1901,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1902,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1903,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1904,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1905,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1906,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1907,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1908,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1909,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1910,30.3,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.4,30.7
1911,30.4,31.1,31.2,31.8,32,31.4,31.5,31.4,31.7,32.2,32.2,31.4
1912,31.4,31.3,31.8,31.9,32,31,31.1,31.4,31.7,32.3,31.9,31.3
1913,30.8,31.1,31.7,31.5,32,30.9,31.1,31.5,31.7,32.5,32,31.5
1914,30.8,31.4,31.3,31.8,32.6,31,31.2,31.9,32.1,32.5,32.4,31.8
1915,30.9,31.1,31.2,31.9,32.2,31.5,30.9,32,31.7,32.4,32.2,31.3
1916,30.7,31.2,31.2,31.8,31.8,31.1,30.4,31.2,31.8,32.5,32.1,31.3
1917,30.4,30.4,30.9,31.7,31.2,30.9,30.9,31,31.5,32.2,32.1,31
1918,29.5,29.5,31,31.3,31.5,30.6,31,31.5,31.6,32,32.1,30.7
1919,31.1,31.3,31.6,32,32.3,31.5,30.9,31.7,31.8,32.3,32,31.1
1920,30.7,31,31.4,31.8,32.1,31.5,31.2,31.2,31.8,32.3,32.4,30.7
1921,30.7,30.7,31.1,31.7,31.6,30.9,31,31.5,31.9,32,31.8,31.4
1922,31.2,30.9,30.9,31.2,31.5,30.9,31,31.1,31.8,32.2,32.4,31.7
1923,30.6,31,31.1,32,31.8,31.2,30.8,31,31.2,32.2,32,31.2
1924,30.8,30.8,30.6,31.7,31.5,30.7,31.2,31.7,31.3,31.8,31.4,30.8
1925,30.7,30.1,30.6,31.7,32.2,31.5,31.1,31.8,31.9,32.1,32.1,31.1
1926,30.6,31.3,31.8,32.4,32.1,31.3,31.3,31.7,31.8,32.3,32.1,31.3
1927,30.5,30.8,31.4,31.5,32,31.2,31,31.7,31.8,32,31.9,31.4
1928,30.9,30.5,31,31.8,32.2,31.3,31.3,31.6,31.9,32.3,31.8,31.3
1929,30.6,30.2,30.2,31.8,32,30.7,31.3,31.7,31.7,32.3,31.5,31.1
1930,30.8,31,30.6,32,31.7,31.2,31.7,32.6,31.9,32,31.9,31.6
1931,31.1,31.7,31.6,31.9,32.2,31.2,31.2,32.4,31.7,32.3,31.8,30.7
1932,30.3,31,30.4,31.2,31.4,30.6,31.1,31.3,31.4,32.1,31.6,31.3
1933,30.5,30.8,30.7,31.4,31.9,31.3,31,31.4,31.4,31.9,31.2,30.8
1934,29.6,29.9,30,31,31.7,30.7,30.9,31.5,31.7,31.7,31.7,31.5
1935,31.1,31.1,31.3,31.4,31.3,30.5,31.2,31.3,31.8,32,31.9,31.4
1936,31,31.5,30.8,31.6,31.6,30.8,31,31.2,31.7,31.9,31.6,31.5
1937,31.1,30.8,31.6,31.4,31.5,31.2,31.2,31.9,31.7,31.8,32,31.2
