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