1901,33.3,35.6,36.7,37.3,37,33.6,30.8,30.5,31.3,32.1,32,32.2
1902,33.5,35.4,35.4,36.2,34.9,33.3,30.9,30.3,30.6,33,33.2,31.5
1903,32.3,35.4,37.2,36.6,36.1,33.1,31.3,30,30.7,32.6,33.9,32.1
1904,32.8,35.2,35.7,36.4,35.4,32.6,30.4,29.3,30.4,31.9,33.4,32.2
1905,33,34.9,36.1,36,35.3,32.8,30.7,29.8,31.1,32.3,32.7,32.9
1906,34,35.4,37.1,36.4,35.6,33.5,30.2,29.4,30.3,32.1,33.1,32.3
1907,32.9,34.6,36.3,35.8,34.4,32.2,29.7,28.9,30,31.6,32.2,31.5
1908,32.7,34,35.7,36.3,35.1,33.1,30.7,29.8,30.6,31.7,33.2,32.8
1909,32.6,34.1,36.3,35.7,35.3,32.8,31,30,30.8,32.1,32.4,32.9
1910,31.7,34.8,35.3,36.4,34.9,32.4,30,29.8,30.6,31.8,34,33.5
1911,32.5,34.1,33.9,35.1,33.5,31.2,30.2,29.4,30.7,32.1,33.1,32.5
1912,32.3,33.9,35.6,34,34.1,32.2,30.6,29.8,30.6,32.3,33.7,32.3
1913,32.7,33.9,34.8,35.5,33.9,32.9,30,29.6,30.3,32.1,33.6,33.1
1914,32.9,33.9,34.6,34.7,34.2,31.9,30,28.5,29.8,31.6,31.9,31.5
1915,32.8,33.7,34.5,35.5,34.1,33.5,30.9,29.6,30.5,33.4,33.6,33.4
1916,32.3,33.3,34.1,33.9,33.6,32,29.4,29.8,30.3,32.1,32.4,31.7
1917,34.1,34.5,36.5,36.4,35.6,32.9,31.6,29.9,30.3,32,32.1,31.9
1918,33.4,35,35.9,36.6,36.4,33.8,30.3,29.9,31,32.1,32.8,32.2
1919,33.3,35.9,36.6,35.9,35.2,33.7,30.8,30.3,30.8,32.3,34.6,32.8
1920,33.9,34.5,35.6,37.1,35.8,33.2,30.1,29.5,30.6,32.3,32.5,31.8
1921,32,33.1,34.1,35.4,33.8,32,29.5,29.2,30.9,32.3,32.6,31.4
1922,32.2,33.3,34.2,33.6,33.9,31.9,29.8,29.6,30.1,31.7,32.8,32.1
1923,32.2,34,34.4,34,34.1,31.3,29.8,29.2,30.4,32.6,33.5,33.2
1924,31.9,32.6,34.6,35.6,35.2,32,29.6,29.3,29.8,32,32.9,31.3
1925,31.5,33.4,34.4,34.3,35.3,32.5,31.3,29.5,30.5,31.3,33.1,32.8
1926,33.1,33.4,35.8,35.8,35.4,33,29.6,29.8,30.4,32.5,32.5,32.3
1927,28.3,33.6,35.5,35.4,35.4,32.5,29.6,29.2,30.3,31.5,33.2,32.2
1928,31.9,32.1,34.5,35.3,35.1,33.1,30.3,30.1,30.3,31.5,31.9,32
1929,31.9,33.7,32.9,33.4,32.9,31.8,30.1,29,30.1,32.4,34,31.8
1930,31.5,33.5,34.1,35.4,33.5,32.4,30.5,29.3,31,32.4,33.7,32.4
1931,32,33.9,35.9,36.6,35.5,32.5,30.2,30.2,30.3,31.9,33.3,32.4
1932,32,34.8,36.2,38,36.4,33.2,30.4,29.8,31.3,33.1,32.3,32.5
1933,33.3,35,36.7,37.8,37.1,33.1,30.4,30.2,31.5,32.7,33.4,32.4
1934,32.7,33.8,35.6,36.9,35.5,33.1,31,30.4,31.5,32.8,33.6,32.8
1935,32.9,34.6,35.1,36.7,36,32.6,29.8,29.4,30.9,32.2,32.9,32.7
1936,33.5,34.8,36.5,36.9,36.6,32.8,30,29.3,30.5,32,33.2,33.4
