1901,32.2,34,35,33.9,32.9,32.5,32.1,32.1,31.2,31.3,30.9,30.5
1902,30.8,33.7,34.1,33.8,32.6,32.6,31.9,31.9,31.1,31.1,30.6,30.8
1903,31.7,32.8,34.8,34.4,32.9,31.7,31.6,31.6,30.9,30.8,29.8,28.5
1904,30,32.1,33.9,33.4,32.5,32.1,31.7,32,31.4,31.3,30.1,29.5
1905,32,33.9,34.5,34.4,32.5,32.1,31.8,32.2,31.5,31.4,30.8,31.9
1906,32.5,34.1,34.6,34.8,33.3,32.4,32,32.2,31.7,31,30.1,30.3
1907,31.2,33.2,33.7,33.8,32.3,32,31.7,31.7,31.3,31,30.6,29.1
1908,31.2,33,34,33.8,32.5,32,31.7,31.7,31.3,31.1,29.8,30
1909,31.3,33.2,34.1,33.8,32.4,32.1,31.6,31.9,31.3,31.3,30,29.5
1910,31.7,32.6,33.6,33.7,32.5,31.9,31.8,31.9,31,31,30.4,29.3
1911,31.5,33.7,34.6,34.3,33,32.7,32.6,32.4,31.9,31.5,32.1,31.5
1912,32.5,34.2,35.4,34.8,33.5,32.5,32.1,32.1,31.8,31.5,30.8,30.9
1913,32,34.2,35.3,34.4,33,32.1,32,32.4,31.7,31.7,31.1,31
1914,31.8,34.1,34.9,34.6,33.9,32.3,32.2,32.4,32.2,32,31.9,31.6
1915,32.4,34.5,35.1,34.7,33.4,32.4,32.3,32.4,32,31.6,31.2,30.1
1916,31.2,33.7,35,34.6,32.9,32.3,31.8,32.1,31.8,31.6,30.9,30.3
1917,31.4,33.2,34.1,34.4,32.4,32.2,31.9,31.8,31.4,31.2,31,30.2
1918,30.7,31.9,34.3,33.7,32.3,31.9,32.4,32.3,31.9,31.4,31.6,30.7
1919,32.7,34.3,35.3,34.7,33.4,32.6,32.1,32.6,32,31.8,31.1,30.8
1920,31.6,33.5,35.1,34.5,33.2,32.7,32.3,32.2,31.8,31.4,31.6,30.1
1921,31.9,33.2,34.7,34.3,32.5,31.9,31.8,32.3,31.6,31.2,30.6,30.8
1922,32.3,33.6,34,33.6,32.6,32.2,31.8,31.8,31.9,31.4,31.1,30.6
1923,31.6,33.1,34.4,34.1,32.6,32.3,31.4,31.7,31.1,31.4,31.2,31.1
1924,32,33.4,34.4,34.2,32.6,32.2,31.9,32.5,30.9,30.5,30.7,29.7
1925,31.8,32.6,34.1,33.9,33.3,32.7,32.2,32.6,32,31.3,31.3,30.3
1926,31.8,34.1,35.3,35.3,33.7,32.9,32.5,32.4,31.8,31.5,31.3,30.8
1927,31.7,33.6,35,33.8,32.7,32.4,32,32.4,31.9,31.2,31.1,30.9
1928,32.6,33.3,34.5,33.8,33.1,32.5,32.4,32.3,32,31.4,31,31.1
1929,32.2,32.9,33.9,34.4,33.1,32,32.4,32.3,31.9,31.3,30.9,31
1930,32.9,34.2,34.3,34.5,33.4,32.5,32.4,33,31.8,31.8,30.9,31.1
1931,32.3,34.8,36.4,34.9,33.7,32.7,32,32.5,31.6,30.9,31.5,30.6
1932,31.8,34.1,35.1,34.1,33.4,32,31.9,32.4,31.5,31.4,30.3,30.8
1933,32,34.6,34.9,34.1,33.8,33,31.9,32.5,31.7,31.1,30.3,30.7
1934,31.2,32.3,34,34,33,32.3,32.1,31.8,31.8,31.3,30.9,30.2
1935,32.6,34.6,35.2,34.5,32.4,31.9,32.1,32,31.9,31.8,31.1,31.1
1936,31.5,33.7,34.9,34.3,33.1,32.2,32,31.7,31.8,31.1,31.1,31.8
