1901,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1902,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1903,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1904,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1905,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1906,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1907,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1908,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1909,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1910,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1911,31.4,31.8,31.8,29.9,28.2,27.7,26.7,27.1,28,29.3,30.3,30.5
1912,31.2,32,31.7,29.8,28.1,27.4,26.6,26.9,27.8,29.4,30.5,30.5
1913,31.1,31.8,31.6,29.8,28.3,27.4,27.1,27.3,28.2,29.6,30.5,30.9
1914,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,31
1915,31.4,32.1,31.9,30.1,28.4,27.6,27,27.2,28.1,29.6,30.6,30.8
1916,31.3,32.2,31.7,29.8,28.4,27.6,27,27.3,28.2,29.6,30.6,30.9
1917,31.4,32.3,31.9,29.9,28.4,27.6,27,27.2,28.1,29.6,30.6,31
1918,31.3,32.3,31.9,29.9,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1919,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1920,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1921,31.4,32.1,31.9,30,28.4,27.7,27.1,27.3,28.4,29.7,30.9,31.3
1922,31.7,32.4,32.2,30.1,28.6,28,27,27.3,28.3,29.8,30.9,31.3
1923,31.4,32.4,31.9,30.2,28.4,27.9,27.1,27.6,28.5,29.9,30.8,31.1
1924,31.6,32.6,32.2,30.2,28.7,27.7,27.7,27.4,28.6,30.1,30.9,31.2
1925,31.5,32,31.9,30,28.6,28.1,27.6,27.8,28.4,29.5,30.5,30.8
1926,31.7,32.1,31.7,29.5,28.7,28,27.3,27.8,28.3,29.7,30.7,30.7
1927,31.6,32.4,32.1,29.7,28.3,27.5,27.5,27.8,28.8,29.9,31.4,31.3
1928,31.7,32.2,32.4,30.5,28.8,27.7,27.3,27.3,28.5,30.1,31.2,31.1
1929,31.7,32.7,32.4,30.2,28.8,27.7,26.9,27.3,28.2,29.6,30.5,31.3
1930,31.5,32.1,31.7,29.8,28.2,27.5,26.8,27.1,28.1,29.7,30.8,30.9
1931,31.4,32.2,31.9,30,28.7,27.9,27.3,27.5,28.4,29.8,30.5,31
1932,31.4,32.5,31.9,30,28.4,27.7,27.1,27.3,28.2,29.6,30.5,30.9
1933,31.1,31.9,31.7,30.1,28.3,27.4,26.9,27.2,28.1,29.6,30.7,30.8
1934,30.6,30.8,31.1,30.1,29,27.7,26.9,27.3,28,29.5,30.6,30.9
1935,31.9,31.6,32,29.3,28,26.9,26.2,26.4,28.3,30.3,30.9,30.6
1936,30.8,31.8,31.5,29.5,28.9,27.3,26.2,26.5,27.5,30.2,31.6,30.7
1937,31.3,32.1,32,30.1,29.2,28.2,26.6,27,28.7,30,31.2,30.9
