1901,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1902,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1903,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1904,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1905,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1906,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1907,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1908,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1909,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1910,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1911,31.7,31.8,32.6,31.5,29.3,28.8,27.3,28.1,28.7,29.6,30.9,30.9
1912,31.3,32.1,32.5,31.3,29.3,28.3,27.2,27.7,28.4,29.7,31.2,30.8
1913,31.2,31.7,32.3,31.3,29.6,28.3,28.1,28.4,29.2,30.1,31.2,31.6
1914,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.8
1915,31.7,32.3,32.7,31.9,29.7,28.6,27.9,28.2,29.1,30,31.3,31.3
1916,31.4,32.5,32.4,31.4,29.8,28.7,27.9,28.4,29.2,30.1,31.4,31.5
1917,31.8,32.6,32.8,31.4,29.8,28.7,27.9,28.2,29.1,30.1,31.4,31.8
1918,31.5,32.6,32.8,31.5,29.9,28.7,28.1,28.4,29.2,30.1,31.2,31.6
1919,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1920,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1921,31.7,32.3,32.8,31.7,29.8,28.8,28.1,28.4,29.5,30.4,31.9,32.3
1922,32.3,32.9,33.3,31.9,30.2,29.3,27.9,28.3,29.4,30.5,32,32.3
1923,31.7,32.5,32.8,31.9,29.8,29,28.1,28.7,29.4,30.3,31.4,31.8
1924,32,33.1,33.2,32.1,30.3,29.1,29.1,28.9,29.9,30.9,31.9,32.1
1925,31.9,32.2,32.8,31.7,30.2,29.6,29.1,29.3,29.6,29.9,31.2,31.4
1926,31.9,32.4,32.5,31,30.3,29.3,28.8,29.3,29.5,30.2,31.5,31.2
1927,31.9,32.6,32.9,31,29.3,28.4,28.5,29.3,30,30.7,32.5,32.2
1928,31.9,32.4,33.4,32.5,30.5,28.7,28.5,28.6,29.7,30.9,32.3,31.8
1929,31.9,33.2,33.5,31.9,30.3,28.7,27.7,28.1,29,30.1,31.2,32
1930,31.9,32.3,32.6,31.6,29.3,28.3,27.5,27.9,28.9,30,31.4,31.6
1931,31.8,32.4,32.8,31.6,30.4,29.2,28.4,28.7,29.6,30.5,31.2,31.8
1932,31.7,33,32.8,31.7,29.8,28.8,28.1,28.4,29.2,30.1,31.2,31.6
1933,31.6,32.5,32.8,32.1,30,29,28.2,28.5,29.2,30.4,31.6,31.5
1934,31.1,31.2,32.1,32,30.7,29.1,28.2,28.7,29.2,30.2,31.9,31.8
1935,32.5,32.6,33.1,31.5,29.8,28.1,27.5,27.5,29.2,30.9,31.9,31.5
1936,31.4,32.4,32.7,31.8,30.6,28.4,27.4,27.8,28.7,31,32.5,31.7
1937,32,32.8,33,32.7,30.9,29.3,28.1,28.5,30,30.8,32.3,31.8
