1901,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1902,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1903,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1904,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1905,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1906,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1907,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1908,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1909,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1910,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1911,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1912,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1913,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1914,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1915,32.3,32.9,34,33.9,33.1,31.8,32.3,31.9,31.2,31.4,30.8,31.4
1916,32.4,32.9,34,34,33,31.7,32.2,31.7,31.2,31.2,30.7,31.2
1917,32.2,32.7,34,33.9,32.9,31.5,32.1,31.7,31.1,31.2,30.7,31.3
1918,32.2,32.9,33.8,33.8,32.7,31.5,32.1,31.8,31.1,31.3,30.7,31.3
1919,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1920,32.3,32.9,34,33.9,32.9,31.6,32.1,31.7,31.1,31.2,30.7,31.3
1921,32.3,32.9,33.9,33.8,32.8,31.5,32.1,31.6,31.1,31.1,30.7,31.3
1922,32.3,32.8,33.9,33.9,32.8,31.5,32,31.7,31.1,31.1,30.6,31.2
1923,32,32.6,33.9,33.9,32.8,31.5,32,31.6,31.2,31.1,30.7,31.3
1924,32.4,33,34.3,34.1,32.9,31.4,31.9,31.8,30.9,31.1,30.6,31.2
1925,32.1,32.7,33.6,33.8,32.9,31.6,31.9,31.6,30.9,31.3,30.7,31.4
1926,32.4,33.1,34.1,34.3,33.2,31.7,32.1,31.6,31,31.2,30.7,31.2
1927,32.2,32.7,33.9,33.6,32.7,31.4,31.7,31.7,30.9,31.2,30.7,31.1
1928,32.2,32.9,33.9,33.9,32.9,31.5,32.1,31.6,31,31.2,30.6,31.2
1929,32.3,33,34.1,33.8,32.8,31.5,32,31.6,31.1,31.3,30.7,31.2
1930,32.3,32.9,34.1,33.9,32.8,31.5,32,31.6,31.1,31.1,30.8,31.3
1931,32.7,33.3,34.4,34.3,33,31.7,31.9,31.9,31.3,31.6,30.5,31.6
1932,32.7,33.2,33.9,34.3,32.9,31.4,31.8,31.7,31.2,31.1,30.3,31.5
1933,32.8,33.2,33.8,34.2,32.9,31.4,32.2,31.4,31.1,30.9,29.8,30.7
1934,32.1,32.4,33.1,34,32.4,31.4,31.8,32,31.4,31,30.6,31.5
1935,31.9,32.1,34,34,32.6,31.5,32.1,31.7,31,31.2,30.5,31.4
1936,32.9,33.7,34.8,34.4,33.1,31.6,31.9,31.8,31.4,31.4,31.2,31.3
1937,32.9,33.3,34.4,34.3,33,31.7,32.2,31.7,30.9,31.1,30.3,31.5
