1901,32.2,34.2,35.9,36.7,34.6,33.1,32.7,31.9,32.2,32.3,31.5,30.9
1902,31.2,33.7,36,36.2,35.2,33.5,32.7,31.9,32,32.2,31.5,31.8
1903,32.1,33.1,36.7,37.4,35.3,32.3,32.4,31.2,31.7,31.9,30.2,28.1
1904,29.5,32.4,35.1,35.6,34.7,33,32.4,32,32.5,32.6,30.6,29.5
1905,32.8,34.8,35.6,36.9,35,33.1,32.7,32.2,32.7,32.7,31.9,33.5
1906,33.5,35.1,36,37.6,36,33.6,33,32.2,33.1,32.2,30.7,31
1907,31.7,33.8,34.7,36,34.4,32.6,32.3,31.6,32.3,32.4,31.7,29.1
1908,31.7,33.4,35.3,36.6,34.7,33,32.4,31.7,32.3,32.3,30.2,30.5
1909,31.6,33.9,35.7,36.3,34.3,33,32.3,31.9,32.7,32.8,30.8,29.9
1910,32.4,32.9,34.7,36.2,35,32.6,32.4,31.9,31.8,32,31.2,29.3
1911,31.1,33,35.4,36.6,34.9,33.1,32.4,32.2,32.7,32.4,32.6,31.8
1912,31.9,33.8,36.2,36.7,35.9,33.5,32.1,31.2,31.9,31.8,30,30.3
1913,31.4,33.9,35.1,36.7,34,32.8,31.7,31.3,32.1,31.9,30.4,30.1
1914,31,34,35.6,36.9,35.5,32.7,32.2,31.1,32,31.6,31.3,31.3
1915,31.8,34.7,35.7,36.5,34.3,33.1,32.1,31.8,31.8,32.3,30.6,28.7
1916,30.2,33.3,35.9,36.4,35.1,32.7,32.5,31.7,32.1,31.6,30,29.5
1917,31.1,33.1,34.3,36.5,35,32.3,32.2,31.3,31.9,31.5,30.7,29.4
1918,30.7,32.2,34.8,35.4,34.2,32.8,33,31.6,32.7,32.5,31.9,32.1
1919,32.4,33.9,36.9,36.7,35,32.8,32.3,31.9,31.9,32,31,30.9
1920,30.4,33.4,35.8,36.2,35.2,33,32.5,31.9,32.4,31.6,31.8,30.9
1921,31.5,32.9,35.7,36.7,34.5,33.2,31.8,31.9,31.7,31.7,30.3,30.9
1922,32.6,34.8,35,36.4,35.6,32.9,31.8,31.7,32.4,32,30.2,29.8
1923,31.6,32.5,35.5,35.5,33.8,32.3,31.6,31,32.1,31.8,31.9,31.5
1924,32.3,33.9,36.3,36,35.1,32.8,31.5,31.6,32.2,31.3,31.8,29.2
1925,31.5,32.2,35.5,35,34.8,33,32.4,32,32.3,31.3,31.4,29.2
1926,32,33.7,34.8,37,35.7,33.6,32.6,31.5,32.8,31.7,31.3,31.1
1927,31.6,33.6,35.9,35.3,33.8,32.7,32.3,31.8,32.1,31.5,31.2,31.2
1928,33.6,33.1,35.7,36.1,34.9,32.3,32.1,31.7,32.3,30.8,30.3,31.3
1929,32.5,33.4,34.2,35.3,34.8,32.4,31.8,31.8,32,31.8,30.6,32.1
1930,31.7,33.2,34.2,35.5,34.4,32.7,32.2,31.1,32.3,32,30.9,31.2
1931,32.6,33.5,36.8,37.7,36.1,33.5,32.6,31.6,32,30.8,30.2,30.3
1932,30.2,33.1,35,36.5,36,33.6,32.5,32.3,32.3,31.7,31.9,29.5
1933,31.8,34.2,35.6,36.8,35,33.3,32.1,31.9,32.2,32.1,30,30.4
1934,31.1,32.8,35,35.9,35.8,33.5,32,31.7,32.5,31.8,31.6,28.8
1935,33.1,34.4,36.1,36.7,35.2,33.3,32.1,31.7,32.3,32.8,32.3,31.9
1936,31.2,33.1,34.8,37,35.4,32.9,32,31.8,32.2,31.1,32.2,33.6
1937,33.1,34.6,37.6,37,33.2,32.5,31.3,31.6,31.5,32,32,31.7
