1901,31.1,32.8,31.6,31.5,30.9,29.6,28.5,28.5,29,29.9,31,31.5
1902,31.8,32.2,32,31.8,30.9,29.6,28.5,28.7,29,29.9,31,31.5
1903,32.1,33.1,32.5,31.8,30.8,29.3,28.5,28.6,29.1,29.9,31,31.5
1904,31.9,32.7,32.1,31.6,30.7,29.4,28.5,28.2,29,29.9,30.9,31.5
1905,31.6,32,32.3,32,31.1,29.1,28.5,28.5,29.1,29.8,31.4,32
1906,31.5,32.8,32.9,33.3,30.9,29.8,28.4,28.4,29.4,30.1,31.1,31.9
1907,31.7,32.4,32.4,31.8,31.4,29.5,28.6,28.9,29.1,30.4,31.1,31.1
1908,31.4,32.2,32.2,32.1,31.3,29.3,28.7,27.6,29.1,29.8,30.8,31.4
1909,31.9,33.3,33.5,32.2,30.9,29.6,28.1,28.6,29,29.5,31.1,31.6
1910,31.3,32.8,31.7,31.3,30.9,30.7,28.8,28.6,29.3,29.8,31,31.5
1911,31.4,32.6,32.7,32,31,29.5,28.5,28.5,29,29.9,31.2,31.3
1912,32.1,33.2,32.9,32.9,31.5,30.4,28.8,29.1,29.3,29.9,30.8,31.5
1913,31.8,32.5,31.4,31.4,31,29.9,29.1,29.4,29.7,29.9,31,31.5
1914,33.2,32.8,32.5,32.1,31.6,30,29,28.8,29.4,30.2,31.7,31.6
1915,31.9,33,32.5,31.9,30.9,29.6,28.5,28.5,29,29.8,30.9,31.5
1916,32,33,32.5,31.9,30.9,29.6,28.5,28.5,29,29.9,31,31.6
1917,31.9,33,32.5,31.9,31,29.6,28.5,28.5,29.1,29.9,31,31.6
1918,32,32.9,32.5,31.9,30.9,29.6,28.5,28.6,29.1,29.9,31,31.5
1919,31.9,33,32.6,31.9,30.9,29.6,28.5,28.5,29,29.9,30.9,31.5
1920,32,33,32.6,31.9,30.9,29.6,28.5,28.5,29,29.9,31,31.5
1921,31.8,33,32.5,32,30.9,29.6,28.5,28.5,29.1,29.9,31,31.6
1922,32,32.9,32.5,31.9,30.9,29.6,28.5,28.5,29,29.9,31,31.6
1923,32.2,32.6,32,31,30.6,29.5,28,28.1,28.9,29.9,30.8,31.8
1924,31.3,32.7,32.4,31.7,30.8,29.6,28.1,28.2,28.5,29.5,30.6,31.5
1925,30.9,32.5,32.2,31.8,30.3,29,28.1,28.1,28.6,29.5,30.7,31.1
1926,31.8,32.9,32.4,31.5,30.6,29.2,28.2,28.7,29.5,29.8,30.8,31.8
1927,31.7,32.9,31.8,31.7,30.7,29.7,28.1,28,28.7,29.4,30.9,31.9
1928,31.7,32.5,32,31,30.3,29.3,28.3,28,28.8,29.5,30.8,31.2
1929,31.9,32.4,31.7,30.7,30.5,29.6,28.9,27.7,28.6,29.3,30.1,30.5
1930,31.6,33.5,32.6,32,31,29.4,28.7,28.6,29.3,29.3,31.9,32.7
1931,32.3,33.9,32.2,32.9,31,29.6,28.9,28.7,29,30.6,32,32.8
1932,32.2,33.3,32.9,32.5,31,29.4,28.4,29.2,29.3,30.4,31.9,32.5
1933,33.1,33.8,33.1,32.2,30.4,29.6,28.6,28.4,29.3,29.8,31.6,31.9
1934,32.3,33.2,32.5,31.8,30.7,29.4,28.3,28.2,28.7,29.8,32,32.2
1935,33,33.8,33.8,32.2,30.8,29.1,28.3,28.2,28.7,29.5,30.9,31.4
1936,31.6,32.6,33.8,31.3,30.3,29.2,28.1,28.1,28.7,29.7,30.8,31.1
1937,32,33.2,33.1,32,30.9,29.9,28.4,28.6,29.3,30.8,31.7,32.3