1938,32.3,32.8,33.8,33.4,32.7,31.5,31.9,31.6,31,31.1,30.6,30.9
1939,32.5,32.8,33.6,33.5,32.8,31.4,32,32,30.9,31.3,30.4,31.5
1940,32.4,33,34,33.8,32.8,31.6,32.3,32.2,31.2,31,30.6,31.2
1941,32.9,33.6,35.1,34.5,32.9,32.2,32.2,32.2,31.4,31.6,30.8,31.6
1942,32.1,33.5,34.2,34.2,33.3,31.7,32,31.6,31.1,31.1,30.6,31.3
1943,32,32.1,33,33.4,32.8,31.5,32.3,31.7,31.7,31,30.6,31.4
1944,32.3,33.1,34.5,34.5,32.3,30.9,32.4,31.9,30.9,31,30.8,31.1
1945,32.8,33.6,34.5,33.6,32.2,32.1,32.2,31.6,31.3,30.8,30.5,31.4
1946,32.6,33,34,33.9,33.2,32.3,32.6,32.1,31.4,31,30.5,31.2
1947,32.5,32.9,34.3,34.1,32.6,31.5,31.9,31.5,30.9,31.1,30.9,31.2
1948,32.1,32.8,34.4,33.3,32.8,31.4,31.6,31.4,31.3,31.5,30.9,31.4
1949,31.5,32.6,33.8,33.8,32.9,31.3,31.5,31.2,31.2,31.4,30.5,31
1950,31.7,32.3,33.5,33.2,32.3,30.8,31.3,30.9,31,30.7,29.9,30.7
1951,32.2,31.9,33.8,34.4,33.8,32.6,32.5,32.4,32.2,31.6,31,31.6
1952,32.7,32.8,33.7,33.8,32.5,31.6,31.7,32.7,32.3,31.1,31.6,31.1
1953,31.9,32.4,33.9,34.6,33,32.1,32.7,32.6,31.3,31.7,31,32.1
1954,32.5,32.7,34,33.6,32.1,30.1,30.8,30.8,30.9,29.9,31.9,30.9
1955,32,32.8,33.5,33.2,32.7,31.3,31.3,31.7,31.2,30.5,30.6,30.8
1956,32.3,33.9,35.9,35.6,33.6,32.2,32.5,32.8,31.7,32.1,31.4,31.9
1957,33.4,34.3,34.7,35.1,34.4,33.6,33,33,32.7,32.5,31.9,31.9
1958,33,33.7,35.3,34.9,34.3,32.9,33,32.8,32.7,32.4,31.6,31.8
1959,32.4,34.1,35,34.2,33.7,31.9,33.4,32.7,32.8,32.3,31.5,32
1960,32.9,33.6,34.3,35.1,33.6,32.5,33.1,32.9,32.5,31.9,31.6,31.8
1961,32.5,33.6,34.4,34.7,33.1,31.6,31.5,32.1,30.5,31.1,30.9,31.2
1962,32.3,32.9,34.1,34.1,32.2,30.9,31.3,31.6,31.3,30.5,30.7,31.2
1963,32.3,33.2,34.6,33.7,33.2,32.4,32.8,32.8,31.7,31.9,31,32
1964,32.9,34,34.9,34.3,33.3,31.1,31.5,31.4,30.9,30.9,31.7,31.4
1965,32.4,34,34.6,34.3,33.7,32.9,33.2,31.9,31.7,32.2,31.8,31.5
1966,33.6,34.6,34.9,34.9,32.7,31.9,32.5,32.5,31.8,30.8,30.9,31.3
1967,33,33.4,33.5,33.5,33.8,31.5,32.2,32,31.1,32.1,30.5,32
1968,33.1,32.1,33.3,32.8,32.3,31.2,32.5,32.2,31.4,31.3,30.3,31.4
1969,31.7,32.8,34.7,34.4,33.7,31.9,33,31.6,31.7,30.8,30.8,31.5
1970,32.6,32.6,34.6,34.4,32.5,31.8,31.6,31.4,31,30.9,30.1,31
1971,31.7,32.7,33.7,33.5,32.6,31.5,31.7,31.1,30.4,31,30.4,31.3
1972,31.9,33,34,34.3,33.2,32.5,33.1,32.3,31.5,32.2,31.7,32.3
1973,33.4,33.7,35.1,34.4,33.1,31.4,32,31.4,30.7,30.7,30.5,30.6
