1901,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1902,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1903,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1904,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1905,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1906,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1907,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1908,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1909,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1910,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1911,30.3,30.6,30.7,28.5,26.7,25.8,25.1,25.5,27.2,29,29.5,29.1
1912,30.1,30.8,30.6,28.4,26.6,25.5,25,25.3,27,29.1,29.7,29.1
1913,30,30.6,30.5,28.4,26.8,25.5,25.5,25.7,27.4,29.3,29.7,29.5
1914,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.6
1915,30.3,30.9,30.8,28.7,26.9,25.7,25.4,25.6,27.3,29.3,29.8,29.4
1916,30.2,31,30.6,28.4,26.9,25.7,25.4,25.7,27.4,29.3,29.8,29.5
1917,30.3,31.1,30.8,28.5,26.9,25.7,25.4,25.6,27.3,29.3,29.8,29.6
1918,30.2,31.1,30.8,28.5,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1919,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1920,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1921,30.3,30.9,30.8,28.6,26.9,25.8,25.5,25.7,27.6,29.4,30.1,29.9
1922,30.6,31.2,31.1,28.7,27.1,26.1,25.4,25.7,27.5,29.5,30.1,29.9
1923,30.3,31.4,30.8,28.9,26.9,26.1,25.5,26.2,27.9,29.8,30.2,29.9
1924,30.5,31.5,31.1,28.8,27.2,25.7,26.2,25.6,27.9,29.8,30.2,29.8
1925,30.4,30.8,30.8,28.6,27.1,26.2,26,26.2,27.6,29.2,29.7,29.4
1926,30.8,31,30.6,28.2,27.2,26.1,25.7,26.2,27.5,29.4,30.1,29.5
1927,30.6,31.5,31,28.5,26.9,25.7,26,26.2,28.2,29.6,30.8,30.1
1928,30.7,31.2,31.3,29.2,27.3,25.8,25.7,25.6,27.8,29.8,30.6,29.8
1929,30.7,31.7,31.4,29,27.4,25.9,25.3,25.8,27.6,29.3,29.7,30.2
1930,30.4,31,30.5,28.5,26.6,25.6,25.2,25.6,27.5,29.5,30.3,29.5
1931,30.3,31,30.8,28.6,27.2,26,25.7,25.9,27.6,29.5,29.7,29.6
1932,30.3,31.3,30.8,28.6,26.9,25.8,25.5,25.7,27.4,29.3,29.7,29.5
1933,29.9,31,30.7,28.8,26.9,25.8,25.5,25.7,27.4,29.6,30.3,29.6
1934,29.6,30,30.3,28.7,27.7,25.7,25.2,25.9,27.4,29.2,30.1,29.5
1935,31.1,30.8,31.2,28.4,27,25.1,25,25.1,27.5,30.1,30.4,29.5
1936,29.8,30.8,30.6,28.6,27.6,25.4,24.9,25.3,27.1,30.1,31.2,29.6
1937,30.5,31.4,30.8,29.1,27.6,26.3,25.4,25.7,28.1,29.9,30.8,30
