1901,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1902,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1903,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1904,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1905,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1906,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1907,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1908,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1909,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1910,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1911,30.5,31.1,31.6,32.1,32.1,31.7,31.8,31.8,32.1,32.5,32.3,31.5
1912,30.9,31.2,31.9,32.1,32.1,31.6,31.6,31.9,32.1,32.5,32.1,31.5
1913,30.6,31.1,31.8,31.9,32.1,31.5,31.6,31.9,32.1,32.6,32.2,31.6
1914,30.6,31.2,31.6,32.1,32.4,31.5,31.6,32.1,32.3,32.6,32.4,31.7
1915,30.7,31.1,31.6,32.1,32.2,31.8,31.5,32.1,32.1,32.5,32.3,31.5
1916,30.6,31.1,31.6,32.1,32.1,31.6,31.3,31.8,32.1,32.6,32.2,31.5
1917,30.4,30.7,31.4,32,31.8,31.5,31.5,31.7,32,32.5,32.2,31.4
1918,30,30.3,31.5,31.8,31.9,31.3,31.6,31.9,32.1,32.4,32.2,31.2
1919,30.8,31.2,31.8,32.2,32.3,31.8,31.5,32,32.1,32.5,32.2,31.4
1920,30.6,31,31.7,32.1,32.2,31.8,31.6,31.8,32.1,32.5,32.4,31.2
1921,30.6,30.9,31.6,32.1,31.9,31.5,31.5,31.9,32.2,32.4,32.1,31.5
1922,30.8,31,31.4,31.8,31.9,31.5,31.5,31.7,32.1,32.4,32.4,31.7
1923,30.6,31,31.5,32.2,32.1,31.7,31.4,31.7,31.8,32.4,32.2,31.4
1924,30.8,31,31.4,32.1,32,31.5,31.6,32,31.9,32.3,31.9,31.3
1925,30.5,30.6,31.3,32,32.1,31.7,31.6,31.9,32.1,32.4,32.1,31.3
1926,30.5,31,31.6,32.3,32.2,31.7,31.6,31.9,32,32.4,32.1,31.5
1927,30.6,30.9,31.6,32,32,31.6,31.6,31.9,32.1,32.3,32.1,31.5
1928,30.6,30.9,31.5,32,32.1,31.6,31.6,31.8,32.1,32.4,32,31.5
1929,30.5,30.7,31.2,32.1,32.1,31.4,31.6,31.9,32,32.3,31.9,31.4
1930,30.6,31,31.4,32.1,32,31.5,31.8,32.2,32.1,32.4,32.1,31.5
1931,30.7,31.3,31.7,32.1,32.2,31.7,31.6,32.2,32.1,32.4,32.1,31.3
1932,30.4,31,31.4,31.9,31.9,31.3,31.5,31.8,32,32.5,31.9,31.4
1933,30.5,30.9,31.4,32,32.1,31.7,31.5,31.9,31.9,32.3,31.8,31.2
1934,30.1,30.5,31.1,31.8,32.1,31.4,31.5,31.9,32.1,32.3,32,31.5
1935,30.6,31,31.6,32,31.9,31.4,31.7,31.8,32.2,32.5,32.1,31.4
1936,30.7,31.2,31.5,32.1,32.1,31.5,31.6,31.8,32,32.2,32,31.5
1937,30.7,31,31.7,32.1,31.9,31.7,31.6,32,32,32.3,32.1,31.4
1938,30.6,31.2,31.4,32,31.9,31.7,31.5,31.7,32,32.4,32.1,31.5
1939,30.6,30.9,31.5,32,32.1,31.5,31.6,31.8,31.8,32.3,32.1,31.4
1940,30.7,31,31.7,32.1,32.1,31.8,31.8,31.8,32,32.6,32.2,31.5
1941,30.8,31.2,31.8,32.3,32.3,32.1,31.9,32,32.2,32.9,32.2,31.6
1942,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1943,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1944,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1945,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1946,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1947,30.4,30.8,31.4,31.9,32,31.5,31.4,31.7,31.9,32.3,31.9,31.2
1948,30.5,30.9,31.6,32.2,32.2,31.8,31.6,32,32.1,32.5,32.1,31.6
1949,30.8,31.1,31.8,32.1,32,31.6,31.6,31.9,32.1,32.4,32.1,31.5
1950,30.9,31.1,31.5,31.9,32,31.6,31.6,31.7,32,32.3,32.1,31.4
1951,30.3,30.6,31.5,32.1,32.1,31.8,31.4,32,32,32.3,32.1,31.4
1952,30.5,30.8,31.3,32.2,32.3,31.9,31.7,31.9,32,32.5,31.9,31.3
1953,30.5,30.7,31.3,31.9,31.9,31.7,31.3,32,32,32.4,32,31.5
1954,30.6,31.1,31.4,31.9,31.9,31.4,31.3,31.8,31.9,32.1,31.8,31
1955,30.4,30.8,31.4,32,32.1,31.4,31.2,31.4,31.6,32.1,31.9,31
