1901,30.3,31.5,31.3,30.9,29.9,28.4,27.4,27.1,28,28.9,29.8,30.3
1902,30.6,31.2,31.1,31,30,28.7,27.6,27,27.6,28.8,29.6,29.9
1903,31,31.5,31.5,31.2,30.1,28.3,27.3,26.9,27.9,29,29.7,29.8
1904,30.8,31.3,31.1,30.7,29.8,28.1,27.2,26.7,27.6,28.7,29.4,29.8
1905,30.8,30.7,31.4,31.1,30.1,28.1,27.3,26.9,27.7,29,29.9,30.4
1906,31.3,31.5,31.8,31.9,30.2,28.6,27.4,26.9,27.7,28.7,29.6,29.5
1907,30.7,31,31.6,31,30.1,28.5,27.5,27.1,27.7,29,29.9,29.8
1908,30.6,30.9,31.2,31.1,29.9,28.6,27.5,26.7,27.5,28.7,29.6,30.3
1909,31.2,31.7,32.2,30.9,29.9,28.1,27.3,26.7,27.8,28.8,30,30.1
1910,31,31.7,31.6,31.4,30.3,29.1,27.4,26.9,27.8,28.8,29.7,30.2
1911,31.1,31.5,31.6,31.2,29.8,27.8,27.2,26.6,27.6,28.7,29.6,29.6
1912,30.5,31.1,31.4,31.3,30.4,28.6,27.5,27.1,27.7,28.8,29.4,30.1
1913,30.6,30.8,30.7,31,30.1,29.3,27.7,27.3,27.7,28.7,29.6,29.6
1914,31.3,31.3,31.1,30.9,30.3,28.6,27.5,26.8,27.5,28.9,29.6,29.9
1915,30.9,31.6,31.7,31.4,29.9,28.6,27.4,27.1,27.8,28.8,29.7,29.7
1916,31.5,32,31.7,30.9,30,28.5,27.1,27,27.7,28.7,29.7,30
1917,30.9,31,31.4,31.1,30,28.6,27.6,27,27.8,29,29.5,30
1918,31.2,31,31.4,30.7,29.6,28.1,27,26.8,28.2,28.8,29.7,29.5
1919,30.9,31.4,31.1,30.4,29.3,28.2,27.1,26.8,27.5,28.8,29.5,30
1920,31.1,31.5,31.4,30.7,29.8,28.2,27.2,26.8,27.5,28.6,29.5,29.8
1921,30.2,31.4,31.4,30.8,29.3,27.8,27.4,27,27.8,29,29.5,30.1
1922,31.1,31.4,31.3,30.6,29.7,28.3,27.3,26.8,27.6,28.8,29.7,29.8
1923,31.4,30.7,30.7,30.5,29.7,28.4,28,26.8,27.6,28.5,29.5,30.6
1924,31,31.6,31.8,30.2,29.5,28.1,27,27.1,28.7,28.4,29.4,28.9
1925,29.6,30.5,31,31.8,30.9,28.9,27.5,26.5,26.8,28.1,27.6,28.4
1926,30.3,32.6,32.5,31.8,29.7,27.3,26.6,27.6,28.3,29.8,29.6,29.9
1927,31,31.8,30.2,30.8,29.7,27.9,26.9,26.7,28.1,28.1,29.4,29.6
1928,31.1,30.5,30.9,30.1,28.6,28.4,27.5,26.4,27,27.4,28.7,29.6
1929,30.5,31.2,31.2,31,29.4,27.2,26.7,26.6,27.5,28.4,29.2,28.8
1930,30.4,31.6,30.6,30.6,29.4,27.4,26.9,26.2,27.5,28.1,28.8,30.2
1931,30.2,31.1,31.4,30.9,29.5,28.5,27.2,26.7,27.1,28.6,29.3,30.1
1932,30.5,31.6,31.2,31.1,29.8,28.4,26.7,27.4,27.6,29,29.7,29.1
1933,30.8,31.1,30,30.6,30.1,28,27.9,27.4,27.6,28.1,29.8,30.3
1934,30.4,30.6,30.9,31,29.5,27.8,27.4,27.8,28.7,29.1,29.7,29.8
1935,31.1,31.7,31,31,29.6,27.9,27.1,26.6,27.8,28.3,29.2,29.9
1936,30.8,31.9,31.4,30.7,29.3,27.9,26.9,26.8,27.6,28.9,29.9,29.9
