1901,31.9,34,34.4,33,31.6,30.5,29,28.4,30.1,30.9,31.8,32.6
1902,32.4,33.5,33.2,32.1,31.8,31.1,29.3,28.6,29.3,30.6,31.3,31.9
1903,32.1,33.5,33.9,33,32.2,30.5,28.8,27.9,29.8,30.9,31.6,31.9
1904,31.4,33.2,32.8,32.1,31.5,30.4,28.4,28,29.5,30.5,31.4,31.8
1905,32.3,33.4,33.7,33.2,32.1,30.2,28.7,28.3,29.4,30.9,31.7,32.6
1906,32.3,34,34.4,33.4,31.9,30.5,28.7,28.2,29.5,30.5,31.8,31.6
1907,32,33.5,33.8,32.7,31.6,30.6,28.8,28.4,29.6,30.6,31.5,31.9
1908,32,33.3,33.3,33,31.4,30.2,28.5,27.8,29.1,30.5,31.5,32.2
1909,32,33.5,33.7,32.5,31.4,30.3,28.6,28.3,29.8,30.9,31.5,31.9
1910,31.2,33.6,33.9,33.5,32,31.3,28.8,28,29.8,30.8,31.5,32.3
1911,32.6,33.6,33.7,33.2,31.4,30.1,28.6,27.7,29.4,30.5,31.5,31.9
1912,32.1,33.4,34,33.1,32.6,30.8,29,28.1,29.4,31,31.7,32.3
1913,32.4,32.7,32.8,32.9,31.7,31.6,29.2,28.1,29.5,30.5,31.3,31.1
1914,31.7,33.3,33.2,32.7,31.8,30.6,28.7,27.6,29.5,31.2,31.6,32.1
1915,31.9,33.7,34,33.6,31.7,31.1,28.9,28.5,29.9,31.2,31.8,32
1916,32.6,34,34,32.7,32.1,30.7,28.3,28.3,29.5,30.7,31.5,31.6
1917,32.1,32.4,33.4,33,31.7,30.6,29.3,28.1,29.3,30.8,31,31.7
1918,31.7,33.3,33.5,32.1,31.4,29.8,28,27.6,30.2,30.7,31.6,31
1919,31.9,33.4,32.5,31.5,30.4,29.8,27.8,27.7,28.8,30.4,31.6,32
1920,32,33.4,32.9,32,31.3,30.2,28.2,27.7,29.1,30.2,30.9,31.8
1921,31.3,33.2,33.1,31.8,30.2,29.1,28.7,28.2,29.6,31.1,31.1,31.7
1922,32.1,33.4,33.6,31.8,31.4,30.5,28.7,27.8,29.2,30.2,31.1,31.4
1923,32.3,33.1,33.3,32.3,31.5,30.6,28.6,28.1,29.4,30.5,31.4,32.6
1924,32,32.1,33.5,32.9,31.6,30,28.2,27.5,28.5,29.8,30.2,30.9
1925,30.6,32.7,32.9,32.5,31.6,30.2,28.2,28,28.8,30,30.7,31.6
1926,31.3,33.1,34,33.3,32.3,30.6,28.7,28.5,29.7,30.7,30.9,31.7
1927,31.3,33.1,33,32.2,31.3,30.2,28.6,28,29.3,30.3,30.9,32.1
1928,31.3,32.3,33,32.8,30.9,30.1,28.3,27.2,29,29.6,30.8,31.3
1929,31,33.6,32.7,32.4,30.9,29,28.2,27.5,29,29.9,30.7,30.9
1930,31.2,33.6,31.6,32,30.3,29.8,27.8,27.3,28.6,29.6,30.8,31.3
1931,31.1,32.7,32.7,32.2,30.6,29.4,27.6,27.1,28.2,29.7,30.1,31.2
1932,30.7,32.8,32.8,32.7,30.9,30,27.9,27.7,28.9,30.4,30.9,31
1933,31.7,32.8,33.4,32.9,32.2,29.8,27.8,28.7,29.8,29,31.3,29.5
1934,29.6,30.7,32.4,33.2,30.3,30.3,28.8,28.2,29.7,30,31,31.1
1935,31,33,31.7,32.9,31.1,29.8,28,27.7,28.9,30,30.4,30.9
1936,31.2,33.2,33,32.8,30.7,29.4,27.5,27.7,29.2,30.4,30.9,31.7
1937,31.9,33.8,33.1,33.2,31.2,30.5,28.2,27.6,28.9,30,30.8,31.6