1938,31.5,31.9,31.6,30.1,28.3,28.1,27,27.3,28.5,29.9,30.8,30.7
1939,31,32,31.6,29.9,28.9,27,27.2,27.8,28.4,30,30.9,31
1940,31.6,32.5,31.6,29.1,28.9,28,26.9,27.4,28.7,29.5,31.5,31.8
1941,31.1,32.7,32.2,30.6,29,27.2,26.9,27.3,29.1,30.2,30.7,31
1942,32,33.2,32.5,30.6,28.8,28,26.8,27.3,28.3,29.6,30.7,31.4
1943,31.9,32,32.4,31,29.1,27.8,26.8,27.5,28,29.6,31.2,31.4
1944,30.7,32.3,32.3,30.5,29.1,27.9,27,27.1,28.5,29.8,31.6,31.8
1945,32,32.2,32.8,31.3,29.4,27.2,26.7,27.2,27.7,30.5,31,31.7
1946,31.7,32.5,32.4,30.8,29.3,28.2,26.8,26.9,27.8,29.7,31.4,32.1
1947,32.5,32.6,32.6,30.4,28.1,27.7,27.1,26.7,28.3,29.4,30.7,30.9
1948,31.2,31.7,32,30.3,29.4,27.6,26.8,27.3,28.1,29.7,30.4,30.7
1949,31.4,31.3,31.7,30.3,29.1,27.3,27.1,27.9,28.6,30.2,31.3,31.1
1950,30.6,31.1,31.6,30.1,27.8,26.8,26.8,27,28,29,30.2,30.7
1951,31.6,32.4,32,29.6,28.3,28.1,27.1,27.3,29,30.1,30.9,31.3
1952,32.1,32.9,33,30.7,29.2,28.2,27.4,27.5,28.9,29.8,31,31.3
1953,32.3,32.5,32.3,30.6,28.9,28.2,27.3,27.5,28.3,29.8,30.8,31.4
1954,31.8,32.8,32.6,30.3,28.9,27.9,27.3,27.6,28.7,29.4,30.6,31.2
1955,31.9,32,32.1,29.9,28.2,27.6,27.3,27.2,28.4,29.4,30.5,31.4
1956,30.6,31.8,32,29.9,28.4,27.5,26.3,27.3,27.5,29.2,30.4,30.8
1957,30.6,30.8,31.6,29.7,27.8,27.9,26.7,27.4,28.3,29.9,30.4,30.9
1958,31.7,31.5,32.1,31.2,29,27.8,26.9,27.6,28.7,30.1,31,30.4
1959,31.8,32.1,31.7,30.5,29.4,28,26.6,26.8,28.1,29.3,30.9,30.8
1960,31.2,32.5,31.1,29.3,28.5,27.6,26.8,27.5,27.9,29.5,30.4,31.2
1961,32.6,32.6,32.4,30.7,29.6,28.6,27.3,27.3,27.6,29,29.3,31.1
1962,30.4,32.2,32.2,29.9,28.1,28,27,27.2,27.7,29.4,31.3,31.1
1963,31.3,31.7,31.3,29.2,27.9,27.2,27.2,26.9,27.9,29.9,29.3,30.3
1964,31.2,32.6,31.7,29.8,28.3,27.5,26.4,27,27.4,28.9,31,30.3
1965,30.1,31.7,32.2,29.5,28.4,27.1,26.8,27.1,27.9,29,30.1,30.7
1966,31.7,33,31.6,29.8,28.4,27.7,27.4,27.6,28.5,29.5,30.5,31.7
1967,32,32.2,32.7,30.1,28.5,27.5,27,27.1,27.9,28.7,29.9,29.6
1968,30.3,31.3,30.7,28.9,27.9,26.7,26.3,26.7,28.2,29.5,29.5,30.5
1969,31,31.3,31.3,30.8,28.8,27.7,27.4,26.9,28.4,29.9,30.5,31.2
1970,31.6,32.4,32.2,29.5,28.4,28,27.2,27.3,27.9,29.6,31.1,30.8
1971,31.4,31.3,31.2,29.5,27.9,26.7,26.2,25.9,27.5,28.8,31.3,31.2
1972,31.1,31,31.8,30.7,28,28,27,28,28.5,29.7,29.6,31.2
1973,31.8,32.4,33.2,30.6,28.7,27.8,27.6,26.8,28.8,31.1,30.9,30.8
