1901,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,32.9
1902,32.7,33.5,35,35.5,34.1,32.9,32.1,32.4,33,33.5,33.5,32.9
1903,33.2,33.9,35.4,36,34.5,32.9,31.9,31.9,32.7,33.4,33.2,32.8
1904,32.6,33.8,35.1,35.9,34.6,33,31.6,31.8,32.7,33.4,33.4,32.9
1905,32.8,33.7,35.2,35.8,34.5,32.8,31.8,31.8,32.7,33.6,33.6,33.1
1906,32.7,34,35.2,35.8,34.8,33.2,31.8,32,32.9,33.4,33.2,32.4
1907,32.5,33.9,35.4,35.9,34.7,33,31.7,31.8,32.7,33.3,33.2,32.2
1908,32.7,33.5,35.5,36.1,35.2,33.1,31.8,31.8,33.1,34.2,33,32.4
1909,32.4,33.4,34.9,35.3,34.3,32.6,31.8,32,32.8,33.3,33.2,32.9
1910,32.7,33.7,35.4,36,34.8,33,32.1,32.1,32.7,33.4,33.5,33.2
1911,32.9,32.6,34.7,35.3,33.6,33.1,30.1,31.1,31.8,32.4,32.7,31.5
1912,32,33.3,34.6,35,33.4,31.8,29.9,30.4,31.1,32.6,33.4,31.4
1913,31.7,32.6,34.2,35,34.1,31.8,31.6,31.8,32.7,33.4,33.4,32.9
1914,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,33.3
1915,32.8,33.8,35,36.3,34.3,32.3,31.1,31.4,32.5,33.2,33.6,32.4
1916,32.3,34.2,34.4,35.1,34.6,32.6,31.1,31.8,32.7,33.4,33.8,32.7
1917,33,34.3,35.2,35.3,34.5,32.6,31.3,31.5,32.5,33.3,33.7,33.2
1918,32.4,34.4,35.1,35.3,34.7,32.6,31.6,31.8,32.7,33.4,33.4,32.9
1919,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,32.9
1920,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,32.9
1921,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,33.3,33.9,34.7,34.2
1922,33.9,34.8,36.2,36.3,35.3,33.8,31.3,31.6,33.2,34.2,34.9,34.3
1923,32.8,33.7,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,32.9
1924,33.4,35,36,36.6,35.5,33.6,33.3,33,34,34.7,34.8,34
1925,33.3,33.5,35.2,35.7,35.3,34.3,33.5,33.5,33.5,33.1,33.4,32.6
1926,32.8,33.7,34.6,34.4,35.3,33.9,33.1,33.5,33.5,33.4,33.7,31.9
1927,32.8,33.7,35.2,34,33.1,31.7,31.9,33.3,33.8,34.5,35.3,33.7
1928,32.6,33.7,36.3,37.2,35.6,32.6,32.4,32.3,33.8,34.8,35.5,33.4
1929,32.8,35.1,36.3,35.8,35,32.1,30.8,30.9,32,33.3,33.4,33.4
1930,33.2,33.7,35,35.6,33.3,31.6,30.4,30.7,31.9,32.7,33.2,33
1931,33,33.9,35.1,35.6,35.7,33.6,32.3,32.4,33.5,34.2,33.4,33.3
1932,32.8,35.1,35.2,35.8,34.5,32.8,31.6,31.8,32.7,33.4,33.4,32.9
1933,32.6,34,35.4,36.6,35,33.3,31.8,32,32.9,33.9,33.6,32.7
1934,32.1,32.6,34.5,36.3,35.3,33.3,31.9,31.9,32.8,33.7,34.2,33.5
1935,33.6,34.6,35.7,35.8,34.3,32,30.9,31.1,32.7,33.8,33.9,32.8
1936,32.6,33.8,35.3,36.1,35.1,32.3,30.7,31.2,32.2,34.1,34.2,33.2
