1901,33,35.3,36,37.7,33.1,30.9,30.8,30.7,30.5,32.4,32.8,32.2
1902,32.1,34.5,36.1,37.4,33.1,30.9,29.8,30,30.5,31.7,31.8,32
1903,31.7,33.8,35,37.5,34.1,30.4,30.4,29.6,30.5,32.1,31.5,30.2
1904,31.2,33.3,35.5,35.8,33.3,30.2,29.9,30.3,31.2,32.2,31.6,30.9
1905,31.2,33.8,35.2,36.5,33.8,30.4,30.5,30.2,31.3,32.2,32.7,32.9
1906,33.7,34.4,35.4,37.4,34.9,30.8,30.7,30.2,31.7,31.9,32,32
1907,32.3,34.1,35.1,36.9,32.7,30.9,29.9,30.1,31,32.1,32.2,30.9
1908,32.3,33.9,36,37.6,33,30.4,30,30.1,31.1,32,31.4,32
1909,32.7,34.3,36,37.4,33,30.4,30.2,29.7,31.3,32.2,32,30.7
1910,32.2,33.7,34.5,36.3,33.2,30.8,30.1,30.1,30.8,31.5,32.3,30.7
1911,32.1,33.7,35,36.2,33.1,30.6,30.1,30.3,31.2,31.7,32.8,32.3
1912,32,34.2,35.5,37.3,33.7,30.9,30,29.7,30.8,31.5,31.5,31.3
1913,32.3,35.2,35,36.6,33.5,30.7,29.9,29.8,30.8,31.6,31.6,31
1914,30.7,34.2,35.2,36.1,33.3,30.1,30,29.4,31,31.6,32.7,32.1
1915,32.2,35,35.5,36.4,32.7,31,30.2,30.1,30.8,32.2,32.1,30.3
1916,30.7,34.6,35,36.8,32.8,29.8,30.7,30.6,31.7,32.3,33,31.8
1917,31.6,34.1,35.8,37,33.3,30.2,30.4,30.4,31.2,32.4,33.2,31.5
1918,31.8,33.6,35.3,36,31.9,30.1,30.8,30.2,31.9,32.6,32.9,32.7
1919,33.4,34.8,36,37.3,34.4,30.3,30.6,31.1,31.3,32.9,33.1,32.5
1920,31.9,33.9,35.9,36.7,33.4,30.8,31,30.4,31.5,32.2,32.7,32.4
1921,33.1,34.1,35.5,37.2,33.1,30.6,30.5,30.6,31.3,31.7,32.5,32.1
1922,33.1,34.6,35.4,36.3,33.4,30.9,30.5,30.4,31.7,32.6,32.4,31.9
1923,33.4,32.6,36,35.9,32.6,30.7,29.3,29.7,30.8,31.6,32.4,32.2
1924,33.1,33.9,36.6,36.8,33.6,30.5,29.5,29.8,30.5,31.5,32.2,30.2
1925,31.7,34,35.9,35.5,32.9,30.7,30.6,30.4,31.6,31.7,32.7,31.9
1926,33.4,34.3,35.8,37.2,34.7,30.3,30.7,30.5,31.5,32.6,33,32.6
1927,32.4,34.4,35.3,36.1,32.4,30.8,30.8,30.5,31.3,32.2,32.9,32.6
1928,34.4,35,35.7,36.6,33.1,29.8,30.6,30.5,31.5,32,32.8,33.2
1929,34.1,34.2,35.9,36.8,33.1,29.9,30.9,30.5,31.8,32.5,33,32.9
1930,32.9,34.1,35.2,36.9,33,30.5,29.9,29.7,31,32.6,32.7,32.4
1931,33.8,34.5,35.7,37.3,33.9,31.2,30.6,30.6,31.1,31.6,31.9,32.3
1932,32.8,33.8,35.5,36.7,34.1,30.5,30.2,30,30.8,32.2,32.8,31.3
1933,33.7,34.3,35.9,36.4,33.5,29.9,29.9,29.7,30.9,32,32,31.7
1934,33.2,34.1,35.4,35.5,34.1,30.5,29.9,29.7,30.9,32,32,30.1
1935,33.1,34.3,36.1,36.9,33,30.6,30,29.4,31,32.6,33,32.6
1936,32.2,33.3,35.5,36.3,33.6,29.9,29.5,30.1,30.8,31.5,33.8,34