1937,33.5,34.9,35.3,35.3,35,33,30.4,29.9,30.5,32.1,34.1,33.5
1938,33.5,35.6,36.4,36.6,36.3,33.3,30.4,29.9,30.8,32.1,33.3,31.8
1939,32.7,33.7,35.1,36.6,35.3,33.4,30.5,29.8,30.6,31.6,32.7,32.6
1940,33.3,33.5,36,35.7,35.6,32.8,30.5,29.8,31.1,31.8,32.9,31.8
1941,32.6,33.8,35.5,36,35.5,32.4,30.9,30.5,31,32.7,33.8,32.6
1942,32.8,33.7,35.7,35.8,35.6,33.7,30.4,29.7,31.1,32.6,33.3,32.6
1943,31.8,33.6,34.7,36.2,35.6,32.7,30.1,29.4,30.4,32.1,33,31.8
1944,32.4,34.3,36.1,36.2,36.1,33.3,31,30.4,31.1,32.7,34.2,32.5
1945,33.5,34.5,36.7,37,35.8,33.1,30.4,29.6,30.9,32.8,33.2,33.2
1946,32.5,34.3,36.6,36.3,35.9,33.3,30.4,29.5,30.6,32.2,33.8,32.6
1947,32.4,34.2,36.3,36.5,35.7,33.3,30.8,30,30.6,32.4,33,32.6
1948,32,34.4,36.7,35.9,35.6,32.4,30.1,29.6,30.6,32.1,33,32.1
1949,32.6,34.3,35.9,36.8,34.6,33,30.4,29.8,30.7,32.4,33.1,33
1950,32.9,34.3,36.8,36.5,36,32.9,29.9,29,30.3,31.7,33.1,32.6
1951,33.2,33.7,35.4,35.8,35.4,32.9,30.7,30.1,31.1,31.7,33.2,32
1952,31.7,34,35.8,36.8,35.1,32.7,30.1,30,30.5,32.2,33.7,32.7
1953,33.4,33.8,36.1,35.8,35.1,32.5,30,30.2,30.9,32,33.6,33.2
1954,32.4,32.2,35.7,36.2,36.2,32.3,29.5,29.1,30.8,32.1,33.5,32.5
1955,33.4,34,35.3,36.1,35.5,32.1,29.4,29.2,30.2,31.5,33.6,32.2
1956,32.8,33.3,35.2,35.6,35.6,32.3,29.6,29.3,30.4,32.1,33.8,32.4
1957,31.7,34.4,35.6,35.8,34.3,32.3,30.1,29.3,30.5,31.8,33.9,32.8
1958,33.5,34.5,36.5,37.2,35.7,32.5,30,29.1,30.9,32.1,33.7,32.3
1959,32.8,34.3,35.4,35.5,35.4,32.5,30.8,29.2,30.8,32.7,33.5,32
1960,33.1,34.6,35.7,36.2,35.5,32.4,30.1,30.2,31,32.5,33.6,32.5
1961,32.4,32.5,35.9,36.2,36.4,32.7,29.9,29.6,30.1,31.7,33.5,32.4
1962,32.8,33.9,36,35.8,35.5,32.9,30.1,29.3,30.3,31.9,33,31.4
1963,33.3,34.5,35.1,35.9,35.5,33.3,30.4,29.8,31.1,30.9,32.8,31.3
1964,32.5,34.3,35.7,36.2,36,32.4,30,29.8,29.9,31.7,32.8,31.9
1965,31.3,33.1,35.5,35.6,35.4,32.4,30.1,29.5,30.3,31.8,32.9,31.2
1966,32.1,34.6,35.9,35.9,36,32.8,31.3,30.1,30.2,31.7,32.9,32.2
1967,32.8,33.6,35.4,36.1,35.2,32.3,30,29.6,30.1,31.4,32.3,31.3
1968,31.9,33.4,34.8,34.7,34.7,32.4,30.5,30.9,30.4,31.8,33.2,33.3
1969,34.1,34.8,36.9,38.4,37.2,33.3,30,30.1,30.4,31.3,33.7,33.1
1970,33.2,34.8,36,37.4,35.4,32.7,32,29.1,30.2,32.4,32.6,31.9
1971,32.4,33.2,34.1,35.1,34.3,32.2,29.8,29,30,32,32.7,32.5
1972,32.1,33.7,34.8,34.3,33.9,32.1,30.6,30.5,30.7,31.9,34.2,31.4
1973,32.9,34,35.5,38.1,34.4,32.8,30.6,29.5,30.7,32,32.7,31.6
