1901,32.2,34.2,35.2,36,33.4,32.4,32.2,31.8,31.4,31.8,31.6,31.3
1902,30.5,33.7,35,35.5,33.9,33.4,32.3,31.8,31.2,31.8,31.4,32.3
1903,32.4,32.6,36.2,36.8,34.6,31.5,31.8,31.1,30.8,31.1,29.9,27.6
1904,28.8,31.3,34.5,34.7,33.7,32.4,31.9,32,31.9,32.1,30.4,29.7
1905,32.9,34.7,35.7,36.8,33.8,32.4,32.2,32.5,32,32.3,31.9,34.5
1906,33.9,35.1,35.9,37.6,35.3,33.1,32.5,32.4,32.4,31.6,30.4,31.3
1907,31.3,33.5,34.1,35.5,33.2,32.1,31.9,31.3,31.7,31.6,31.4,28.9
1908,31.3,32.9,34.6,35.7,33.6,32.3,31.9,31.4,31.6,31.8,29.8,30.7
1909,31.5,33.4,34.8,35.5,33.4,32.4,31.6,31.8,31.7,32.1,30.1,29.7
1910,32.3,32.2,33.9,35.4,33.6,32,32.1,31.8,30.9,31.5,31,29.3
1911,30.7,32.5,34.7,36,34,32.4,32,32.3,32,32.1,33,32.5
1912,32.1,33.4,36.2,36,35.3,33.1,31.6,31,31.3,31.2,29.6,30.6
1913,30.6,33.4,35.1,36.6,32.8,31.8,31,31.1,31.4,31.3,30.3,30.5
1914,30.3,33.6,35,36.4,35.1,32.2,31.3,31.1,31.3,31.2,31.4,31.5
1915,31.3,34.3,35.2,35.8,33.5,32.3,31.6,31.8,31,31.1,29.9,28.1
1916,29.4,32.5,35.4,35.7,33.7,31.7,31.8,31.2,31,30.9,29.1,29.1
1917,31,32.7,33.6,36.2,34,31.4,31.4,30.7,30.7,30.4,29.9,29.4
1918,30.7,31.1,33.9,34.6,32.9,32.3,32.4,31.5,31.8,31.7,32.1,32.2
1919,32,33.6,36,35.7,33.7,31.7,31.5,31.3,31.2,31.3,30.6,31.1
1920,29.3,33.1,35,35.5,34.3,32.2,31.4,31.8,31.4,30.9,31.5,31
1921,30.3,32.2,34.7,35.1,32.9,32,30.7,31.1,30.6,31,29.6,30.4
1922,31.7,33.5,33.6,35.5,34.1,32,30.8,31.1,31.8,31.1,29.9,29.7
1923,30.4,31.5,34.1,34.4,32.6,31.6,30.5,30.4,30.8,30.9,31.2,31.2
1924,31.7,33,34.8,34.9,33.5,31.9,30.6,31.2,30.8,30.4,31.9,28.5
1925,31.3,31.8,34.8,34.1,33.6,31.9,31.4,31.3,31.4,30.9,31,29.2
1926,31.4,33.2,34.5,36.2,34.6,32.7,31.6,30.9,31.4,30.9,30.8,31
1927,31,33,35.3,34.5,32.7,31.7,31.1,31,31.1,30.8,31.1,30.7
1928,32.8,32.6,34.8,34.6,33.2,31.5,31.1,31.2,30.8,30.5,30.4,31
1929,31.6,32.4,33.1,34.6,33.4,31.4,30.7,31,31.1,30.8,30.6,31.9
1930,32,32.4,33.6,33.8,33.6,32,31,31.1,32,31.3,30.8,31
1931,32.2,31.6,36,36,34.1,32.3,31.7,31.2,31.1,30.4,29.9,30.3
1932,29.9,33.4,34.4,35.7,34.4,32.9,31.6,32.6,31.7,31.5,31.7,29.8
1933,32,33.8,34.8,35.6,34.5,32.7,31.6,32.5,31.9,31.8,29.9,30.5
1934,30.6,31.8,34.7,35.9,34.9,33.1,31.9,31.5,31.9,31.5,31.7,29.1
1935,32.7,33.9,35.8,36,34.1,32.6,31.5,32.1,31.7,32.3,32.1,31.8
1936,31,32.9,34.7,36.1,34.6,32.5,31.9,31.5,31.7,30.8,31.1,33.3
