1901,31.7,32.4,32.1,31.8,32.1,31.1,32.6,35.1,35.7,35.1,33.4,31.7
1902,31.7,31.4,31.4,32.1,32.7,31.9,32.2,32.9,35.5,34.5,33.6,32.5
1903,32.1,32.5,31.7,31.7,30.8,31,32.2,33.4,34.8,33.5,32.2,31.6
1904,30.8,31,31,31.7,30.5,30.2,31.8,33.6,33.9,33.4,33,31.9
1905,31.2,32,31.2,31.5,32.3,31.6,31.8,33.6,34.1,35.4,33.5,32.6
1906,31.1,31.8,31.3,32.1,32.3,29.4,31.7,34.3,34.2,33.9,33.6,32.3
1907,31.3,31.5,31.8,31.6,30.7,30.2,30.6,33,34.6,33.9,33.4,32.6
1908,31.9,31.9,32,32,31.6,30.5,32,31.9,34.7,32.5,32.7,32.5
1909,32.3,32.2,31.3,32.1,30.1,29.9,30.9,33.3,34.6,33.7,33.2,32.1
1910,31.6,31.8,30.8,32.5,30.3,31.2,32.2,33.9,34.8,33.9,32.9,32.1
1911,31.2,32.4,30.8,31.5,31,29.5,30.9,33.4,34.1,33.8,33.3,32.5
1912,32,31.9,31.7,32.3,31.9,28.6,27.5,31.8,32,31.6,32.2,30.2
1913,30,30.2,29.8,30.2,28.5,28.5,29,30.9,32,31.6,31.6,30.7
1914,30.5,30.6,31.9,30,28.6,29.4,30,30.6,32.3,31.5,31.8,30.6
1915,30.7,30.4,30.6,31.3,30.4,29.2,31.4,31.2,31.8,32.4,33,32.2
1916,31.7,31.6,31.2,30.1,28.5,28.7,30.7,34.1,33,31.7,30.6,31.3
1917,30.8,30.4,31.1,31.2,29,29,27.7,32.9,30.9,33.3,32.8,31.5
1918,31.6,30.6,30.9,30.9,31.1,29.6,30.1,33.4,34.5,33.9,33.2,32.4
1919,32.5,32.9,31.9,32.2,32,30.3,31.1,32.2,34.9,34.4,33.1,31.8
1920,31.7,31.6,31.3,31.8,30.7,29.3,29.6,32.4,34.5,34.1,33,32
1921,31.4,31.4,31.5,30.8,31.5,28,29.1,33.7,33.8,33.8,32.4,33
1922,31.4,31.5,31,31.6,30.2,29.4,30.1,33.2,34.4,32.3,32.4,31.6
1923,31.3,31.6,31.1,31,29,29.7,29.5,33,34.8,33.7,32.5,32.2
1924,31.9,31.9,31.5,31.4,30.1,30.4,30.4,31.6,34,33,33.6,32.3
1925,31.2,31.2,30.6,32,30.5,28.9,29.8,33.6,34.6,33.6,33,32.5
1926,32.1,32.5,31.7,31.5,30.2,30.9,29.8,33.2,35.4,34.5,33.6,32.3
1927,31.5,31.8,31.3,31.4,30.3,28.6,29.1,33.1,34.5,34.8,34,32.6
1928,32.3,32.2,31.1,32.4,31,30,29.5,32,34.1,33.7,33.8,32.2
1929,32,31.8,31,31.4,29.4,29.8,30.6,33.5,34.6,33.8,33.3,31.9
1930,31.5,31.4,31.1,32.1,31,30.9,30.2,33.8,34.2,33.8,33,32.6
1931,32.6,32.5,31,31.8,29.7,29.1,29.8,33.2,33.9,34.2,33.1,31.9
1932,31.4,31.8,31.1,32,29.8,30,31.2,32.7,34.8,34,33.5,31.9
1933,31.8,31.6,31.5,31.2,30.7,28.4,28.8,32.8,34.4,33.5,32.7,32.4
1934,30.8,30.6,31.1,30.9,30.6,30.6,30.3,32.9,33.5,33.1,32.8,32.1
1935,31.7,31.7,31.4,30.7,30.3,30.3,30.7,33.1,34.1,34.2,33.1,32.9
1936,31.7,31.9,31.2,31.8,32,30.7,30.8,33.1,35.4,35.4,33.3,32.4