1974,32.2,33.9,34.7,34.6,33.6,32.5,29.3,29.5,29.9,31.6,32,31.8
1975,32.7,33.6,34.2,35.5,33.5,32.2,29.4,29.4,29.5,30.8,32.2,32.2
1976,31.6,33.7,34.8,34.8,34.1,32,29.5,29.2,30.1,30.7,31.6,31.1
1977,32,34,35.1,35.8,34.1,32.4,30.4,29.9,30.3,31.4,33.2,31.7
1978,32.7,33.1,34.8,34.8,34.7,31.8,29.7,29.5,30.1,31.4,32.1,31
1979,31.8,34.1,34.9,35.4,35,32.3,30.3,30.1,30.7,31.7,32.2,31.9
1980,32.3,33.8,34.8,35.2,34.1,31.9,30.4,30.2,30.6,32.8,32.2,31.4
1981,32.8,33.3,35.5,35.5,34.6,33.2,29.8,29.8,30.7,32.1,32.7,31.8
1982,32.5,32.5,34.9,35.1,34.3,32.5,30.4,29.8,30.8,31.5,32.5,30.8
1983,33,34.4,36.4,35.5,35,32.7,30.6,30.5,30.7,32.5,32.9,32.6
1984,32.5,34.8,35,35,34.8,32.2,30,30.3,30.6,31.7,32.6,32.1
1985,32.4,33.7,35.3,35.2,33.5,32.3,29.9,29.9,30.4,32.3,32.8,30.9
1986,31.7,33.3,35.4,35.5,35,32.6,30.2,29.6,30.4,31.3,31.3,30.7
1987,32.4,33.5,35.1,36.9,35.6,33,31.8,30.3,31,31.8,33.5,32.1
1988,32.5,34.8,35.5,35.8,34.9,32.5,30.2,29.5,30.7,32.3,32.7,32.7
1989,32,33.8,34.9,35.1,34.1,32.5,30.3,29.8,30.5,31.6,32.5,33.5
1990,31.7,34.5,36.2,35.5,35.9,32.3,30.1,29.9,30.7,32.5,33.2,32.9
1991,32.9,33.8,35.4,34.9,33.4,32.9,30.6,30.3,30.7,31.8,33.4,33.2
1992,32.8,33.1,35.7,35.3,34.6,32.9,29.9,29.8,30.8,32.6,32.3,32.9
1993,32.9,33.9,35,35.2,35.4,33,30.5,30,30.8,32.1,31.9,31.9
1994,32.2,34.9,35.5,35.8,34.5,32.3,30.1,29.9,30.4,31.3,32.9,32.3
1995,32.7,34.7,35.1,35.3,34.8,32.8,30.6,30.1,30.9,32.5,33.2,32
1996,33.6,34.4,35,35.2,34.6,33,30.6,30.2,30.9,32,33.4,32.4
1997,34.1,36,36,35.1,35.5,32.6,30.5,30.2,30.8,32.2,34,32.7
1998,33.4,35.9,36.9,36.3,34.6,33.1,30.8,30.3,30.8,33,33.7,32.4
1999,34.2,35.4,35.6,35.1,35,32.9,30.9,30.6,30.7,31.3,33.5,33.7
2000,33.8,34.8,35.8,37.3,34.9,32.4,30.7,30.6,30.6,31.6,31.9,32.1
2001,33.4,35.3,35.7,36,34,32.8,30.3,30.5,30.8,32.6,32.5,33.6
2002,33.7,34.9,34.2,35.2,34.6,32.9,31.2,30.7,31.1,32.5,33.5,33.6
2003,33.6,33.9,36.1,36.1,34.6,32.5,30.3,30.2,30.6,31.9,33.4,33.4
2004,33.1,34.1,35.9,36.8,35.7,31.9,29.9,30,31,33.2,33.7,33.9
2005,35.2,34.7,36.5,36.2,36.6,34,30.8,30.8,31.4,32.6,34.1,34.7
2006,33.7,34.5,35.8,35.7,36.5,33.2,30.8,30.4,30.9,32.6,34.5,32.8
2007,33.1,35,36.2,35.8,35.5,33,30.9,30.3,30.6,33.6,34.1,32.8
2008,33.1,35.1,36.1,35.8,36,33.2,30.2,29.9,30.9,31.7,34.3,33.4
2009,32.1,33.4,34.9,35.5,34.9,33,30.7,30.2,31,33.4,32.5,33.9
