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