1901,33.5,34.5,35.1,35.3,33.6,32.2,32.4,32.6,31.9,31.4,31.6,32.1
1902,33.3,34.4,35.2,35.3,33.6,32.2,32.4,32.4,32.1,31.5,31.7,32.1
1903,33.5,34.7,35.2,35.2,33.5,32.3,32.5,32.6,32,31.4,31.5,31.9
1904,33.5,34.5,35.1,35.3,33.6,32.2,32.4,32.6,31.9,31.4,31.6,32.1
1905,33.5,34.5,35.1,35.3,33.6,32.2,32.4,32.6,31.9,31.4,31.6,32.1
1906,33.3,34.3,35,35.2,33.6,32.2,32.4,32.6,32,31.4,31.6,32
1907,33.6,34.5,35.1,35.3,33.6,32.2,32.3,32.5,31.8,31.4,31.7,32
1908,33.4,34.4,35.1,35.4,33.7,32.2,32.4,32.6,31.9,31.3,31.5,32.1
1909,33.4,34.5,35.2,35.3,33.7,32.2,32.5,32.6,31.9,31.4,31.5,32.1
1910,33.3,34.3,34.8,35,33.5,32.1,32.3,32.6,31.9,31.4,31.4,31.8
1911,33.5,34.5,35.1,35.4,33.3,32,32.4,32.6,31.9,31.5,31.7,32.1
1912,33.5,34.2,35.2,35.5,33.6,32.1,32.4,32.6,31.9,31.4,31.4,32.1
1913,33.6,34.7,35.1,35,33.3,32,32.3,32.6,31.8,31.3,31.5,32
1914,33.4,34.5,34.8,35.2,33.4,32,32.4,32.6,31.8,31.4,31.5,32.2
1915,33.4,34.4,34.7,35,33.7,32.3,32.6,32.7,31.9,31.4,31.6,32.1
1916,33.8,34.2,34.8,35,33.5,32,32.6,32.5,31.8,31.3,31.4,32.1
1917,33.5,34.5,35.1,35.3,33.6,32.2,32.4,32.6,31.9,31.4,31.6,32.1
1918,33.3,34.7,35.1,35.3,33.5,32,32.4,32.6,31.9,31.6,31.6,32.1
1919,33.3,34.5,35.1,35.2,33.5,32.1,32.4,32.6,31.9,31.4,31.8,32.1
1920,33.5,34.4,35.1,35.5,33.6,32.1,32.4,32.5,31.9,31.4,31.5,32.1
1921,33.4,34.4,35.1,35.2,33.1,32,32.3,32.5,31.9,31.3,31.6,32.1
1922,33.6,34.6,35.2,35.5,33.6,32.1,32.4,32.7,32,31.4,31.6,32.2
1923,33.5,34.6,35.3,35.5,33.6,32.3,32.3,32.6,32,31.4,31.4,32.2
1924,33.7,34.4,35.1,35.5,33.8,32.2,32.4,32.7,31.9,31.4,31.5,32.3
1925,33.8,34.6,35.1,35.3,33.6,32.3,32.3,32.7,32,31.6,31.8,32.3
1926,33.6,34.5,35.1,35.6,33.6,32.2,32.3,32.6,31.9,31.4,31.6,32.2
1927,33.3,34.6,35,35.2,33.6,32.3,32.4,32.6,31.9,31.3,31.5,31.9
1928,33.2,34.5,35,35.3,33.4,32.2,32.4,32.5,31.9,31.3,31.5,31.9
1929,33.6,34.7,35.2,35.3,33.6,32.1,32.2,32.4,31.8,31.2,31.6,32
1930,33.6,34.5,35,35.2,33.6,32,32.3,32.6,31.9,31.3,31.4,31.9
1931,33.8,34.9,35.4,35.6,33.5,32.3,32.1,32.8,32.3,31.9,31.3,32.6
1932,34.1,34.9,35,35.5,33.8,32,32.1,32.6,32.2,31.4,30.9,32.4
1933,34.1,35,34.9,35.8,33.6,32,32.4,32.3,31.7,31.1,30.6,31.5
1934,33.6,34.1,34.1,35.5,33.1,31.9,32.2,33,32.2,31.3,31.6,32.4
1935,33,33.6,35,35.5,33.4,32,32.5,32.5,32,31.4,31.4,32.2
1936,34.4,35.4,36,35.7,33.7,32.2,32.3,32.9,32.2,31.7,32.1,32.1
