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