1974,31.8,32,33.1,33.6,32.2,30.9,31.5,31.2,30.2,30.3,30.3,30.8
1975,32,29.9,31.6,31.4,31.3,29.9,29.4,29.8,29.5,30.4,29.5,29.8
1976,31.5,32,33.3,31.7,31.4,30.4,31.1,30.4,30.5,30.2,31.1,31.6
1977,29.8,30.4,31.9,32,31.7,30.5,30.7,30.3,30.3,30.1,29.5,31.8
1978,31.2,32.7,33.7,33.8,32.8,31.4,31.7,31.2,30.9,31.1,31,31
1979,32.4,33.2,33.9,33.8,32.8,31.5,32.3,31.6,30.8,31.4,30.6,31.2
1980,31.6,32.2,33.5,33.9,33.3,31.9,32.3,31.8,30.7,31.9,30.3,31
1981,32.2,32.4,33.8,33.5,32.6,31.3,32.2,31.4,31.4,31.3,30,31.4
1982,32.6,33,33.8,33.7,32.4,32,32.8,33.3,31.8,31.5,30.7,32
1983,33.3,34.7,34.9,34.7,34.2,32.6,33.3,32.7,31.6,31.3,30.5,31
1984,31.8,32.1,34.1,34,32.5,31.7,31.7,31.5,30.7,31.2,29.8,30.8
1985,32,32.2,33.7,33.5,32.8,31.8,31.7,31.4,30.9,31,30.3,31
1986,32.1,32.2,33.3,33.3,32.8,31.7,33.1,32.3,31.7,31.3,30.8,31.7
1987,32.6,32.7,34.5,33.3,33.2,32.6,32.6,32.5,32.1,31.9,31.2,31.8
1988,33,32.6,33.3,34,33,31.4,32.1,31.3,31.2,31,30.4,30.9
1989,32.3,31.3,32.5,33,32.6,31.3,32,31.4,30.8,31.3,30.9,30.9
1990,32.8,32.4,33.4,33.6,33.4,32.4,32.2,32.2,31.8,31.1,30.8,31.5
1991,33.5,33.1,34.6,33.9,34.1,32.4,33.9,33.2,33,32.7,30.7,32.4
1992,33.6,33.1,34.2,34.1,34.7,33.5,33.4,32.2,32.3,32.6,31.3,32.5
1993,33.4,32.6,33.9,35,34,33.3,34,33.4,32.3,32.9,31.5,32
1994,33.1,33,34.3,34.1,34.1,33.2,33.9,33.1,33.2,32.8,31.2,32.7
1995,33.6,32.9,34.5,34.8,33.9,32.8,33.4,32.4,32.8,32.3,31.5,32.4
1996,32.8,32.7,34,33.9,32.7,31.6,32.6,32.1,31.4,30.8,31.1,32
1997,32.5,32.6,33.9,34.2,34,32,34.1,33.7,32.1,32.3,31.8,32.5
1998,33.9,34.4,35.1,34.8,34.9,32.9,32.6,32.1,31.3,31.5,31.3,30.9
1999,32.6,32.9,33.3,34.1,32.6,31.5,32.2,31.6,30.7,31,30.7,30.8
2000,32.1,32.5,33.9,34,32.9,31.7,32.3,32.3,31.1,32,31.2,31.5
2001,32.5,33.5,34.2,34.7,33.8,32.7,32.8,33.1,31.8,32.4,31.3,32.1
2002,33.4,34.2,35.3,35,33.6,32.7,33.4,31.6,32.1,31.9,31.8,32
2003,33.8,34.1,34.7,35,33.4,31.9,33.1,32.4,32,31.6,31,31.5
2004,32.5,34.1,35.3,35.2,33.6,33,32.6,32.3,31.1,31.9,30.8,31.7
2005,32.7,33.4,34.7,34.9,33.2,31.8,32.8,32.1,31.7,30.6,30.3,31.2
2006,32.8,33.3,34.3,34.3,33.2,32.3,33,32.6,31.8,32,30.6,32
2007,33.3,33.1,35,34.3,32.7,32.1,32.6,31.5,31.5,30.6,30.6,31.3
2008,32.7,33,34.1,33.9,32.6,31.8,32,31.6,31.5,31.4,30.6,31.3
2009,32.6,32.9,33.7,34.4,33.3,32.3,33.5,32.9,32.9,32.2,31.4,32.3
