1901,31,33.2,32.2,32,31.3,29.7,28.4,28.3,29.2,30.4,31.7,31.4
1902,30.7,32.9,32.7,32.7,31.5,29.5,28.4,28.1,29.2,30.2,31.7,31.6
1903,32.2,33.5,33,32.5,31.5,29.4,28.5,28.4,29.5,30.7,31.7,31.1
1904,32.4,33.4,33.1,32.4,31.5,29.2,28.4,27.8,28.8,30.4,31.3,31.3
1905,31.5,31.5,32.6,32.1,31.6,29.2,28.4,28.1,29.5,30.3,32.4,32.6
1906,32.7,33.1,33.1,33.9,32,30.5,28.7,28.1,30,30.8,31.8,32
1907,31.5,32.2,33,32.3,32.2,30,28.6,28.4,29.4,31.4,32.1,30.9
1908,31.3,32.3,32.6,32.4,32.4,30.5,29.2,27.9,29.3,30.3,31.4,31.8
1909,32.7,34,35,32.5,31.6,29.2,28.2,27.4,29.2,29.8,32.5,32
1910,33.2,33.8,32.8,32.4,32.1,30.9,28.9,28.3,29.6,30.4,31.7,31.6
1911,31.9,33.3,33.3,32.5,31.4,29.1,28.3,28,29,30.3,32.2,31.3
1912,31.1,32.7,32.6,32.8,31.7,30.1,29,28.9,29.8,30.3,31.2,31.6
1913,30.9,32.6,32,32.2,32,30.8,29.4,29.5,30.1,30.3,31.4,31.4
1914,33.7,33.2,32.8,32.3,32.4,30.2,29.7,28.6,29.8,30.9,33,31.9
1915,31.9,33.2,33.2,32.2,31.5,29.5,28.4,28.3,28.7,29.7,31.3,30.8
1916,32.5,33.6,33,31.9,31.1,29.5,28.3,28.1,28.9,29.9,31.3,32.1
1917,32.1,33.4,32.8,32.2,31.6,30,28.4,28.3,29.3,30.3,31.5,32
1918,33.1,32,32.6,32.2,30.9,29.7,28.4,28.4,29.2,30.3,31.4,31.6
1919,32.3,33.4,33.4,32.4,31.5,30.1,28.9,28.3,29.4,30.7,31.1,31.6
1920,32.7,33.6,33.6,32.4,31.5,29.7,28.7,28.3,29.2,30.4,31.8,31.5
1921,31.3,33.5,33.3,32.7,31.7,30.1,28.6,28.5,29.5,30.4,31.7,32.3
1922,32.5,33.2,32.7,32.4,31.3,29.6,28.2,28.2,28.9,30.7,32,31.9
1923,32.8,33,32.2,31.2,31,29.7,28.3,28,29.1,30.3,31.2,32.5
1924,31.4,32.8,33.2,32.2,31.3,30,27.9,28.4,29.7,29.9,31.5,31.9
1925,31.9,32.9,32.9,32.3,30.5,28.8,28.2,27.7,28.5,29.8,30.6,30.8
1926,31.9,34.3,33.2,31.9,31,29.5,28.3,28.9,30,31.2,31.8,31.9
1927,33.2,34,32,32.3,31.3,29.5,27.8,27.6,28.9,29.6,32,32.1
1928,33,32.8,32.5,31.2,30.2,30,28.8,27.9,28.9,29.8,31.4,31.2
1929,33.4,33.2,32.3,30.6,30.9,30.1,29.2,28.6,29.9,29.6,30.7,30.1
1930,33.4,35.2,33.8,32.2,30.9,29.8,29.1,28.6,29.8,29.4,33,33.5
1931,32.1,33.8,32.7,32.6,31.8,30.3,29.4,29.2,29.2,30.8,32.6,33.3
1932,33.8,34.5,33.3,33.3,31.7,29.5,28.3,29.8,29.3,31.4,33.6,33.7
1933,34.2,35.5,34.2,32.9,30.7,30.1,29,28.3,29.7,30.1,33.1,32.2
1934,33.9,34.2,33,32.3,31.3,29.3,28.3,28.5,29.4,30.8,32.5,32.8
1935,34,34.7,34.9,33.1,31.5,29.3,28.5,28,29,29.9,31.8,31.5
1936,32.2,32.5,33.7,31.6,30.5,29.3,28.1,28.2,28.9,30.4,31.4,31.1