1938,32,33.8,35.6,35.5,33.3,31.3,30.7,31.8,31.4,31.6,30.5,31.6
1939,32.3,33.6,35.5,36.1,34.3,32.4,31.7,31.3,31.7,32.5,32.3,27.4
1940,30.1,33.8,35.5,37.4,34.7,33.4,32.7,31.5,32.5,33.4,32.9,32.2
1941,35.5,35,37.5,37.7,35.6,33.6,32.5,31.6,33.2,32.6,32.7,33
1942,31.9,35.9,36.3,36.6,34.4,32.7,32.1,31.7,32.1,32.6,32,31.1
1943,31.9,33.4,36.4,35.6,35.3,33,32.6,31.7,31.8,32.2,30.7,30.2
1944,32.9,34.8,36.4,37.4,34.5,32.9,32.3,31.9,32.5,32.2,31.4,30.1
1945,33.6,33.8,35.3,37.1,35,33.4,32.8,32.3,33,31.8,32.7,31.8
1946,31.6,31.7,36.3,35.5,34,33.8,33.1,32.2,32.7,32.9,33.1,33.8
1947,35.5,35.3,35.6,35.9,36.5,33.4,33,33.4,33.4,32.9,32.2,32.3
1948,31.9,34.7,36.4,35.8,34.7,33.9,32.6,32.2,32.5,32.8,31.4,32.1
1949,31.7,34.3,36.3,35,34.7,34.1,32.7,31.9,32.2,32.9,31.6,31.9
1950,33.1,34.4,36.4,36.1,34.6,32.4,32.5,32.5,32.2,31.4,32.4,29.7
1951,31.5,34.6,36.6,37.1,35,31.7,32.7,31.9,32.7,31.5,32.1,30.8
1952,33.3,35.5,34.5,36.8,35.5,32.8,31.5,30.9,32.2,32.5,32.5,30.5
1953,32.3,32.6,36,36.4,34.6,32.9,32.8,31.6,32.8,33.3,31.2,31.1
1954,33.8,34.2,35.3,38.3,35.2,33.9,33.8,32,31.8,32.2,32.2,30.4
1955,30.8,34.3,36.1,35.7,35.3,31.9,32.7,31.4,32.5,32.9,30.9,30.7
1956,32.2,34.5,36.7,35.8,33.5,32.9,32.2,31.1,32.2,32.9,31.2,30.8
1957,33.4,33.3,34.8,36.9,37.7,33.8,32.9,33,32.4,32.3,32.9,32.6
1958,32.3,32.9,37.4,38.3,37.5,33.9,32.3,32.6,32.3,32.4,31.2,30.6
1959,32.6,34.5,34.7,37.1,35.7,35.2,32.2,31.5,31.2,33.2,33.1,33.8
1960,33.4,34.3,37.3,38.8,35.8,33.7,32.8,31.9,32.3,31.7,32.8,31.7
1961,32.8,32.4,35.5,37.2,34.3,32.9,32,31.5,31.2,32.2,31.4,32.2
1962,30.5,33.9,35.9,37.4,34.1,33.6,32.1,31.9,31.5,32.3,32.2,31.9
1963,30,33.1,34.7,36.8,37.4,33,30.8,32.2,32.2,32,32.1,30.6
1964,33.8,34.3,36.2,37.3,33.6,33.3,32.7,32,32,32.1,29.9,29.7
1965,31.8,33.8,35.7,36.2,35.3,31.5,33,32.5,32.4,33.2,32.9,33
1966,33.6,35.3,36.7,37.5,34.2,33.3,32.9,31.6,32.6,33.6,32.8,32.5
1967,30.9,32.8,36,35.8,35,34.3,33.8,32.5,31.7,32.6,32.3,31.1
1968,32.9,32.9,35.9,34.8,34.7,33.1,33.1,32.4,33.1,32.9,34.1,34.4
1969,33.6,35.4,36.5,37.2,36.3,33.4,31.9,32.4,32.2,33.3,31,30.5
1970,32.2,34.6,36.9,35.6,35.3,32.2,31.9,31,31.9,32.3,31.5,31.6
1971,31.1,33,34.7,36.7,34.7,32.2,31.3,31.5,32.8,31.5,31.1,30.7
1972,31.4,34,34.6,35.2,37.7,33.8,32.8,32,33,33,32.1,32
1973,33.7,36.3,35.7,38.1,35.2,33.8,32.7,31.6,32,32.5,30.4,29.9
