1901,31.9,34.4,36.2,35.7,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1902,32,34.2,36.3,35.7,33.9,31.6,29.5,29.1,30.1,32.2,32.9,32.2
1903,32.1,34.4,36.4,35.7,33.8,31.4,29.5,29,30.1,32.2,32.9,32.2
1904,32,34.3,36.2,35.7,33.8,31.5,29.5,28.9,30.1,32.2,32.9,32.2
1905,31.5,33.4,35.9,35.7,34,31.3,29.5,28.9,30.1,32.1,33.4,32.7
1906,31.5,34.4,36.5,36.8,34,31.9,29.4,28.9,30.6,32.5,33.2,32.7
1907,31.9,33.7,36.2,35.7,34.4,31.6,29.6,29.1,30.3,32.8,33,31.7
1908,31.8,34,36.2,36,34.4,31.8,29.8,28.7,30.2,32.1,32.6,31.9
1909,31.9,34.8,37.2,35.9,33.7,31.2,29,28.5,30.1,31.7,33,32.2
1910,31.5,34.6,36.1,35.7,34.1,32.4,29.8,29.1,30.4,32.1,32.9,32.2
1911,31.7,34.3,36.5,35.8,33.9,31.7,29.5,29,30.1,32.2,33.1,31.9
1912,32.2,34.4,36.4,36.3,34.2,31.9,29.9,29.3,30.5,32.2,32.7,32.2
1913,32.1,34.4,35.6,35.6,34.2,32.2,30.2,29.8,31,32.2,32.9,32.2
1914,32.9,34.2,36.1,35.7,34.5,32.2,30.1,29.2,30.6,32.6,33.8,32.4
1915,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1916,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1917,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1918,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1919,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1920,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1921,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1922,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1923,33.7,34.2,37.4,36.2,34.4,31.9,29,27.9,30.2,32.7,34,33.3
1924,32.8,37.1,38.4,36.6,34.5,31.6,28.4,27.9,28.6,32.3,32.9,31.7
1925,29,32.9,37,35.7,33.6,31.1,29.4,28.1,30,31.5,33.9,32.6
1926,33,34.3,35.7,34.7,33.5,31.4,30.2,30.1,31.7,33.7,34.6,33.5
1927,32.5,35.3,36.4,35.5,35,31.9,29.6,28.2,31.6,32.9,33.8,33.7
1928,32.7,32.7,37.5,35.6,33.3,30.9,29.6,27.6,30.4,32.5,33.4,31.7
1929,30.9,34.7,36.4,35.6,34.3,30.1,27.8,27.3,29.1,31.9,33.5,30.2
1930,31.3,35.3,36.4,36,34.1,31.5,29.2,29.3,30.6,33.5,34.1,34.9
1931,32.8,36.1,37.7,37.8,34.8,31.9,29.6,29.1,29.8,33.7,34.8,34.6
1932,32,35.6,38.7,37.2,34.6,32.1,29.4,29.3,30.3,33.3,34.4,32.9
1933,32.9,35,36.4,36.6,33.7,30.8,29.1,28.7,30.1,32,35,33.4
1934,32.1,34.3,37.5,37,34.2,31.9,30,28.8,31.1,34,35.2,33.1
1935,33.9,35.7,38.7,36.5,35.1,31.1,30,28.7,30.3,32.1,34.8,33.9
1936,31.7,36.3,38.9,36.4,34.2,31.4,28.4,27.4,29.4,32.7,34.8,32.3