1937,32.7,34.8,35.6,34.4,32.1,32.5,32.1,32.6,31.6,31.1,31.3,30.3
1938,32.2,33.8,33.7,33.5,32.1,31.9,31.8,31.6,31.3,31.5,30.6,31
1939,32.5,33.2,34.3,33.6,32.8,31.3,31.6,31.8,31.1,30.8,30.7,29.3
1940,30.9,33.5,34.3,35,33,32.4,32.1,31.4,31.4,31.9,31.3,31.3
1941,32.8,34.1,34.8,34.9,33,32.7,32.3,32.1,32.1,31.8,31.4,31.8
1942,31.4,33,34,33.1,31.8,32,31.5,31.8,31.1,31.1,30.9,30.1
1943,30.9,33.5,34.3,33.5,32.7,32.3,32,32.6,31.6,31.2,30.5,29.6
1944,32,33.6,34.4,34.3,32.8,32.5,31.5,31.7,31.4,31.1,30.9,29.4
1945,31.6,33.4,33.6,33.8,32.6,32,31.7,31.9,31.4,30.7,31.4,30.7
1946,31.5,33.3,35,33.7,32.4,32.4,32.3,31.8,31.5,31.7,31.2,31.3
1947,32.5,33.9,34.4,34,33.2,32.5,31.8,31.7,31.8,31.3,31,30.5
1948,31.8,34,35.2,34.5,33.5,32.7,32.2,32.3,32,31.9,30.9,31.1
1949,32,33.8,35.7,34.4,33.1,32.6,31.9,32.2,32.1,31.1,31.3,31.3
1950,32.7,34,35.3,34,33.1,32.3,32,32.4,30.8,31.3,31.1,30.4
1951,30.5,32,33.7,33.6,31.9,32,30.7,31.6,31,31.1,30.8,30.2
1952,31.2,33.2,33.4,33.3,32.2,32.1,31.6,31.3,31.2,30.8,29.6,29.7
1953,30.6,31.7,33.3,33.1,32.1,32.1,31.4,32,30.7,31.3,30.7,30.5
1954,31.2,33.2,33.8,33.6,32.2,31.7,31.3,31.5,30.9,30.6,30.3,30.2
1955,30.4,32.9,34.7,33.5,32.3,31.6,31.8,31.4,31.6,30.7,29.5,30
1956,30.9,32.9,33.8,33.4,32,31.2,31.1,30.9,30.3,30.6,30.4,29.7
1957,31.2,33.1,34.1,33.6,32.8,32.7,31.5,31.7,31.3,31.1,31.6,30.4
1958,32.2,34,34.8,35.5,33.4,32.4,32.5,31.7,31.8,30.8,30,31
1959,32,34,34.2,33.8,32.8,32.3,31.4,31.3,31.5,30.9,30.5,30.6
1960,31.5,32.8,34.4,33.7,32.9,32,31.8,31.8,31.3,31.6,29.9,30.4
1961,31,33.1,33.9,32.9,32.3,32,31.7,31.9,31,30.7,30.4,30
1962,30.5,32.4,33.3,34.1,33,32.1,31.1,30.9,31.3,30.8,31.1,30.1
1963,29.7,32.2,33.9,34.9,33.6,32.4,32,31.3,31,30.7,30.7,30.7
1964,32.5,32.9,34.3,34.6,32,32.3,31.7,31.5,31.1,31.1,30,29.9
1965,31.5,32.8,33.8,33.2,32.4,32.1,31.6,31.5,30.8,31,30.8,29.5
1966,31.2,33.4,33.8,33.9,32.1,32.1,31.3,31.3,31.2,30.8,30.5,29.7
1967,30.1,32.2,33.9,33.8,32.4,31.9,31.5,31.2,31.4,30.6,31,30.5
1968,31.7,33.8,34.2,33.8,32.3,32.1,31.2,31.3,31.2,31,31.6,30.8
1969,31.9,33.7,35.1,34.7,33.4,31.9,31.9,31.8,31.2,31.2,29.5,30.2
1970,31.6,33.7,34.7,33.7,32.8,32.2,31.2,31.5,30.9,30.4,30.4,30
1971,30.6,32.5,33.2,34.4,32.3,31.7,31.7,31.2,31.7,30.4,30.2,29.1
1972,31.4,33.3,34.4,33.4,33.5,32.3,32.5,32.5,31.4,31.6,30.7,31
1973,32.3,34.4,34.7,34.4,32.8,32.4,31.7,32.1,31.3,30.9,30,28.5
