1901,33.6,34.7,35.1,35.3,33.6,32.3,32.4,32.7,32.2,31.6,31.7,32.1
1902,33.5,34.6,35.2,35.3,33.6,32.3,32.4,32.6,32.4,31.7,31.8,32.1
1903,33.6,34.9,35.2,35.2,33.5,32.4,32.5,32.7,32.3,31.6,31.6,31.9
1904,33.6,34.7,35.1,35.3,33.6,32.3,32.4,32.7,32.2,31.6,31.7,32.1
1905,33.6,34.7,35.1,35.3,33.6,32.3,32.4,32.7,32.2,31.6,31.7,32.1
1906,33.4,34.5,35,35.2,33.6,32.3,32.4,32.7,32.3,31.6,31.7,32
1907,33.7,34.7,35.1,35.3,33.6,32.3,32.3,32.6,32.1,31.6,31.8,32
1908,33.5,34.6,35.1,35.4,33.7,32.3,32.4,32.7,32.2,31.5,31.6,32.1
1909,33.5,34.7,35.2,35.3,33.7,32.3,32.5,32.7,32.2,31.6,31.6,32.1
1910,33.4,34.6,34.8,35.1,33.5,32.2,32.3,32.7,32.2,31.6,31.5,31.9
1911,33.6,34.7,35.1,35.4,33.4,32.1,32.4,32.7,32.2,31.7,31.8,32.1
1912,33.6,34.5,35.2,35.5,33.6,32.2,32.4,32.7,32.2,31.6,31.6,32.1
1913,33.7,34.9,35.1,35,33.4,32.1,32.3,32.7,32.1,31.5,31.6,32
1914,33.5,34.7,34.8,35.2,33.4,32.2,32.4,32.7,32.1,31.6,31.6,32.2
1915,33.5,34.6,34.8,35,33.8,32.4,32.5,32.8,32.3,31.7,31.7,32.1
1916,33.9,34.5,34.9,35.1,33.5,32.2,32.5,32.6,32.1,31.5,31.5,32.1
1917,33.6,34.7,35.1,35.3,33.6,32.3,32.4,32.7,32.2,31.6,31.7,32.1
1918,33.4,34.9,35.2,35.3,33.5,32.2,32.4,32.7,32.2,31.8,31.7,32.1
1919,33.5,34.7,35.1,35.2,33.5,32.2,32.4,32.7,32.2,31.6,31.8,32.1
1920,33.6,34.6,35.1,35.5,33.6,32.2,32.4,32.6,32.2,31.6,31.6,32.1
1921,33.5,34.7,35.2,35.3,33.2,32.2,32.3,32.7,32.2,31.6,31.8,32.2
1922,33.7,34.8,35.2,35.5,33.6,32.3,32.3,32.8,32.2,31.6,31.8,32.2
1923,33.6,34.8,35.3,35.5,33.6,32.4,32.3,32.7,32.3,31.6,31.5,32.2
1924,33.8,34.6,35.1,35.5,33.8,32.2,32.4,32.8,32.2,31.6,31.6,32.3
1925,33.9,34.8,35,35.3,33.6,32.4,32.3,32.8,32.3,31.8,31.9,32.3
1926,33.7,34.7,35.1,35.6,33.7,32.3,32.3,32.7,32.2,31.6,31.7,32.2
1927,33.4,34.8,34.9,35.2,33.6,32.3,32.3,32.7,32.2,31.5,31.6,31.9
1928,33.3,34.7,35,35.3,33.4,32.2,32.3,32.6,32.2,31.5,31.5,31.9
1929,33.7,34.9,35.2,35.3,33.6,32.2,32.2,32.5,32.1,31.4,31.8,32
1930,33.7,34.7,35,35.2,33.6,32.1,32.3,32.7,32.2,31.5,31.5,31.9
1931,34,35.1,35.4,35.6,33.5,32.4,32.1,32.9,32.6,32.1,31.4,32.6
1932,34.2,35.1,35,35.5,33.8,32.1,32.1,32.7,32.5,31.6,31,32.4
1933,34.2,35.2,34.9,35.8,33.6,32.1,32.4,32.3,32.1,31.3,30.7,31.5
1934,33.6,34.3,34.1,35.5,33.1,32,32.1,33.1,32.5,31.5,31.7,32.4
1935,33.1,33.8,35,35.5,33.4,32.2,32.5,32.6,32.3,31.6,31.5,32.2
1936,34.4,35.6,36,35.7,33.7,32.3,32.3,33,32.5,31.9,32.2,32.1