1937,31.8,34.7,37.4,35.9,34,32.2,29.3,29.1,30.5,33.9,34.3,33.6
1938,32.8,35.3,36.9,37.4,35.7,33.1,30,28.7,30.3,33.1,35.5,31.8
1939,33.3,36,38,35,34.2,31.7,29.9,29.3,30.1,33.3,34,34.3
1940,32,34.4,36.4,35.8,33.9,31.6,29.5,29,30.1,32.2,32.9,32.2
1941,35.1,35.3,38.4,37.6,35.1,32.5,29.1,29.7,31,33,33.7,33.3
1942,34.5,36.8,37.1,36.6,33.4,32.5,30,28.3,31.1,33.3,34.1,33.7
1943,33.1,34.8,36.6,35.6,33.2,31.5,29.5,28.2,29.5,32.7,34.8,33.5
1944,30.9,34.3,36.4,35.5,33.6,32.5,30.3,28.5,30,32.8,33.6,34.1
1945,34.1,33.1,35.5,35.3,33.1,32.5,29.9,27.8,30.1,32.4,33.6,31.5
1946,33.9,34.3,36.9,36.5,34,31,28.9,27.7,29.2,32,34,32.8
1947,32.5,37.4,36.2,35.8,33.9,31.7,29.3,28.9,30,32.6,32.8,33.2
1948,32.3,34.2,34.9,35.6,33.7,30.8,29.2,28.4,30.2,32,32.5,31.7
1949,33,33.9,37.5,36.3,34.2,32.5,30.3,28.8,31.1,32.8,33.7,30.8
1950,33,33,35.3,35.5,33.7,32.7,28.4,26.8,29,31.9,32.4,32.9
1951,32.3,34.1,37.2,35.2,33.3,31.8,29.4,28.5,28.7,32.3,33,31.4
1952,32.6,33.6,36.1,36.1,33.5,31.7,29.3,27.1,29,31.5,33.2,32.3
1953,33.3,35.6,36.7,34.8,32,30.5,28,28,30.3,32.8,33,31.4
1954,33,35.9,37.4,37,32.6,31.4,28.6,27,29.6,32,33.7,32.9
1955,32.6,34.9,36.8,35.7,33.1,30.7,28.7,28.1,28.9,31.8,32.8,31.8
1956,31.7,36.7,37.7,36.1,33.7,31.9,28.6,26.7,29.2,31.4,33.6,31.8
1957,32,33.3,35.7,36.3,32.6,30.9,28.3,28.8,29.8,32.2,35.4,33.7
1958,33.8,33.9,37.4,37.1,33.7,30.8,28.3,28.1,29.8,32.8,34.8,33.9
1959,32.8,34.2,37.8,36.4,33.7,32.1,30.1,27.6,29.5,33.2,33.1,32.9
1960,32.4,34.5,36.8,36.4,33.4,31.6,28.5,29.3,30,32.5,32.7,34.4
1961,32.4,32.3,35,35.7,34.2,31.5,27.7,30.1,29.6,32.6,31.9,30
1962,31.1,35.1,36.6,35.4,33.7,30.8,29,28,29.8,32.4,33.5,33
1963,33.6,36.7,35.1,35.4,33.8,32.4,29.4,28.7,31.1,31.2,31.4,32.7
1964,32.6,33.8,37,36.3,33.4,31.1,28.5,27.3,29.8,32,31.3,32.3
1965,32.9,34.3,35.5,34.9,34,30.9,29.2,28.5,30.5,31.7,31.9,31.8
1966,32.7,33,36.5,34.8,32.9,31.2,30.9,28.9,29.5,32.2,32.9,32.6
1967,31.1,34.4,35.4,36.9,33.8,30.8,28.8,27.7,29.6,31.3,31.8,33.2
1968,31.2,34,36.4,33.8,32.8,30.3,28.8,29.8,30.7,32.5,32.5,32.9
1969,31.7,36.1,37.9,36.4,34.1,31.4,29.5,29.1,29.9,31.5,32,34.2
1970,33.2,34.5,37,35.7,33.8,32.5,29.8,28.8,29.5,32,32.9,31.8
1971,31.2,34.9,38.3,35.5,34.4,31.7,29.7,28,29.6,32,32.3,30.6
1972,32.2,35.5,36.6,34.1,33.3,30.8,31,31.4,31.5,32.4,32.8,32.7
1973,33.6,35.6,35.9,36.4,33.6,32.7,31.5,29,30.4,32,31.7,33.5
