1901,31.9,32.5,32.7,34,32.3,30,29,29.4,30.7,30.8,30.9,30.3
1902,30.7,31.6,33.4,34,33,30.8,29.1,29.8,29.7,30.3,30.9,31.2
1903,31.6,32.5,33.7,34.1,32.5,30.3,29,29,29.7,30.4,30.1,29.9
1904,30.4,31.3,32.8,33.7,32,28.8,28.3,29,29.9,30.7,30.5,30.2
1905,31,32.3,33.3,33.3,32.5,30.1,29.4,29.4,30.1,30.6,31.1,30.6
1906,31.7,32.9,33.2,35,33.3,30.3,28.9,28.9,29.5,30.5,30.9,30.5
1907,30.7,31.9,33.2,32.9,32.5,29.8,29,28.4,30.1,30.8,30.8,30.5
1908,31.1,31.5,32.6,34.2,32.3,30.1,28.5,28.8,29.9,30.7,30.6,30.5
1909,30.9,32,33.1,33.7,32,30.2,29.1,29,29.4,30.8,31.1,31.1
1910,31.2,32,33.3,34,32.9,30.1,29.1,28.7,29.1,30.3,29.9,29.6
1911,31.1,31.1,33.3,33.9,32.9,30.1,28.9,29.3,30.6,30.6,31.2,30.8
1912,30.4,32.9,33.8,34.3,33.4,30,29,29.2,30.2,30.4,30.6,30.1
1913,30.4,32.3,33.4,34.2,33.1,30.2,28.8,29.2,30.6,30.4,30.8,31.1
1914,30.8,32.3,33.7,34.2,33.1,30.7,29.1,29,30.6,30.7,31.2,31.1
1915,31.7,32.6,33.3,34.1,33.1,30.8,29.2,29.9,30.3,31.1,31.2,30.5
1916,30.7,32.4,33.8,34.6,32.8,29.4,29.2,29,29.5,30.4,30.6,29.8
1917,30.4,31.5,32.5,33.9,32.2,29.3,29.3,29,29.5,29.8,30.7,30.3
1918,30.3,30.8,32.3,33.7,31.3,29.8,29.7,29.2,30.1,31.3,31.8,30.8
1919,31.9,32.8,33.4,34.8,32.5,29.7,28.9,29,30,30.8,30.8,30.9
1920,30.7,32.4,33.7,33.6,33,29.8,28.9,29,29.9,30.7,30.7,30.4
1921,31.9,31.8,33.7,33.4,33.2,30.3,29.1,29,29.6,30.5,30.5,30.2
1922,31.1,31.7,33.6,34,32.2,29.8,28.4,29.1,29.8,30.3,30.5,29.7
1923,30.7,31.6,32.7,34,32.6,30.2,28.2,28.6,29.6,30.8,31.5,31.2
1924,31.3,32.6,33.4,34.5,33.2,29.6,28.5,29,30,30.7,30.9,30.6
1925,31.4,32,33,34.4,31.6,30,28.9,29,30.4,30.7,30.9,30.8
1926,31.6,32.3,34.1,34.3,33.3,30.6,29.7,29.5,30.1,30.9,31.2,31.4
1927,32,32.9,33.9,34.6,32.7,29.8,28.5,29.3,30.1,30.7,31,31.5
1928,31.9,32.6,33.5,34.4,33.8,30.5,28.8,28.9,30.5,30.7,31.2,30.9
1929,31.5,32.3,33.3,33.3,32.6,29.8,29.2,29.7,30.5,30.6,31.1,31.1
1930,31.4,32.2,33.3,34.2,32.1,30.3,29.5,29.5,30.3,30.7,31.2,31.2
1931,31.3,32.5,33.9,34.5,33.8,30.7,29.4,29.3,29.7,31.1,30.8,30.7
1932,30.3,31.7,32.7,34.1,32.1,30.3,28.9,29.5,29.9,30.5,30.6,30.4
1933,31.2,32.2,32.9,33.7,31.5,29.4,28.6,28.7,29.3,29.9,30.9,30.5
1934,30.9,31.4,32.7,33.8,32.9,30.1,29.2,29.4,30.6,30.9,30.1,30.2
1935,31.3,32.1,33.5,33.7,33.7,30.5,28.8,28.8,29.4,30.6,30.2,30.7
1936,31.5,32.6,33.1,34.3,32.6,29.3,28.8,29,30.2,30.7,30.8,31.2
