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