1938,30.5,31.3,30.8,28.7,26.7,26.2,26,26.3,28.1,29.7,30.3,29.5
1939,30.3,31.1,30.6,28.8,27.8,25.6,25.6,26.2,27.8,29.8,30.3,29.8
1940,30.6,31.5,30.6,27.9,27.6,26.5,25.2,26.1,28.3,29.6,30.7,30.4
1941,30.1,31.7,31.2,29.6,28,25.8,25.9,26.1,28.7,30.3,29.9,29.7
1942,31.2,32,31.6,29.1,27.9,26.1,25.1,25.9,28.2,29.3,29.7,30
1943,31.2,30.9,31.2,29.6,27.5,25.9,25.4,26,27.4,29.5,30.7,30
1944,29.7,31.3,31.4,29.7,27.8,26.5,25.8,25.7,27.7,29.8,31.1,30.3
1945,31.2,31.5,32.1,29.9,27.7,25.4,25.1,25.5,27.2,30.1,30.2,30.2
1946,30.5,31.2,31.7,29.3,27.6,26.4,25.2,25.3,27.1,29.6,30.5,30.8
1947,31.2,31.2,31.2,28.9,26.3,25.9,25.5,25.2,28.2,29.1,30,29.4
1948,29.8,30.4,30.8,28.8,27.6,26.3,25.7,26.1,27.6,29.3,30.1,29.3
1949,30.3,30.2,30.7,29.1,27.5,25.4,25.5,26.1,27.8,30,30.7,29.3
1950,29.6,30.3,30.8,28.7,26,25.4,24.9,25.1,27.1,28.7,29.8,29.5
1951,31.1,31.8,31.1,28.3,26.9,26.2,25.7,25.5,28.4,29.8,30.3,30.2
1952,31.1,31.9,31.9,29.4,27.8,26.1,25.7,25.8,28.3,29.6,30.3,30.2
1953,31.4,31.3,31.4,29.3,27.3,26.7,25.7,26.1,27.9,29.6,30.2,30.2
1954,31,31.8,31.8,29,27.3,25.8,25.7,25.9,27.9,29.2,29.7,29.9
1955,31,31.1,30.9,28.6,26.7,26,26,26.1,27.6,29.4,29.8,30
1956,29.7,30.7,31.1,28.5,27,26.1,24.9,26,27.1,29.3,29.6,29.7
1957,30,29.8,30.4,28.5,26.3,25.8,25.1,25.6,27.8,29.8,29.7,29.7
1958,30.7,30.1,30.7,29.4,27.2,26,25.4,25.8,28,29.9,30.4,29.2
1959,30.6,31,30.6,28.8,27.8,26.2,25,25.4,27.3,28.9,30,29.1
1960,30.1,30.9,29.8,28,26.9,26.1,25.1,25.9,27,29,30.1,30.3
1961,32,31.7,31.7,29.4,28.7,27.4,26.1,26,26.9,28.7,27.9,29.3
1962,28.9,30.8,31,29.4,26.7,26.5,25.4,25.8,27.1,29,30.2,29.2
1963,29.5,30.2,29.8,27.9,26.3,25.1,25.7,25.2,26.9,30,28.9,28.7
1964,30.1,31.6,30.6,28.3,26.6,25.9,24.6,25.2,26.4,28.5,30.5,28.9
1965,29.5,31,31.5,28.4,26.8,25.8,25.3,25.4,27.3,28.6,29.5,29.7
1966,30.8,31.4,30,28.2,27.1,25.6,25.7,26.2,27.7,29.2,29.7,30.5
1967,31.7,31.6,32.1,28.7,26.8,25.1,25.2,25.1,26.8,28.2,29.1,29.1
1968,29.9,29.8,28.3,27.2,26.1,24.9,24.1,24.5,27,28.9,28,29.7
1969,30.3,29.1,29.5,29.9,27.2,25.9,25.5,25.4,28.1,29.9,29.7,30.2
1970,29.5,30.7,30.3,27.7,26.6,25.6,25,25.4,27,29.4,30.5,29.3
1971,30.1,30.5,30.6,28,26.2,24.4,24.3,24.8,26.5,28.8,30.9,29.6
1972,29.7,29.4,30.7,29.7,26.7,25.9,25.1,26.2,27.8,29.2,28.7,29.2
1973,29.9,31,32.3,29.4,26.9,25.5,26,25.4,28.1,30.4,30.6,29.6
