1901,34.2,31.7,31.9,33.3,32.6,32.5,30,30.9,32.8,35,34.8,34.2
1902,32.1,32.2,32.8,33.8,32.9,32,31,32,32.6,34.1,34.8,33.6
1903,33.2,32.4,33,33.7,32.9,31.2,31.6,32.8,33.9,34.9,34.8,33.3
1904,31.4,31.6,32.2,32.2,32.9,30.2,31,31.7,33.4,34.4,34.4,33.5
1905,32.1,31.8,33.6,33.5,33.6,32.1,31.9,32.1,33.5,34.7,34.9,35
1906,34,33.4,33.5,35.1,34.2,33.4,32.5,32.9,33.5,34.6,33.5,33.8
1907,32.7,32,32.7,32.9,32.8,31.3,31.1,32.3,33.2,35.1,34.9,33.3
1908,33,32.4,32.7,33.6,33.2,30.8,31.1,32.7,33.5,34.7,34.9,33.3
1909,33.2,32.8,32.6,32.8,32.6,32.2,31.6,33.1,33.3,35.2,34.1,33.7
1910,32.7,31.9,32.2,32.3,32.8,31.5,32.1,33.3,34.3,35.2,34.4,33.6
1911,32.9,32.6,34.2,32.7,31.8,30.1,30.2,31.1,32.9,34.6,34.8,34.6
1912,32.9,31.9,32.5,33.2,32.7,31.9,31.8,31.7,34,35,34.7,34.2
1913,32.4,32,32.3,33.1,30.2,29.6,30,31.6,32.4,34.4,35.9,34.7
1914,32.4,33.3,33.2,33.8,32.7,30.4,29.4,31.6,33.1,34.2,34.5,34.1
1915,32.5,32.7,33.4,34.2,32.5,31.7,32.4,32.7,34.6,35.3,35.1,32.8
1916,32.3,32,32.7,33.9,33.1,32.9,32.9,33.5,34.3,35,34.2,33.5
1917,31.8,31.8,32.7,32.7,31.7,31.3,32.1,33.1,34.2,34.7,34.7,32.5
1918,31.3,31.2,32.7,32.8,32.2,31.2,30.4,32.5,32.8,35,35.6,34.1
1919,32.4,32.9,32.8,33.4,32.2,30.7,29.5,31.3,32.9,34,34.2,34.1
1920,32.5,31.9,33,33.7,33,33.1,32.9,33.4,34.1,35,34.7,33.4
1921,32.3,31.9,32,32.9,33.2,33.2,31.3,31.9,33.8,35.1,35,33.9
1922,32.8,32.1,32.3,33.5,32.2,31,29.9,30.5,33,34.5,35.3,33.6
1923,32.6,32.1,32.3,33,32.7,31.1,29.7,30.4,32.5,34.2,34.8,33.6
1924,33.4,32.3,33.4,32.5,33.6,31.8,31.5,32.1,33.9,35,35.7,33.4
1925,32.6,31.5,32.1,31.6,31.7,30.3,30.3,31.5,32.6,34.1,35,34.5
1926,32.9,33.2,34.2,33.9,31.9,31,30.7,32.5,34.3,35.5,35.6,34.2
1927,32.7,33.8,33.7,33.3,32.6,32.4,31.1,31.4,33.3,35.1,34.7,34.7
1928,32.3,33.2,32.5,34,32.1,29.9,30.6,32.3,34.1,35.3,35.4,34.3
1929,33,32.1,32.6,32.4,31.3,29.9,29.6,32,32.9,34.7,36,33.8
1930,33.6,31.9,32.5,33.7,32.9,30.4,31.2,32,32.9,34.6,34.7,33.5
1931,32.6,32.5,32.8,33.4,33.4,32.6,31.4,32.4,33.9,34,34.4,34.5
1932,33.9,33.1,32.7,33.9,32.7,31.8,29.8,31.2,33.5,35.1,34.7,33.5
1933,33.8,32.1,32.4,33.7,32.9,31.5,30,32.2,33.6,34.9,34.4,32.7
1934,32.2,31.3,32,33.5,32.4,31.9,31.4,31.5,33.1,34.6,34.9,34.8
1935,33,32.7,32,33.1,32.2,30.7,29.8,32,33.3,34.4,34.9,34.6
1936,32.7,32.7,33,33.6,32.8,31.8,31.8,33.1,34.1,34.8,35.1,34.1
