1901,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1902,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1903,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1904,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1905,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1906,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1907,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1908,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1909,33.2,33.8,33.5,32.2,31.1,30,30.2,30.6,31.4,31.8,32.1,32.2
1910,33.3,33.8,33.5,32.1,31.1,30.1,30.3,30.6,31.5,31.8,32.1,32.2
1911,33.2,33.9,33.6,32.2,31.1,30,30.2,30.6,31.5,31.9,32.2,32.3
1912,33.2,33.8,33.7,32.3,31.1,30.1,30.2,30.7,31.4,31.9,32.3,32.2
1913,33.2,34,33.6,32.3,31.1,30.1,30.3,30.5,31.4,31.8,32.2,32.3
1914,33.4,33.9,33.6,32.3,31.2,30.1,30.4,30.6,31.5,31.9,32.2,32.4
1915,33.3,33.9,33.7,32.3,32.2,30.6,30.9,31.6,31.8,32.8,32.3,32.7
1916,33.4,33.8,33.6,32.8,31.6,30.1,30.6,30.6,31.8,31.7,32,31.8
1917,32.7,33,33.2,31.9,30.7,29.4,30.2,30.2,31.1,31.5,31.9,31.8
1918,32.7,33.4,32.9,31.8,30.3,29.5,30.1,30.7,31.4,32.2,32.1,32.2
1919,33.2,33.9,33.6,32.1,31.1,30.1,30.2,30.5,31.3,31.7,32.2,32.2
1920,33.2,33.8,33.5,32.2,31.1,30,30.2,30.5,31.4,31.9,32.1,32.1
1921,33.1,33.5,32.6,31.5,30.4,29.5,29.7,30,31.2,31.2,31.7,32.1
1922,33,33.5,33,31.8,30.5,29.5,30,30.3,31.3,31.8,31.8,31.4
1923,32.3,33.2,32.6,31.5,30.5,29.7,29.4,30.4,31.3,31.7,32.1,31.6
1924,33.6,33.8,33.8,32.4,31.1,29.4,29.8,30.1,30.5,30.9,31.6,31.5
1925,32.1,32.8,32.6,31.8,31.1,29.8,30.1,30.2,31.1,32.1,31.9,32.4
1926,33.4,34.1,33.9,32.5,31.3,30.6,30,30.5,31.1,31.3,32,31.4
1927,32.4,32.8,32.9,31.4,30.4,29.4,29.3,29.9,30.9,31,32,32.3
1928,32.9,33.4,32.8,31.8,30.6,29.7,29.6,30.1,30.9,31.4,31.8,31.5
1929,32.7,33.4,32.6,31.6,30.3,29.6,29.4,30.4,31.2,31.7,31.7,31.5
1930,32.8,33.5,33.6,32.1,30.9,29.8,29.9,30.3,31.1,31.5,32.3,32.3
1931,33.7,34.2,33.9,32.7,31.3,30.2,29.9,30.6,31.3,31.9,32,31.9
1932,33,33.8,33.1,32.3,30.8,29.8,30,30.6,31.2,31.5,32.3,32
1933,32.8,33,32.9,32,30.9,29.5,29.8,30.4,31.4,30.9,31.1,31.2
1934,32.4,32.4,32.3,31.7,30.9,30.1,29.8,30.5,31.2,30.8,31.8,31.9
1935,33.1,33.3,33,31.9,30.3,29.4,30.1,30,31.1,31.7,31.9,32.3
1936,32.6,33.6,33.1,31.6,31,29.8,30,30.5,31.3,31.4,32.3,32.1
