1901,30.9,30.1,30,28.1,27.2,26.7,25.7,26.2,26.9,29,30.6,30.7
1902,30.8,30.7,30.6,28.7,27.4,27,26.1,26.1,26.8,28.8,30.4,30.9
1903,30.4,29.7,30.2,29.1,28.4,27,25.9,26,26.7,29,30.5,30.9
1904,30.5,30.5,29.9,28.7,27.6,26.3,25,25.1,26.5,28.6,30.2,30.2
1905,30.6,29.7,29.3,27.9,27.7,26.6,25.6,26.2,26.9,28.9,30.8,30.4
1906,31,29.8,30.4,28.1,26.8,25.8,25.4,25.9,26.7,29,30.6,30.5
1907,30.7,29.8,30.7,29,28.4,27.3,25.1,26.1,27,29.3,30.6,30.6
1908,31.1,31.3,30.6,28.9,28.3,27.2,26.2,26.6,27.3,29.3,30.4,30.8
1909,30.7,30.1,31.1,28.8,28.3,27.3,26,26.2,26.9,29.2,30.7,30.6
1910,30.3,30.4,30.2,28.2,27.1,26.2,25.5,26.3,27.1,29.3,30.6,30.4
1911,30,29.9,29.4,28.3,27.9,27.3,25.9,26.1,27,29.1,30.7,30.6
1912,30.6,29.6,29.7,28.3,27.3,25.8,25.3,25.9,26.6,28.7,30.7,30.7
1913,30.9,29.7,30,28.2,27.3,26.1,25.3,26,27,29,30.7,29.9
1914,29.8,29.2,29.6,28.1,27.1,26,24.9,25.4,26.7,28.9,30.5,30.5
1915,30.6,30.4,29.9,29.1,28.4,27,26,26.4,26.9,29.1,30.7,30.3
1916,30.5,30.4,29.5,28.2,27.2,25.7,24.8,25.5,26.5,28.7,30.2,30
1917,29.8,29.2,29.4,27.8,26.8,25,24.6,25.4,26.6,29.1,30.5,30.3
1918,30.2,29.3,29.9,28,27.5,26,25.2,25.3,26.6,29.1,30.7,30.3
1919,30.4,30.2,30.5,27.9,28.3,26.7,25.3,25.8,26.7,28.9,30.5,30.7
1920,30.7,30.3,29.9,28.1,27.4,25.7,25.1,25.8,26.7,29.1,30.7,30.6
1921,30.6,29.7,29.9,28.1,27,25.5,24.4,25.4,26.6,28.9,30.5,30.5
1922,30.8,30.1,30.3,28,27.3,25.8,24.7,25.4,26.7,29,30.2,30.2
1923,30.8,29.5,30,27.6,27.4,26.1,24.9,25.8,26.9,29.2,30.9,30.9
1924,31.1,29.8,29.9,28.1,27.3,25.6,24.7,25.3,26.7,28.5,30.4,30.2
1925,29.9,29.2,29.6,27.8,27.4,26.3,25.5,26.1,26.8,28.9,30.5,30.4
1926,30.6,30.1,30.1,28.4,27.5,26.2,25.3,26,27,29.1,30.9,30.8
1927,30.7,29.9,30.1,28.2,27.7,26,25,26.1,27.2,29.3,30.9,30.6
1928,30.8,30.4,30.3,28.3,27.6,26.6,25.5,26,27,29,30.6,30.4
1929,31,30,30.4,27.8,27,26,25,26,27.3,28.9,30.4,30.2
1930,30.6,30,30.2,28.1,27.8,26.5,25.6,26.3,27.1,29.1,30.9,30.7
1931,30.7,30.4,30.7,28.8,28,26.9,26.1,26.1,26.9,29,30.6,30.6
1932,30.6,30.2,30,28.8,28.1,26.8,25.6,26.2,26.9,28.9,30.7,30.5
1933,30.7,29.9,29.9,28.1,27,26,25.3,25.9,27,29.3,30.4,30.4
1934,30.5,29.7,29.4,28,26.8,25.2,24.4,25.4,26.9,28.9,30.5,30.6
1935,30.8,29.4,29.9,28,26.9,25.7,25,25.7,26.6,29.1,30.8,30.7
1936,30.6,29.6,29.9,28.5,27.5,25.7,24.4,25.7,26.6,28.9,30.6,30.4
1937,31,30.3,30.4,28.2,27.1,25.9,25.1,25.9,26.9,29.2,31.1,30.9