1938,30.7,31.4,30.8,31.4,31.5,31.3,31.2,31,31.5,32.3,31.9,31.4
1939,30.8,30.6,31.2,31.6,31.8,30.7,31.2,31.4,31.1,31.7,32.1,30.9
1940,30.9,30.8,31.7,31.9,32,31.3,31.3,31,31.4,32.5,32.3,31.5
1941,31.3,31.4,31.6,32,32.1,32,31.7,31.7,32.1,32.9,32,31.5
1942,30.4,30.5,30.8,31.4,31.7,30.9,30.7,31.1,31.3,31.9,31.5,30.7
1943,30.3,30.6,30.8,31.5,31.7,30.9,30.8,31.2,31.3,31.9,31.5,30.7
1944,30.4,30.5,30.8,31.5,31.7,30.9,30.7,31.1,31.3,31.9,31.5,30.7
1945,30.3,30.5,30.7,31.5,31.7,30.9,30.7,31.1,31.3,31.9,31.5,30.7
1946,30.2,30.3,30.5,31.2,31.5,30.7,30.7,31,31.2,31.8,31.4,30.7
1947,30.4,30.4,30.5,31.1,31.4,30.5,30.6,30.9,31.3,31.8,31.3,30.4
1948,30.3,30.6,31,32.1,32.1,31.4,30.9,31.6,31.7,32.5,31.5,31.6
1949,31.2,31,31.5,31.5,31.5,30.9,30.9,31.5,31.6,31.9,31.6,31.2
1950,31.2,31.2,30.9,31.2,31.6,31,31,31.2,31.5,31.7,31.8,31
1951,29.3,29.4,30,31.2,31.3,30.9,30.6,31.1,31.2,31.7,31.3,30.5
1952,29.6,29.4,30.2,30.9,31,30.9,30.7,30.4,31.2,32,30.6,30.4
1953,29.6,29.1,29.7,30.4,30.7,30.8,30.5,31.4,31.1,32,31.7,30.4
1954,29.5,29.9,29.9,30.8,31,30.5,30.5,31,31.2,31.4,30.6,30
1955,29.3,30,30.6,30.5,31.8,30.4,30.4,30.1,30.9,31.4,31,30.4
1956,29.1,29.5,30,30.9,30.9,30.6,30.2,30.5,31,31.4,30.6,30
1957,30.1,30.2,30.1,31.2,31.1,31.1,30.4,30.6,30.9,31.5,31.3,29.7
1958,30.8,30.3,30.5,31.7,31.4,31.1,31.2,30.8,31.2,32,30.9,31
1959,30.3,30.8,30.7,30.7,31.3,30.2,30.5,30.7,30.8,31.6,31.2,30.6
1960,29.7,29.7,30.5,30.5,31.5,30.6,30.3,31.1,31,32.3,31,30.1
1961,30,29.9,30.1,30.6,31.5,30.7,30.6,30.8,31.3,31.7,30.5,30
1962,29.7,30.3,29.7,30.7,31.3,30.4,30.8,30.3,30.9,31.2,30.7,30.2
1963,29.4,29.5,31,31.9,31.2,30.3,30.4,31.3,30.9,30.9,30.8,30
1964,29.9,29.7,30.4,30.8,31.1,30.4,29.7,30.7,30.6,31.1,30.7,29.6
1965,29.6,30.2,30.1,30.5,31,30.3,30.3,30.7,31,31.6,31.3,30.5
1966,29.5,30,30.1,30.9,31.1,30.2,29.9,30.6,30.8,31.2,31,30.1
1967,29.1,29.4,30.2,30.5,30.8,30,30,30.6,30.6,31.1,30,29.2
1968,29.9,30.7,30.2,31.3,31.7,31,30.5,30.6,31,31.2,31.4,30.3
1969,30.1,30.1,31,31.8,31.3,30.6,30.8,30.5,30.8,31.6,31,29.9
1970,30,30.5,30.9,31.5,31.4,30.6,30.4,30.9,30.7,31.7,31,30.4
1971,29.4,28.7,29.8,31,31.9,29.8,30.1,30.2,31.5,32.1,30.9,30.2
1972,30,30.3,30.9,30.7,31.7,30.5,31.2,31.3,31.1,32.2,31.1,30
1973,30.9,30.9,30.7,31,31.2,30.7,31.2,30.1,30.7,31.3,31.7,30.2