1937,34.5,35.1,35.6,35.7,33.7,32.3,32.6,32.6,31.6,31.1,30.9,32.2
1938,33.4,34.2,34.9,34.4,33.3,31.9,32.1,32.4,31.7,31,31.3,31.4
1939,33.7,34.4,34.5,35.1,33.6,31.9,32.3,32.7,31.5,31.4,31,32.7
1940,33.4,34.1,35.1,34.9,33.5,31.9,32.6,33.1,32.1,31.1,31.4,32
1941,33.7,34.8,35.8,35.8,33.6,32.7,32.4,32.9,31.9,31.4,31.3,32.3
1942,32.8,35,35,35.4,34.1,32.1,32.2,32.3,31.6,31.1,31.2,32
1943,33.1,33.3,33.8,34.4,33.1,31.7,32.1,32.3,32,30.8,30.8,31.6
1944,32.9,34.3,35.1,35.4,32.9,31.5,32.5,32.5,31.5,30.7,31.5,31.3
1945,33.5,34.7,35.1,34.7,32.8,32.3,32.3,32.4,31.8,30.8,31,31.8
1946,33.5,34.3,34.7,34.9,33.8,32.4,32.4,32.6,31.7,30.9,31.4,31.8
1947,33.7,34.1,35.3,35.1,33.1,31.8,31.9,31.9,31.4,31.2,31.6,31.6
1948,33,34.3,35.1,34.3,33.1,31.6,31.6,32.1,31.6,31.3,31.8,31.9
1949,32.7,34.1,34.6,35,33.5,31.8,31.9,32,31.4,31.1,30.4,31.2
1950,32.9,33.3,34.1,34.3,32.9,31.3,31.6,31.9,31.8,30.6,30.3,31
1951,33.5,33.4,34.8,35.7,34.1,33.2,33.2,33.5,32.9,31.5,31.7,32.4
1952,33.8,34.1,34.3,35,32.9,32,31.7,33.6,33.2,31.2,32.8,31.5
1953,32.8,33.3,34.6,35.7,33.6,32.6,32.7,33,32.1,31.7,31.5,32.4
1954,33.5,33.8,34.8,34.6,32.6,30.9,31.3,31.9,31.6,29.9,33,31.2
1955,33,34.2,34.2,34.6,33.1,31.9,31.4,32.1,31.6,30.4,31.1,31.3
1956,33.2,35.6,36.7,36.7,33.8,32.5,32.4,33.2,32.2,32.1,31.7,32.2
1957,34.2,35.6,35.5,36.1,34.6,33.5,33,33.5,32.9,32.1,32.4,32.1
1958,33.8,34.9,36.4,36.1,34.7,33.1,33.2,33.3,33.1,32.4,32.1,32.2
1959,33.1,35.2,35.7,35,34.1,32.4,33.5,33.2,33.2,32.1,31.8,32.2
1960,34.1,34.9,35.1,36.1,34.2,32.9,33.1,33.4,32.9,31.8,32,32
1961,35.3,35.6,35,35.8,33.4,32,31.7,32.7,30.9,31.1,31.9,33
1962,34.3,35.1,34.7,35.3,32.7,31.3,31.1,32.2,31.7,30.4,32.7,33.2
1963,34.2,34.8,35.3,35.2,33.5,32.4,32.7,33.1,31.8,31.7,32.6,33.3
1964,35.1,35.2,34.6,35.7,34,31.4,31.2,31.8,31.4,30.7,31.7,33.2
1965,34.4,35.2,34.7,35.7,33.5,33.1,33.8,32.4,32.1,32,33.4,33.6
1966,35.8,35.3,36.4,35.1,33.7,32.3,32.9,33.4,32.6,31.1,31.6,31.8
1967,33.9,34.4,34.8,35.3,34.8,31.9,32.3,32.6,31.5,31.5,31.4,31.8
1968,33.6,33.8,34.8,34.7,32.2,31.2,32.5,33.1,31.8,31.3,31.6,31.8
1969,32.1,33.5,35.9,34.9,34,32,32.7,31.7,32.2,30.8,31.1,32.2
1970,33.1,34.4,34.9,35.1,33.1,32.2,31.1,31.3,31.3,30.8,30.3,30.9
1971,33,33.9,34.5,34.3,32.9,31.8,31.9,31.3,30.4,30.8,30.7,31.5
1972,32.9,34.1,34.4,35.1,33.2,32.4,33.4,33.2,32.4,32,32.3,33.1
1973,34.2,35.2,35.7,35.5,33.6,31.9,31.9,31.5,30.9,30.4,31.6,31