1974,32,32.4,33.7,35.1,34.5,33.3,33,31.7,32.8,32.3,30.8,30.5
1975,29.7,34,35.3,37.6,34.2,32.6,32.3,31.7,32.2,32.2,31.2,28.9
1976,31.6,33.6,35.2,36.6,33.4,34.2,32.7,31.2,32.4,32.6,29.3,30.8
1977,31.7,32.1,34.4,35.7,35.4,35.8,33.1,32.6,31.9,32.9,31,30.7
1978,32.2,32,36.9,36.7,34.8,33.6,31.6,31.3,31.3,32,31.7,30.9
1979,33.4,34.7,38,37,35,32.4,33.9,32,32.7,32.6,31.6,31.5
1980,33.1,34.4,36.8,37.3,35.3,31.9,32.3,31.4,31.4,31.4,32.1,30.6
1981,31.1,34.3,35.9,34.9,33.9,31.6,31,31.3,32.4,31.3,30.1,28.5
1982,31,33.8,36.5,34.4,35.5,32.7,32.1,30.5,30.8,31.8,31.9,28.6
1983,29.3,34.5,35.9,38.7,36.1,33.3,33,31.3,31.9,31.1,29.2,29
1984,30.6,33,35.4,36.3,34.6,31.5,31.7,31,31.8,30.5,31,31.1
1985,31.9,34.2,35,35.7,34,31.4,31.8,31,31.7,31.6,31.3,30.7
1986,30.9,34.1,35.2,36.1,33,32.8,31.9,32.2,33.1,32.2,31,30.3
1987,31.9,33.6,34.5,36.4,36.1,33.3,33.2,32.5,32,32.3,31.6,28.7
1988,32.9,34.1,35.8,35.1,33.2,32.7,32.8,31.4,33,30.5,29.2,29.7
1989,32.1,33.5,33.4,36.9,34.5,32.1,32.5,31.6,32,31.3,30.9,30.5
1990,32.3,33.8,33.4,36.5,34.1,32.5,31.6,32.3,32.2,31.5,31.5,31.1
1991,33.9,35,37.6,37.2,36.6,33.1,33.2,31.4,32.8,31.9,31.3,30.3
1992,29.4,33.6,37.3,38.9,37.9,34.1,32.1,32,32.4,30.1,30.1,30.8
1993,31.1,33.5,35.5,36.6,36.1,34.6,33.8,32.1,32.3,32.4,32.7,30.5
1994,33.6,35.7,33.2,36.8,34.5,32.2,32.2,31.3,32.2,32.1,31.5,31.6
1995,32,33.3,35.9,37.1,35.1,34.3,32,31.2,32.6,32,31,30.2
1996,32.5,31.3,35.8,33.6,34,33.1,33.1,32.2,31.8,32.1,30.9,29.6
1997,31.4,32.8,34.9,35.2,36,35.5,32,32.3,32.4,32.8,32.8,33.5
1998,34.2,35.7,37.7,37.4,36.6,35,33.2,32.9,32.5,33,31.7,31
1999,31.9,33.6,37.3,33.5,32.8,32.3,32.6,31.7,31.5,31.5,30.6,27.4
2000,32.4,32.3,35.8,34.3,33.3,32.5,32,32,31.8,32.4,31.4,31.8
2001,33.7,34.7,33.9,38.5,33.7,32.8,32.4,31.8,32.3,32.8,29.8,31.1
2002,31.5,34,34.3,36.5,34.5,33.6,32.6,31.5,31.6,32.3,32,32.1
2003,31.1,33.7,33.8,36.9,36.5,33.4,32.6,32.5,32.6,33.5,33.7,30.1
2004,32.7,32.4,36.4,37.1,34.7,32.8,32.4,32.4,32.2,32.8,33.1,31.9
2005,32.3,35.8,35.2,36.4,35.7,33.4,32.9,32.1,32.3,33.1,32.3,30.5
2006,32.7,34.2,35.9,35.3,33.6,34.2,32.5,31.4,32.6,32.9,33.3,31.1
2007,31.6,34.3,35.6,35.9,33.8,32.4,32.9,31.6,32.1,31.7,30.5,32.2
2008,31.6,30.8,34.5,35.3,33.2,32.2,32.1,31.6,31.8,32.5,30.8,29.7
2009,30.2,34.9,34.6,35.6,34,32.9,31.6,32.6,32.8,32.9,32.6,31.9