1938,31.4,33.6,32.8,32.8,30.9,29.9,28.2,27.1,28.8,30.6,31,31.8
1939,31.7,32.6,32.8,32.5,31.1,30.6,29.4,28.6,29.2,29.7,30.4,31
1940,31.1,31.5,32.7,32.8,32.4,31,29,28.5,30,30.4,30.8,31.1
1941,31.1,31.7,32.7,32.1,31.9,30.7,29.3,28.8,29.8,31.4,31.5,31.7
1942,31.7,31.9,32.8,32.2,31.4,31.1,28.9,28.2,30.2,31,31.5,31.2
1943,31.6,33.1,33,32.1,31.6,30.7,28.9,28.2,29.3,30.5,31.5,31.2
1944,31.4,32.4,33,31.7,32.2,31.4,29.6,28.5,29.8,30.7,31.4,31.9
1945,32.4,32.6,33.5,32.5,32.3,31.1,28.9,28.2,29.7,30.5,31.4,31.6
1946,31.5,32.6,33,32.7,31.6,30.9,28.7,28.3,29.3,30,31.4,31.6
1947,31.1,32.4,32.3,31.3,31.3,30.3,28.9,28,29.7,30.4,31.1,30.7
1948,30.5,32.3,32.7,32,30.8,29.7,28.6,27.6,28.9,30,30.6,31.6
1949,31,32.9,32.7,32.1,31.3,30.4,28.7,28.3,29.1,29.4,30.4,30.3
1950,30.5,33,33,32.1,31.5,31,28.4,28.3,29.1,29.7,30.5,31.5
1951,31.3,31.9,32.2,31.9,30.9,30.1,28.5,28,29.3,29.8,30.8,31.2
1952,31.1,32.5,33,32.6,31,29.9,28.4,27.7,29.3,30.2,30.5,31.1
1953,31.9,32,32.8,32.4,31.4,29.5,28.3,28.1,29.5,30.2,31.2,31.8
1954,31.3,31.8,32.3,31.9,30.8,29.6,27.7,27.2,29.4,29.7,30.4,31.2
1955,31.8,32.8,32.2,31.1,31,29.9,28.2,28.2,29.3,30.1,30.8,30.1
1956,30.7,31.9,32.1,31.4,30.4,29.5,27.6,27.5,29.8,29.8,30.6,30.4
1957,29.9,31.8,32.4,31.5,31.2,30,28.2,28.2,29.2,29.7,30.8,31.5
1958,32.3,32.7,32.9,32.6,30.8,29.7,28,27.7,28.9,30.1,29.5,30.5
1959,30.5,31.9,32.5,31.6,30.8,30.1,28.2,27.7,29,29.7,30.4,30.6
1960,30.7,32,32.8,31.6,31.3,29.7,28.3,28.4,29.2,29.9,31.4,31.1
1961,30.6,32.6,32.8,31.7,31.6,29.7,27.6,27.6,29.1,30.1,31,30.8
1962,31.3,31.9,32.4,31.8,31.1,29.6,28.7,27.7,28.8,29.7,30.1,30.6
1963,31,31.7,32.6,32.2,31.4,30.2,28.6,28.2,29.4,30.2,30.9,30.9
1964,31,31.9,32.9,31.9,31.3,30,28.3,27,28.3,29.7,30.2,30.2
1965,29.7,30.7,32.4,31.6,30.8,29.7,28.2,28.1,28.7,30.2,30.7,30.6
1966,30.3,31.9,33,32.5,31.6,30,28.9,28.1,28.9,29.8,30,31.1
1967,30.8,32.1,32.1,32.4,31,29.8,27.9,27.6,28.8,30.2,30.5,31
1968,31,31.5,32.1,31.7,30.9,30,28.5,28.6,29.2,30.2,30.4,31.8
1969,31.7,32.3,33.5,33.2,32.1,30.2,28.3,27.9,29,29.7,31.1,32.3
1970,31.9,33.3,33.5,33.1,31.3,30.6,28.6,28.1,28.9,30.4,30.7,31.5
1971,31.3,32.2,31.9,32.5,31.3,30,28.2,27.8,28.3,30.1,30.5,30.8
1972,31.2,34,32.2,33.1,31.7,29.7,28.9,28.8,29.5,30,31.4,31
1973,31.2,33.9,33.5,33.7,31.7,30.5,29.1,28.7,29.7,30,31.2,31.2