1938,31.7,32.5,32.9,31.7,29.8,29.2,28.4,28.9,29.6,30.5,31.7,31.4
1939,31.5,32.5,32.7,32.1,31,28.6,28.4,29,29.7,30.7,31.8,31.8
1940,32.2,33,32.8,30.9,30.6,29.5,28.2,28.8,29.8,30.4,32.1,32.3
1941,31.6,32.8,33.3,32.6,30.9,28.7,28.2,28.9,30.3,30.9,31.9,32
1942,32.4,33.3,33.7,32.6,30.8,29.2,27.9,28.6,29.5,30.2,31.6,32.1
1943,32.2,32.5,33.3,32.8,30.9,28.9,28.1,28.7,29.1,30.1,32.1,32
1944,30.8,32.6,33.5,32.9,30.9,29.5,28.4,28.6,29.7,30.5,32.8,32.6
1945,32.5,32.8,33.8,33.2,31.2,28.6,28.2,28.6,29.2,30.8,31.9,32.3
1946,31.7,32.3,33.4,32.7,31.1,29.6,28.3,28.6,29.1,30.3,32.2,32.9
1947,32.9,32.8,33.5,32.2,29.7,29,28.6,28.3,29.8,29.9,31.4,31.6
1948,31.6,32,33.1,32.2,31.1,29.3,28.2,28.8,29.5,30.1,31.3,31.2
1949,31.4,31.5,32.6,32.2,30.7,28.7,28.3,28.9,29.7,30.8,32,31.6
1950,31.1,31.7,32.9,32,29.5,28.4,27.9,28.2,29,29.8,31.2,31.5
1951,31.3,31.7,32.8,31.2,29.8,28.9,28,28.6,29.8,30.5,31.5,31.4
1952,31.8,32.6,34,32.4,30.9,29.4,28.4,28.7,29.8,30.3,31.9,31.6
1953,32,32.6,33.3,32.4,30.6,29.1,28.1,28.5,29.1,30.2,31.6,31.8
1954,31.7,32.5,33.2,32.1,30.7,29,28.2,28.6,29.3,29.9,31.4,31.2
1955,31.8,31.6,33,31.9,29.7,28.5,28.1,28.2,29.5,30,31.3,31.9
1956,31,31.6,32.6,31.7,29.9,28.5,27.2,28.2,28.5,29.6,31,30.8
1957,30.7,31,32.6,31.8,29.7,29.5,27.9,28.9,29.3,30.7,31.2,30.6
1958,31.7,31.9,33.1,33.1,30.6,28.9,28,28.8,29.9,30.5,31.7,30.7
1959,31.9,31.9,32.5,32.2,30.7,29,27.8,27.7,29.1,29.9,31.9,31.7
1960,31.6,32.8,32,30.9,29.9,28.4,27.9,28.6,29.1,29.9,31,31.2
1961,32.5,32.8,32.9,32.2,31,29.4,28.2,28.5,28.7,29.4,30,31.7
1962,30.4,32.2,32.8,31.6,29.3,29.1,28.1,28.6,28.9,30.1,32.2,31.5
1963,31.5,32.1,32.4,31,29,28.2,28.1,28.2,28.9,30.3,30,30.7
1964,31,32.4,32.7,31.4,29.4,28.5,27.2,27.9,28.5,29.4,31.3,30.6
1965,30.2,31.8,32.7,31.2,29.9,28.1,27.7,28.2,29,29.4,30.5,31.6
1966,31.7,33.3,32.7,31.5,29.9,28.8,28.4,28.6,29.7,29.9,31.1,32.7
1967,31.9,32,33.4,31.8,30,29,28.2,28.4,28.8,29.5,30.3,29
1968,30.4,31.3,32,30.6,29.3,27.6,27.4,28,29.4,29.9,30.4,30.3
1969,31.1,31.8,32.6,32.7,30.2,29.2,28.7,28.2,29.3,30.8,31.7,31.7
1970,32.3,33,33.3,31.3,30.2,29.4,28.8,28.7,29.2,30.3,32.2,32.2
1971,32.1,31.9,32.1,31.7,29.3,28.2,27.6,27.3,28.7,28.9,31.7,32.1
1972,31.7,32.1,32.7,32.5,29.7,29.4,28.2,29.2,29.5,30.4,30.8,32.6
1973,32.4,32.6,34,32.7,30.4,29.1,28.6,28.2,29.5,31.5,31.4,31.8