1937,34,34.5,34.4,33.4,32.3,30.2,29.1,29.1,29.9,31.1,32.7,33.5
1938,32.9,35.2,33.6,33.3,32.5,30.8,28.9,28.5,29.7,31.4,32.8,32.9
1939,33.1,33.8,33.3,33.4,32.1,30,29.4,28.9,29.2,30.8,32.6,32.5
1940,32.1,33.4,33.7,32.7,31.8,29.9,28.5,28.4,29.2,30.4,31.6,32.1
1941,32.8,34.5,34.7,33.2,32.1,30.6,29.2,29.2,30.7,31.8,32.2,32.4
1942,32.6,34.6,34.2,32.9,31.7,30.2,28.8,28.4,30.5,30.6,32.1,32.3
1943,32.6,34.2,32.8,32.5,30.4,29.1,28.3,28.3,29.3,30.6,31.7,32.5
1944,31.9,33.6,33.1,32.3,33,30.2,29,28.6,30.1,31.3,32.4,32.4
1945,32.6,33.9,33.3,32.7,32,30.1,28.4,28.5,30.1,30.3,32,31.8
1946,32.9,34,33.8,33,31.5,29.1,28.3,27.9,29.2,29.1,31.8,31.6
1947,32.6,34.2,33.2,32.3,32,30.3,28.7,28.9,29.5,30.5,31.4,31.5
1948,32.8,33.6,33.4,31.7,30.8,28.8,28.2,28.3,29.4,30.8,31.3,31.7
1949,32.8,34,33.6,32.3,31.7,30.3,28.9,28.3,29.8,31.1,31.9,31.8
1950,32.6,33.9,33.2,32.3,31.6,30,28.4,28,29.3,30,31.3,31.3
1951,32.7,33.7,33.3,33,31.7,30,28.6,28.4,29.8,29.8,31.1,31.9
1952,32.6,32.9,32.7,32.5,30.9,29.3,27.7,27.4,28.5,29.6,30.7,31.5
1953,31.4,32.5,31.9,32.6,30.7,29.3,27.9,27.6,29.3,29.6,31.3,31.8
1954,31.2,32.6,32.3,31.5,31,28.9,26.9,27.4,28.8,29.5,31.4,31.5
1955,31.4,32.8,31.8,31.6,31.3,29.2,27.3,27.5,28.9,29.7,31.4,31
1956,31.7,32.5,31.7,31.9,31,29.1,27.1,27.3,29.5,30.1,31.4,31.6
1957,31.6,33.4,33.3,32,31.4,29.7,28.2,28.3,28.9,29.3,30.9,31.5
1958,32.9,32.8,33.2,31.8,30.6,29,27,27.7,28.9,29.7,31,31.8
1959,32.4,33.4,33.4,32.5,30.8,29.5,28.3,27.9,29,30.5,31.5,32
1960,32.2,33.4,32.6,31.4,31,29.4,28.3,28.4,29.4,29.8,31.5,31.4
1961,32.6,33.4,33.4,31.6,31.5,29,27.6,27.9,28.9,30.3,31.4,31.6
1962,32.5,33.6,33.1,32.3,31.3,28.7,28,28,29,30.2,31.1,31.7
1963,32.5,33.6,33.3,32.2,31.6,30.4,29.2,29.1,30.1,30.5,32.2,32.2
1964,32.5,33.6,33.5,32.5,30.9,29.2,27.7,27.7,28.8,29.3,30.9,30.7
1965,31.4,32.8,32.8,31.8,31.3,29.4,27.6,27.8,29.2,30.4,31.7,31.6
1966,32.2,34,33.3,32.6,31.7,30.4,29.2,28.5,29.1,30.4,31.4,31.8
1967,32.2,33.6,32.9,32.6,31.3,29.4,27.8,29,29,29.9,31.2,31.4
1968,31.9,33,32.3,31.8,31.1,29.3,28.5,29.6,28.9,30.3,31.3,31.4
1969,31.9,33.6,32.8,32.8,32,29.7,27.7,28.2,28.7,29.7,31.3,31.8
1970,32.1,33.6,32.9,32.5,31.1,29.7,28.1,27.8,28.9,30.1,31.2,31.1
1971,31.6,32.4,32.7,32.2,31.8,29.4,28,27.1,28.4,30.2,31.5,30.8
1972,31.7,33.2,32.8,32,31.2,29.6,28.4,27.8,29.3,30.3,32.1,31.5
1973,32.8,34,33.3,33,32.1,30,29,28.5,29.1,30.5,31.9,31.3