1956,30.2,30.6,31.3,32,31.6,31.2,31,31.4,31.6,32.1,31.6,30.9
1957,30.4,30.7,31.1,31.9,31.8,31.5,31.3,31.6,31.8,32.3,31.9,31.1
1958,30.7,30.9,31.5,32.2,32,31.6,31.6,31.6,32,32.3,31.9,31.2
1959,29.8,30.6,30.6,31.7,31.2,30.8,31.5,31.6,31.8,32.3,31,31.2
1960,29.8,30,31.3,31.2,31.3,31.1,30.3,31.7,31.3,32.3,31,30.6
1961,30,29.8,30.8,30.6,31,31.3,31.6,31.8,33,33.9,32.1,31
1962,29.5,29,30.8,30.8,31.9,31,30.2,30.6,31.5,31.3,31.2,30.6
1963,28.5,28.7,30.5,31.4,31.3,31.3,31.9,32.6,32.7,32.4,32.1,31.5
1964,31.2,31.4,31,31,31.5,30.9,30.3,30.9,30.9,31,30.7,30.4
1965,29.1,30.3,30.6,31.5,31.7,30.9,31,31.9,32.6,33.1,31.7,30.7
1966,30.4,30,30.8,31.6,31.4,31.2,31.2,31.4,31,30.8,30.9,30.2
1967,29.6,29.6,30.6,31.3,32.2,31.9,31,31.7,32,32.7,30.8,29.8
1968,29.7,29.5,30.2,31,31,30.1,29.1,29.2,30.7,31.2,31.9,30.2
1969,31.2,30.6,31.2,31.3,32,30.9,31.5,31.2,30.8,32.6,32,30.4
1970,30.3,30.6,31.7,31.1,30.5,30.7,30.7,31.3,30.8,32.1,30.6,30.5
1971,29.4,29.6,30.7,31.5,32,30.4,31.2,31.4,31.6,31.4,30.2,30.5
1972,29,30.6,30.4,31.5,31.2,31.8,32,31.2,32.8,34.3,33.2,32.2
1973,31.3,31.3,31.4,31.9,31.8,31.2,31.7,31.7,31.8,33.2,32.1,31.3
1974,30.2,30.6,32.4,32.3,32.3,31.9,31.3,31,31.5,31.5,31.2,31.5
1975,31.2,30.5,31.4,32,31.8,31.7,30.8,32,31.2,31.1,31.8,31.6
1976,29.7,31.5,31.5,32.1,33,32.2,32.4,31.9,33.7,32,31.4,31.9
1977,30.9,30.6,31,32.4,32.4,31.2,32.5,32.4,32.4,33,33,31.7
1978,30.8,31.6,31.9,32.6,31.5,30.1,30.2,31,30.9,32.1,32.2,31.4
1979,31,31.5,31.9,32,32.1,31.7,32.3,31.9,31.7,32.9,32.5,31.3
1980,30.7,31.1,32.2,31.6,33.6,32.1,31.9,31.3,32.8,32.9,32.8,31.4
1981,30.4,30.9,31.5,32.3,32.5,31.7,31,32.6,32,33.2,31.5,31.4
1982,31.3,30.9,30.3,32,32.1,32.2,33.5,33.7,33.2,34.1,33.9,33.7
1983,32,32.9,32.4,33.5,32.9,32.5,32.3,33.3,33.1,33.1,31.9,31.7
1984,30.8,30.7,31.6,32.1,32.4,31.9,31.1,31.5,30.8,32.2,32.2,31
1985,31.2,31.8,32.1,32,32.4,31.8,31.2,32,31.7,31.4,32,31.9
1986,30.8,31.6,30.9,32.1,32.8,31.1,31,31.4,30.9,31.1,31.8,30.8
1987,30.7,31.8,32.7,33.1,32.8,32.5,32.3,32.8,33.2,33.2,32.5,30.9
1988,30.5,31.6,31.8,32.1,31.7,31.3,30.7,31.3,31.8,31.7,31,30.7
1989,30.6,30,31.8,32.1,32.6,31,31.4,31.9,32,31.7,32.1,30.8
1990,30.4,31,31.8,32.6,32.6,32,31.4,32.3,32.3,32.7,32.2,31.3
1991,30.9,31.3,32,32.3,32.6,32.4,32.3,32.4,32.1,32.6,31.5,30.9
1992,30.4,30.9,31.5,32.4,32.3,32,32,32,31.5,31.4,31.4,30.6
1993,30.2,30.6,31.1,32.1,31.9,31.5,31.9,31.9,31.7,31.7,31.6,31.2
1994,30.4,31,31,31.9,31.7,31,31.9,31.9,32.1,32.4,32,31.6
1995,30.6,30.6,31.4,32.1,32.2,31.6,31.8,32.1,31.9,32.2,31.8,30.9
1996,30.3,30.5,31.6,32.6,32.6,31.8,32.4,32,32.4,32.5,32.3,31.4
1997,30.7,30.7,31.7,32.2,32.5,32.5,32.2,32.1,31.9,32.1,32.1,32
1998,31.6,32,31.7,32.3,33.5,31.9,32,32,32.6,32.9,32.2,31.6
1999,31,31,31.7,32.7,32.4,32.1,32.2,32.8,32.3,32.3,32.3,31.2
2000,30.5,31.3,31.6,32.2,32.2,31.3,32.5,32.1,32.3,31.9,31.4,31.6
2001,30.6,30.4,31.1,32,33,32.1,32.5,32.8,32,32.3,31.9,31.4
2002,30.5,30.7,32.2,32.7,33.3,32.2,32.4,32.5,32.1,32.8,32,31.8
2003,31.5,31.2,32,32.6,33.5,32.8,32.2,32.3,32.1,31.9,31.7,31.1
2004,31,31.1,31.9,32.8,32.8,33.3,31.8,32.6,31.7,32.7,32.3,31.4
2005,31.2,31.8,31.6,31.7,31.9,31.8,31.7,32,31.4,32.4,32.1,31.3
2006,31.3,31,32.4,32,32.3,31.8,32,32.2,32.3,32.8,32.2,31.5
2007,30.5,31,31.5,31.8,32.3,31.9,31.8,32,32.3,32.2,32.1,31.2
2008,30.7,30.9,31.2,32.2,32.4,31.7,31.7,32.1,32.4,32.3,31.3,31.5
2009,30.6,31.1,31.4,32.1,32.5,32,31.7,32,32.2,32,31.8,30.8