1937,31.3,32.9,33.8,33.1,33,30.1,28.6,29.8,30.6,30.5,30.6,30.5
1938,31.5,32.8,33.8,33.9,33,29.9,28.7,28.9,29.7,30,30.4,30.9
1939,30.6,31.7,33.1,33.2,33,30,28.6,29,30.1,30.8,30.4,30.5
1940,29.7,31.9,33.4,33.5,32.2,30.1,29,28.9,30.4,30.9,30.5,30.7
1941,31.5,32.3,34,34.6,33.2,30.2,29.7,29.7,29.9,31.1,31.3,30.9
1942,31,32.3,33.5,34.2,33.3,30.3,28.9,29,29.9,30.7,30.4,30.9
1943,31.2,32.1,33.3,33.1,31.8,29.2,28.3,28.9,29.2,29.6,30.5,30.3
1944,31.2,31.9,32.1,33.5,32.9,30.1,28.8,29.8,30,30.8,30.9,30.4
1945,31.2,32.7,33.4,33.6,33.3,30.4,29.1,29.2,30.1,30.8,30.6,30.7
1946,30.2,31.4,33.4,33.8,32.9,30.1,29.1,29.1,29.8,30.8,30.8,30.4
1947,31.4,31.7,33.5,33.1,33.3,30.4,29,29,29.3,30.3,30.7,30.8
1948,31.6,32.5,33.3,34.1,32.5,30.2,29,29.2,30,30.7,31.3,30.8
1949,30.7,31.8,33.5,34.1,32.5,29.9,28.7,29.1,29.3,30.9,30.4,30.1
1950,30.7,32.2,33.3,33.9,33.4,29.9,28.4,29,29.2,30,30.3,30.3
1951,30.9,31.4,32.8,33.3,32.5,29.2,28.5,29.7,30.5,30.9,31.2,30.3
1952,31.2,32.3,33.2,34,32.4,30,29.2,29.2,30.1,30.2,30.6,30.3
1953,31,31.1,33.7,33.1,33.5,30.9,28.4,29.4,29.9,30.6,30.3,30.3
1954,31.3,32.1,32.8,34.1,32.5,29.8,28.4,28.7,29.5,30,30,30.4
1955,30.4,31.9,32.9,33,30.9,28.4,28.3,28.7,29.7,30.5,29.8,29.9
1956,30.1,30.9,33.3,33.8,31.6,28.7,27.7,28.6,29.1,30,30.5,30.4
1957,30.9,31.8,32.6,33.3,32.2,29.3,28.4,28.7,29.9,30.3,30.6,30.6
1958,31.3,32,33.3,33.3,31.6,30.2,28.8,28.7,30.1,30.3,31.1,30.8
1959,31.7,32.2,33.8,33.8,32.7,29.3,28,29.3,29.9,30.6,30.7,30.8
1960,31.3,31.5,33.3,33.4,31.7,30.1,28.6,29.3,28.9,30.5,30.1,30.7
1961,30.5,31.7,33.6,34.2,31.5,29.2,27.8,28.6,29.9,30.7,30.9,30.6
1962,30.9,31.2,32.9,32.8,31.7,30.8,28.8,28.7,29.5,29.6,31.1,31
1963,30,31.2,32.6,33,32.8,30,29.3,29.2,30.4,30.8,30.7,30.9
1964,31.8,32.4,33.6,34.7,33.5,30.7,28.9,28.8,29.2,31,30.2,30.8
1965,30.9,31.2,32.8,33.1,32.4,30.7,29.6,29,30.6,31.7,31.5,30.4
1966,31.5,32.6,33.8,34.3,33,30.5,29,30,29.9,30.4,31.1,30.8
1967,31.1,31.8,32.9,34.3,32.7,29.9,28.3,28.7,29.6,29.5,30,30.7
1968,31,31.9,32.3,32.9,32.9,29.8,27.9,29.3,29.5,30.7,30.6,30.7
1969,31.1,32.4,34,34.4,32.5,30.6,28.9,29.2,29.9,30.3,30.9,30
1970,31.3,31.9,33.3,33.5,31.7,29.5,28.6,28.4,29.5,29.9,29.7,30.5
1971,31,31.6,32.2,33.5,31.7,28.8,28.4,28.5,29.4,30.1,30.3,29.3
1972,30.3,32,33.3,34,31.8,31.2,29.5,29.7,30.4,30.7,31.3,31
1973,32.1,33.3,33.9,34.5,33.5,30.4,29.1,28.2,30.1,30.4,30.9,30.1