1937,32.1,33.2,32.5,33.3,32.8,31.5,31.4,32.4,35.1,35.8,36.4,33.5
1938,32.1,32,33.4,34.1,33.4,32,30.6,32.2,33.4,34.3,33.3,33.6
1939,31.8,32.2,33.1,33.1,33.3,31.2,31.1,31,32.7,34,34.3,33.8
1940,31.7,30.9,31.9,32.7,31.3,30.8,30.3,31.3,33.4,33.6,34.8,33.6
1941,31.7,31.7,31.5,32.2,31.2,29.5,29.8,29.9,31.6,33.5,32.7,32.9
1942,31.2,32.2,34.3,34.2,33.3,32.5,32.1,31.9,33.9,34.8,34.3,32.3
1943,32.9,30.8,31.4,32.1,31.2,29.9,30.3,31.3,33.1,33.6,33.3,31.9
1944,31.5,31.5,30.6,33.6,31.2,30.2,29.5,31.8,32.9,34.6,34,32.3
1945,32.3,32.4,31.4,33.3,32.2,31.6,30.2,32.4,33.5,33.3,33.1,31.9
1946,30.6,31.5,33.3,31.3,33.4,29.6,30.7,31.4,32.4,34,34.1,33.3
1947,32.7,31.4,31.3,32.3,32.2,31.7,31.5,31.6,32.3,33.6,34.2,33.4
1948,33,32.6,32.4,30.5,32.5,30.5,31.4,31.9,32.2,34.4,34.2,32.2
1949,32.2,30.5,31.5,32,31.4,29.4,30.1,31.3,32.3,33.6,33.8,32.2
1950,31.3,31.2,31.8,32.7,32.2,30.5,30,32,32.5,33,33.5,31.5
1951,31.7,31.3,33.1,33.9,32.8,31.3,30.6,31.9,33.7,34.5,35,33.9
1952,32.8,33.2,33.6,33.6,33.1,31.4,31.1,31.5,33.5,34.6,34.6,33.8
1953,31.7,31.6,33.2,32.1,31.5,31,30.7,30.4,33.2,34.9,34.8,33.7
1954,32.2,32.7,33.4,32,32.5,30.5,30.6,32.2,34.1,33.1,33.9,31.8
1955,31.9,31.5,32,32.7,32.4,31.4,31.1,33.2,34,34.6,33,33.7
1956,32.2,30.3,32.2,32.2,31.8,30.9,30.9,32.3,33,34.4,34.3,32.4
1957,31.4,31.1,31.4,33,32.3,31.5,30.8,31.2,33.5,34.6,34.8,32.7
1958,32.8,32.8,33,33.5,33.5,32.2,31.6,33.1,34,34.8,34.9,33.8
1959,31.9,33.4,33.7,32.1,31.1,30.9,30.1,31.8,32.8,34.8,34.7,33.8
1960,32,31.5,31.6,32.4,30.5,30.5,30.7,31.4,33.2,34.8,34.9,33.2
1961,32.1,31.9,33.3,33.1,32.5,30.7,30.3,31,33.2,34.6,33.9,34.4
1962,31.3,31.4,33.4,33.2,32.7,32.1,30.7,32.2,33.7,34.7,34.8,33.7
1963,31.4,31.1,32.4,31.9,31.7,30.1,30,31,32.8,34.1,34.9,33.7
1964,32.2,33.6,31.8,32.6,32.1,31,31.6,32.1,33.5,34.4,33,33
1965,32.6,32.6,30.6,33.3,33,30.7,29.1,31,33.2,34.2,34.9,32.5
1966,31.7,32,33.3,34.2,31.7,31.8,31.1,31.8,33.5,33.8,34.2,33.3
1967,32,30.2,31.5,33.1,31.6,29.6,29.9,31.6,33.3,34.7,35.5,34.6
1968,31.4,29.6,32.2,33.1,30.5,30.5,29.5,31.5,33.2,34.5,34.7,33.9
1969,32.3,30.7,32.2,33.6,33,31,31.2,31.9,33,33.8,35.3,33.7
1970,33.8,32.6,33.3,33.3,32.5,31.8,30.2,31.8,33.4,34.4,34.4,32.9
1971,32.9,31.7,31.1,31.4,31.3,29.1,29.9,31.9,34.1,34.7,34.2,32.6
1972,33,32,31.8,32.9,31.3,30.6,30.3,31.5,33.2,34.8,35,33.7
1973,32.6,32.7,31.8,32.8,33,31.5,31.1,32.9,33.5,35.4,33.2,32.8