1937,33,34.3,36.5,35.5,31.9,31.2,30.7,31,30.6,30.4,30,29.9
1938,31.6,32.8,33.9,34.7,32.4,30,30.1,31.2,30.4,30.7,29.7,30.2
1939,31.8,33.1,34.3,35.5,33.6,31.2,30.9,30.9,30.7,31.1,30.4,28
1940,30.2,33.4,35.4,36.9,34.3,32.5,31.3,31,31.6,31.9,31.5,31.6
1941,34.9,34.2,35.7,37.3,34.2,32.1,31.6,31.8,32.3,31.5,32.3,32.1
1942,31.6,33.9,35.9,35.6,33.3,32.2,31.8,31.7,31.5,31.2,30.5,31
1943,31.5,33.6,35.5,34.4,33.6,32.1,31.7,31.9,30.7,31.1,30.4,30.3
1944,32.8,34.5,35.6,36.8,34,32.5,31.4,31.4,31.7,31.6,30.8,29.6
1945,32.5,34.7,34.2,35.6,34,32.5,32,32.3,31.8,31.1,32.6,32.4
1946,33.1,33.7,36.4,35.9,33.9,33.1,32.7,31.7,31.8,32.5,32.4,34
1947,34.7,35.5,36.2,35.9,35.9,33.6,31.6,31.8,32.1,32.2,31.5,32
1948,31.7,34.1,35.6,35.7,33.7,32.2,31.9,31.2,31.8,31.2,29.3,31.8
1949,30.9,33.8,36.3,35.9,34.5,33,31.6,31.5,31.3,31.9,31.2,31.6
1950,32.4,34.3,36,35.2,33.3,31.9,31.4,32,31,30.8,30.6,28.8
1951,31.8,33.6,35.3,36.4,33.5,31.4,31.9,31.7,31.7,31.5,31.2,30.9
1952,32.2,34.2,35.4,35.6,34,32.3,31.4,31.3,31.4,30.7,31.6,30
1953,31.5,33.4,35,35.9,34,32,31.4,31,31.6,32.1,30.3,30.6
1954,33.1,34,35.5,36,33.4,32.5,31.4,31.7,30.6,31.5,31.1,30.9
1955,31.4,33.4,35.1,35.6,34.2,31.7,31.9,31.9,31.8,31.5,29.5,30.4
1956,31.1,33.7,35.6,35.4,33,32.5,31.5,31.7,31.3,31.6,29.7,30.6
1957,32.1,33.4,35.4,35.9,34.9,32.8,31.8,31.3,30.8,30.5,31.4,31.9
1958,32.6,33.3,35.4,36.3,35.5,33,31.5,31.4,31.4,31.2,31,31
1959,31.2,34.5,34.7,36,33.7,33.2,31,31.5,31.4,31.3,31.8,33
1960,31.7,33.7,36.6,37.1,34.3,32.5,31.9,31.7,31.4,31.2,30.9,29.9
1961,31.4,32.7,34.5,36.1,32.8,32.4,31.4,31.4,30.9,31,30.7,31.6
1962,31.3,32.6,34.7,35.7,33.9,32,31.4,31.1,30.7,31.3,31.8,31.1
1963,29.5,33.3,34.2,35.2,34.5,31.9,31.1,31,30.9,31,31.7,31.1
1964,32.3,34.3,35.3,36.2,32.9,32.1,31.8,30.9,30.7,31.6,29.4,30
1965,30.7,33.5,34.4,35.3,33.3,31.4,31.6,31.7,31,31.5,31.8,32.5
1966,32.8,33.9,35.9,36.3,33.4,32.4,31.9,31.3,31.6,32.1,31.7,32.1
1967,30.5,33.4,35,35.7,33.7,32.8,32,31.3,31.9,31.1,31.7,30.8
1968,31.6,32.4,34.7,34.8,33.3,32.6,32.2,32.3,31.9,31.9,32.7,33.5
1969,32.9,34.3,35.6,36.2,34.5,32.8,31.2,31.7,31.4,32.1,30.6,30.3
1970,32.6,33.2,35,35.2,34,32.7,31.9,31.6,32,31.3,31.6,31.3
1971,30.8,32.9,34.5,35.1,33.4,31.7,30.9,31.3,31.7,31,29.7,31
1972,30.9,32.9,34,34.4,35,32.2,31.9,31.4,31.2,32.2,31.5,31.2
1973,32.7,34.7,35,35.6,33.9,32.3,32.1,31.7,30.7,31.8,29.9,29.6