1938,32.3,33.5,32.7,32.7,31.8,30.4,28.8,28.3,29.1,30.4,32.3,31.2
1939,32.6,33.8,33.3,31.3,31,29.6,28.7,28.7,29,30.4,31.6,32.6
1940,31.9,33,32.6,32,31,29.6,28.5,28.5,29,29.9,31,31.6
1941,33.3,33.2,33.7,32.8,32.4,30.5,28.8,28.7,29.6,31.2,32,32.6
1942,32.6,34,33.2,32.5,31,30.5,28.5,28.3,29.6,30.3,31.7,31.9
1943,32.1,33,32.6,32,30.2,28.5,28,28.5,28.9,30.2,31.7,32.4
1944,31.6,32.9,32.7,31.6,32,30.2,28.8,28.3,29.7,30.4,31.1,32.2
1945,32.7,32.8,32.3,31.9,31.2,30.2,28.7,28.2,29.6,29.9,31,31.1
1946,32.9,33,32.9,32.5,30.7,29.4,28.2,28.1,28.5,28.7,31.2,31.2
1947,32,34.4,32.3,32.2,31.9,30.8,29.1,29.1,29.3,30.3,30.8,31.7
1948,31.9,33.3,32,31.5,30.5,29.2,28.2,28.5,29.3,30,31.1,31.9
1949,32.3,33,33.2,32.3,31.9,30.6,28.9,28.5,29.7,30.7,31.7,31.4
1950,32.5,32.2,32.2,31.9,31.4,30.9,28.1,28,29,29.5,30.8,31.7
1951,31.6,32.4,32.3,32.2,30.7,30.1,28.5,28.8,29.3,29.9,31.1,33.2
1952,32.3,32.9,32.4,31.9,30.7,30,27.9,28.4,28.7,29.6,30.1,31.6
1953,31.6,32.1,31.6,32.3,30.3,29.3,28.2,28.2,28.7,29.4,30.5,31.7
1954,31.3,31.8,31.5,31.7,30.5,29.5,28,27.7,28.6,29.2,30.5,31.9
1955,31.1,32.4,31.4,31.5,30.3,29.2,27.6,28,28.5,29.1,30.4,31.1
1956,31.1,32.1,31.8,31.9,30.3,29.1,27.9,27.7,28.4,29.3,30.1,31.5
1957,30.9,32.4,31.8,31.9,30.8,29.6,28.2,28.7,28.8,29.2,30.4,31.8
1958,32,32.4,32.4,32.2,30.3,29.5,28,28.4,28.5,29.4,30.5,32
1959,31.5,32.5,32.1,32.3,30.2,29.4,28.2,28.8,28.5,29.5,30.3,32.1
1960,31.6,32.6,31.7,31.4,30.5,29.9,28.4,29.2,28.7,29.4,30.5,31.8
1961,31.1,32.7,32.8,31.8,30.4,28.8,27.6,29,28.4,29.6,30.5,32.2
1962,32.2,33.2,31.5,32,30.4,29.2,27.8,28.7,28.4,29.7,30.2,30.8
1963,31.6,32,32.4,32,30.8,31.2,29,29.3,29.8,30.6,31.4,31.6
1964,31.9,33.5,32.7,32.4,30.4,29.9,28.3,28.7,28.4,29.9,30.8,30.6
1965,30.3,31.7,32.4,31.6,30.9,28.8,28.8,29.4,28.7,30.6,31.4,31.6
1966,32,33.2,32.6,32.3,30.3,30,29.4,29,29.1,30.1,30.7,31.4
1967,32.4,33.2,32.7,31.9,30.4,29.1,27.6,28.3,28.7,29.5,30.7,31.3
1968,31.1,32.8,31.7,32,30.8,29.4,28.9,29.6,29.3,30.5,30.6,31.5
1969,32.2,34.1,32.2,32.7,30.5,31.1,29.3,29.2,29,30.1,30.9,31.9
1970,31.2,32.6,33,32.6,30.8,30.2,27.9,28.9,29.1,29.8,31.3,32
1971,31.4,32.4,32.2,31.8,31.8,29.6,28.2,27.8,28.6,29.5,30.5,30.8
1972,32.3,32.8,32.2,31.6,30.9,29.4,28.4,27.5,29.3,30.1,31.4,31.7
1973,31.6,33.3,32.5,32.5,31.3,29.6,29.4,28.5,29.2,30,31.6,30.8