1974,33,33.3,34.1,35.1,32.6,31.3,32.1,32.5,30.5,30.8,31.7,31.9
1975,33.2,32.2,33.3,33.4,32.3,31.2,30.5,30.7,30.4,30.4,30.4,30.7
1976,32.7,33.6,34.4,33.4,32.7,31.3,32.7,32.4,31.7,31.1,32,32.6
1977,31.8,33.6,34.2,34.5,32.9,31.8,32.4,31.9,31.7,31.2,30.9,32.7
1978,33.7,34.5,35.6,35,34,32.6,32.1,32.5,31.9,31.5,31.7,31.7
1979,32.6,34.5,35.8,34.8,33.9,32.4,32.8,32.6,31.5,31.9,31.2,32.1
1980,33.1,33.8,36.1,34.8,34.1,32.7,32.6,32.2,31.4,31.7,30.8,30.9
1981,31.9,33.8,35.7,35.4,33.3,31.8,32.4,32,32.3,31.4,31,31.4
1982,32.4,33.9,35.3,34.6,32.8,32.3,33.2,34.7,32.7,32.1,31.8,32.5
1983,33.9,34.8,35.8,35.9,35.5,33.2,33.4,33.6,32.3,31.7,31.3,31.4
1984,31.8,33.7,35.4,34.8,33.6,32.5,31.5,32.2,31.5,31.7,30.6,31.5
1985,32.1,34,35.6,35.2,33.6,32.6,32.1,32.1,32.1,31.2,31.3,31.6
1986,32.3,35.1,34.6,35.2,33.6,32.8,33.7,33.7,32.5,31.5,31.9,32.5
1987,33.5,34.7,35.6,36.4,34.4,32.9,32.9,33.7,33.1,33,32.9,32.8
1988,33.4,34.9,35.9,35.7,34.3,32.2,32.7,32.2,32.2,32,31.3,31.5
1989,33.2,33.8,34.5,35.3,33.7,32.2,33,32.8,31.9,31.8,31.1,31.3
1990,33.8,34.2,35.4,35.5,34.4,33.2,32.6,33.4,32.8,31.7,31.8,32.3
1991,33.5,34.5,36.8,35.3,35,33,34.6,34.3,33.8,33,31.9,32.1
1992,33.2,34.6,36.8,36.3,35.7,34.1,33.8,33.2,32.8,32.9,30.5,31.6
1993,32.2,33.9,36.2,35.5,34.7,33.9,34.3,34.2,32.8,33.2,31.6,32.8
1994,33,34.1,36.5,35.5,34.9,33.7,34.3,34.2,33.9,32.9,31,32.6
1995,33.7,34.8,36.4,34.7,34.5,33.3,33.7,33.3,33.2,32.3,30.9,31.2
1996,32.6,34.2,36.1,34.4,33.3,32.4,32.9,33.1,32.3,31.5,30.3,32.1
1997,32.1,34.5,35.9,35.2,34.9,33.2,34.3,34.8,33.1,32.8,31.5,32.5
1998,33.5,34.7,37.2,36.8,36.2,33.9,32.9,33.5,32.5,32.2,31.5,31.2
1999,32.7,33.9,35.3,34.7,33.5,32.3,32.7,32.6,31.6,31.3,31,31.8
2000,32.6,33.9,35.3,35.1,33.8,32.7,33,33.4,32.2,32.4,32.3,32.5
2001,33.9,35.3,35.6,36.3,34.8,33.4,33.4,34.2,32.6,32.8,32.4,33.1
2002,34.7,36,36.6,36.7,34.3,33.4,33.9,32.7,32.9,32.5,32.6,33.3
2003,34.7,36.2,36.2,36.5,34.5,32.8,33.4,33.7,33,32.5,32.5,32.4
2004,34.4,35.9,36.6,36.9,34.5,33.9,33.1,33.5,32.4,32.1,32.1,32.9
2005,34.1,35.2,36.2,36.5,34.3,32.8,33.3,33.4,32.9,31.3,31.7,32.3
2006,34.4,34.9,35.8,36,34.3,33,33.3,33.8,33,32.7,31.7,32.9
2007,34.6,35.5,35.9,36,33.8,32.9,33,32.8,32.4,31.4,31.6,32.3
2008,34.2,35,35.7,35.8,34.1,32.9,32.7,32.9,32.7,31.9,31.8,32.7
2009,34.4,35.3,35.5,36.7,34.2,33.1,34,33.9,33.7,32.6,32.4,33.5