1974,30.2,32.4,34.1,34.6,32.9,31.1,31.8,31.3,32,31.4,30.9,31.1
1975,31.1,33.4,35.2,35.9,33.3,31.7,31.7,31.2,31.1,31.4,30.9,28.6
1976,31.3,32.3,34.3,35.6,32.7,32.6,31.7,31.4,31.5,32,29.9,31.3
1977,32.4,32.7,34,35.3,33.9,33.6,32.2,32,31.7,32.8,31.1,31.2
1978,32.5,32.6,35.4,36.1,33.9,32.3,32,31.1,31.5,32,32.3,32.4
1979,33.6,34.6,35.9,36.6,35,32.5,32.2,31.8,32.4,32.5,32,31.7
1980,32.5,34.3,36,36.4,35.3,32.5,32.1,31.5,31.3,31.6,31.9,31.3
1981,31.5,33.4,34.7,35.3,33.1,31.7,31.4,30.9,31.6,31.3,30.8,29.8
1982,31.4,33.5,34.5,34.7,33.6,31.7,31.3,30.5,30.7,31.9,32.7,29.4
1983,31.4,33.2,34.8,36,34.5,32.4,32.2,31.2,31.1,30.6,29.6,30.5
1984,30.7,33.3,34.8,35.4,33.5,31.3,31.4,31.1,30.9,30.9,31.4,31.5
1985,32.3,33.6,35.3,35.3,32.9,31.1,30.8,31,30.7,30.7,31.3,30.6
1986,30.6,33,34.1,35.1,32.6,32.2,31.2,31.2,31.3,31.1,30.8,31
1987,32.1,33.1,34.5,35.5,33.9,32.3,32.3,32.1,31.1,32,31.5,29.2
1988,32.8,33.9,35.6,35.3,32.9,32.3,31.9,31.5,31.6,30.6,29.7,30.6
1989,32.4,32.7,34.1,36.1,33.9,32,32,31.5,31.5,31.4,31.4,30.8
1990,32.8,33.9,35,36.4,33.7,32.5,31.8,31.7,31.5,31.3,31.1,31.7
1991,33.5,34.6,36.1,36.1,34.7,32.7,32.2,31.2,31.9,31.7,31.8,32.1
1992,31.2,33.3,35.4,36.6,35.8,33.2,32.2,31.9,32,30.7,30.6,31.6
1993,32.1,33,34.8,35.6,34.3,33.2,32.6,31.7,31.6,31.9,32,30.6
1994,32.9,34.3,35.1,36.2,33.8,32.1,31.6,31.3,31.7,31.6,32.1,32.9
1995,32.3,32.6,35,35.8,34.6,32.9,32,31.6,31.8,31.5,32.2,30.9
1996,32.6,33.2,35,35.9,33.8,32.9,32,31.8,30.9,32,31.5,30.7
1997,32.1,34.2,35.1,35.6,34.7,33.9,32.2,31.9,32,32.5,32.5,34.1
1998,33.8,34.7,36.2,36.6,35.4,32.9,32.8,32.3,31.3,32.5,31.7,31.7
1999,32.7,34.1,35.7,34.1,32.5,31.7,31.8,31.5,32,31.5,31.4,28.9
2000,33,33.9,35.1,34.4,33.6,32.1,31.6,31.4,31.7,31.8,31.7,33.1
2001,32.8,34.4,34.2,36.4,33,32.4,31.9,31.4,32.3,31.6,30.9,31.2
2002,32.2,33.9,34.9,36.3,33.6,32.5,32.4,31.7,32,32.8,32.3,32.7
2003,32.2,34.3,34.9,36.5,34.3,33.1,31.4,31.8,31.6,32.4,33.9,31.7
2004,32.4,33.1,35.8,37.4,33.7,32.4,32.2,31.7,31.8,32.2,33.5,32.3
2005,31.7,34.4,35.4,36.2,34.7,32.7,31.9,32.2,31.7,32.3,31.6,30.1
2006,32.5,34.6,35.8,36.1,33.8,32.6,31.8,31.6,32,32.8,33.9,32.2
2007,32.9,33.6,36.1,36.3,33.2,31.4,31.9,32,32.2,31.9,31.2,33.4
2008,32.6,33,35.1,35.6,32.9,32.6,31.6,32.3,31.7,32,30.9,31
2009,31,34.8,35.7,36,33.3,32.3,31.5,32.7,32.1,32.3,32.4,32.9