1974,32.5,33.3,32.8,31.4,30.4,29.2,28.5,28.9,29.2,30.1,31.4,31.8
1975,31.7,32.6,33.1,31.5,30,28.8,27.9,28.1,28.6,29.7,31.4,32.2
1976,31.9,32.5,32.3,31.4,29.9,28.9,28.1,28.3,29.1,30.2,32.5,32.7
1977,32.2,32.5,31.9,31.4,30.2,28.7,28.6,28.4,29.3,29.9,30.5,31
1978,31.1,31.6,31.8,30.5,29.3,28.9,27.5,28.8,29.9,30.6,30.7,30.3
1979,31.5,31.7,32.6,31.4,28.7,27.9,27.5,28.4,29.2,30.6,31.5,32.3
1980,31.8,33.1,33.5,33.1,31,29.5,28.3,27.8,29.5,31,32.1,33.1
1981,33.4,32.9,32.5,31.1,28.7,28.8,28,28.7,29.1,30.4,32.1,31.9
1982,32.2,32.6,33,30.9,28.9,28,27.2,27.5,27.9,28.7,31.1,31.8
1983,32.4,32.9,33.3,32.9,29.9,29.6,29,28.7,29.4,30.8,31.9,32.4
1984,32.4,32,32.7,32.5,30,27.9,27.6,27.8,28.9,29.3,29.9,30.5
1985,31.6,31.7,32,31.7,29.4,28.7,27.7,28.4,28.8,29.8,31,31.9
1986,32.2,32.3,33,31.1,29.1,28.9,28.4,28.8,29.7,31.2,31.7,30.9
1987,32.1,32.4,33.6,32.7,30.1,28.9,28.3,28.6,30,30.7,32.4,32.4
1988,33.2,33.5,33.8,31.8,30.9,28.9,28.8,29.1,29.1,31,30.7,31.4
1989,31,32.2,32.7,31.1,29.5,28.6,28.4,28,29.5,29.9,30.3,30.8
1990,31.4,32.8,32.2,31.3,30.5,29,28.5,28.6,29.4,30.8,31.7,31
1991,32.1,32.4,32.4,32.6,29.8,29.2,27.8,27.7,29.1,31.3,31.4,31.8
1992,30.8,33,33,31.9,30,28.7,27.3,27.4,28.6,29.9,30.9,31.4
1993,31,31.8,32.5,32,30.6,28.9,27.9,28.1,28.8,28.9,31.3,31.8
1994,32.5,32.3,33.1,32.1,29.7,29,27.6,28.3,29.3,30,30.1,30.4
1995,31.6,32.5,32.7,32,29.6,29.1,28.7,28.3,29.2,29.7,31,31.7
1996,32,32.9,32.7,31.9,29.4,29.2,28.3,28,28.9,29.7,31.2,31.3
1997,32,32.4,32.5,30.9,29.6,28.1,28.3,29.2,29.9,29.4,30.1,30.7
1998,32,32,33.1,32,30.5,29.4,28.2,28.4,29,30.9,30.8,32.4
1999,32.4,32.4,32.9,31.4,29.8,28.4,27.7,27.9,29.3,29.6,31.3,31.7
2000,31.7,32.3,32.6,31.8,29.8,28.4,29,28,29.1,30,32.4,31.4
2001,32.1,32.5,33.9,31.5,30.1,28.7,28.2,27.8,29.5,30.7,31.5,32
2002,32.4,32.6,33.3,32.3,30.4,29.5,28.3,28.7,29.2,30.4,31.4,32.2
2003,32.3,32.8,33.6,33,30.8,29.4,28.3,29,29.2,31.1,31.5,31.7
2004,32.4,32.7,33.5,32,30.5,29,28.6,29.1,29.5,29.4,31.3,31.6
2005,31.8,32.9,33.4,32.1,30.1,29.4,28.2,28.7,29.6,30.2,31.5,32.5
2006,32.7,33.1,33.7,31.4,29.7,28.5,27.6,28.5,29,30.5,31.4,31.7
2007,31.8,32.2,32.4,31.7,30.1,28.6,28.2,28.9,29.6,30.2,31.4,31.7
2008,32.1,32.5,32.6,31,29.7,28.6,28,29.2,30,31,31.1,31.5
2009,32.6,32.4,33.3,32.5,30.6,29.5,28.5,29.4,30,30.2,31.7,33