1937,33.4,34.9,35.7,37.4,32.5,30.5,29.7,30.2,31.2,32.5,33.9,31.6
1938,33,33.7,35.8,36.3,31.7,30.2,29.4,29.7,30.8,31.7,30.5,31.5
1939,33.2,33.5,35.9,37.3,33,30.4,29.1,29.4,30.5,31.8,32.5,30.3
1940,31.5,33.7,35.5,37.5,33.5,30.5,29.1,29.6,30.9,32.2,31.7,30.8
1941,32.2,33.6,35.6,37.9,35,30.8,30,30.2,30.8,32,32.5,32.3
1942,32.5,35.7,36.4,36.4,33.6,30.9,29.3,29.3,30.4,31.8,31.7,31.5
1943,31.7,32,35.9,35.4,33.8,30.2,29.8,29.7,30.8,31.7,31.2,30.7
1944,32.2,33.7,35.6,36.9,34,31,29.5,29.6,30.9,31.5,31.9,31.3
1945,32.2,34.4,35.5,36.4,33.5,30.8,30.1,30.2,30.9,31.1,32.3,30.4
1946,32.1,33.9,36.5,36,33.7,31.7,31.2,30.4,31.4,31.6,33.6,33.7
1947,34.3,35.2,36.9,36.7,35.7,31.1,30.3,30.3,31.6,32.5,33.1,32.9
1948,33.5,35.6,36.4,35.6,33.6,31.7,30.7,30.8,31.2,32.3,32.8,32.9
1949,32.9,34.7,36.3,35.3,33.2,31.1,30.3,30.2,31.1,32.5,32.6,32.3
1950,31.8,35,35.1,35.3,34,30.3,30,30.2,31.4,31.7,32.7,30.6
1951,30.5,33.6,36.1,36.8,35.4,30.5,30,30.2,31.7,32,33.2,30.5
1952,31.2,34.2,34.2,36.5,35,30.9,29.7,29.8,30.4,31.1,31.1,30
1953,30.2,32.2,34.6,36.4,32.8,31.7,29.8,29.5,31,32.2,31.5,31.7
1954,31.5,34.6,35.6,37.1,31.9,31.3,30.3,29.7,30.3,30.7,32.9,31.6
1955,32.6,34,34.5,35.8,33,29.6,29.5,29.7,30.9,32,32.3,30.9
1956,32.3,33.3,34.9,36,31.8,31.2,30,29.8,30.8,31.8,32,31.7
1957,31.7,33.4,35.9,37.2,36.2,30.9,29.9,30.4,31.3,32.1,33.3,33.3
1958,33.3,34.6,35.1,37.5,35,31.1,29.9,30.7,31.4,32.3,32.8,31.3
1959,32.5,34.8,34.6,36.5,34.5,31.1,30,29.7,30.1,32,33.3,33.5
1960,32.5,34,35.9,36.5,31.6,30.8,30.2,29.7,30.7,31.3,32.4,30.7
1961,32.2,32.7,34.4,36.8,33.2,30.7,29.4,29.5,29.6,31,32.2,30.5
1962,31.2,33,35.2,36.9,34.3,30.3,30.1,30,30.8,31.9,32.5,31.6
1963,31.5,34.4,34.8,37.1,35.5,30.4,29.4,29.8,31,31.3,32.3,30.6
1964,32.5,34.7,36.4,37.8,32.5,30.6,29.9,29.9,30.5,31.4,31.7,31.5
1965,32.5,34.4,35.6,36.3,34.3,29.9,30.2,30,30.6,31.3,32.1,32
1966,32.5,34.9,35.6,37.2,34,30.7,30,29.6,30.9,32,33,32.9
1967,33.9,34.1,35.6,36.7,33.5,31.1,30,29.4,29.9,31.4,32,31.5
1968,32.3,33.8,35.8,36.4,33.2,30,29.9,29.8,31.1,31.8,33.1,32.5
1969,32.1,34.1,35.8,37.7,33.9,30.6,29.7,29.6,31.1,32.4,32,32
1970,32.4,34.7,36.2,36.8,32.1,30.2,29.4,29.5,30.3,31.1,31.5,30.5
1971,30.6,33.4,34.8,36.8,33.3,29.4,28.9,29.4,30.8,31.1,31.3,31.6
1972,31.3,33.3,35.1,35.5,34,30.9,29.7,29.5,31.3,32,32,30.8
