1901,32.6,32.9,33.6,33.8,33.2,32.2,32.6,32.3,31.4,31.6,32,32.1
1902,32,32.7,34.1,33.7,33.3,32.2,32.8,31.7,32.1,32,32.5,32.1
1903,32.8,33.7,33.8,33.5,32.8,32.7,32.9,32.4,31.9,31.6,31.6,31.4
1904,32.6,32.9,33.6,33.8,33.2,32.2,32.6,32.3,31.4,31.6,32,32.1
1905,32.6,32.9,33.6,33.8,33.2,32.2,32.6,32.3,31.4,31.6,32,32.1
1906,31.9,32.2,33.2,33.3,33.2,32,32.7,32.3,31.7,31.7,32.1,31.8
1907,32.8,32.7,33.6,33.7,33.2,32.1,32.2,31.8,31.2,31.6,32.2,31.9
1908,32.1,32.4,33.6,34.3,33.6,32.3,32.6,32.2,31.3,31.2,31.5,32.1
1909,32.3,32.8,34,33.9,33.7,32.1,32.8,32.3,31.3,31.5,31.5,32
1910,31.7,32.3,32.3,32.8,32.8,31.8,32.4,32.2,31.3,31.4,31.3,31
1911,32.4,32.9,33.6,34,32.1,31.5,32.6,32.2,31.4,32,32.4,32.2
1912,32.6,31.9,33.9,34.5,33.2,32,32.5,32.2,31.3,31.7,31.4,32.3
1913,33,33.6,33.7,32.5,32.2,31.3,32.3,32.2,31.1,31.3,31.5,31.8
1914,32.1,32.8,32.4,33.4,32.5,31.6,32.7,32.5,31.2,31.4,31.6,32.4
1915,32.3,32.4,32.2,32.6,33.5,32.5,33,32.5,31.5,31.6,32,32.2
1916,33.3,32.2,32.9,33.1,32.9,31.8,33,32,31.1,31.3,31.5,32.1
1917,32.6,32.6,33.5,33.4,33.2,31.8,32.4,32.1,31.2,31.4,32,31.5
1918,32.2,33.3,33.7,33.8,33,31.8,32.8,32.3,31.4,32.1,32.1,32
1919,32,33,33.6,33.3,32.8,31.7,32.5,32.3,31.4,31.8,32.6,32.1
1920,32.8,32.5,33.6,34.5,33.3,31.7,32.4,32.1,31.4,31.5,31.7,31.9
1921,32.3,32.7,33.7,33.6,32.1,31.8,32.5,32.2,31.3,31.4,32,32.2
1922,32.8,33.1,33.9,34.3,33.2,32.1,32.6,32.5,31.5,31.6,32.1,32.2
1923,32.6,32.8,33.7,33.8,33.4,32.1,32.7,32.3,31.4,31.4,31.5,32.3
1924,32.6,31.8,33.4,33.8,33,32.5,32.8,32.4,31.4,31.4,31.4,32.4
1925,33,32.7,33.2,33.1,32.3,31.7,32.6,32.4,31.4,32.1,32.1,32.1
1926,32.4,32.6,33.7,33.6,32.7,32.2,33,32.3,31.7,31.9,31.5,32.5
1927,32.2,33.2,33.6,33.7,33.7,32.6,32.5,32.7,31.7,31.6,31.9,32.2
1928,32.1,33.3,33.7,33.5,32.6,32.8,32.9,32.6,31.9,32,31.9,32
1929,33,33.6,34.2,34.5,33.1,31.9,32.4,32.3,31.4,31.7,32.5,31.7
1930,32.8,32.9,33.4,32.9,33.2,31.8,32.3,32.4,31.5,31.8,31.7,31.5
1931,32.9,33.3,33.7,33.9,32.9,32.2,32.3,32.7,32,32.3,31.4,32.8
1932,33.4,33.5,33.6,33.7,33.7,31.9,32.3,32.3,32,31.8,30.9,32.6
1933,33.3,33.7,33.4,34.6,33.2,32,32.4,31.9,31,31.4,30.7,31.5
1934,33,32.6,32.5,34.2,32.7,31.7,32.5,32.9,31.7,31.7,32.2,32.5
1935,31.9,31.9,33.4,34.2,33,31.9,32.7,32.2,31.7,31.7,31.7,32.1
1936,33.9,34,34.7,34.2,33.2,32.3,32.6,32.9,31.7,32.2,32.5,32.1
