1901,31.4,32.1,32,31.9,31.7,30.5,31.8,33.9,34.8,33.8,32.3,30.4
1902,31.3,31.2,31.7,32,32,30.8,31.9,32.6,34.7,33.5,32.7,31
1903,31.7,32.5,31.9,31.5,30.5,30.2,31.5,32.6,34.3,32.7,31.5,29.9
1904,30.5,30.8,31,31.5,30.3,30.1,31.2,32.9,33.7,32.7,32.3,30.5
1905,31,31.9,31.3,31.6,31.6,31,31.6,32.9,33.7,34.1,32.5,30.8
1906,31,31.5,31.5,32.1,31.6,29.4,31.3,33.2,34.1,32.8,32.5,30.3
1907,30.9,30.8,31.9,31.5,30.7,30.1,30.6,32.5,34.1,32.9,32.4,30.8
1908,31.5,31.5,31.9,32.1,31.3,30.4,31.3,31.8,34,32,31.9,30.6
1909,31.4,31.5,31.6,31.6,30.6,29.5,30.7,32.4,34.2,32.9,32.1,30.4
1910,30.7,31.2,30.7,32.1,30.2,30.5,31.4,32.9,34.1,32.8,32.3,30.4
1911,30.8,32.1,30.9,31.8,30.8,29.6,31.1,32.9,34.2,33.3,32.5,31.3
1912,32,31.9,32.3,32.4,31.5,29.6,29.2,32.1,32.8,32,31.6,29.6
1913,30.6,31.1,30.9,30.8,29.5,29.1,30.1,31.4,32.6,31.9,31.8,30.2
1914,31,31.5,32.1,31,30.1,30,30.8,31.7,33.1,31.8,31.6,30.4
1915,31.4,31.2,32.1,32.3,31.3,29.6,31.2,31.9,32.8,32.5,32,30.7
1916,31.3,31.2,31.3,30.7,29.5,28.8,30.3,32.7,33.3,31.8,30.3,29.6
1917,30.4,30,31.2,31,29.2,29,29.1,32.4,31.9,32.5,31.8,29.4
1918,30.8,30.9,32.1,31,31.1,30,30.9,33.1,34.5,33.5,33.3,31.8
1919,33,33.7,32.6,32.2,32.1,30.1,31.2,32.3,35.1,33.7,33,31.2
1920,32,32.4,32.2,32.1,30.9,29.5,30.6,32.3,34.6,34.3,33.5,31.7
1921,32.1,31.7,32.3,31.5,31.4,28.9,30.2,32.8,34.4,33.6,32.8,32.5
1922,32.3,32.5,32.3,32.1,30.4,30,30.8,32.7,34.4,32.5,32.3,31.1
1923,32.1,32.5,32.7,31.2,30.2,29.6,30.5,32.6,34.7,33.7,32.8,31.3
1924,32.9,33,32,31.9,30.9,30,30.7,32.3,34.2,32.8,33.5,31.3
1925,31.5,31.9,32,32,31.3,29.3,30.4,33.1,35.1,34.3,33.4,32.4
1926,33.1,33,32,31.9,30.9,30.7,30.4,33.2,35,34.7,34.2,32
1927,32.4,32.3,32.5,31.8,30.7,29.7,30,32.9,34.9,34.8,34.1,32.5
1928,32.9,33.1,31.7,32.3,31.9,30.3,30.3,32.7,34.5,33.7,34.2,32.1
1929,33,32.6,32.4,31.8,30.9,30.3,30.9,32.8,34.3,33.8,33.5,31.7
1930,31.8,31.9,31.7,32.3,30.7,30.5,30.7,32.5,33.6,34,33.3,32.5
1931,32.9,32.8,31.6,32.1,31.1,30.1,30.2,33.1,34,34.2,34.1,31.5
1932,32,32.6,32.1,32.2,29.8,29.3,31.4,32.9,34.5,34.2,33.6,31.7
1933,32.4,32.1,32.4,31.7,30.9,29.6,29.7,32.7,34.7,33,32.9,32
1934,31.4,31,32.3,31.7,31,30.5,30.7,32.2,33.5,33.7,33.1,31.8
1935,32.1,32.2,32.4,31.5,30.7,30.2,30.9,32.5,34.3,34.7,33.5,32.3
1936,32.3,32.8,31.7,32,32.1,30.3,31,32.8,34.9,34.5,33.1,31.9