1974,31.1,31.4,30.4,27.9,26.9,25.6,25.1,25.7,26.2,29.4,30.1,29.8
1975,30.7,31.7,31.2,28.5,26.7,25.7,25.9,25,26.7,28.5,29.8,30.5
1976,30.7,31,31,28.9,27,26,26,26,27.3,29.7,31.2,31
1977,30.5,31.2,30.5,28.4,27.5,25.6,25.7,26.1,27.7,29.8,28.2,29.3
1978,29.1,30.5,28.6,27.8,26.3,25.4,25,26.5,28.8,29.4,29.7,28.5
1979,29,29.4,29.3,28.5,26.6,25.4,25.2,26.6,27.5,28.4,30.5,31.2
1980,30.7,31,31.4,29.4,27.3,25.6,25,25.1,27.9,30.2,29.7,29.5
1981,31.4,32.2,30.9,28,26.1,25.8,24.7,25.8,27.5,28.9,30.6,29.4
1982,31.5,32.3,31.9,28.6,26.6,26.1,25.8,25.8,27.5,28.2,29.2,29.3
1983,31.3,31.5,31.7,29.7,27.1,26.6,26.1,26.5,27.5,30.4,31.6,28.4
1984,29,31.1,31.3,27.4,27.4,25.6,24.6,25,28.1,28.4,28.5,29
1985,31,29.5,30.6,28.3,26.5,25.5,25.3,25.4,27.6,28.9,29.2,29.9
1986,30.3,32.1,30.5,28.3,26.5,25.2,25.2,26.4,27.8,30.2,29.7,29.1
1987,30.7,31.6,32.2,30.5,27.6,26.1,26.1,26.1,28.8,30.8,30.7,31.7
1988,31.3,32.6,31.9,28.7,27.5,27,26.4,26.2,27.8,30.3,30,29.5
1989,28.8,30.3,30.8,28.1,26.5,25.3,25.4,25.2,27.2,29.1,29.9,28.5
1990,29.7,31,29.4,28.6,27.7,26,26,25.4,27.2,29.6,29.1,29.6
1991,30.8,31.1,31.2,29.8,27.1,26.6,25.5,25.5,27.8,30,30.3,29.5
1992,30.8,31.6,31.2,28.4,26.7,25.3,24.5,24.5,26.6,29.4,29.6,29.5
1993,29.4,29.5,30.1,28.7,27.5,26.3,25.3,25.8,27.6,29.5,30.5,30
1994,29.5,30.9,29.6,28.5,26.8,26.1,25.5,25.7,27.9,29.5,28.9,29.1
1995,30.5,31.1,30.7,29.2,26.8,26.3,25.6,25.7,27.7,29.4,30,30.3
1996,31.2,32.3,31.1,28.8,26.9,26.6,25.8,26.2,28.1,29.1,29.6,29.4
1997,31.3,31.4,29.8,28.8,27.1,25.8,25.9,26.4,28.7,29.3,30.2,30.5
1998,31,32.2,31.4,28.5,26.7,26.6,26.1,25.7,27.3,30.1,30.7,30.5
1999,31.7,31.2,30.7,29.5,27.2,27.2,25.7,26.5,28.8,29.7,30.2,29.7
2000,30.3,31.1,31.4,30.3,28.8,25.9,26.7,27,27.9,30,31,29.2
2001,30.3,31.2,32.2,28.4,27.2,26.2,25.6,26.5,27.9,30.1,29.9,30
2002,31.1,31.1,31.9,29.4,27.8,26.6,26.1,26,28.5,30.7,29.8,30.9
2003,30.9,31.5,31.9,29.7,27.8,26.9,25.7,26.4,27.5,30.6,30.5,30.5
2004,32.7,32.9,31.7,28.8,27.9,26.2,26.3,26.7,27.9,28.8,29.8,29.4
2005,30.4,32.2,31.8,29.3,27.3,26.7,25.7,25.7,28.1,29.3,30.6,30.9
2006,31.9,32,31.7,28.6,27.6,25,26,26,27.2,30.1,30.4,29.4
2007,30.7,31.6,31.2,29,27.6,25.4,25.2,26,29,29.7,30.4,29.7
2008,31.3,31.9,30.5,29,27.1,25.4,25.5,26.6,28.2,29.7,30.1,29.7
2009,31.3,31.8,31.5,29.7,27.4,26.5,25.9,26.8,28.5,30.6,30.1,31.8