1938,30.8,30.9,29.9,28.1,27.3,25.8,25,25.8,27,29.1,30.3,30.7
1939,30.7,29.6,29.7,28,27.5,26.1,25.2,25.9,26.8,28.6,30.6,30.7
1940,30.6,30.2,29.6,28.1,27.4,25.5,24.9,25.7,26.7,29,30.5,30.9
1941,31.3,30.9,30.2,28.8,27.9,26.3,25.6,26.3,27.6,29.5,30.9,30.8
1942,31.2,30,30.5,28.9,27.8,26.3,24.9,25.2,27.4,29.4,31.4,30.5
1943,30.9,30,30.5,28.1,27.6,25.9,24.8,25.5,26.8,29.7,30.7,30.6
1944,30.4,30.2,30.8,28.2,27.3,26,25,25.2,26.4,29.1,31.2,31
1945,31.4,29.8,31,28.9,27.6,25.4,24.8,26,27,29.1,31.2,30.8
1946,30.6,30.5,30.5,28.2,27.9,26.2,25.9,26.3,27.2,29.3,30.8,30.6
1947,30.7,30.1,30.2,27.9,27.4,26,25.5,26.4,27.1,29.6,30.9,30.4
1948,31,30.3,30.4,28.8,27.5,26.2,25.5,25.9,26.9,28.8,30.9,30.9
1949,31.1,30.4,31.1,28.5,27.4,26.1,25.2,25.5,27,29.5,31,31.1
1950,31.1,30.7,30,27.4,26.9,25.6,24.6,25.1,27,29,30.9,30.2
1951,30.6,30.3,31,28.4,27.4,25.4,24.4,25.5,26.7,29,30.7,30
1952,30.9,30.6,30,28.3,27.2,25.8,25.1,25.6,27.3,29.1,30.8,30.6
1953,30.6,30.2,30.5,28.1,27.2,25.5,24.8,25.6,27.2,29.4,30.9,30.5
1954,30.7,30.1,30.4,28.3,27.1,25.7,24.8,25.6,27,29.1,30.6,30.7
1955,30.7,29.4,29.5,28,27.2,25.7,25,25.6,27,29.2,30.8,30.6
1956,30.7,30,30.3,28.1,27.9,25.9,25,25,26.6,29,30.6,30.4
1957,30.1,30.2,29.5,27.8,27.1,25.4,25,26,26.8,28.7,30.9,31
1958,31.1,30.5,30.9,29.1,27.8,26.2,25.2,25.9,26.8,29.3,30.8,30.4
1959,30.7,30.1,30.8,28.7,27.6,26.2,25.3,26.1,27,29.5,30.9,30.9
1960,31.2,30.6,29.5,28.1,28,26.7,25.3,26.3,27,29.4,31.1,31.2
1961,30.8,30,29.9,27.8,27.2,25.9,24.6,25.4,26.8,28.8,30.7,31.2
1962,30.7,30.2,30.2,28.1,27.1,25.6,24.9,25.7,26.6,29.2,29.9,30.6
1963,30.8,30.1,29.7,28,27.2,25.5,24.8,25.5,26.9,29.1,31.1,30.3
1964,30.7,29.6,29.7,28.3,27.6,25.8,25.5,26.4,26.8,29,30.2,30.2
1965,30.1,29.5,30,28,27.5,25.8,25.4,25.6,26.7,29.2,30.9,30.5
1966,30.8,29.6,29.9,28.4,27.5,26.1,25.5,26,26.6,28.9,30.9,31
1967,31.3,30.2,29.8,27.4,27.1,26.3,24.9,25.8,26.9,29.1,30.5,29.6
1968,29.9,30.5,29.7,27.6,27,25.6,25.2,25.7,26.8,29.4,30.7,30.9
1969,31.1,30.3,30.6,28.7,28,26.5,25.5,26.1,27.5,29.5,31,30.2
1970,30.8,29.9,29.7,28.2,27.3,26,24.9,25.7,27.1,29.3,30.7,30.7
1971,30.5,29.9,30.4,28.4,26.9,26.1,25.3,25.7,26.9,28.9,30.3,30.2
1972,30.4,29.6,29.8,28.2,27.1,25.9,25.4,26,27.5,29.6,31,30.8
1973,31.4,31,31.1,28.7,28.1,26.4,26.4,27.1,27.2,29.4,31.3,30.9