1974,31,32.5,34.2,33.5,32.5,32.1,32,31.9,31.2,31.5,30.1,30
1975,30.9,32.6,33.5,34.1,32,31,31.7,32.1,31.1,31,29.8,28.5
1976,31,32.7,33.8,33.7,32.1,31.6,31.4,31.5,30.6,31,29.2,30.2
1977,31.8,32.6,34.3,34.7,32.7,32.4,32.1,31.5,31.2,31.1,30.3,30.4
1978,32,33.8,34.6,33.8,32.6,31.7,30.9,31.6,30.8,31.1,30.8,30.7
1979,32.3,33.9,35,33.5,32.6,32.1,31.3,32.1,31.4,31.2,30.4,31
1980,32.4,33.7,34,33.7,32.8,31.8,31.8,30.7,31.2,31.1,30.4,29.6
1981,31.3,32.9,34.6,33,32.1,32.3,31.8,32.7,31.6,31.6,30,29.7
1982,31.9,33.3,34.2,33,32.2,32,30.8,31.3,31.3,31.1,30.9,30.1
1983,31.5,34,35.2,35.3,33,32.3,31.6,31.3,31.2,31.1,30.9,29.2
1984,30.3,31.2,33,32.8,32.1,31.6,31.1,32,31.2,31.1,31.1,29.7
1985,32,33,33.1,33.4,32.2,32.2,31.7,31.3,30.6,30.5,30.2,30.3
1986,30.5,33.4,33.7,33.9,32.3,32,31.9,32,30.6,30.7,30.2,30.5
1987,31.7,33.9,34.4,35,32.7,32.4,32.6,31.5,31.5,31.7,31,30
1988,32.2,33.2,34.2,33.9,32.3,32.5,31.5,31.7,30.9,31.3,30.1,30
1989,31.5,33.5,33.6,32.9,32.3,31.7,31.3,31.5,31.2,30.7,31.1,31.1
1990,31.9,33.7,35,33.6,32.5,32.7,31.9,32.6,31.1,31.3,30.9,30.6
1991,32.2,34.1,34.5,34,32.7,32.6,31.7,31.6,31.3,31.1,31.1,30.3
1992,31.4,33.5,35.5,35,33.3,31.6,31.7,31.5,32,30.6,29.9,30.2
1993,31.9,33,33.6,33.4,32.7,32.6,32.1,32.3,31.2,30.7,30.5,29.7
1994,31.8,33.3,33.2,33.4,32.5,32,32.1,31.1,31.1,31.4,30.4,31.4
1995,31.9,33.2,34.2,34.3,33.1,32.9,32.2,31.2,31.5,31.3,30,29.5
1996,31.4,32.4,34.5,33.7,32.3,32.3,31.9,31.4,31.5,30.8,30.7,29.3
1997,31.7,32.9,34.3,33.5,33.3,32.4,32.1,32.1,31.4,31.3,30.9,30.8
1998,32.7,34.6,35.9,34.9,34.4,32.5,32,31.7,31.4,31,30.2,29.8
1999,31.1,32.3,34,33.2,32.2,32,31.9,31.4,31.2,30.6,30.7,28.8
2000,31.2,32.5,33.4,33,32.6,31.1,32.1,31.9,31.4,31.4,30.5,30.7
2001,31.2,33.6,33.9,33.7,32.9,32,32.2,32.4,31.7,30.6,30.3,30.7
2002,32.1,33.4,34.8,34.5,32.9,32.9,32.5,32.4,31.3,31.4,31.1,31.3
2003,31.8,33.2,34.3,33.9,33,32.4,31.5,31.9,31.7,30.5,31.4,30.3
2004,32.4,33.2,34.7,34.5,33.2,32.8,31.4,32,31.2,31.2,31.3,30.8
2005,31.7,34.1,34.4,34,32.6,32.5,32.2,32.6,30.7,30.9,30.5,29.1
2006,31.6,33.1,34.1,33.4,32,32.1,31.9,32.2,31.2,31.8,31.4,31.2
2007,31.3,33.4,34.2,33.5,32.5,31,31.4,31.9,31.5,30.6,30.4,30.4
2008,31.8,33,33.1,33.4,32.5,31.5,31.5,31.7,31.1,31.5,30.4,30
2009,30.8,33.4,33.6,33.7,32.2,33.5,32.1,31.7,31.7,31.9,31.1,30.9
