1901,31,33.1,32.3,32.3,31.5,30.2,29,28.6,29.5,30.6,31.6,30.7
1902,30.1,32.8,32.7,33.1,32,29.7,28.9,28.2,29.3,30,31.5,31.3
1903,32.3,33.4,33,32.8,32,29.9,29,28.7,29.9,31,31.6,30.7
1904,32.4,33.4,33.1,32.7,31.9,29.6,28.9,28,29,30.5,31,30.9
1905,31.5,31.3,32.6,32.4,32,29.8,28.9,28.3,29.6,30.7,31.7,31.6
1906,33.1,32.9,33.1,34.1,32.6,31,29.1,28.4,29.5,30.3,30.8,30.5
1907,31.5,31.6,33.2,32.7,32.6,30.5,29.5,28.6,29.5,31.5,32,30.8
1908,31.2,32.1,32.7,32.8,32.1,31.3,29.7,28.3,29.4,30.3,31.3,31.7
1909,33,33.8,35,32.7,32,29.7,28.9,27.6,29.5,30.1,32.4,31.8
1910,33.7,33.8,33,32.8,32.7,31.2,29.2,28.5,29.2,30.2,31.6,31.4
1911,32.1,33.3,33.2,32.8,31.8,29.5,28.8,28.1,29.2,30.4,31,30.1
1912,30.8,32.4,32.4,32.9,32.1,30.4,29.2,29,29.5,30,30,31
1913,30.7,32.4,32.1,32.5,32.5,31.4,29.6,29.6,29.5,30.4,30.8,30.8
1914,33.4,33.1,32.6,32.5,32.8,30.5,29.6,28.8,28.9,30.1,31.2,30.4
1915,31.6,32.8,33.3,32.3,31.8,29.8,28.9,28.6,28.8,29.5,30.7,30.1
1916,32.3,33.1,32.8,31.8,31.3,29.8,28.9,28.2,28.9,29.8,30.7,31.9
1917,32.1,33.2,32.5,32.3,31.9,30.3,29,28.6,29.3,30.3,30.8,31.5
1918,33.1,31,32,32.3,31,30.2,28.8,28.4,29.3,30.2,30.9,31.2
1919,32.3,33.2,33.5,32.6,31.8,30.7,29.4,28.5,29.6,30.9,30.8,31.3
1920,32.8,33.5,33.6,32.6,31.9,30.2,29.3,28.5,29.4,30.5,31.6,31.1
1921,31.1,33.4,33.3,33,32,30.6,29.2,28.8,29.8,30.6,31.5,32.1
1922,32.6,33.1,32.6,32.5,31.6,30.1,28.7,28.3,28.8,30.8,31.8,31.4
1923,33.1,33,32.2,31.6,31.6,30.3,29.6,28.4,29.3,30.3,31.1,32.3
1924,32.1,34.1,33.9,31.9,31.3,30.4,28.5,29.1,31.1,30.1,31.9,31.6
1925,32,32.5,33.1,33.3,31.7,29.3,29.2,28.2,29.1,29.9,30.8,30.5
1926,31.8,35,34.4,33.2,31.9,30.5,28.7,29.4,30.3,32.2,31.8,31.6
1927,33.6,34.3,32.1,32.6,31.9,29.8,28.9,28,29.6,30.4,31.9,31.3
1928,33.5,32.6,32.7,31.4,30.3,30.6,29.6,28.2,29,29.7,31.1,30.9
1929,33.6,33.2,32.6,32.2,31.6,30.1,29.2,28.9,30.1,30.3,31.4,30.4
1930,32.3,34,33.7,32.5,31.3,30.5,29.1,28.7,29.7,30.2,32,32.3
1931,31.9,33.6,33.5,33,32.2,31,29.7,29.4,29.5,31,32.5,33
1932,34.3,34.5,33.3,33.3,32.4,30,28.7,29.6,29.1,31.4,33.3,32.9
1933,33.8,35,33.5,33,31.4,30.5,29.7,28.5,29.8,30.3,32.9,31.7
1934,33.9,33.9,33,32.6,31.8,29.6,28.9,29.5,30.4,31.3,32.2,32.2
1935,34.2,34.7,34.5,33.2,32,29.9,29,28.2,30,30.1,31.6,31.8
1936,32.6,34,33.6,32.2,31.3,30.1,29,28.7,29.5,31.1,32.2,31.1