1974,31.3,31.9,32.2,31.3,30.5,29.2,28.3,28.3,28.5,29.4,30.8,31.5
1975,32.8,32.3,31.9,31.6,30.6,29.3,28.4,27.3,28.6,29.6,30.1,31.1
1976,31.4,31.4,31.5,30.6,30.6,28.4,27.7,27.4,29.6,29.2,29.8,31
1977,30.7,32.5,32.5,31.8,31.7,28.5,28.1,27.9,28.7,29.9,31.2,31
1978,33.1,32.5,31.8,30.5,30.7,29.2,28.6,28.5,29.2,29.4,31.1,31.9
1979,32.5,32.8,32.3,31.6,31,28.7,28.1,27.9,29,29.9,30.7,31.3
1980,32.1,32.3,32.4,31.8,30.8,29.7,28.4,27.9,29.4,30.3,31.1,30.3
1981,31.3,33.6,32.7,32.8,31.2,30.5,27.9,28.4,29.3,29.7,31.1,32.4
1982,31.8,33.1,32.6,32.4,31.3,28.9,27.5,27.4,28.7,29.8,30.8,32
1983,32.5,34.8,34.3,32.3,31.2,29.3,27.8,28.2,28.9,29.6,30.8,30.7
1984,32.8,32.9,32.6,32.3,30.5,30,29.2,29.2,29.6,30.2,31,32.2
1985,31.7,33.9,32.5,31.6,30.4,29.3,28.8,29.2,29.4,30.5,31,30.9
1986,31.8,32.6,31.6,31.9,31.4,29.2,27.4,28.1,28.8,29.6,30.6,31.5
1987,33.1,33.8,32.2,33.3,31.7,30.6,29.6,29.3,30,29.7,31.9,32.5
1988,32.4,33.7,32.6,32.1,31.7,29.6,28.8,28.4,28.6,30.1,31.7,31
1989,33.2,34.5,32.4,31.1,31.8,30.4,28.8,29.6,29.2,29.6,31.5,32.2
1990,31.4,33.1,34.6,31.7,30.9,30.7,27.8,28,29.4,30,31.2,30.8
1991,32,32.6,32.4,31.5,30.8,30.4,28.9,28.4,29.6,29.6,31.2,31.7
1992,32,34.3,33,32.4,31.1,29.3,28,28.4,28.4,29.6,31.3,32.5
1993,32.5,33.6,32.4,32.2,31.5,29.4,28.1,28.8,29.7,30.4,31.7,32.2
1994,31.7,32.7,32.6,31.8,31.1,29.9,28.4,28.5,29.2,30.1,31.8,31.5
1995,33.3,33,31.8,32.4,31.6,30.3,29.3,28.9,29.4,30.3,32.1,32.5
1996,31.9,33.8,32.9,31.9,30.4,29.9,29.4,28.7,29,30.1,31.2,31.6
1997,32,33.9,32,30.7,30.9,29.6,27.7,29.1,30.4,31,31.8,32
1998,32.6,34.8,34.6,33.1,31.4,31.1,28.7,28.7,29.9,30.7,32.2,32.4
1999,32,33.3,32.4,32,31.2,30.3,28.8,28.9,28.8,29.4,31.6,32.7
2000,32.2,33.1,33.4,32.1,31.7,30.1,28.6,28.3,29.6,31.1,31.7,32.7
2001,32.2,33.3,32.8,31.8,31.1,29.9,29,28.1,28.5,29.6,32.1,32.6
2002,32.2,33.4,32.5,31.9,31.6,30,29,29,29.2,29.8,31.8,32.2
2003,32.3,34.4,33.2,32.3,31.7,29.7,28.4,28.8,29.8,30.5,31.9,32.5
2004,32.4,33.1,32.9,31.9,30.9,29.6,28.2,28.7,29.3,30.2,31.6,32.8
2005,32.2,34.3,33.4,32.5,31.3,29.3,28.2,28.7,29.6,30.4,31.5,32.4
2006,33.1,33.6,32.4,32.5,31.2,30.5,29.2,29,29.3,30.4,31.4,31.6
2007,31.9,33.6,32.7,31.7,31.3,29.7,28.9,29.3,29.6,30.2,31.8,32.1
2008,31.4,33,32.5,31.9,31,30,28.8,28.9,29.6,30.5,32,32.6
2009,32.6,33.4,33.1,32.4,31.9,30.3,28.6,28.5,29.5,30,31.2,32.9