1937,34.2,33.8,34.3,34.4,33,32.4,32.8,32.3,30.9,31.1,30.8,31.9
1938,32.3,32.3,33.4,32.2,32.6,31.4,32,32.2,31.1,31,31.8,30.8
1939,32.6,32.8,32.5,33.7,33.3,31.7,32.4,32.3,30.7,31.6,31.1,33.1
1940,32.1,31.8,33.7,33,32.9,31.5,32.9,32.8,31.8,31.1,31.7,31.9
1941,32.2,32.8,33.8,34.3,32.7,32.6,32.3,32.4,30.5,30.5,31.2,32.3
1942,31.4,33.6,33.4,34,33.9,31.8,32.4,31.7,30.7,31,31.3,32.1
1943,32.2,31.1,32.1,32.6,32.3,31.3,32.1,31.8,30.8,30.1,29.8,30.6
1944,31,32.6,32.8,33.1,32.4,30.9,32.3,31.7,30.7,29.7,31.7,29.9
1945,32.8,33.2,33.3,33,32.3,32.2,32.4,31.8,31.1,30.8,31.1,32.3
1946,32.6,32.9,33.1,32.6,33.3,31.5,32.3,31.9,30.6,30.3,31.5,31
1947,32.5,31.5,33.5,33.6,32.3,31.4,32.1,31.3,30.5,31.5,32,31
1948,31.5,32.5,33.2,31.7,31.4,30.9,31.5,31.6,30.9,30.5,31.8,31.5
1949,31.9,32.7,32.5,33,32.8,31.8,32.4,31.7,30.4,30.6,29.7,30.9
1950,32.1,31.2,32.2,31.9,32.3,31,31.6,32,31.4,30.5,29.6,30.6
1951,32.3,31,32.8,33.2,32,32.5,32.2,32.8,31.3,31.3,31.9,32.6
1952,32.7,32.8,34.1,33.5,32,31.4,31.8,31.9,31,29.7,32,31.3
1953,32.9,33.7,33.3,34.6,33.1,32.7,32.7,32.6,32,31.4,31.6,32
1954,32.5,32.7,34.1,33.3,31.5,31.4,31.8,32.3,31.2,30,31.5,30.8
1955,31.8,32,33.3,33.6,32.3,32.3,31.1,31.7,30.3,30.3,31.7,30.7
1956,31.1,33,32.8,33.6,31.6,30.7,31.7,32,30.7,31.5,30.8,31.3
1957,32.7,32.9,33,33.2,32.8,31.2,31.5,32,30.3,30.1,32.3,30.8
1958,31.4,32.1,34.6,34.8,33.5,32,31.9,32.4,32,32.1,32.3,31.1
1959,32.7,33.8,33.3,33.2,32.1,32.5,32.8,32.6,32.3,31.8,31.9,31.3
1960,33,32.2,31.7,33.2,33.3,32.1,32.2,32.1,31.1,31.3,31.4,31.1
1961,32.3,33.2,34,33.1,32.5,31.7,31.9,32.3,30.9,31.9,31.5,31.9
1962,32.2,33.1,32.9,32.8,31.8,31.1,31.7,32.3,31.2,30.9,30.6,31.7
1963,32.7,32.7,32.8,32.8,32.5,31.6,31.6,32.1,29.9,30.5,30.7,30.3
1964,32.4,33,34.1,33,32.7,31.1,31.2,31.6,31.3,30.4,31.9,31.7
1965,31.4,32.9,33.1,32.9,32.9,31.4,33.1,31.8,31.5,30.8,32.2,32
1966,32.6,32.7,32.7,33,32,31.8,32.4,32,31.6,31.2,30.7,31.1
1967,32.1,32.3,32.5,32.9,32.9,31.5,32.4,32.5,30.9,31,31.6,31.8
1968,31.7,31.6,32.2,32.8,31.6,30.6,32.3,32.7,31.3,31,32.3,32
1969,32.6,33.2,34,34.7,33.2,32,32.1,31.1,30.5,31.3,31.1,31.4
1970,33.2,32.9,34.1,34.1,33.2,32.9,32.3,32,31.3,32.4,31.6,32.4
1971,33,33.3,33.8,33.8,33.1,32.5,32.5,31.7,30.8,31.9,31.7,32.5
1972,33.1,32.7,33.4,34.1,33.7,32.6,33.4,32.7,32.9,33.1,33.6,33.1
1973,33.9,34.1,34.7,33.9,33.2,32,32.6,31.6,31.3,31.4,32.5,31.1