1937,32.2,32.4,32.2,32.3,31.3,30.3,32,33.9,35,33.9,34.3,31.9
1938,32.7,32.5,32.7,32.2,31.1,29.7,31.9,33,34.4,33.8,33.3,32
1939,31.9,32.7,32.7,33.1,31,30.6,31.6,32.6,34.7,34.4,33.8,32
1940,32.5,32.7,32.6,32.6,31.9,30.5,32.8,32.9,34.8,34.3,34.1,32.1
1941,31.7,30.6,32.3,33.3,30.3,29.8,32.1,32.7,34,33.7,32.3,31.5
1942,32.5,31.5,31.9,33.4,31,29.3,31.3,32.9,35.8,34.5,32.4,30.9
1943,32.2,31.1,31.5,32.8,29.8,28.8,31.8,32.7,33.6,34.9,33.1,32
1944,31.8,32.5,31.8,33.1,32.2,31.9,30.8,33.3,35.4,33.7,32.2,30.6
1945,31.2,31.5,31.4,31.3,29,30,31.2,33.6,34.1,32.2,32.5,30
1946,31.9,31.2,32.4,31.3,30.4,30.8,30,30.8,33.5,32.9,30.7,29
1947,29.8,29.6,31.4,31,29.1,29.5,29.2,30.4,34.5,33.2,31.4,30.2
1948,31.8,31,30,31.2,29.8,28.9,30.4,32.6,35,32.5,32,30.5
1949,30.1,31.1,31.2,31.3,32.3,31.1,29.4,33.9,34.3,34.9,33.5,32.3
1950,30.2,32.1,30.8,31.8,32.2,30.7,31.1,32,35.6,33.7,33.3,30.4
1951,30.3,30.9,31.7,30.3,31.1,29.6,31,31.9,34.1,34,32.2,31.5
1952,31.2,31.5,32.2,30.4,30.4,28.3,30,34.3,33.9,34,32,31.8
1953,31.5,31.9,31.9,31.9,31,30.5,28.9,35.5,35.8,32.1,33.1,31.2
1954,30.7,31.1,30.7,32,29.5,30.5,29.5,33.1,35.5,33.7,34.5,31.5
1955,32,31.4,31.4,31.3,30,30.8,28.4,33.8,35.6,34.8,33.1,30.9
1956,30.3,31.8,33,31.2,28.8,28.6,30.2,31.1,33.9,32.6,32.2,31.5
1957,30.9,30.9,32.2,30.1,31.9,29.3,27.9,31.9,33.3,33,31.8,31.6
1958,30.5,31.5,31.7,29.9,27.7,31.3,30.8,30.2,33.7,31.5,30.6,29.5
1959,30.1,31.1,29.9,29.8,29.6,29.8,29.9,32.7,34.8,34.9,32.7,31.9
1960,32.5,32.6,32.7,30.4,28.3,29.8,29.5,31.2,34.7,31.8,31.8,31.5
1961,32.5,32.6,32.2,32.9,31.7,29.7,31.5,36.4,36.8,35,33.4,31.5
1962,32.4,32.9,32.5,32.4,31.5,31.2,31.1,33.3,36.9,33.9,35.9,31.1
1963,31.5,31.3,32.4,32.4,32,30.7,33.2,36,35.9,36.3,34.3,32.7
1964,32.6,32.8,31.6,34,30.2,29.7,31,34.2,33.5,31.4,31.9,31.5
1965,32.4,33.1,32,32.8,31.2,32.3,30.1,33.6,34.9,34.3,33.1,30.4
1966,32.9,31.6,32.1,32.8,31.5,31.5,31.4,30.9,34.3,33,33.3,30.9
1967,31.9,31.9,31.6,33.6,33.8,28.3,31.7,34.7,36.8,35,33,32.3
1968,32,31,31.3,32.8,31.7,32.6,32.6,32.8,34.4,33.9,34.8,31.9
1969,33.4,32.2,32.6,33.4,33.1,30.2,31.6,33.4,36.1,34.1,33.2,31
1970,32.6,32.9,31.9,32.5,31.3,30.2,31.1,33.1,36.2,34.8,34.5,30.8
1971,30,31.1,33,31.9,29.9,29.2,32.4,33.3,34.5,31.5,32.6,32.1
1972,31.6,31.9,32.1,33.2,32.3,32.1,30.9,30.9,33.4,34.3,31.8,31.1
1973,32.4,31.9,33,32.7,30.7,30.7,29.3,31.1,34.6,33.9,31.2,29.9
