1901,30.5,31.1,30.9,31.2,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1902,30.7,30.6,31.2,31,30.8,28.6,27.4,28.1,29.5,30.1,29.9,29.9
1903,31.1,31.4,31.7,31.3,30.6,28,27.4,28.1,29.5,30.1,29.9,29.9
1904,30.7,30.8,30.9,30.9,30.4,28.4,27.4,27.4,29.5,30.1,29.9,29.9
1905,31.1,31.6,32,31.9,31.1,28.3,27.4,28.2,29.5,30.1,29.9,29.9
1906,30.6,31.1,31.9,32.2,30.6,28.5,27.4,27.9,29.5,30.1,29.9,29.9
1907,30.4,31.3,31.6,31.4,30.9,28.5,27.4,28.5,29.5,30.1,29.9,29.9
1908,30.4,30.8,31.4,31.4,30.8,27.6,27.4,26.9,29.5,30.1,29.9,29.9
1909,30.7,31.3,31.7,31.9,30.8,29.4,27.4,29,29.5,30.1,29.9,29.9
1910,30.1,30.5,30.7,30.5,30.2,29.2,27.4,27.8,29.5,30.1,29.9,29.9
1911,30.3,30.9,31.8,31.6,31,28.9,27.4,28.1,29.5,30.1,29.9,29.9
1912,30.8,31.9,32.4,32.2,31.4,29.5,27.4,28.4,29.5,30.1,29.9,29.9
1913,30.5,30.6,31.1,31.1,30.4,27.9,27.4,28,29.5,30.1,29.9,29.9
1914,31.3,31.4,32.1,31.8,30.9,28.3,27.4,28,29.5,30.1,29.9,29.9
1915,30.7,31.3,31.6,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1916,30.7,31.3,31.5,31.3,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1917,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1918,30.7,31.3,31.6,31.3,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1919,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1920,30.7,31.3,31.6,31.3,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1921,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1922,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1923,30.7,31.3,31.6,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1924,30.7,31.3,31.5,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1925,30.7,31.3,31.6,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1926,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1927,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1928,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1929,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1930,30.7,31.3,31.6,31.3,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1931,30.7,31.3,31.6,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1932,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1933,30.7,31.3,31.7,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1934,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1935,30.7,31.3,31.6,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1936,30.7,31.3,31.5,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1937,30.7,31.3,31.7,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1938,30.7,31.3,31.6,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1939,30.7,31.3,31.5,31.5,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1940,30.7,31.3,31.7,31.4,30.8,28.6,27.4,27.9,29.5,30.1,29.9,29.9
1941,31.8,32,32.7,32.4,31.8,29.6,27.1,27.9,29.9,31.3,29.9,30.5
1942,31.6,32.2,32.6,32.2,31,29.2,26.8,27.9,29.7,30.3,29.9,29.9
1943,30.9,31.2,31.9,31.6,30.2,27.2,26.2,27.9,29.7,30.6,29.9,30.4
1944,30.9,31.6,31.7,31.6,31.6,29.6,27.4,27.9,30.6,30.4,29.9,30.4
1945,31.5,32,32.4,31.4,31.4,29.3,27.7,27.9,30.3,30.3,29.9,29.7
1946,31.8,31.9,32.1,32.2,30.4,28.9,26.8,27.9,29.3,29.7,29.9,29.7
1947,31.2,31.6,32.1,31.7,31.9,30.4,28.3,29.2,30.2,30.9,29.9,30.2
1948,31.2,31.3,31.8,31.2,30.6,29.1,27.2,28.2,30.1,30.4,29.9,30.8
1949,31.4,31.9,32.3,32.1,32,29.9,28,28.2,30.3,30.5,29.9,29.9
1950,31.2,31.2,32.3,31.5,31.4,30.3,27.1,27.4,29.6,29.8,29.9,30.4
1951,31.1,31.1,31.8,32,31.4,29,27.7,28,29.9,30.2,30,30.9
1952,31,31.7,32.2,31.5,31.1,28.7,27,27,29.9,30.3,29.5,30.1
1953,30.5,30.8,31.9,31.7,30.2,28.9,27.6,27.5,29.6,30.4,29.6,30.3
