30.6
1930,29.9,30.3,30.6,31.2,31.1,30.7,30.8,31.3,31.4,31.6,31.4,30.7
1931,30,30.5,30.8,31.3,31.2,30.9,30.6,31.3,31.3,31.6,31.4,30.5
1932,29.8,30.3,30.6,31.1,31,30.6,30.6,30.9,31.2,31.6,31.2,30.7
1933,29.9,30.2,30.6,31.1,31.2,30.8,30.6,31.1,31.2,31.5,31.2,30.5
1934,29.6,30,30.4,31,31.1,30.7,30.6,31,31.4,31.5,31.3,30.7
1935,30,30.3,30.8,31.1,31,30.6,30.7,31,31.4,31.6,31.4,30.7
1936,30,30.5,30.7,31.2,31.2,30.7,30.6,30.9,31.3,31.4,31.3,30.7
1937,30,30.3,30.8,31.2,31,30.8,30.7,31.1,31.3,31.5,31.3,30.7
1938,30,30.5,30.6,31.1,31.1,30.8,30.6,30.9,31.3,31.6,31.3,30.7
1939,30,30.3,30.7,31.2,31.1,30.7,30.6,31,31.2,31.5,31.3,30.7
1940,30.1,30.4,30.9,31.3,31.2,30.9,30.8,31,31.3,31.7,31.5,30.8
1941,30.1,30.7,31,31.4,31.3,31.1,31,31.1,31.5,31.9,31.4,30.8
1942,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1943,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1944,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1945,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1946,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1947,29.8,30.2,30.6,31.1,31.1,30.7,30.5,30.9,31.2,31.5,31.2,30.5
1948,29.9,30.3,30.7,31.3,31.2,30.9,30.6,31.1,31.4,31.7,31.3,30.8
1949,30.1,30.4,30.9,31.2,31.1,30.8,30.6,31.1,31.4,31.5,31.3,30.7
1950,30.2,30.5,30.7,31.1,31.1,30.8,30.7,30.9,31.3,31.5,31.3,30.6
1951,29.7,30.1,30.7,31.2,31.1,30.9,30.5,31.1,31.3,31.5,31.4,30.7
1952,29.9,30.2,30.5,31.3,31.2,31,30.6,30.9,31.3,31.7,31.2,30.6
1953,29.9,30.1,30.5,31.1,31,30.8,30.4,31.2,31.3,31.6,31.3,30.7
1954,30,30.4,30.7,31,31,30.6,30.4,30.9,31.2,31.3,31.1,30.3
1955,29.8,30.2,30.7,31.1,31.2,30.7,30.3,30.7,31.1,31.3,31.2,30.4
1956,29.6,30.1,30.5,31.1,30.8,30.5,30.2,30.7,31.1,31.3,31,30.4
1957,29.8,30.1,30.5,31.1,31,30.8,30.5,30.8,31.1,31.5,31.2,30.4
1958,30,30.3,30.7,31.3,31.1,30.8,30.7,30.8,31.3,31.5,31.2,30.5
1959,29.1,30,29.7,31,30.3,29.9,30.6,30.8,31.2,31.5,30.2,30.5
1960,29.5,29.6,30.7,30.4,30.5,30.2,29.5,30.8,30.8,31.4,30.3,30
1961,29.6,29.4,30.1,29.8,30,30.5,30.4,30.9,32.3,33.2,31.7,30.4
1962,29.1,28.5,29.9,30,31,30.5,29.2,29.6,31,30.4,30.4,30
1963,28.2,28.1,29.9,30.6,30.4,30.4,30.9,31.6,32.2,31.8,31.7,31
1964,30.6,30.7,30.2,30,30.6,30.2,29.6,30.1,30.4,30.3,30.1,29.7
1965,28.5,30,29.8,30.7,31.1,30.5,30.2,31.1,32,32.5,31.2,30
1966,29.9,29.6,30.1,31,30.7,30.4,30.4,30.6,30.4,30.2,30.4,29.7
1967,29.1,29.3,29.9,30.5,31.5,31.1,30.1,30.9,31.5,32,30.5,29.2
1968,29.3,29.1,29.1,30,30.1,29.4,28.2,28.4,30,30.6,31.3,29.6
1969,30.5,30.1,30.3,30.5,31.2,30.2,30.6,30.5,30.3,32,31.6,29.7