1937,34.6,35.3,35.6,35.8,33.7,32.4,32.6,32.7,31.9,31.4,31,32.2
1938,33.5,34.4,34.9,34.4,33.3,32,32.1,32.5,32,31.3,31.4,31.4
1939,33.8,34.5,34.5,35,33.6,32,32.3,32.9,31.8,31.6,31.2,32.6
1940,33.5,34.4,35.1,35,33.5,32.1,32.7,33.2,32.4,31.3,31.5,32
1941,33.9,35.1,35.9,35.8,33.6,32.8,32.4,33,32.2,31.7,31.4,32.3
1942,33,35.2,35.1,35.5,34.1,32.2,32.2,32.4,31.9,31.3,31.3,32
1943,33.2,33.5,33.8,34.4,33.1,31.8,32.2,32.4,32.4,31,30.9,31.7
1944,33,34.5,35.2,35.5,32.9,31.5,32.5,32.6,31.9,30.9,31.6,31.4
1945,33.6,35,35.2,34.7,32.7,32.5,32.3,32.5,32.1,31.1,31.1,31.9
1946,33.6,34.5,34.8,34.9,33.8,32.5,32.4,32.7,32,31.1,31.5,31.9
1947,33.8,34.4,35.3,35.2,33.1,31.9,31.9,32.1,31.7,31.4,31.7,31.7
1948,33.2,34.5,35.2,34.3,33.1,31.8,31.6,32.2,31.9,31.5,31.9,31.9
1949,32.7,34.3,34.6,35,33.5,31.9,31.9,32.1,31.7,31.3,30.5,31.2
1950,33,33.5,34.1,34.3,32.9,31.4,31.5,31.9,32.1,30.8,30.5,31
1951,33.6,33.6,34.9,35.7,34.1,33.2,33.1,33.6,33.2,31.7,31.8,32.4
1952,33.9,34.3,34.4,35,33,32.2,31.7,33.8,33.6,31.4,32.9,31.6
1953,33,33.6,34.6,35.7,33.5,32.7,32.7,33.1,32.4,31.9,31.6,32.4
1954,33.6,34,34.8,34.6,32.6,30.9,31.3,32,31.9,30.2,33.1,31.2
1955,33.1,34.4,34.2,34.6,33.1,32,31.4,32.2,31.9,30.6,31.3,31.3
1956,33.4,35.9,36.9,36.8,33.9,32.7,32.5,33.4,32.6,32.4,31.9,32.4
1957,34.4,36,35.6,36.2,34.7,33.9,33.1,33.7,33.4,32.5,32.4,32.2
1958,34,35.2,36.4,36.1,34.8,33.3,33.2,33.5,33.4,32.7,32.3,32.4
1959,33.1,35.4,35.8,35,34.2,32.6,33.6,33.4,33.6,32.3,32,32.3
1960,34.2,35.1,35.1,36.2,34.2,33.1,33.2,33.6,33.3,32.1,32.1,32
1961,35.6,35.9,35,35.9,33.4,32.1,31.7,32.8,31.1,31.2,31.9,33
1962,34.5,35.3,34.7,35.4,32.7,31.3,31,32.3,32,30.5,32.9,33.4
1963,34.4,35.1,35.5,35.2,33.6,32.7,32.7,33.4,32.2,32,32.9,33.6
1964,35.5,35.5,35,35.8,33.9,31.5,31.3,32.1,31.8,31,31.8,33.3
1965,34.6,35.5,34.6,35.7,33.7,33.3,33.6,32.6,32.5,32.3,33.6,33.7
1966,36.1,35.5,36.3,35.1,33.7,32.6,32.8,33.6,32.9,31.3,31.7,31.7
1967,34.1,34.7,34.9,35.4,34.8,32.1,32.4,32.8,31.9,32,31.5,31.8
1968,33.9,34,35,34.7,32.5,31.5,32.6,33.2,32.2,31.6,31.6,31.7
1969,32,33.5,36.2,34.8,34.2,32.2,32.8,32,32.6,31.1,31.2,32.3
1970,33.1,34.6,35.1,35,33.1,32.3,31.3,31.6,31.7,31,30.3,30.8
1971,33.1,34.2,34.6,34.4,33,31.9,31.9,31.5,30.8,31.1,30.9,31.6
1972,33.1,34.4,34.5,35.2,33.3,32.6,33.3,33.3,32.7,32.3,32.4,33.1