1974,31.6,32.9,32.6,32.2,30.9,29.2,28.5,28.3,28.1,29.8,31.7,30.9
1975,31.6,32.6,32.7,32.3,31,29.5,28.1,27.1,28.1,30,31.3,31.5
1976,31.9,32.5,32.4,32.1,31,28.6,27.2,27.2,28.5,29.1,30.8,31.2
1977,31.9,33.2,33,32.5,31.6,29.2,29,27.6,29.1,30.6,32,31.3
1978,32.2,33.4,32.4,31.6,30.7,29,28.1,28.1,29.1,30.4,31.6,31.7
1979,32.5,33.3,33.2,32.5,31.5,29.5,28.3,28.8,29.7,30.6,31.7,31.6
1980,32.5,33.4,32.9,32.6,30.6,30,27.7,28.3,29.4,30.7,31.7,31.2
1981,32.6,33.7,33.3,32.7,31.4,30.4,28.2,28.4,29.5,30.9,32.2,32.6
1982,33.1,33.9,33.4,32.4,30.7,29.1,27.8,27.5,29.5,30,31.3,31.9
1983,31.7,34,33.9,33,31.5,29.1,28.3,28.1,29.4,30.9,31.7,31.5
1984,32.9,34.2,34,32.1,31.7,30.5,29.1,29.5,29.5,30.9,32,31.7
1985,32.3,33.9,33,32.2,30.9,29.9,28.6,28.8,29.4,31,31.7,31.6
1986,32.7,33.8,32.8,32.7,32.6,29.6,27.8,27.9,29,29.9,31.2,31.7
1987,32.7,33.6,33.7,33.8,32.6,30.6,30.1,29.7,30,30.8,33.1,32.4
1988,33,34.4,33.7,33.2,32.5,30.3,29.1,29,29.5,31.3,32.7,31.6
1989,31.8,33.9,33.1,32.5,31.5,30.3,29,28.9,29.9,30.9,32.7,32.2
1990,32.6,33.8,34.4,32.6,31.8,30.8,28.5,28.8,29.4,31,32.1,32.3
1991,32.5,33.3,33.2,31.6,31.4,30.6,28.5,27.9,29.2,29.6,31.5,31.4
1992,31.8,33.7,33,32.4,31.9,29.5,28.2,27.9,28.9,30.7,31.6,32.3
1993,32.2,34,32.7,32.8,32.1,29.8,28.4,28.2,29.6,31.4,32.3,32.5
1994,31.6,33.7,32.8,32.1,31.5,30.1,28.2,27.8,29.2,30.4,32.4,31.7
1995,33.3,34.5,32.9,32.9,32.3,30.5,28.9,28.7,29.6,30.7,32.9,32.5
1996,32.5,33.6,33.3,32.6,31.9,30.1,29.1,28.4,28.6,30.4,32.4,32.2
1997,32.6,34.4,32.3,31.9,31.3,29.6,28.4,28.5,30.3,31.2,32.3,32
1998,32.6,34.8,34.5,34,32.6,31.4,28.8,28.8,29.5,30.9,32.8,33
1999,32.1,33.6,33.6,32.8,32.4,31,29.1,28.6,28.9,29.9,32.2,32.9
2000,33,33.5,33.8,32.9,32.8,30.2,28.6,28.4,29.9,30.9,32.9,33.4
2001,33.4,34.3,34,32.7,31.7,30.1,28.7,28.3,29.5,31,32.6,32.6
2002,32.3,33.8,33.7,32.6,32.8,30.5,29,28.6,29.1,30.7,32.3,32.2
2003,32.3,33.9,33.9,32.4,32.6,30,28.4,28.7,29.9,31.2,32.9,32.9
2004,33.2,33.5,33.9,32.7,31.4,30.4,28.9,28.3,29.8,31,32.7,32.9
2005,32.7,34.4,32.8,33.2,31.6,29.9,28.1,28.2,29.7,31.1,32.8,32.9
2006,32,34.1,33.6,33.4,31.6,31.5,29.3,28.6,29.5,31.2,32,32.3
2007,31.4,34.3,33.4,32.3,32.1,29.8,28.9,29,29.8,30.7,32.3,32.3
2008,31.3,33.4,33.5,32.8,31.8,30.2,29.1,28.9,29.8,30.7,32.4,32.5
2009,33.5,34.1,33.7,32.4,32.6,30.9,28.5,28.3,29.7,30.3,32.5,32.8
