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