1974,30.6,29.9,30.9,30,31.4,29.6,30.5,31.9,33.7,31.7,33.3,29.5
1975,30.3,30.4,31.6,31.1,29.9,30,31.3,31.7,32.6,34.3,32,31.6
1976,31.2,31.1,30.7,31.1,30,28.6,30.1,34.7,33.4,35.1,32.7,32.2
1977,32.5,31.9,32.2,32.4,29.2,30.4,31.8,31.3,32.5,31.8,30.8,30.2
1978,31,30.7,32,31.8,30.4,30,31.3,31.7,33.4,33.2,33.4,29.7
1979,30.6,31.3,30.7,31.4,30.4,29.8,30.8,34.1,33.9,33,33.9,31.7
1980,31.4,31,31.9,30.4,30.7,29,29.5,31.5,32.6,32.7,32,31.4
1981,30.4,31,31.5,32.2,31.6,28.6,29.7,32.3,31.8,32,32.3,30.2
1982,31.4,31,30.2,31.2,30.2,28.3,31.2,31.8,32.8,33,31.9,31.3
1983,32.1,32.8,31.9,32.4,29.8,26.1,29,31.3,32.1,33.2,31,31.4
1984,30.4,30.9,30.6,31.5,31.7,29.2,31.4,33.1,34.6,34.3,31.6,30.8
1985,31.7,31.1,32,29,31.7,31.3,29.8,31.8,33.4,34.6,32.4,31.8
1986,31.9,30.5,30.8,32.2,30.7,32.9,30.8,32.5,31.5,33.4,33,31.9
1987,31.9,32.9,33.1,31.8,29.5,29.4,32.5,31.8,35.1,34.7,33.5,30.6
1988,32,32.5,32.2,30.9,28.9,27.2,31.2,35.2,34.9,35.4,34.9,30.6
1989,31.2,32.2,31.7,31.5,29.4,29.3,29.8,31.8,32.8,33,32.5,31.2
1990,31.1,30.8,31.5,32.2,28.9,28.6,28.5,31.9,33.2,33.6,32.3,31.2
1991,31.7,32.3,31.9,31.7,30.9,29.7,31.1,32.2,33.2,33.5,32,30.8
1992,31.5,31,30.1,31.9,31,30.3,29.4,30.4,33.1,32.3,31.5,30.8
1993,30.7,31.1,31,31.7,31.2,30.7,29.9,31.4,33.7,33,33.1,31.3
1994,31.9,32.2,32.4,32.4,31.8,31.1,30.7,33.4,35.2,34.5,33.7,31
1995,31.8,32,31.9,31.3,29.6,31.1,31.2,31.6,34.8,34.2,33,31.6
1996,31.2,31.6,31.6,32.5,30.7,28.4,31.5,32.9,31.9,33.5,31.6,30.5
1997,31.1,31.5,30.7,31.8,31.3,30.7,32.1,30.7,34.7,34.1,33.1,30.8
1998,33.8,33.2,32.7,32.5,31.4,28.8,32.7,32.2,31.5,32.9,31.7,31
1999,31.1,31.7,31.6,30.7,30,29.2,30.5,30.5,35.2,32.3,32.4,30.1
2000,31.6,31,31.2,32.9,29.8,29.2,28.1,31.7,33.1,33.6,32.7,30.4
2001,31.7,31.5,31.5,32.7,28.7,28.9,30.5,33.6,34.3,34.3,31.5,29.9
2002,31.8,31,32,33.3,31.1,28.5,29.9,32.1,33.1,33.9,33.4,31.1
2003,31.6,31.5,30.9,31.7,30.9,31,31.1,29.9,32.1,33.2,32.8,30.7
2004,31,31.2,32.9,33.1,30,29.7,30.2,33.1,33.8,34.2,33.7,31.7
2005,32.6,31.8,33.1,33.1,31.4,30.6,30.9,32.8,31.3,31.7,32.7,30.2
2006,32.1,31.6,32.7,32.5,30.8,30.2,32.7,31.1,32.5,30.7,32.3,29.9
2007,31,31.4,31.6,32.5,28.1,30.3,30.1,30.4,34.6,33,32.8,29.7
2008,30,30.8,30.6,30.8,29.4,28.1,33,33.2,32.9,34.4,33,31.1
2009,31.3,31.7,32.6,32,30.1,28.3,29.7,32.3,32.6,33.9,32.8,29.8