1973,34.3,35.4,35.9,35.7,33.6,32.1,32,31.8,31.4,30.7,31.6,31
1974,33.1,33.5,34.1,35.1,32.6,31.4,32,32.7,30.9,31,31.8,31.9
1975,33.3,32.1,33,33,32.2,31.1,30.2,30.7,30.7,30.7,30.6,30.7
1976,32.8,33.8,34.4,33.2,32.4,31.2,32.1,32.1,31.8,31,32.1,32.6
1977,31.5,33.2,33.6,34,32.6,31.6,31.8,31.9,31.7,31.1,30.8,32.7
1978,33.8,34.6,35.6,34.9,33.9,32.6,32.1,32.5,32.2,31.7,31.8,31.5
1979,32.6,34.7,35.8,34.7,33.7,32.4,32.7,32.6,32,32,31.3,32.2
1980,33.1,33.9,36.1,34.7,34,32.8,32.6,32.4,31.7,32,30.8,30.8
1981,31.9,34,35.7,35.4,33.4,32,32.4,32.4,32.6,31.7,31,31.2
1982,32.4,34.1,35.4,34.6,33,32.5,33.2,34.8,33,32.2,31.9,32.5
1983,34,34.9,36.1,35.9,35.4,33.3,33.5,33.7,32.6,31.9,31.3,31.3
1984,32,33.9,35.5,34.6,33.6,32.6,31.7,32.5,31.9,31.9,30.7,31.5
1985,32.1,34.3,35.6,35.2,33.6,32.7,32.1,32.3,32.3,31.4,31.4,31.5
1986,32.4,35.3,34.8,35.3,33.7,32.8,33.6,33.8,32.9,31.8,32,32.3
1987,33.7,35.1,35.8,36.4,34.3,33.2,33,33.7,33.4,33,33.1,32.8
1988,33.6,35.1,35.8,35.6,34.1,32.3,32.7,32.4,32.6,32,31.3,31.5
1989,33.4,34,34.5,35.3,33.7,32.3,32.8,32.8,32.2,32,31.2,31.2
1990,34,34.4,35.4,35.6,34.4,33.3,32.6,33.5,33.1,31.9,32,32.3
1991,33.5,34.8,36.9,35.3,35.1,33.1,34.6,34.5,34.3,33.2,32,32.1
1992,33.2,34.8,37,36.4,35.7,34.2,33.8,33.3,33.3,33.2,30.5,31.5
1993,32.3,34,36.2,35.5,34.7,34.1,34.4,34.5,33.3,33.5,31.7,32.8
1994,33.1,34.2,36.6,35.4,35,34,34.4,34.4,34.4,33.3,31,32.6
1995,33.9,35.1,36.5,34.8,34.5,33.5,33.8,33.5,33.7,32.6,30.9,31.1
1996,32.7,34.4,36.2,34.4,33.4,32.5,33,33.3,32.6,31.7,30.3,32.1
1997,32.1,34.6,35.8,35.2,34.9,33.2,34.3,35,33.4,33.1,31.6,32.5
1998,33.6,34.9,37.2,36.8,36.2,34,32.9,33.6,32.8,32.3,31.6,31.1
1999,32.7,34.1,35.3,34.7,33.5,32.4,32.7,32.7,31.9,31.5,31.1,31.8
2000,32.6,34,35.3,35.1,33.8,32.7,33,33.6,32.5,32.6,32.4,32.5
2001,33.9,35.5,35.6,36.3,34.8,33.6,33.5,34.3,33,33,32.5,33.2
2002,34.9,36.2,36.7,36.7,34.4,33.6,34,32.7,33.3,32.7,32.8,33.3
2003,35,36.5,36.3,36.6,34.5,32.9,33.5,33.8,33.4,32.7,32.6,32.5
2004,34.6,36.2,36.6,37,34.6,34.1,33.2,33.6,32.7,32.3,32.2,32.9
2005,34.2,35.4,36.2,36.5,34.3,32.9,33.3,33.5,33.2,31.5,31.8,32.3
2006,34.5,35.2,35.8,36,34.3,33.2,33.3,34,33.4,33,31.8,32.9
2007,34.8,35.9,36.1,36.1,33.8,33,33.1,32.9,32.7,31.6,31.8,32.3
2008,34.4,35.2,35.7,35.7,33.9,33,32.6,32.9,33,32,31.9,32.6
2009,34.5,35.5,35.5,36.7,34.2,33.2,33.9,33.9,34,32.7,32.4,33.4