1937,32.7,33.3,33.4,31.9,30.8,29.9,30.3,30.5,31.5,31.8,32.6,32.9
1938,33.7,34.2,32.6,31.3,30.5,29.8,30.7,30.3,31.5,32.2,32.1,32.3
1939,32.4,32.5,32.2,31,31,30,30.4,30.5,31.1,32.2,32.8,33.2
1940,33.5,34.2,33.8,32.2,31.8,30.5,30.7,30,31.4,32.1,32.9,31.2
1941,33.3,34.4,34.5,33,31.6,29.9,30.7,31.3,31.8,32.4,33,32.9
1942,34.6,34.5,34.4,32.6,30.5,29.7,30.2,30.8,32,32.2,32.5,32.4
1943,33.2,32.8,32.4,31.3,30.4,29.9,30.2,30.2,31.4,32,32.2,32.5
1944,33,33.3,32.7,31.8,30.4,29.7,30.5,30.8,31.1,32.3,32.6,32.5
1945,32.7,33.1,32.9,31.5,30.2,29.3,30,30.8,31.5,31.8,32,32.6
1946,32.9,33.4,33.2,31.1,30.4,30.1,29.8,30,31.2,31.9,32.2,32.7
1947,33.3,34.3,33.9,32.4,31.5,30.2,30.1,30.2,31.2,31.8,32.5,33
1948,33.2,33.5,33,31.4,30.8,29.5,30.1,30.1,31.2,32.2,32.6,32.8
1949,32.7,32.9,33.2,31.6,30.8,29.8,30.1,30.4,31,31.7,32.1,32.7
1950,32.6,33.2,32.7,31.9,30.8,29.5,29.8,29.9,31.3,31.4,32.5,32.1
1951,32.7,32.7,32.8,31.8,31.1,29.7,29.9,30.7,31.8,32.4,32.8,32.8
1952,33.3,33.9,34.4,31.5,30.9,30.2,30.6,30.7,31.6,32.4,33,33
1953,33.7,33.7,33.6,32.3,31,30.5,30.3,30.7,32.1,33,33,33.3
1954,33.4,34.5,33.8,32.2,31.4,30.1,30.1,30.6,31.7,31.8,32.6,32.3
1955,33.4,33.8,32.5,31.9,31.5,30.6,30,30.8,31.5,32.5,32.5,32.6
1956,32.6,32.9,32.6,31.9,31.1,30.2,30.4,30,31.4,31.7,32.6,32.7
1957,33.1,33.7,33.9,32.8,31.6,30.2,30.6,30.8,32.1,32.5,32.6,33
1958,34.5,34.9,34.8,32.8,31.5,30.5,30.9,31.1,32.9,32.5,32.5,33.4
1959,34.6,34.4,34.2,33.4,31.3,30.3,30.6,30.8,31.3,31.7,32.4,33.1
1960,34,34,34.1,32.2,30.3,29.7,29.9,31.3,31.2,32.5,32.7,32.9
1961,34.1,34.3,33.9,32.7,32.4,30.3,30.2,30.7,31.7,32.4,32.2,31.6
1962,33,34.2,33,33.2,30.7,29.4,29.5,31,31.4,32.2,32.6,33.1
1963,33.6,33.8,33.7,31.9,30.5,29.8,30.7,30.9,32.2,32.9,32.5,33.1
1964,34.9,35.4,34.8,32.3,32.1,30,30.2,31.1,31.4,30.8,31.4,32
1965,33.2,33.7,33.9,33.3,31.1,30,30.5,30.5,32,32.6,31.8,32.4
1966,33.8,34.5,33.5,33.2,31.9,30.6,30,30.5,31.4,32.3,31.9,31.6
1967,32.3,33.8,33.6,31.4,31.2,29.4,30.3,30.3,30.9,31.3,32.7,32
1968,33.3,34.5,33.3,31.1,29.6,29.6,30,30.2,30.9,31.6,32.1,32.7
1969,32.6,33.1,33.5,31.9,31.4,30.5,30.4,30.5,31.1,31.3,32.2,31.6
1970,32.5,32.8,32.6,31.8,31,29.7,29.9,30,30.6,32.1,32.4,31.8
1971,32.6,32.7,32.5,31.6,30.1,29.8,30.8,30.6,30.7,31.4,31.3,31.6
1972,31.8,32.8,32.4,31.1,30.4,29.8,31,30.8,31.8,32.2,32.7,33.9