1973,31.7,34.3,35.9,37.9,31.8,31,30.3,29.7,30.8,32.2,31.2,31.1
1974,30.9,34.3,35.3,35.9,32.5,29.9,29.4,29.6,30.7,31.9,31.3,30.7
1975,30,32.6,35.4,34.6,29.9,29.8,29.5,29.5,30.4,31.6,30.9,30.5
1976,31.8,33.5,34.8,33.5,30.1,30.1,29.5,29,30.6,31.2,31,30.4
1977,30,31.5,35.9,36.5,33.4,31.3,28.7,28.9,29.4,30.6,30.7,30.9
1978,30.4,32,35,37.3,34.1,31,30.3,30.3,30.8,32.1,33.3,33
1979,33.5,35.1,36.1,37.1,33.7,31.7,31.2,30.1,31.9,32.4,33.9,33.3
1980,33.4,35.1,35.7,37.5,34.6,30.1,29.9,29.5,30.7,31.2,32.7,31.2
1981,31.7,34.3,36.2,37.4,33.9,30.6,29.3,29.6,31.1,31.7,31.5,29.9
1982,31,33.8,36.6,37.1,34.2,30,30,29.7,30.3,32,32.4,30.4
1983,31.1,34.1,35.8,38.1,36,31,30.8,30.3,31,31.3,30.8,30.6
1984,32,34.3,35.7,36.7,33.4,30.3,29.6,29.9,30.9,31,32.7,31.8
1985,33.3,34.8,36.5,37.6,33.6,29.8,29.6,29.7,31.2,31.8,31,31
1986,31.3,33.9,35.9,37.9,33.5,31,29.7,30.2,31.1,31.7,32.1,32.1
1987,33,33.4,35.2,37.5,36.5,31.1,30.7,30.4,31.4,32.5,32.3,31
1988,32.5,34.8,36,36.6,33.5,30.8,29.9,30.2,31.2,30.9,30.7,30.8
1989,32.8,33.7,34.4,36.8,33.6,29.6,29.7,29.8,30.3,30.5,31.5,31
1990,33.2,34,34.9,37.4,33.3,30,29.7,30.6,30.9,31.9,32.2,32.1
1991,32.5,35.1,36.2,37.1,36.2,30.6,30.2,30,31.2,31.9,31.5,31.2
1992,30.7,32,36,37.3,34.7,31.5,29.8,30.4,30.9,30.3,31.2,30.1
1993,30,33.8,36,36.9,34.2,31.3,30.8,30.1,31,32,33.2,33
1994,33.4,34.7,34.7,36.2,33,29.9,28.7,29.3,30.8,32.1,31.9,31.9
1995,32.4,33.5,35.9,38,33.5,30.2,30.1,29.9,31.2,32,31.7,31.1
1996,35,32.9,35.1,35.6,32.5,30.9,30.1,30,30.6,31.2,32.3,32.1
1997,31.4,34.1,34.9,35.6,34.3,31.1,30.1,30.3,30.9,32.2,32.4,32.7
1998,32.7,34.6,36.1,38,35.2,31.8,30.8,31.3,32.4,33.3,33,33.6
1999,34.2,35,35.7,35.4,31.4,30.4,29.6,29.8,30.2,31.5,31.7,30.8
2000,32.9,33.2,35.8,36.2,32.3,30.1,29.6,30.5,30.5,32.1,32.6,32.4
2001,33,34.6,35.3,37.9,32.2,29.9,29.1,29.8,30.5,31.3,31.5,31.8
2002,31.4,34,35.2,36.9,32.4,29.8,29.2,29.2,29.9,31.8,31.4,31.3
2003,30.1,33.7,34.3,36.3,32,29.7,29.7,29.8,30.8,32,33.2,31.6
2004,31.5,33.5,34.9,37,31.5,29.9,29.1,29.8,30.1,31.5,32.7,31.6
2005,31.3,35.4,35,36.8,33.5,30.9,30.4,29.3,30.3,31.6,32,30.8
2006,32.3,34.9,36.4,36.6,32.7,30.9,29.2,29.2,30.7,31.7,33.1,31.9
2007,31.8,34,35.3,37.2,32.4,30.8,29.6,29.9,30.7,31.3,31.2,31.8
2008,33.9,33.5,35.9,36.4,32.2,30.5,30,30.1,31,32,32.3,31.5
2009,32.2,35,35.8,36.9,33.4,30.5,30.2,31,31.9,32.6,33.3,32.5