1974,31.1,32.3,33.8,34.1,32.3,30.4,29,28.8,29.3,30.6,31.4,31.4
1975,31.3,32.7,32.8,34.4,32.1,29,28.6,28.1,29.1,29.8,29.9,30.4
1976,30,31.1,34,33.3,32.9,31.3,29.5,29.2,30.2,31.1,30.3,31.2
1977,32.1,32.1,33.4,33.8,31.2,30,29.3,29.9,30.8,29.9,30.7,31.1
1978,31.5,32,33.6,34,32.3,29.2,28.5,28.2,29.7,30.8,31.2,30.1
1979,31.2,32,33.1,34.4,32.9,30,28.2,29.1,29.4,31,30.1,31.1
1980,31.6,32.2,33.2,33.9,33.4,29.8,29.3,29.2,30.6,31,31.3,31.7
1981,31.1,32.4,33.5,34.3,33,29.1,29.7,29.3,29.4,30.4,30.8,30.6
1982,31.2,32.5,34,34.5,32.7,30,29.5,29.6,30.8,31.7,30.9,30.9
1983,31.7,33.6,34.7,35.3,33.6,31.3,30.1,29.2,29.8,31.4,31.5,31.3
1984,30.5,31.8,31.7,33.2,33.8,30,29.2,29.9,30.4,30.6,31.1,31.5
1985,31.3,32.9,34.2,34.5,33.5,29.5,29.4,29.7,30.9,31.1,30.5,31.2
1986,30.8,32,33.5,35.2,33.7,30.3,29.9,29.1,30.1,31.9,31.5,31.2
1987,31.8,32.4,33.2,34.4,33.4,31.4,30.6,30.2,31.7,31.4,31.9,30.7
1988,31.7,33.7,34.4,33.5,33.7,31.2,29.7,29.4,30.2,32.1,31.2,32.1
1989,31.7,33,33.2,34.5,33.7,30.1,29,29.8,30.4,31.3,31.3,31.7
1990,31.3,32.7,33.8,35.2,32.1,30.6,29.6,29.6,31.2,31.3,31.4,31.4
1991,32.2,32.7,34.7,34.6,33.9,29.9,29.1,29,31.3,30.7,31,31.3
1992,31.1,33.3,34.2,35,33.1,30.4,29,29.5,30.7,31.3,31.1,31.2
1993,32,33.1,34.1,35.1,34.2,31.1,29.3,30.5,30.8,31,30.7,30.3
1994,32.2,33,34.5,34.1,33.8,30.7,29.2,30.1,31.2,31,30.8,30.9
1995,32.1,33.6,34.1,34.5,32.4,31.5,29.5,30,30.9,31.8,32,31.1
1996,32.5,33.2,34.1,34.6,34.5,30.6,29,29.4,30.1,31.6,31.5,31.1
1997,32.1,33.5,34.4,33.5,33.8,31.8,29.8,30.1,31,32,31.7,31.8
1998,33.5,34.3,34.8,35.3,34.3,31.8,29.7,30,30.4,31.4,31.8,31
1999,32.7,33.3,35.4,34.5,31.6,30.5,29.1,30,31.7,31,31.9,31.9
2000,32.1,32.6,34.3,34.6,33.4,29.7,29.8,28.7,30.5,31.4,32.2,31
2001,32.3,33.7,34.5,34.4,33,30.7,29.7,29.5,30.8,31.1,31.6,31.3
2002,32.4,32.4,34.2,34.7,33.2,30.9,30.3,30,31.6,31.6,31.6,31.6
2003,32.2,33.7,34.2,34.6,34.2,31.5,30,30.3,31.2,31.4,31.5,31.4
2004,32.2,32.9,34.5,34.7,31.5,30.3,29.5,29.9,30.5,31.2,31.3,31.7
2005,32.8,33.6,34.6,33.9,33.6,31.1,29.8,30.3,30.6,31.3,30.9,31.4
2006,32,32.4,33.9,34.8,32.8,30.8,29.8,30.2,31,31.4,31.6,31.5
2007,32.3,32.8,34.6,34.6,33.6,30.9,30,29.9,30.5,31.3,31.5,31.4
2008,32.4,33,32.5,33.8,33.4,30.6,29.6,29.9,30.6,31.2,31.7,31.6
2009,31.7,33.3,34.4,34.8,33.3,30.8,29.5,30.2,30.8,31.7,31.9,32.1