1937,34.2,34.4,34.4,33.6,32.6,30.7,29.7,29.4,30.2,31.3,32.5,33.2
1938,32.9,35,33.6,33.6,32.8,31.3,29.3,28.7,29.9,31.5,32.4,32.5
1939,33,33.7,33.2,33.6,32.6,30.5,30,29.2,29.4,30.9,32.3,31.9
1940,32,33.1,33.8,33.1,32.3,30.5,29.1,28.7,29.6,30.5,31.3,31.7
1941,32.6,34.8,34.8,33.4,32.1,31.1,29.7,29.7,31.3,31.8,31.5,31.6
1942,32.6,34.5,34.4,33.3,31.9,30.4,29,28.8,31.1,30.7,31.5,31.6
1943,32.7,34.2,32.7,32.7,30.6,29.9,28.4,28.4,29.7,30.8,30.9,31.7
1944,31.8,33.5,32.9,33,33.4,30.7,29.4,29.3,30.5,31.6,32.3,31.8
1945,32.5,34,33.4,33.1,32.3,30.4,28.9,29.1,30.5,30.4,31.7,32
1946,32.7,34.2,33.9,33.3,31.9,29.3,28.9,28.1,29.8,29.6,31.4,31.3
1947,32.6,33.7,33.2,32.2,32.1,30.5,29,29.2,29.8,30.5,30.9,30.9
1948,32.9,33.1,33.8,32.2,31.1,29.2,28.8,28.7,29.7,30.9,30.9,31.1
1949,32.8,34.1,33.4,32.5,31.6,30.5,29.4,28.7,30.1,31.1,31.1,31.4
1950,32.6,34.1,33.5,32.2,31.8,29.9,29.1,28.4,29.5,30.1,31,30.6
1951,31.6,33.2,32.3,33.7,31.8,30.8,29,29,29.4,29.2,30.6,31.6
1952,32.4,33.2,32.5,33.2,31.8,30.5,28.2,28.1,28.8,29.7,30.5,30.8
1953,30.9,31.9,32.2,33.4,31.9,30.2,28.4,28.7,29.2,30.2,31.6,31.8
1954,31.1,32,32.3,32.2,32.2,29.6,27.6,28.6,29,29.9,31.4,31
1955,30.8,32.3,31.8,32.4,31.6,29.8,27.8,28,28.6,29.5,31.4,30.4
1956,31.7,32.4,31.7,32.6,31.5,29.6,27.5,27.8,29.7,30,30.7,30.6
1957,30.9,32.9,32.9,32.9,31.3,29.8,28.4,28.5,28.8,29.4,30.6,31.1
1958,32.4,33.1,33.2,32.5,31.2,29.4,27.8,28,28.8,30.4,30.6,30.7
1959,32.4,33,33.2,33,31.3,30.4,29,28.2,29.5,30.9,31.4,30.8
1960,31.9,33.5,32.5,31.8,31.8,30,29.2,28.5,29.4,30,31.5,30.5
1961,32.1,33.6,33.3,32.5,32.3,30,28.1,28,28.6,30.7,31.1,31
1962,32.3,32.9,32.3,32.5,31.6,29.4,29.2,27.8,28.9,30.2,30.5,31.2
1963,32,32.5,33.3,32.3,32,31,29.9,29.9,30.4,30.9,32,31.7
1964,32,34.3,33.3,32.5,31,29.2,28.4,28.3,28.8,29.2,30.4,29.7
1965,31.8,32.3,33,31.8,31.3,29.8,28.1,28,29.3,30.3,31.2,30.9
1966,31.6,33.3,33.2,32.5,31.9,30.4,29.5,29.1,29.2,31,31.8,31.4
1967,32.2,33.5,32.7,32.6,31.7,30.1,28.1,28.3,28.9,29.9,31,30.9
1968,31.2,32.1,32.2,32.2,31.8,30,29,29.9,30,31.6,31.2,31.1
1969,31.6,33.6,33,33.6,32.4,30.2,28.4,28.7,28.9,29.8,31,31.1
1970,31.3,33,32.6,32.9,31.7,30.4,28.7,28.5,29.4,30.7,31.1,31.1
1971,31.3,31.5,31.8,32.5,31.8,29.9,29,27.6,28.6,30,30.8,30.3
1972,30.9,32.4,32.2,31.9,31.2,29.9,28.7,27.3,29.1,30.3,31.1,31