1937,33,34.1,35.5,37.1,35.9,33.3,31.6,32.2,33.5,34.2,34.4,32.9
1938,32.6,33.5,35.5,35.8,34.5,33,31.5,32,32.8,33.6,33.6,32.7
1939,32.3,33.6,35.5,36.6,35.8,32.8,32,32.3,33.7,33.9,34.2,33.3
1940,33.1,34.5,35.8,36.7,35.6,33.4,32.2,32.2,33.3,34.3,34.4,33
1941,32.3,33.6,35.6,36.6,35.8,32.8,31.7,32.3,33.7,33.9,34.2,33.4
1942,32.3,33.5,35.5,36.6,35.3,33.7,31.6,32,33.3,33.9,33.9,33
1943,32.7,33.8,35.3,36.5,35.8,33.1,31.7,32.2,32.9,33.6,34,33.2
1944,32.7,33.6,35.5,36.6,35.3,33.4,31.9,32.2,33.5,34.3,34.4,34.1
1945,32.9,33.8,35,36.7,35.6,33.1,31.5,32,33.1,33.8,34,33
1946,32,33.1,35.2,36.6,35.3,33.3,31.7,31.9,33.5,34.1,34,32.8
1947,32.3,32.9,35.3,36.4,34.5,33,31.8,31.5,32.4,33.1,33.8,32.8
1948,33,33.9,35.2,36.5,36,33.2,31.9,32,32.9,34,33.4,32.9
1949,31.8,32.9,34.9,36.5,35.9,32.9,31.7,32,33,33.8,33.4,33.1
1950,32.3,32.7,35.3,36.2,34.8,32.1,31.1,31.7,32.8,33.4,32.9,32.7
1951,32.1,33.1,35.8,36.2,34.9,32.8,31.7,31.6,33.3,34.4,34.6,33.2
1952,32.4,33.4,36.6,36.3,35.2,33,31.5,31.6,33,34.3,34.4,33.1
1953,32.5,34,35.7,36,35.1,32.8,31,31.1,32.6,33.8,34.1,33
1954,32.8,34,35,36.2,35.3,33.2,31.4,31.3,32.8,33.3,34,32.4
1955,32.4,33.4,35.4,36.5,35.3,33.1,31.6,31.7,32.9,33.6,34,33.1
1956,32.6,33.5,35.5,36.1,35.2,33.2,31.1,31.4,33.1,33,33.6,31.9
1957,32.6,33,35.2,36.2,35,33.2,31.5,31.7,32.6,34.2,34.1,33.2
1958,32.4,33.3,35.7,36.6,35.9,32.9,31.7,31.9,33.3,34.2,34.2,33.3
1959,33.1,34.2,35.9,36.9,35.7,33.5,31.5,31.7,33,33.5,34.3,32.9
1960,33.2,34.1,35.6,35.6,34.1,32.7,31.1,31.4,33,33.6,33.7,32.9
1961,33.2,34,35.2,36,35.4,33.1,31.4,31.5,32.9,33.4,32.7,32.6
1962,32.8,34,36,36.5,34.3,32.7,31.7,32.1,33.3,33.8,34.1,33.2
1963,32.2,33.6,35.4,35.1,33.9,32.2,30.8,31.2,32.1,33.4,33.1,32.4
1964,32.2,33.6,35.4,35.6,33.9,32,30.4,30.5,32.2,32.8,32.8,31.9
1965,31.8,33.7,35.3,36.1,34.7,32.1,30.6,31.1,32.5,32.8,32.9,32.6
1966,32.4,33.3,35.2,35.4,34.7,32.6,31.7,31.4,32.7,33.5,34.1,33.2
1967,32.6,33.4,34.8,35.5,34.2,32.5,31.3,31.5,32.5,33.2,32.5,32.2
1968,32.3,32.3,34.7,34.7,33.9,32.5,31.1,31.3,32.6,33.4,32.8,32.8
1969,33.1,33.6,35.9,37.6,34.7,33.4,31.9,31.7,33,34.4,35,34.4
1970,33.4,34.6,35.5,36.2,35.3,33.3,32.1,32.1,33.3,34.1,34.4,33.9
1971,33.2,34.3,35.5,36.8,34.1,33.2,31.7,31.9,32.5,32.7,32.8,33
1972,32.7,33.3,34.7,35.4,34.8,32.9,31.5,31.7,33.2,33.5,33.8,33.1