1974,30.4,33.4,36.5,36.5,33.7,32.1,28.2,28.2,29.1,31.7,32,30.4
1975,29.7,33.3,36.5,35.3,33.7,31.1,28.9,28,29.2,31.5,33.1,30.9
1976,31.7,31.8,35.1,34.8,33.1,30.6,28.7,28.8,29.8,31.6,32.4,32.5
1977,31.3,32.2,34.9,35.9,34.5,31.9,29.8,27.9,30.2,32.7,31.9,30.7
1978,31.6,34.7,36.4,35.4,34.6,31.4,28.4,29.6,30.5,32.6,33.1,32.6
1979,33.3,34,36.5,35.7,34.4,30.6,29.4,28.5,30.7,33.2,34.3,32.3
1980,33.8,34.8,36.7,36,33.4,31,30.1,29.2,31,32.8,33.2,31.1
1981,30.2,35,37.1,36.8,33.2,31.5,28.2,29.9,30.1,32,32.4,32.8
1982,31.7,33.1,36.9,35.9,34.1,31.8,29.7,28.2,29.7,31.3,31.9,32.7
1983,27.7,36,35.5,36.7,35.4,31.3,29.7,29.6,30.4,33.6,33.7,32.6
1984,32.2,34.7,37,35.7,33.9,32,30.4,31.2,30.3,32.5,33.7,31.2
1985,33.4,33.5,36.4,34,32.9,31.5,28.7,29.1,30.2,33.4,34,30.4
1986,31.9,36.4,37.2,37.3,34,31.9,28.3,29.7,29.9,33.3,34.3,30.8
1987,34,36.5,36.6,35.5,35.2,32.7,32.3,30.3,30.9,32.9,34.6,32.9
1988,32.1,35.3,37.7,36.7,34.8,32.5,29.1,28,29,32.4,34.3,31.3
1989,30.8,33.1,36.5,36.3,33.5,32.6,30,29,30.3,32,34.4,32.5
1990,33.9,34.1,34,37.3,34.5,32.7,28.8,29.8,30.8,33,33.7,32.9
1991,31.6,36.2,36.5,35.9,32.1,32.5,29.5,28.7,31.3,32.4,32.5,32.1
1992,31.4,33.7,36.8,36,33.7,31.4,29.1,28.3,29.4,32.5,32.6,32.2
1993,30.7,34.5,36.9,36.1,34.4,31.9,30,28.9,30.5,33.1,34.7,31.9
1994,31.8,33.6,37.4,36,34,31.5,29,27.7,29.4,32.3,33.8,30.9
1995,32,33.5,36.6,36.2,34.7,31.6,30.5,29.4,30.2,32.6,33.3,33.4
1996,33.8,36.3,37.8,35.6,33.8,31.4,31,29.1,29.5,31.9,32.1,32.5
1997,33.3,32.8,35.6,34.8,33.5,31.7,30,29.9,31.3,33.3,34.5,31.9
1998,32.3,35.6,36.1,37,34.8,32.5,30.3,28.7,30.2,32.7,34.3,32.9
1999,32.7,35.7,38.3,35.8,33.8,32.6,29.3,28.3,29.1,30.9,33.7,32.2
2000,32,31.7,36.2,36.8,35,31.1,29.8,29.8,30.1,32.2,33.8,32
2001,31.8,33.5,36.6,35.5,33.9,31.4,29.7,28.4,29.4,31.5,35,33.4
2002,31,34,36.7,36.4,35.1,32,30.3,29.6,30.3,31.9,33.8,33
2003,32.6,36.8,35.6,36.8,34.5,30.7,29.8,28.7,29.8,33.1,34.4,32.1
2004,33.8,34.1,36.3,36.5,34,32,29.7,29.6,31,33.3,33.9,33.8
2005,31.7,36.2,38.4,36.6,34.2,30.9,29.5,29.1,31.2,32.5,33.9,33.9
2006,33.3,36.1,37.3,35.9,34.2,33.2,30.9,29.4,29.9,32.6,32.7,30.7
2007,31.2,35.7,36.7,36.4,34.2,31.6,30.2,29.5,30.3,33.2,35.1,33.3
2008,30.8,33.8,37.4,35.7,34,32,29.3,29.2,30.5,32.7,33.8,33
2009,34,36.4,37.2,37.3,35.2,32.5,30.7,30,31,32.3,33.4,33.5