1973,32.2,33.5,33.2,32.9,32.7,30.2,29.5,28.6,29.3,30.5,32.1,31.3
1974,32,32.9,32.9,32.4,31.6,30,29.3,29.2,29.2,30.5,32,30.9
1975,32.7,33,33,32.3,31.6,30.5,29.2,27.7,28.9,30.4,31.3,30.8
1976,32.3,32.5,33,32.3,31.2,28.9,28.1,27.8,29.1,29,30.5,31
1977,31.6,33.1,33.4,32.8,32,29.7,28.8,27.5,29.5,30.5,32,31.3
1978,31.9,32.9,32.3,31.9,31.4,29.3,28.4,28.5,29.5,30,31.4,31
1979,32,33.2,33.8,33.2,31.8,29.6,29,28.7,30,30.6,31.4,31.4
1980,31.7,32.8,32.8,33,31.2,30,28.7,28.8,29.9,30.2,31,31
1981,32.8,33,33.2,33.1,31.2,30.4,28.2,28.6,29.5,31.1,32.1,31.5
1982,33.2,33.6,33.4,32.9,31.3,29.7,28.4,27.6,29.4,30.6,31.2,31.5
1983,32.9,34.4,34.4,33.8,32.2,29.5,29.1,28.9,29.9,31.4,31.9,31.4
1984,32.7,34.3,33.8,33,32.4,31.7,29.1,29.5,29.9,30.8,32.4,31.1
1985,32.3,33.8,32.7,32.6,32,30.5,29,29,29.4,31.1,31.9,32
1986,33.4,33.9,32.6,33.4,32.7,30.8,28.6,28.3,29.7,30.3,31,31.6
1987,32.8,33.1,33.5,33.9,33,30.8,30.2,29.5,30.2,31.1,33,31.7
1988,33.3,34.9,34.1,33.9,33.3,30.9,30,29.1,29.8,31.8,32.5,31.5
1989,32.2,34.7,33.9,33.5,32.9,31.1,30,29.5,29.7,30.7,32.5,32
1990,32,34.3,34.2,33.4,32.5,30.7,29.1,28,30.1,31.5,31.6,31.7
1991,32.6,33.5,33.6,32,31.5,31.2,29.6,28.2,29.7,29.8,31.3,31.2
1992,31.9,34.3,33.5,32.8,32.3,30.1,28.8,28,29.6,30.9,31.2,31.5
1993,31.7,32.8,32.8,33.1,32.8,30.4,29.3,28.3,30.1,31.5,31.9,32.1
1994,31.8,34.1,33.6,32.7,31.8,30.4,28.9,28.3,29.6,30.4,32.1,32
1995,33.5,34.7,33.6,33.6,32.7,31.2,29.8,29.3,30.5,31.2,32.6,31.7
1996,31.3,33.5,33.6,33.1,32.6,30.6,29.7,29,29.7,30.8,32.4,32
1997,33.1,33.7,33.2,32.5,31.7,29.8,29.2,28.5,30.7,31.6,32.1,32
1998,32.7,35,34.7,34,32.9,31.5,29.8,28.5,30,31,32.7,32.8
1999,31.8,33.8,34.1,33.3,32.4,31.5,29.6,29.1,29.7,30.4,31.5,32.1
2000,32.8,33.6,33.8,32.4,33.4,30.7,29.3,29.6,30.3,31.1,32.7,32.3
2001,32.3,33.8,33.5,33.3,32,30.4,29,28.7,29.6,31.4,32.6,31.6
2002,33.2,33,33.3,32.9,32.9,30.9,29.3,28.6,29.5,30.8,31.6,32.2
2003,32,33.6,33.5,32.7,32.8,30.3,29.4,29.6,30.1,31.4,32.1,32
2004,32.5,33.3,34.2,32.5,31.7,30.1,29.2,28.6,29.8,31.2,32.1,32
2005,32.7,34.1,33.1,33.3,32,30.4,29,28.7,30.1,31.4,32.4,32.5
2006,30.2,33.3,33.2,34.2,31.7,31.8,29.7,29.3,30,31.8,31,31.6
2007,31.5,35,33.9,33,32.9,30.4,29.9,29.1,30.3,31,31.9,32.5
2008,31.4,33.4,33.2,33.1,32.3,30.7,29.5,29.2,30.1,30.9,31.2,31.5
2009,32.5,33.5,33,33,32.8,31,29.5,28.7,29.9,30.5,32.5,31.3