1970,29.8,29.9,30.8,30.4,29.6,30,29.8,30.5,30,31.4,30.1,29.9
1971,28.5,29.1,30,30.7,30.9,29.5,30.2,30.6,31,30.5,29.5,29.8
1972,28.6,30.3,29.8,30.7,30.3,31.2,31.4,30.5,32.4,33.8,32.9,31.8
1973,30.8,30.9,30.9,31.2,31.2,30.5,30.8,31,31,32.5,31.4,30.7
1974,29.5,30.1,31.8,31.7,31.4,31.3,30.6,30.5,30.9,30.5,30.6,30.9
1975,30.8,30,30.7,31.2,31.2,31.3,30,31.3,30.6,30,31.2,30.9
1976,28.7,30.9,30.7,31,32.2,31.2,31.6,31,32.9,30.9,30.6,31.2
1977,30.1,29.9,30.2,31.3,31.3,30.1,31.5,31.6,31.6,32.1,32.4,30.8
1978,30.1,31,31.2,31.8,30.8,29.2,29.2,30.3,30.1,31.3,31.4,30.5
1979,30.4,30.8,30.9,31.1,31,30.8,31.4,31.1,31,32.3,31.8,30.6
1980,30.1,30.5,31.5,30.8,33.2,31.7,31,30.6,32.3,32.3,32.2,30.8
1981,29.9,30.3,30.8,31.5,31.5,30.9,29.9,31.7,31.3,32.4,30.7,30.7
1982,30.7,30.4,29.7,31.1,31.4,31.4,32.7,33,32.9,33.6,33.4,33.1
1983,31.2,32.2,31.4,32.5,31.7,31.8,31.4,32.4,32.5,32.3,31,30.8
1984,30.4,30.1,30.8,31.4,31.5,31.1,30.1,30.6,29.8,31.3,31.5,30.4
1985,30.6,31.3,31.2,31.2,31.3,30.9,30.2,31.1,30.9,30.4,31.1,31
1986,29.9,31,30.1,31.3,31.7,30.2,30,30.5,29.9,30,30.9,30
1987,29.8,31,31.8,32.2,31.8,31.6,31.3,31.9,32.4,32.4,31.6,29.8
1988,29.8,31.1,31.1,31.2,30.6,30.5,29.7,30.5,31,30.7,30.2,29.9
1989,30.1,29.3,30.9,31.5,31.6,30.1,30.4,31,31.4,30.8,31.4,30
1990,29.8,30.4,31,31.8,31.6,31.1,30.5,31.5,31.6,31.8,31.6,30.7
1991,30.3,30.7,31.2,31.6,31.8,31.7,31.4,31.6,31.4,31.8,30.7,30.2
1992,29.8,30.4,30.7,31.5,31.4,31.3,31.1,31.1,30.8,30.6,30.7,29.9
1993,29.7,30.1,30.2,31.2,31,30.7,30.9,31,31.1,30.7,30.8,30.5
1994,29.8,30.5,30.2,31,30.6,30.3,31,31.2,31.6,31.7,31.5,31
1995,30,29.9,30.5,31.2,31.2,30.8,30.8,31.3,31.3,31.4,31.1,30.2
1996,29.6,29.9,30.8,31.7,31.6,30.9,31.5,31.2,31.7,31.6,31.7,30.7
1997,30.2,30.2,30.7,31.3,31.5,31.5,31.1,31.2,31.3,31.3,31.5,31.4
1998,30.8,31.4,30.9,31.5,32.7,31.1,31,31.4,31.8,32.1,31.4,30.9
1999,30.4,30.4,30.9,31.8,31.6,31.1,31.2,32,31.5,31.3,31.6,30.6
2000,29.8,30.9,30.7,31.4,31.2,30.5,31.7,31.2,31.7,31.1,30.6,30.9
2001,29.8,29.8,30.3,31.3,32.1,31.3,31.6,32.1,31.3,31.4,31.2,30.6
2002,29.8,30,31.4,31.9,32.5,31.4,31.5,31.6,31.4,32.1,31.3,31.1
2003,30.9,30.6,31.3,31.7,32.8,31.9,31.4,31.5,31.4,31,31,30.2
2004,30.4,30.6,31.1,32.1,31.7,32.5,31,31.7,31.1,32,31.6,30.7
2005,30.6,31.2,30.8,30.7,30.9,30.9,30.7,31.2,30.6,31.6,31.4,30.6
2006,30.5,30.4,31.4,31.2,31.4,30.9,31,31.3,31.6,31.9,31.6,30.8
2007,30,30.5,30.6,31.1,31.5,31,30.9,31.2,31.6,31.5,31.5,30.5
2008,30,30.3,30.5,31.2,31.4,30.8,30.8,31.2,31.6,31.4,30.5,30.8
2009,30,30.5,30.6,31.3,31.4,31.2,30.8,31.2,31.4,31.1,31.1,30