1974,33.1,32.4,33.1,33.5,32.6,31.7,32.9,32.9,31.1,31.4,32.5,32.7
1975,33.2,33.3,34.1,33.8,33.4,32.6,32.2,32.2,31,31.3,31.5,30.9
1976,31.5,32.3,34,33.2,33.1,31.3,33.4,33,32.5,32,32.2,33.3
1977,33.4,33.4,34.9,34.3,33.2,32.6,34,33.6,32.9,32.9,32.6,32.4
1978,32.5,33.4,33.7,34.1,33,32.6,32.9,33.4,31.7,31.8,33.4,33
1979,33.2,33.3,33.9,33.9,33.1,32.4,33,32.1,30.4,32.5,32.3,31.8
1980,33.8,32.7,34.8,33.9,34.7,33.1,33.3,32.6,31.9,32.2,32.6,31.4
1981,31.9,33.2,34.2,34.1,33.6,31.8,32.7,31.8,32.1,31.6,31.9,32.5
1982,33.5,34,34.3,34,32.8,32.3,32.7,33.5,31.4,31.6,32.8,32.7
1983,33,33.5,33.9,35,35.5,33.3,32.8,33.1,31.8,32.1,32.9,32.6
1984,31.8,32.7,33.9,34.2,32.2,31.9,31.3,31.5,30.2,31.7,31.1,31.7
1985,31.8,32.6,33.3,33.8,33.1,32.1,32.6,32.2,32.5,31.9,32,32.5
1986,32.1,33.1,32.5,34.2,33.1,33.1,33.2,33.2,30.5,31.5,32.6,34.1
1987,32.2,32.8,34.5,35.6,34.8,32.8,32.1,32.6,32.7,32.3,33.3,33.2
1988,32,33.5,34.4,34.9,34.6,32,32.7,31.6,31.3,31.9,32.7,31.7
1989,33.3,32.1,33.1,34.3,33.4,32.3,33.3,32.6,31.1,31.8,32.4,31.3
1990,32,32.3,33.5,33.4,33,32.8,32.5,33,31.8,31.5,31.6,31.3
1991,32.8,32.7,34.1,34,33.9,33.5,34.4,33,31.8,32.3,31.7,31.7
1992,32.5,32.7,34.2,34,33.7,33.4,33,33,31.4,31.9,33,33.1
1993,33,34,34.4,34.3,33.1,33.4,33.5,31.8,31.2,32.5,32.7,32.2
1994,32.9,33.5,34.3,35.6,33.6,33.2,34.1,33.1,32.3,32,32.9,31.9
1995,33.2,32.9,34,33.1,33.4,32.5,32.6,31.5,31.1,31.5,32.3,32.5
1996,31.6,33,33.9,33.8,32.6,32.6,32.4,32.3,32.2,31.8,31.2,31.9
1997,32.6,33.2,35,33.7,34.5,33.8,33.3,34.5,32.6,32.5,31.7,32.5
1998,32.2,33.4,35.7,35.8,36.3,34.2,33.1,33.8,31.9,33.2,32.3,32.5
1999,33.1,33.2,34.1,34.2,33.5,32,32.9,32.5,31.1,31.4,31.3,31.9
2000,32.7,33.4,34.1,34.6,33.3,32.7,33.5,33.1,31.9,32.5,33.2,32.9
2001,33.5,34.2,34.3,34.9,33.9,32.7,33.8,33.8,31.7,32.9,33.2,33.1
2002,33.8,34.3,34.6,35.1,34.1,32.8,33.9,33.1,32,32.8,33,33.6
2003,33.8,34.2,34,34.1,34.3,33,32.8,33.6,32.8,32.9,33.3,32.5
2004,33.7,34.5,35.5,35.5,34,33.6,33.3,33.5,32.6,32.8,33.5,33.6
2005,33.9,34.5,35.2,35.5,34.2,33,33.5,33.9,32.7,31.9,33.3,33.6
2006,34.2,33.8,35,34.7,33.9,32.6,33.2,33.1,32.8,33,32.8,33.3
2007,32.6,33.5,34.1,34.7,33.9,33,33.2,32.9,32,31.4,32.4,32.6
2008,33.6,33.9,34.6,35,34.7,32.9,33.2,32.8,32.9,31.9,33,32.8
2009,33.8,34.1,34.4,35.3,33.9,33,34.3,33.7,32.8,32.9,32.9,33.9
