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