1974,29.9,29.5,30.6,31.1,31.3,30.4,30.3,31.1,31.1,32.2,31.5,30.6
1975,30.2,29.8,30.1,31,31.4,30.4,30,30.9,31.5,32,30.8,30.2
1976,30.1,30.4,30.4,30.3,31.1,30.8,30.8,31.1,31.2,31.8,31.1,30.9
1977,30.4,30,30.8,32,31.2,30.9,30.9,31,31.4,32.4,31.5,32
1978,30.5,30.9,30.9,31.7,31.5,31.1,30.4,30.6,31.3,32.1,31.3,30.8
1979,30.9,31.1,31.4,31.4,32.2,30.8,30.7,31.1,31.5,31.9,31.4,31.4
1980,31,31.5,31,31.3,31.7,31.1,31,30.8,31.7,32.3,31.4,30.9
1981,30.7,30.5,31,31.2,31.5,31.4,31,32.1,31.3,32.3,32,31
1982,30.8,30.8,31.1,31,31.5,31.2,31.1,31.4,31.5,31.7,31.6,31.5
1983,31.1,32.5,32.6,33.2,32.5,31.6,31,31.9,31.9,33,31.7,30.4
1984,29.9,29.4,30.5,32.1,31.7,31.1,31.1,31.3,31.3,32.5,31.8,30.4
1985,31.2,30.9,30.9,31.4,32.3,31.7,31,31.4,31.7,32.2,31.8,31.8
1986,30,30.8,30.4,31.7,32,30.6,31.4,31.6,31.7,32.3,32.1,31.7
1987,30.2,31.5,31.9,32.1,31.9,31.9,32.1,31.8,31.8,33,32.7,31.5
1988,31.3,31.3,31.2,32,32.9,31.2,31.2,31.1,31.7,32.3,31.7,31.3
1989,30.9,30.6,30.5,31.4,31.7,31.2,30.8,31.3,31.1,32,32.1,31.1
1990,30.7,31.3,31.8,32,32.6,31.1,30.8,31.6,31.7,32.5,31.9,31.3
1991,31.2,31.1,31.7,32,31.9,32,31.9,32.1,31.8,32.5,31.5,30.2
1992,30.8,31.3,31.8,32.5,31.8,30.8,31,31.8,31.9,31.9,31.4,30.4
1993,30.8,30.8,30.6,31.3,31.9,31.2,31.2,32.5,32.3,32.3,31.8,31
1994,30.8,31,30.5,32,31.6,31.1,31.8,31.9,31.5,31.7,31.5,31
1995,30.4,30,31.1,31.6,32.1,31.7,31.1,30.9,32.4,33.2,32.2,30.2
1996,30.3,30.3,31.2,31.6,32.6,31.3,31.8,31.4,32.3,32.4,32.2,30.7
1997,30.6,31.3,31.5,31.3,32.4,32.3,31.8,31.6,32.2,32.1,31.2,30.8
1998,31.3,32.7,31.6,31.8,33.6,31.8,31.9,31.7,32.4,33.5,32.7,31.2
1999,30.4,30.9,31,32.9,32,31.4,31.4,31.7,32,32.5,32.2,31.4
2000,30.3,30.6,30.7,31.6,32.3,30.9,31.8,31.4,32,32.7,31.9,31.5
2001,30.4,30.4,31.4,31.7,32.2,32,32.6,31.6,32.4,33.1,32.5,31.6
2002,31.2,32,32.1,32.4,32.9,32.6,32.1,32.5,32.1,33.2,32.4,31.9
2003,31.1,31.3,32,31.8,32.9,32.4,31.4,32,32,32.7,32.1,31.3
2004,31.7,31.6,31.8,32.4,33,32.4,31.4,32.5,31.9,32.6,32.2,31.5
2005,31.1,32.4,31.9,31.9,32.3,32.3,31.4,31.8,32,32.2,32.1,31
2006,30.6,31,31.7,31.5,32.2,31.8,31.7,31.8,32,32.7,32.1,31
2007,30,31.2,30.8,31.2,32.4,31.8,31.3,31.6,32.2,31.8,31.8,30.7
2008,30.9,30.6,30,31.3,32.5,31.3,31.2,31.6,32.1,32.3,32.1,31
2009,30.7,30.8,30.6,31.9,33,32.3,31.5,31.8,32.3,32.6,31.4,30.9