1974,30.4,29.5,29.7,28,27.1,25.7,24.8,25.9,26.7,29.5,30.1,31.3
1975,30.7,30.5,30,28.5,27,25.5,24.8,25.7,26.6,29.2,30.8,30
1976,30.3,29.2,29.2,27.4,26.6,25.9,24.9,25.5,27,28.8,30.5,30.8
1977,30.4,29.4,30.4,28.2,27.3,26.1,25.2,26.1,27.7,29.1,30.9,30.7
1978,30.5,29.6,29.4,28.2,28.2,25.9,25.5,25.9,27.2,29.2,30.4,30.3
1979,30.8,29.8,30.1,28.5,27.7,25.8,25,26.1,27.3,29.3,30.9,30.9
1980,31.1,29.6,29.4,28.2,27.9,26.3,25.1,25.9,27.2,29.3,31.1,30.9
1981,30.8,29.8,30.4,28,27.2,25.7,24.5,25.7,26.7,29.3,30.9,30.7
1982,30.4,29.6,29.8,28.1,27.3,25.9,25.3,26.1,26.9,29,30.7,30.5
1983,30.9,30.1,30.6,28.8,28.2,26.3,25.4,26.4,27.6,29.2,30.6,30.9
1984,31,30.9,30.9,27.8,27.1,26.8,25.5,26.6,27.5,29.6,30.7,31.8
1985,31.9,29.7,30.2,29.2,27.1,26.6,25.2,26.2,27.3,29.6,31.3,30.1
1986,30.6,29.7,29.7,29.2,27.7,25.5,26,26,26.7,29.6,30.9,31
1987,31.2,30.7,29.4,29.6,28.1,27.3,26.8,27.3,27.3,29.6,31.4,31.9
1988,31.1,30.3,30.9,28.6,28.6,26.4,25.1,25.8,27.1,29.9,31.4,30.7
1989,30.7,30.9,30.9,28.1,27.5,27,25.2,26.5,27.3,29.8,31.1,30.4
1990,30.5,29.8,30.6,28.7,27.8,26.6,25.8,26.6,27.4,29.5,31.2,30.6
1991,30.5,30.6,30.4,28.7,27.9,26.2,25.3,25.7,26.8,28.6,30.6,30.6
1992,30.8,29.8,30,28.8,28.6,26.5,25.5,25.8,27.2,29.2,30.6,30.3
1993,31.1,30.5,31,28.9,27.8,26.6,25.3,26.4,27.8,29.8,31.1,31.1
1994,31.2,30.1,31,29.4,28,26,26,26.1,27.9,29.7,31.1,31.5
1995,31.2,30.5,30.9,28.7,28,26.4,26.1,26.5,27.5,29.7,30.9,30.8
1996,31.1,30.6,30.8,28.4,27.8,26.4,25.7,26.3,27.4,29.8,30.9,31.6
1997,31.7,30.3,30.1,28.4,27.5,26.5,25.5,26.2,27.5,30.1,31.7,31.4
1998,31.9,31.4,31.9,29.6,28.6,26.7,26.1,26.3,27.6,29.8,31.6,31.7
1999,31.5,30.7,30.5,29.2,27.6,26.1,25.6,25.8,27.1,28.8,30.9,31.7
2000,30.3,29.7,30.5,28,28.1,26.1,26,26.6,26.9,29.3,30.7,30
2001,30.4,30.5,30.4,28.3,28.2,26,25.6,26.3,27.5,29.4,31.2,31.2
2002,30.2,30,30.4,29,28,26.4,25.9,26.4,27.4,29.6,30.8,31.1
2003,31.3,30.4,30.6,28.9,28.3,26.3,25.6,26.4,27.6,29.5,31.3,31.3
2004,30.7,29.9,30.4,28.6,27.7,26.3,25.2,26,27.3,29.6,31.3,31.1
2005,31.5,30.9,31.3,29,28.2,26.4,25.5,26.1,27.6,29.7,31.3,30.8
2006,31,30.5,30.7,28.5,27.8,26.2,25.5,26.5,27.4,29.8,31.4,31.3
2007,31.2,30.4,30.3,28.6,27.7,26.5,25.4,26.4,27.1,29.4,31.2,31.1
2008,31,30.8,30.4,28.4,27.9,26,25.6,26.2,27.8,29.7,31.7,31.3
2009,31.3,30,30.7,28.8,27.8,26.7,26.1,26.6,28,30.2,31.9,31.8