1937,31.5,32.1,31.6,31.3,29.9,28.5,27.3,26.9,27.7,28.7,29.6,30.3
1938,30.8,31.9,31.3,31.1,29.8,28.3,27.2,26.5,27.5,29,29.6,30.2
1939,31,31.2,31.1,31,29.8,28.5,27.9,27.3,27.6,28.4,29.4,29.6
1940,30.4,30.6,31.3,31.3,30.3,28.7,27.5,27.1,27.9,28.7,29.4,29.7
1941,31.7,31.5,31.8,31.3,30.5,28.4,27.4,27.3,28.2,29.5,29.9,29.8
1942,30.1,31,31.7,31.4,30.2,28.2,27.2,26.1,28.2,29,29.9,29.4
1943,30.2,31,31.5,31.2,30.1,28.2,27.1,26.1,27.9,29,29.6,29.4
1944,30.2,30.9,30.7,31.5,30.7,28.4,27.9,27.4,27.7,28.9,30.3,30.4
1945,31.3,31,31.7,31.3,30.4,29,27.1,27.1,27.5,28.6,29.8,30.2
1946,30.8,31.2,31.7,31.2,30.1,27.9,27.1,26.5,26.9,28.2,30.4,30.6
1947,31.3,30.3,31.5,30.6,30.5,27.7,27.7,26.8,27.4,28.7,29.2,29.7
1948,30.7,30.4,31.8,30.4,30.1,28,27.2,26.8,27.2,28.9,29.3,30
1949,30.8,30.8,31,31,30.2,28.2,28,27.2,28,28.8,29.5,30
1950,30.6,31.4,31.5,30.9,30.1,28.1,27.5,26.9,27,28,29.7,29.8
1951,30.9,30.1,31,31.3,29.8,28.2,28.1,27.2,27.9,28.2,29.5,30.7
1952,31.8,31.7,31.3,31.4,29.9,28.4,27.2,26.5,27.3,28.7,29.6,30.3
1953,31.4,31,30.9,31.5,30,28,27.5,26.6,27.8,28.9,29.9,30.6
1954,31.1,31,30.9,30.8,29.9,27.8,26.6,26.3,27.7,28.6,29.7,30.2
1955,31,31.3,30.9,30.7,30,28.3,27.4,26.7,27.5,28.8,29.7,29.4
1956,30.8,30.8,30.9,30.8,29.8,28.3,26.5,26.6,27.8,28.6,29.5,29.7
1957,29.9,31.2,31.3,31.1,30.1,28.5,27.4,27.2,27.8,28.5,29.6,30.4
1958,31.7,31.4,31.8,30.8,30.1,27.8,26.7,26.6,27.5,29.1,29.3,29.7
1959,31,31.3,31.6,31.4,30.3,29,27.5,27.1,27.1,28.7,29.6,29.6
1960,31.1,31.8,31,30.3,30.4,28.2,27.8,27.4,27.9,28.8,29.6,29.8
1961,31,31.5,31.8,31,30.3,28.8,27.3,26.7,27.6,29,29.8,30.2
1962,31.2,31.3,30.8,31.5,29.9,28,27.9,26.9,27.8,28.9,29.2,29.7
1963,30.7,31.1,31.6,31.2,29.7,28.7,27.9,28,29,28.9,30,30.2
1964,30.7,31.7,31.6,31.1,29.8,28.4,27.7,27.1,27.6,28.2,29.4,29.5
1965,29.6,30.4,31.7,30.7,30.3,28.4,27.2,26.6,27.6,28.9,29.7,29.7
1966,30.7,31.3,31.7,30.9,30.5,28.3,28.2,27.2,27.8,28.9,29.9,30.3
1967,30.7,30.8,31.3,31.2,30.2,28.1,26.9,26.5,27.3,28.2,29.7,29.4
1968,30.2,30.4,30.6,30.7,30,28.2,28,27.6,28.4,29,29.3,29.9
1969,31.1,32.1,31.8,31.6,29.6,28.5,27.1,26.7,27.7,28.7,29.3,29.9
1970,31,31.8,31.4,31.5,30.3,28.7,27.2,27.1,27.4,28.9,29.8,29.7
1971,30.4,29.9,30.7,30.4,29.4,27.7,26.7,26.5,26.9,28,28.6,28.6
1972,29.7,30.5,30.1,30.1,29.4,27.8,27.4,26.4,27.3,28.3,29.3,29.6
1973,30.2,31.4,31.4,31,30.1,28.2,27.7,27.1,27.8,28.3,29.6,29.1