1954,31.1,30.5,32.2,31.1,30.5,28.1,26.9,27.5,29.5,30,29.6,30.1
1955,30.3,31.2,32.1,31.3,31.4,28.7,27.2,27.2,29.5,30,29.6,29.4
1956,30.7,31.7,31.8,31.4,30.7,28.7,27.2,27.2,29.5,30,29.3,29.9
1957,30.7,31.9,31.8,31.8,31.9,28.9,27.2,27.7,29.5,30.3,29.7,30.3
1958,31.8,32.2,32.3,32,30.5,27.6,26.9,27.1,29.3,30.9,29.6,30.8
1959,31.2,31.9,32.1,31,31.1,27.9,27.4,28.1,29.4,30.6,29.9,31
1960,31.4,31.2,32,31.8,31.6,28.7,27.4,28.4,30.1,30.6,30.3,30.8
1961,30.6,31,32.1,31.9,31.5,28.1,27,27.7,29.8,30.6,29.3,30
1962,31.1,31.9,31.8,32,31.3,28.7,27.5,28,29.5,30.9,29.8,29.8
1963,30.3,31.2,32.1,32,31.9,30.1,28.3,28.5,30.3,30.2,30.5,30.4
1964,31.5,32.3,32.4,32.1,31.7,28.4,27.5,27.5,29.8,30.8,30,29.8
1965,30.6,31.4,31.6,31.5,31.5,28.8,27.6,28.2,29.8,30.7,30.5,30.1
1966,30.8,31.8,31.7,31.8,31.6,29.8,28.3,28.1,29.3,31,30,30.3
1967,31,31.4,32.1,31.6,31.1,28.7,26.8,27.8,29.5,30.3,30.3,30.4
1968,30.7,31.8,31.8,31.7,30.8,28.6,27.4,28,29.2,30.9,30.5,30.3
1969,30.8,32.1,32.5,32.3,31.7,28.6,27.6,28,30,30.6,30.2,30.6
1970,31.1,31.8,32.1,32.4,31.5,28.8,27.2,28.2,29.4,29.1,30.2,30.2
1971,30.3,31.2,31.9,31.4,30.8,29.4,27.7,27.9,29.9,30.5,29.7,29.4
1972,31,31.3,31.8,31.5,30.2,27.8,27.1,27,29.2,29.9,29.8,30
1973,30.1,31.4,31.5,31.2,30.4,28.6,28,27.5,29.3,29.8,30,29.4
1974,29.9,30.3,31,30.9,30,29,27.2,27.8,29.7,30.6,29.6,29
1975,30.7,30.7,30.8,31,30.5,28.3,27.2,27,29.5,29.6,29.1,29.2
1976,30,30.1,30.8,30.1,29.9,27.5,26.4,26.9,29,29.1,29.1,29.1
1977,29.6,30.6,30.9,31,30.5,27.6,26.9,27.8,29.2,30.1,29.9,29.5
1978,30.6,31,31.5,30.4,29.9,27.6,27,28.3,28.7,29.4,30,29.9
1979,30.9,31.4,31.4,31,31,28.1,27.6,27.1,29.1,30.1,30.3,30.2
1980,30.8,31.1,31.7,31.5,31.1,28.1,27.4,27.1,29.8,29.9,30.4,29.3
1981,30.6,31.9,31.4,31.5,30.9,28.8,26.9,27.7,29.4,29.9,29.5,29.8
1982,30.4,31.5,31.4,31.2,30,27.8,26.5,27.1,28.9,29.7,29.8,30.2
1983,31.1,32.2,33.5,31.7,31.3,27.6,27.1,27.3,29.6,29,30.5,29.8
1984,30.6,31,31.1,31.2,30.5,29.4,28.1,29.1,30.7,30.9,29.6,30.2
1985,30.1,31.1,31.3,30.8,30.2,28.3,27.6,28.2,29.4,30,29.8,29.6
1986,30.6,30.6,30.7,31.3,30.3,28.4,27,27.6,29.7,29.7,29.7,29.7
1987,31.4,31.2,31.6,31.7,31.2,29.3,28,28.2,29.3,29.8,30.4,30.7
1988,30.8,31.4,32.1,31.5,31.2,29,27.7,28.7,29.5,30,30.1,29.5
1989,31.5,31.7,31.2,31.1,30.6,28.8,27.7,28.5,30.1,30.6,30.3,30.2
1990,30.7,31.5,32.5,30.9,30.8,29.4,27.3,27.5,29,30.8,30.1,29.8
1991,30.7,31.7,32.1,31.7,31.1,29.1,28.1,28,29.8,29.4,30.3,30.1
1992,30.2,31.4,32.2,32.2,31,28.2,26.8,27.7,28.9,29.9,29.9,29.9
1993,30.5,30.6,31.3,31.3,31,28.6,27.7,28,29.8,30.2,30.3,30.1
1994,30.4,31.2,31.4,31.5,30.7,28.5,27.2,27.9,29.7,29.9,30.4,29.7
1995,31.7,30.5,31.2,31.9,31.1,29.2,28.5,28.5,29.8,31,31,29.9
1996,31.4,31.9,31.8,31.6,29.9,28.8,27.8,28.5,29.7,30.5,30,30.1
1997,30.8,31.9,31.3,30.8,30.7,28.6,27.7,28.8,30.6,30.8,31,30.5
1998,31.5,33,32.7,32.5,30.8,30.2,28.8,28.6,30.8,30.4,30.8,30.5
1999,30.8,31.3,31.9,31.6,31,29.5,28.2,28.3,28.9,30,30.6,30.2
2000,30.9,31.3,32.4,31.5,31.3,28.9,28.2,28,29.6,29.9,29.7,30.1
2001,30.8,32.2,32,30.9,31.2,29.4,28.2,27.4,28.9,30.2,30.6,30.9
2002,31,31.5,31.9,31.8,32.2,29.3,28.4,28.6,29.6,30.6,30.5,30.6
2003,31,31.8,31.9,32,31.5,28.5,28.2,28.4,30.1,30.4,30.7,30.4
2004,31.2,31.6,31.7,31.9,30.7,28.4,27.5,27.9,29.5,30.2,30.7,30.2
2005,31.2,32.2,32.5,32.6,30.9,28.3,27.5,28.2,30,30.4,30.4,30.3
2006,31.7,31.6,31.2,32.2,31.1,30.2,28.2,28.5,29.6,30.6,30.1,29.8
2007,31.7,31.7,31.7,31.2,30.9,29.1,27.5,28.6,30.3,30.2,30.3,30.1
2008,30.3,31.2,31.8,31.2,31.3,28.8,27.6,28.1,29.7,30.6,30.2,30.4
2009,30.9,31.5,31.9,32.3,31.8,29.3,27.6,28,29.8,30.5,30.2,30.8