1974,30.9,32.8,32.6,32.9,31.1,30.5,28.1,28.4,29.3,30.7,30.1,31.2
1975,31.1,32.8,32.7,32.7,31,30.1,28.1,27.8,28.7,29.2,31.2,31.6
1976,30.8,32.6,32.5,31.8,31,29.4,28.3,27.9,29.3,29.5,30.3,31
1977,31.4,32.9,33,33,31.5,30.2,28.7,28.1,29.3,30.3,31.9,31.3
1978,32.2,32.2,32.4,32.4,31.2,29.8,28.2,28,29.3,30.2,30.6,30.8
1979,31.8,32.7,32.8,32.5,31.5,30.2,28.5,28.6,29.5,30.4,31.1,30.6
1980,31.7,32,32.6,32.7,31.6,30.5,28.9,28.6,30,31,30.6,30.3
1981,29.6,33,33.2,33.3,31,30.5,28.6,28.6,29.9,30.5,31.8,31.4
1982,31.1,31.8,33,33.2,31.4,30.5,28.5,28,29.6,30.3,31.2,30.2
1983,30.6,33.2,33.9,33.1,32.2,30.1,29.1,28.3,29.6,30.9,31.7,31.4
1984,30.9,32.8,33.1,32.7,31.2,30.3,28.5,28.4,29.5,30.5,31.1,30.8
1985,30.6,32,32.7,31.6,31.2,29.8,27.8,27.6,29.2,29.9,31,29.9
1986,30.2,32.2,32,31.8,31.2,30.9,27.9,27.8,29,29.6,30,30.1
1987,30.7,31.7,32.4,32.9,31.5,31.2,29.7,28.9,29.7,30.6,31.6,30.9
1988,31.7,32.4,32.5,32.8,31.8,30.5,27.9,28,29.1,30.6,30.9,30.3
1989,30.8,32.6,32.5,32.3,31.4,30.3,29,27.7,29.6,30.2,31.4,30.8
1990,31.5,32.5,33.3,32.4,31.4,29.6,28.7,28.6,29.9,30.7,31.4,31.6
1991,30.1,32.9,33.3,32.4,31,31,28.6,27.8,29.3,30.6,31.1,31.8
1992,31.2,32.4,32.7,32.4,30.3,30.3,28.2,28.2,30.4,31,30.7,31.4
1993,31.2,32.6,32.8,31.7,31.4,30.3,28.7,28.6,29.7,30.9,30.8,31.7
1994,31.7,32.6,32.4,32.2,31.1,30.4,28,28.3,28.8,30.4,30.2,30.7
1995,30.7,31.2,33.2,32.8,31.8,31,28.9,28.7,29.8,30.9,31.9,30.8
1996,31.4,32.2,32.2,31.8,32.1,30.4,28.8,28.2,29.4,30.3,31.5,31.7
1997,31.5,32.4,33.2,31.7,31.7,30.2,28.6,28.5,29.8,30.8,31.9,31.7
1998,31.8,34.8,34.3,33.4,31.8,30.8,29,28.6,29.6,31.2,32.1,31.5
1999,32.1,33.4,32.9,31.6,31.8,30.4,29.1,28.9,29.6,29.9,31.5,32.2
2000,32.1,32.7,33.2,33.4,31.7,30.3,28.8,28.8,29.4,30.1,30.7,31.2
2001,31.2,33.3,33.6,32.8,30.8,30.5,28.6,28.8,29.4,30.8,31.1,31.6
2002,31.8,33.1,31.1,32.1,32,30.5,28.9,28.7,29.8,30.5,31.3,32
2003,31.3,33.3,34,32.8,32.5,30.4,28.6,28.3,29.6,30.8,31,31.6
2004,31.7,32.7,33.4,33.4,32.3,29.7,28.3,28.7,29.7,31.2,31.6,32.6
2005,32.8,33.4,33.8,32.4,32,31.5,28.8,28.9,30.2,31.1,32,32.9
2006,32.5,33.3,33.3,32.6,31.8,30.8,29.2,28.7,30,30.9,32.4,32.2
2007,32,33.2,33.7,32.9,32.2,30.6,28.8,28.3,29.2,30.9,32.1,31.7
2008,30.9,33.2,32.9,32.7,32,30.2,29,28.2,29.6,29.8,31.6,31.9
2009,30.7,33,33.6,32.6,31.6,30.7,28.9,28.4,29.6,31,30.6,31.8