1937,31.9,32.3,31.3,31.4,30.7,30.6,31.4,34.5,34.9,33.4,34.1,32.6
1938,31.9,32.2,31.2,31.1,30.9,29.9,31.6,32.9,34,32.8,33.5,32.1
1939,31.8,31.8,31.5,32.2,31.7,30.8,30.8,33.4,34.7,34.6,33.5,32.5
1940,32,32.2,31.7,32,32,30.5,32.8,33.6,34.8,34.4,33.2,32.9
1941,31.2,31,31.6,32.9,30.2,29.2,31.6,33.2,32.6,33.6,32.9,32.9
1942,32.2,31.3,31.1,32.6,29.8,28.5,29.7,33.4,35.6,33.8,32.4,31.6
1943,32,31,30.7,32,30.8,29.5,31.5,31.4,33.7,33.9,32.5,31.8
1944,31.6,31.6,31,32,31.3,31.3,30.5,35.1,36.1,34.4,33.1,33.5
1945,30.8,30.2,30.8,31.6,28.1,32.1,31.3,35.6,34.8,33.2,32.6,31
1946,30.5,31.4,30,31.2,30.1,29.7,29.9,32.3,33.1,32.8,32.8,30.4
1947,30.3,30.7,30.3,31.4,31.1,30.2,28.9,33.2,31.8,32.2,32.1,30.2
1948,30.9,30.3,30.2,31.4,30.4,30.8,31.1,32.5,34.1,32.9,31.7,31.5
1949,31.1,30.8,30.8,30.3,30.3,30.2,28.9,33.5,33.3,35.3,32.5,31
1950,31.3,31.3,30,31.3,30.9,30.6,31.5,32.9,35.6,33.6,31.6,31.8
1951,30.1,30.8,30.6,29.8,31.2,29.9,31.2,32,34.2,33.8,32.1,32.2
1952,31.2,31,30.8,30.5,30.7,27.2,30.4,33.6,33.6,33.2,31.8,31
1953,30.3,31.3,30.4,31.2,30.9,30.6,29.5,34.9,35.8,33.4,32.8,31.9
1954,31.1,31.1,30.4,31.7,30.1,29.5,28.9,32.6,34.9,33.3,33.2,32.2
1955,30.9,31.5,30.5,31,30,30.3,27,34,35.3,34.2,33.6,31.1
1956,30.2,31.1,31.8,30.7,28.9,27.7,30.2,31.9,34.3,33.1,32.4,31.8
1957,30.6,30.9,31.5,30.1,31.6,29.2,28.3,33.2,33.1,34.1,32.4,32.7
1958,31.4,31.8,31.4,30.6,28.4,31.4,31.8,31.2,34.3,32.7,31.9,31.3
1959,30.5,31.3,30.2,30.6,29.8,31,30.9,33.3,34.7,35.4,33.1,32.8
1960,32.1,32.1,31.8,30.7,28.5,29.8,30.2,32.8,35.3,33.1,32.5,32.5
1961,32.1,32.3,32.1,32.7,31.7,29.5,31.9,36.9,36.7,35.2,33.4,32.3
1962,32.1,32.5,32,31.5,30.9,30.2,29.3,34.8,35.8,34.4,35.3,32.8
1963,31.7,31.6,32.1,32.6,31.8,30.5,32.6,36.8,37.7,36.7,33,33.5
1964,34.1,33.5,32.1,33.7,30.5,30.1,30.4,36.1,34.4,32,32.8,32.3
1965,31.7,32.3,30.6,31.7,31.4,32,30,33.8,35.3,35.2,34,32.9
1966,32.9,31.5,32.1,32.4,30.9,31.2,31.4,32.3,34.1,34.2,34.8,33.3
1967,32.6,31.7,31.3,33.5,33,28.6,31.1,34.5,35.6,35.6,34.2,33.3
1968,31.9,31.5,31.5,31.4,30.9,32.1,32.6,33.6,33,34.8,35.8,32.8
1969,33,33,32.4,32.9,32.8,30.6,31.4,33.8,35.9,34.5,33.9,33.5
1970,32.9,32.3,31.6,32.8,32.3,30,30.3,34.5,36.5,34,35.3,33
1971,31.1,30.3,30.8,31.5,29.9,30.2,32,32.9,34.3,32.3,32.9,32.3
1972,31.3,31.3,31.5,31.5,31.9,32,30.8,31.4,33.3,33.8,33.5,32.1