1974,32.2,33,32.2,29.5,28.7,27.7,27,27.7,27.8,29.5,30.5,30.9
1975,31.6,32.4,32.3,29.6,28.4,27.8,27,26.9,27.6,29,30.6,31.5
1976,31.7,32.3,31.4,29.8,28.5,27.7,27.2,27.2,28.3,29.9,31.8,32.4
1977,32,32.4,31,29.7,28.7,27,27.5,27.5,28.3,29.7,29.5,30.5
1978,30.5,31.8,30.4,29,28,27.5,26.4,27.9,29.2,30.1,30,29.7
1979,31,31.1,30.9,29.9,27.8,27.4,26.7,27.9,28.3,29.2,30.8,32.1
1980,31.7,32.5,32.5,30.9,29.1,27.9,26.8,26.5,28.5,30.5,30.7,31.3
1981,32.7,32.9,31.9,29.5,27.6,27.5,26.4,27.4,28.1,29.4,31.3,30.7
1982,32.1,32.7,32.3,29.7,27.7,27.6,26.8,27,27.8,28.6,30.2,30.9
1983,32.1,32.5,32.6,30.8,28.5,28.6,27.7,27.5,28.2,30.5,31.5,30.6
1984,31.1,31.7,31.8,29.3,28.8,27,26.4,26.6,28.2,28.6,29.4,30.2
1985,31.6,31.1,31.5,30,28.1,27.5,26.8,27.3,28,29.5,30,31.1
1986,31.8,32.4,31.8,29.5,28.2,27.5,27.1,27.8,28.7,30.6,30.7,30.6
1987,31.9,32.4,33.2,31.5,29,28.1,27.2,27.5,29.1,30.4,31.5,31.9
1988,32.7,33.4,33.3,30.4,29.2,28.4,27.9,28.2,28.5,30.7,30.7,30.8
1989,30.3,31.8,31.9,29.8,28.2,27.3,27.4,26.9,28.3,29.5,30.4,30.5
1990,31.2,32.7,31.3,30.2,29.2,28,27.7,27.5,28.4,30.2,30.7,31
1991,32,32,31.9,31.3,28.3,28.3,26.8,26.7,28.3,30.5,30.7,30.7
1992,31.4,32.5,32.2,29.7,28.3,27.2,26.1,26.1,27.4,29.6,30.2,30.8
1993,30.7,31,31.4,29.9,29,27.9,26.9,27.1,28.2,29.3,30.8,31.3
1994,31.7,31.9,31.7,30.1,28.1,27.9,26.9,27.2,28.5,29.8,29.7,30.1
1995,31.4,32.1,31.7,30.3,28.1,28,27.5,27.1,28.4,29.3,30.4,31.5
1996,32.1,32.9,31.5,29.8,28.1,28.2,27.2,27.3,28.4,29,30.3,30.6
1997,32.1,32.2,30.9,29.8,28.3,27.2,27.3,28,29,29.1,30.3,31
1998,31.7,32.5,32.5,30.2,28.8,28.6,27.6,27.8,28,29.9,30.6,31.8
1999,32.6,32.2,31.6,30.2,28.5,27.9,26.8,27.3,28.7,29.7,30.6,31.2
2000,31.6,32.2,32,30.8,29.4,27.4,27.8,27.4,28.5,30.1,31.5,30.5
2001,31.4,32.1,33,29.8,28.8,28,27.3,27.5,28.4,30.2,31,31.4
2002,32.2,32.4,32.5,30.5,29,28.3,27.5,27.4,28.5,30.5,30.7,31.9
2003,32.1,32.6,33,31,29.3,28.6,27.1,28,28.1,30.8,30.9,31.1
2004,33.7,33.4,32.7,30.3,29.3,27.9,27.7,28.1,28.6,29.1,30.5,30.8
2005,31.6,33.1,32.6,30.3,28.8,28.5,27.2,27.3,28.6,29.7,30.9,31.9
2006,32.8,33,32.8,29.6,28.4,26.8,27,27.4,27.9,30,30.7,30.6
2007,31.4,32.1,31.4,29.9,28.6,27.2,26.7,27.6,29.1,29.8,30.7,30.7
2008,31.9,32.3,31.6,29.7,28.6,27.3,26.9,27.8,28.8,30.3,30.7,30.9
2009,32.3,32.4,32.3,30.9,28.9,28.4,27.4,28,29.1,30.2,30.9,32.6