1973,34.3,34.9,33.8,31.6,31.2,30.4,30.5,30.5,30.5,33.5,32,31.6
1974,32.6,33.8,33,31.8,31.7,30.9,31.1,30.7,31.3,31.3,31.7,31.6
1975,32.6,31.8,33,32.1,30.7,30.3,30.6,30.5,31.2,31.8,31.8,32.7
1976,32.5,33.1,32.1,31.1,31.1,29.3,30.5,32,31.7,32.5,31,31.9
1977,33.6,33.9,33.2,32.9,30.3,29.5,30.6,30.8,31.1,31.5,32.1,32
1978,33.3,35.6,34.1,31.7,31.4,29.7,30.9,29.5,31.5,31,32.4,33
1979,33.7,34,32.8,31.6,31.6,29.5,30.2,30.4,32.2,31.7,32.9,32.2
1980,33,34.9,33.7,32.5,31.2,30.8,30,30.3,31.4,31,31.5,32.1
1981,33.6,33.4,33.7,31.2,30.5,29.8,29.3,30.2,30.8,31.4,31.9,31.7
1982,33.4,33.6,33.1,31,30,29.9,29.5,30.6,31.8,31.8,32.5,32.1
1983,34.2,34.9,34.8,32.1,32,31,30.5,30.8,31.8,31.4,32.2,31.4
1984,32.7,33.4,34.8,33.5,32.8,30.3,30.4,31,31.7,32.5,32.6,32.6
1985,35,34.4,34.1,33,30.6,28.9,29.7,29.8,31.1,31.4,31.2,31.7
1986,32.8,34.4,33.6,31.5,31,30.1,29.8,31.2,31.8,31.7,32.1,32.3
1987,34.3,34.5,34.5,33,31.1,30.4,31.8,31.2,32.4,33.2,33.5,34
1988,35.2,35,35.6,34,32.8,30.4,30.2,31.4,32.1,32.6,32,32.3
1989,32.3,32.5,32.5,32.7,30.4,29.4,28.3,29.8,30.3,32,30.7,30.5
1990,31.6,34.2,34,31.7,31.1,29.9,29.6,30.2,32.3,30.9,31.8,32
1991,33.5,34.3,33.4,32.2,31.9,30.3,29.3,29,30.8,30.6,31.3,31.5
1992,33,34.6,34.5,32.4,30.3,30.6,28.8,29.7,31.3,31.3,31.1,32.5
1993,32.8,34.2,32.7,31.3,30.1,29.1,29.2,31,31.2,33,32.1,32.1
1994,34,34.2,33.4,31.7,30.8,29.8,29.5,30.4,30.7,31,30.6,30.3
1995,33.3,35,33.9,33.1,31.7,30.2,30.2,30.5,32,31.9,32.1,32.6
1996,33.8,34.2,34.5,33.2,31.5,29.6,31,30.5,31,32.2,32.3,32.6
1997,33.6,32.7,33.9,32.8,31.2,31,30.9,31.1,31.6,32.8,32,31.6
1998,33.1,32.9,31.7,32.6,31.2,29.1,31.1,31.7,31.8,31.9,32,31.9
1999,33.7,33.2,33.2,30.8,31.9,31,30.7,30.2,31.2,31.7,32.3,32.4
2000,33.7,33.6,33,32.4,31.8,30.7,30.6,31.6,31.9,32.1,32.8,32.3
2001,33.9,33.9,33.9,33,31.7,30.3,31.6,31.4,32.4,32.9,33.5,32.5
2002,33.9,35.5,34.1,32.9,32.6,30.6,31.6,31.5,32.2,32.6,31.5,32.3
2003,35.4,35.3,34.7,33,31.8,31.5,30.7,31.4,32.1,32.4,32.8,32.9
2004,34.8,35.6,35,33.1,31.3,30.1,30.3,30.6,32.1,33.1,33,32.6
2005,34.8,34.7,35.2,31.8,31.4,30.8,31.3,31.6,32.5,33.1,33,32.6
2006,34,34.3,33.1,32.9,30.4,30.5,30,31.2,33,32.7,32.8,33.3
2007,34.1,36.3,34.1,32.8,31.9,30.6,31.4,31.2,31.9,32.4,33.1,32.7
2008,33.8,34,34.3,33.4,31.4,30.8,31.1,31.4,32,31.9,31.5,31.3
2009,32.9,34,32.8,33.1,31.2,30.1,30.3,31.1,31.9,33.4,32.7,32.8