1973,32.2,31.9,32.1,33.1,30.9,30.8,29.4,31,34.4,34.1,31.7,31.9
1974,30.4,30.8,30.4,30.2,30.9,29.7,30.1,32.8,33.9,32.1,33.5,30.8
1975,31.1,31.2,31.5,31.5,29.9,29.7,30.6,32.3,33.6,34.1,32.3,32.2
1976,31.6,31.1,30.2,31.1,30.2,28.5,29.9,34,33.1,34.6,33.4,32.7
1977,32,31.8,31.8,31.7,29,30.1,32.2,32.3,32.5,32.5,32.4,31.6
1978,31.2,31.9,31.7,32.1,30.7,30,32.2,31.4,33.8,33.3,33.7,31.1
1979,30.2,31,30.5,30.8,30.9,29.2,30.9,34,33.3,33.6,33,31.9
1980,31.3,31.1,30.8,30.7,30.4,29,29.3,32.3,32.9,33.5,32.2,31.9
1981,30.7,30.8,30.9,32.1,31.4,28.5,28.9,32.6,32.1,33.3,32.8,31.7
1982,31.4,31.2,30.2,31.2,30.6,29.8,31,32.9,33,33.5,32.3,31.7
1983,31.5,32,31.5,32,30.5,27.1,29.4,32.1,33,33.3,31.5,32
1984,30.3,30.8,30.4,31.8,31.5,29.2,31.4,32.7,33.6,34.3,31.4,31
1985,31,31,30.8,30.5,31.2,30.3,30.1,32.2,32.8,34.6,33.1,32.8
1986,30.7,31,30.7,32.4,31,31.3,30.7,32.6,31.7,33.5,33.5,32.7
1987,31.3,32,31,32.4,30.1,29.8,32.1,31.6,34.8,34.6,33.2,31.8
1988,31.5,31.5,31.1,30.7,28.9,27.8,30.4,34.8,35.3,36,35,31.7
1989,31,31.7,31.5,31.4,29.3,30,29.5,31.1,33.4,33.8,33.2,32
1990,31.2,31.1,31.4,32.2,29,29,28.4,32.7,32.5,34.3,33.2,32.6
1991,31.9,32.2,31.2,31.7,31.4,30.3,31,32.9,33.8,33.7,32.8,32.1
1992,31.7,31.1,29.4,31,31.4,30.9,29,31.1,32.5,32.8,32.3,32.1
1993,31.2,31,30.9,32.2,31,30.8,29.5,31.8,34,34.1,33.6,32.3
1994,31.9,32,31.7,32.3,31.6,30.3,30.2,33.2,35,34.8,34.3,31.8
1995,31.8,31.8,31.4,31,29.9,31.4,31.5,33.1,34.6,33.9,33.1,32.3
1996,31.3,31.7,31.2,31.9,30.6,28.1,30.9,33.9,32.9,33.5,32.5,32.3
1997,31.3,31.5,30.8,31.8,31.3,30.9,31.6,32.6,35.8,35,34.2,32.6
1998,33.1,32.4,32.1,32.5,30.6,30.1,32.3,33.5,32.7,33.8,33.2,32.3
1999,31.8,32.1,31.2,31,30.8,30.5,30.3,32.9,34.8,34.4,33.3,32.3
2000,32.4,31.3,31.1,32.4,30.9,30.6,28.4,33.2,33.7,34.2,33.2,32.1
2001,31.5,32.2,31.3,32.6,30.5,29.2,31,35,34.2,34.3,32.8,31.5
2002,32.3,31.7,31.8,33.1,32.2,29.3,30.8,33.9,33.8,35.3,34.8,32.9
2003,32,31.7,31.1,31.6,31.3,31,30.2,31.2,33.3,33.4,33.3,32.7
2004,32.4,31.8,32.2,33,29.7,30.4,30.6,33.4,34.4,34.6,33.3,32.2
2005,32.6,31.7,31.4,31.8,31.4,30.6,30.6,33.8,32.2,33.1,33.5,31.7
2006,31.9,31.8,32.2,31.7,32,31,32.2,33.3,33.4,32.4,33.7,31.9
2007,31.8,31.8,31.4,32.3,30,30.8,30.3,32.2,35.5,34,33.5,31.5
2008,30.8,31.4,30.7,30.1,29.5,29,32.4,34,33.2,35.3,33.6,32.5
2009,31.1,31.9,32.7,31.8,31,28.7,29.8,33.5,33.6,34.8,33.9,31.4