1974,30.1,30.5,30.5,30.5,29.8,28.1,27.4,27.2,27.1,28.1,28.9,28.9
1975,30.4,30.4,30.7,30.5,29.2,28.1,27.3,26.6,27.3,28.2,28.8,29.3
1976,30.1,30,30.6,30,29,27.3,26.4,26.2,27.3,27.4,28.3,28.8
1977,30,30.5,30.9,31.1,29.7,27.6,26.7,26.6,27.5,28.4,29.4,29.1
1978,30.6,30.7,30.5,29.9,29.3,27.6,26.9,26.6,27.2,28.2,29,29.3
1979,30.5,30.6,31.2,31,29.2,28,27.3,27.1,27.6,28.6,29.5,29.3
1980,30.5,30.4,30.8,30.6,29.5,28,26.8,26.9,27.5,28.5,29.7,29.2
1981,29.9,30.8,31.1,31.1,29.3,28.6,27.1,26.9,28.6,29.1,29.9,29.8
1982,30.5,30.8,29.1,30.8,29.4,27.9,26.3,26.3,27.2,28.8,29,29.1
1983,30.2,31.6,32.1,31.9,30.1,28.1,27.8,27,27.8,29,29.6,29.5
1984,30.6,30.7,31,30.8,29.8,28.5,27.1,27.5,28,28.7,29.7,30.2
1985,30.7,31.4,31.1,30.9,29.7,28,27.2,27.2,27.6,29.3,30.2,30.1
1986,30.3,31.2,30.8,31,30.2,28.3,26.4,27,27.8,28.2,28.7,28.9
1987,30.8,30.9,31.4,31.9,30.6,28.6,28.3,27.9,28.2,29.2,30.2,30.1
1988,30.6,31.9,32.2,31.5,30.9,28.7,28.4,27.1,27.7,29.5,29.8,28.7
1989,30.5,31,31.3,31.5,30.6,28.8,27.6,27.5,27.7,28.7,30.3,29.8
1990,30.2,31,31.6,31,30.1,28.4,26.6,27.3,27.8,29.1,29.9,29.9
1991,30.7,30.8,30.7,30.6,30.2,29,27.5,26.7,27.6,28,28.7,29.3
1992,30.2,31.2,31.3,30.8,29.7,28,26.8,27.3,27.6,28.5,28.8,30.2
1993,30.1,31.1,30.5,30.8,29.1,28.6,27,27,28,29,29.1,29.4
1994,30.4,31.1,31.4,30.9,29.9,28.6,26.8,26.8,27.7,28.2,29.2,29.3
1995,30.5,31.3,31.5,31.3,30.5,28.6,27.7,27.6,28,28.9,29.7,29.6
1996,30.4,30.9,31.3,31.2,30.2,28.7,27.8,27.3,27.7,28.7,29.7,29.3
1997,31.2,30.7,31.1,30.6,29.9,28,27.4,27.2,28.5,29.3,29.7,29.6
1998,30.9,32.3,32.6,32.1,31,29.1,27.9,27.1,27.9,29,30.1,29.6
1999,30.5,30.6,31.4,31,30.3,28.6,27.9,27.2,27.8,28.4,29.3,29.3
2000,31,30.7,31.4,31,30.2,28.7,27.2,27.3,27.7,28.5,29.8,29.6
2001,29.6,30.6,31.3,31.1,29.9,28.5,27.2,27,27.6,29.4,29.6,29
2002,30.7,31.1,31.7,31.1,30.4,28.6,27.3,27.2,27.9,28.6,28.8,30
2003,30.7,31.6,30.7,31.2,30.6,28.4,27.8,27.7,27.5,29.5,29.3,29.6
2004,31,31.4,31.8,30.8,30,28.1,27.3,27,27.9,29.2,29.7,30.2
2005,30.5,32.2,32.1,31.4,30.4,28.5,27.6,27.2,28.4,29.3,30.2,30.4
2006,30.3,31.5,31.1,31.6,29.9,29.5,27.8,27.6,28,29.2,29.6,29.6
2007,30.6,32,31.8,31,30.6,28.4,27.9,27,28.2,29,29.8,30.5
2008,29.8,31.6,31.6,31.5,29.8,28.4,27.3,27.2,27.8,28.7,29.7,29.8
2009,29.7,31.7,31.2,31.5,30.2,28.5,27.6,27.2,27.6,28.5,29.6,30.3