1973,33,34.1,36.1,36.9,35,33.1,31.9,31.7,32.3,34.1,33.7,32.9
1974,33.9,33,34.3,36,34.8,33.6,33,32,32.6,33.9,34.3,33.7
1975,33.2,34.2,35.6,35.7,35.4,33.1,31.3,31,32.5,33.7,32.9,32.9
1976,33.1,34.2,35.3,35.6,34.1,32.4,31.5,31.7,32.5,33.2,33.3,33.5
1977,33,33.6,35.2,35.4,34.5,33.3,32,31.5,32.8,32.9,33.2,33.2
1978,33.4,33.8,35.5,36.4,34.4,33,31.7,32.2,33,32.9,34,33.1
1979,32.1,34.1,34.9,36.8,34.5,32.4,31.4,31.5,32.9,33.1,33.4,33.1
1980,32.9,34.1,35.5,36.2,34.6,32.7,31.4,31.7,32.7,33.2,33.9,33.1
1981,33.6,33.5,34.1,35,34.5,32.8,31.4,32.1,32.9,33,33.6,32.8
1982,32.7,33.5,35.1,35,33.8,32.6,31.5,31.3,32.4,32,32.8,32.9
1983,33,33.9,35.5,35.7,33.7,32.9,32,32.4,32.5,33.3,33.3,32.7
1984,32.5,33.5,35.7,37.1,34.2,32.5,31.8,32.3,32.7,33.3,33.2,32.3
1985,33.2,33.3,33.9,35.3,34.5,33.1,31.7,32.2,32.6,33.3,34.2,33
1986,32.9,33.7,35.1,35.4,33.7,33.3,32.8,32.2,33.1,34.1,34.6,32.5
1987,33,34.1,34.9,35.8,34.5,32.7,32.1,32.8,33.6,33.8,33.8,33.4
1988,32.9,34.2,35.6,35.9,35,32.9,31.4,31.6,32.3,32.9,32.7,32.4
1989,32.4,33.2,34.4,34.4,34.3,32.7,31.4,31.8,32.7,33.1,32.8,32.5
1990,32.4,33,34.2,35,34.7,32.9,31.8,32,32.8,33.3,33.5,32.3
1991,33.2,34,35.1,36,34.5,33,31.7,31.9,32.5,33.7,33.2,33.1
1992,32.4,33.7,35.4,36.2,34.9,33.2,31.6,31.6,32.4,33.2,33.2,33.2
1993,32.5,33.2,35.3,35.9,34.3,32.9,31.8,31.9,32.7,33.1,33.5,32.9
1994,32.7,33.7,35.3,36.4,34.7,33.1,31.4,31.6,32.4,33.1,32.7,32.4
1995,32.4,33.9,35,35.9,34.8,33.2,31.7,31.9,33,33.4,33.5,33.3
1996,33,34,35.4,36.9,34.1,32.4,31.5,31.7,32.9,33.3,33.3,32.7
1997,32.9,33.5,35.4,35.5,34.5,32.6,31.9,32,33,32.7,33,32.7
1998,33,33.7,35.5,36.1,34.9,33.5,31.7,31.7,32.6,33.7,33.2,33.1
1999,33.1,34.1,34.8,36.4,35,32.8,31.5,31.5,32.8,32.8,33.3,32.7
2000,32.6,33.9,35.1,36.2,34.4,33,32,31.7,32.7,33.2,33.4,32.9
2001,33,33.8,35.2,36.5,34.4,32.6,32,31.3,32.8,33.7,33.3,33.2
2002,32.7,33.8,35.4,36.2,35.5,32.9,32.1,32.1,33,32.9,33.7,33.3
2003,33,34.6,35.5,36.6,35.5,33.3,31.6,31.9,32.9,33.5,33.7,32.9
2004,33,33.8,35.3,36.1,35.4,33.2,32,32.4,32.6,32.8,33.4,33.1
2005,33,34.3,35.6,36.3,34.8,31.9,31.6,32.2,33,33.7,33.8,32.8
2006,32.7,34.3,35.5,35.8,34.8,33.3,31.7,31.8,32.7,33.6,33.6,32.7
2007,32.7,34.3,35.9,36.1,35.3,33,31.3,31.8,32.8,33.4,34.3,32.7
2008,33,33.4,33.9,35.4,34.7,32.7,31.7,32,33.3,33.7,33.2,32.9
2009,32.9,34.1,35.6,36.6,35.3,33.4,31.9,32.4,33.6,33.3,33.6,33.6