1974,30.3,31.1,30.6,32.4,31.7,29.3,30.8,31.5,33.1,33.7,33.9,31.8
1975,32.8,31.6,31.6,32.4,32.6,30.5,32.2,32.3,33.7,33.8,33.8,32.4
1976,31.2,30.8,31.1,33.4,32.3,30.9,30.5,31.1,33.1,34.1,35.5,34.2
1977,32,31.7,30.2,32,31.2,29.2,29.5,31.8,32.5,34,34.7,33.3
1978,31.8,31.9,33.1,33.5,33.1,30.9,30.4,32.3,32.8,33.5,33.3,33.5
1979,31.8,32.7,32.9,33.6,32,31.3,30.4,31.3,32.9,34.5,35.4,34.1
1980,31.8,31,32.6,32.7,32.9,31.9,31,32,33.5,33.9,34.3,33.2
1981,31.4,31.2,32.1,33.4,32.1,31.1,31.6,32.9,33.6,34,33.6,33.7
1982,32.2,31.8,32.5,34.1,32.5,30.8,30.7,31.3,32.3,35,34.4,34.3
1983,33.9,33.6,32.5,32.2,31.5,31,29.8,32.2,33.9,34.7,34.1,34
1984,32.1,30.9,31.9,33.3,32.8,30.5,29.7,32,32.8,35.1,35,33.4
1985,33.6,32.3,32.9,33,32.6,29.9,29.4,32,34,34.3,35.2,34.8
1986,32.5,33.2,33,33,32.8,31.6,30.5,31.3,33.6,34.1,34.5,34.9
1987,32.6,30.8,33.7,33.6,32.7,31.8,30.8,32.1,33.3,35.8,35,33.4
1988,33.7,33.1,33.2,33.4,33.3,31.4,31.8,33.3,33.9,35.4,33.9,32.2
1989,33,33.3,31.2,32.1,32.5,30,31.2,31.6,33.9,34.9,36,34.2
1990,33.1,33.8,33.3,34,31.9,30.1,31.5,31.8,34,35.5,35.3,33.9
1991,31.9,30.6,33,32.8,32.4,31.9,30.9,32.1,33,35.2,34.4,34.6
1992,33.6,32.6,34.1,32.1,32.9,31.4,31,32.3,33.7,33.9,34.8,34
1993,32.6,31.5,33.4,33.9,32.6,31.6,31.1,31.9,33.4,35,35.3,33.2
1994,33.4,32.1,33,33,32.5,30.9,30.6,32.2,32.8,35,35.1,33.5
1995,31.7,31.9,31.2,32.1,31.4,30.5,30.5,32.1,33.1,33.8,34.9,33.2
1996,33,32.5,32.8,31.8,31.8,31.5,30.6,31.4,33.4,34.5,35.1,32.9
1997,31.5,31.3,32.4,33.3,31.2,30.4,30.3,31.4,33.5,34.5,34.6,33.3
1998,32,32.9,32.9,33.2,32.9,31.5,31.5,32.3,33.8,34.8,35.1,32.3
1999,32,31,31.6,31.5,31.3,30.5,30,31.4,33.4,33.7,34.1,33.2
2000,32,31.4,31.3,31.2,31.1,28.9,30,31.7,33.5,34.1,35.1,32.2
2001,32,31.7,31.9,32.5,31.4,31.3,30.1,31.6,35.1,35.2,34.7,33.4
2002,34,31.4,33.8,33.4,32.7,31.7,31.3,30.9,33.8,36.9,35.1,34.2
2003,32,31.5,32.4,34.3,33.1,32.5,31.9,32.6,34.6,36.7,34.7,33.4
2004,32,30.9,32.1,33.8,31.6,29.8,30.5,32,33.6,36.1,36.1,34.2
2005,32.8,33.8,33.6,34.5,32.6,32.6,32.9,32.5,34.7,36.4,34.9,33.9
2006,31.2,33.7,31.5,31.7,31.6,29.6,29.9,31.4,32.3,33.6,35.3,33.2
2007,32.8,32.8,30.9,32.9,32.9,29.6,30.6,31.4,33.6,35.5,34.7,33.8
2008,32.8,31.6,32.1,33.1,31.6,31.6,31.6,31.9,34.6,35.7,35.7,32.9
2009,32.5,31.3,33.9,33.8,32,31.8,31.7,32.3,34.6,34.8,35.4,33.4
