1901,30.6,32.6,31.8,31.9,31.2,29.7,28.5,27.9,28.9,30.3,31.4,31.2
1902,30.8,32.4,32.2,32.8,31.6,29.8,28.6,27.6,28.7,30.2,31.3,31.5
1903,32.1,33.1,32.7,32.5,31.6,29.5,28.5,27.8,29.1,30.6,31.4,31
1904,32.1,33,32.6,32.2,31.4,29.3,28.4,27.4,28.5,30.2,30.9,31.1
1905,31.6,31.5,32.4,32.2,31.6,29.3,28.4,27.6,28.8,30.4,31.4,31.6
1906,32.7,32.9,32.9,33.6,32,30.3,28.5,27.7,28.8,29.9,30.8,30.7
1907,31.5,31.7,32.8,32.3,32,30,29,27.8,28.8,30.9,31.7,31
1908,31.2,32.1,32.3,32.5,31.5,30.4,29,27.5,28.7,30,31.2,31.9
1909,32.6,33.4,34.2,32.3,31.5,29.3,28.4,27.1,28.8,29.9,32,31.8
1910,33,33.4,32.6,32.6,32.1,30.6,28.6,27.7,28.6,29.9,31.4,31.6
1911,32,33,32.8,32.5,31.3,28.9,28.3,27.4,28.8,30.3,30.8,30.5
1912,31,32.4,32.2,32.6,31.8,29.9,28.7,28.1,28.8,29.8,30.2,31.3
1913,31,32.2,31.7,32.2,31.9,30.8,29,28.6,28.8,30.1,30.8,31
1914,32.9,32.8,32.2,32.2,32.2,30,28.9,27.9,28.3,29.9,30.9,30.7
1915,31.5,32.7,32.9,32.3,31.4,29.5,28.5,27.8,28.4,29.5,30.9,30.6
1916,32.2,33,32.6,31.7,31.1,29.5,28.3,27.5,28.4,29.7,30.8,31.8
1917,32,32.8,32.2,32.1,31.4,29.8,28.6,27.8,28.7,30.1,30.7,31.6
1918,32.7,31.4,32,32,30.7,29.5,28.3,27.7,28.8,30,31,31.2
1919,32.1,33,32.7,32,31.1,29.9,28.6,27.7,28.8,30.5,30.8,31.5
1920,32.5,33.2,33,32.2,31.4,29.6,28.5,27.7,28.6,30.1,31.2,31.3
1921,31.1,33,32.8,32.4,31.3,29.7,28.7,28,29.1,30.3,31.3,32
1922,32.4,32.9,32.3,32.1,31.2,29.6,28.3,27.6,28.3,30.3,31.4,31.4
1923,32.7,32.5,31.7,31.5,31.2,29.8,29.5,27.6,28.6,29.8,31,32.3
1924,32.2,34.2,33.6,31.2,30.7,29.6,28.1,28.3,30.8,29.9,31.7,31.3
1925,31.3,32,32.5,33.2,32,29.3,28.7,27.5,28.4,29.3,30.3,30.5
1926,31.5,35,34.1,33.2,31.6,29.6,28.1,28.6,29.5,31.8,31.4,31.5
1927,32.7,33.8,31.6,32.2,31.3,28.7,28.3,27.3,29.3,30,31.3,30.9
1928,32.9,32,32.1,31,29.7,29.9,28.9,27.4,28.2,29.1,30.6,31
1929,32.7,32.9,32.4,32.4,31.2,29.1,28.2,27.6,28.8,30,31.4,30.6
1930,31.3,33.2,32.4,32.1,31.3,29.7,28.3,27.6,28.8,29.9,31,31.9
1931,31.4,32.8,33.2,32.4,31.5,30.4,28.9,28.3,28.5,30.6,31.7,32.5
1932,33.3,33.8,32.7,32.6,31.9,29.7,28,28.5,28.4,30.8,32.4,32
1933,32.9,33.9,32.2,32.3,31.3,29.7,29.1,27.9,29,30.1,32.2,31.9
1934,32.9,33.2,32.4,32.3,31.5,29,28.6,29,30.2,31,31.7,31.8
1935,33.4,34,33.4,32.6,31.4,29.4,28.4,27.4,29.4,29.7,31.2,32
1936,32.4,34.3,33,32,30.9,29.5,28.5,27.9,28.9,30.7,32.2,31.4
1937,33.5,34,33.5,33,31.9,30.1,28.8,28.3,29.2,30.6,31.9,32.8
1938,32.4,34.3,32.9,32.9,32,30.3,28.7,27.7,28.9,30.9,31.9,32.3
1939,32.5,33.1,32.6,33,31.8,29.9,29.3,28.4,28.7,30.2,31.7,31.8
1940,31.7,32.5,33,32.7,31.9,30,28.5,28,29,30.2,31.1,31.7
1941,32.2,34.2,34.1,32.8,31.4,30.5,28.9,29,30.6,31.2,31,31.3
1942,32,33.8,33.8,32.8,31.2,29.6,28.3,28,30.5,30.3,31.1,31.1
1943,32.1,33.5,32.2,32.2,30.4,29.4,27.8,27.6,29.2,30.4,30.3,31.4
1944,31.4,33,32.2,32.7,32.8,30.2,28.9,28.7,29.7,31.2,31.9,31.7
1945,32.1,33.5,33,32.7,31.8,29.9,28.4,28.5,29.8,30,31.4,31.9
1946,32.2,33.6,33.3,32.9,31.3,28.8,28.4,27.4,29.1,29.6,31.1,31.3
1947,32.1,32.9,32.9,31.7,31.6,29.8,28.6,28.4,29.2,30,30.4,30.8
1948,32.1,32.3,33.4,31.8,30.7,28.9,28.4,28,28.9,30.5,30.4,31.1
1949,32.3,33.4,32.8,32.1,31.1,29.8,29,28.1,29.5,30.4,30.7,31.5
1950,32.1,33.6,33,31.7,31.3,29.3,28.6,27.7,28.7,29.6,30.7,30.6
1951,32.2,32.3,32.4,33.4,31.3,30.2,29.4,28.3,30.1,30.4,31.6,32.8
1952,32.6,33.6,33.2,33.3,31.4,30.1,29,27.7,29.9,30.5,31.3,31.2
1953,31,32.2,32.4,33.3,31.8,29.6,29,28,30.1,31.1,32.4,32.3
1954,31.5,32.8,32.6,32.1,31.7,29.2,27.9,27.8,29.1,30.2,31.4,31.3
1955,31.2,32.4,31.5,31.9,31,29.5,28.1,27.5,28.9,30.2,31.2,30.5
1956,30.9,31.4,31.9,32.3,31,29.2,28.1,27.5,29.1,30.5,31.4,31.4
1957,31.2,32.9,32.7,33,31.2,29.2,28.4,28.4,28.9,30.3,31.5,32.2
1958,33.2,33.2,33.3,32.7,31.5,28.7,27.8,27.7,28.3,30.2,31.1,31.5
1959,32.2,32.6,32.7,33,30.9,30,28.5,27.9,28.9,30.5,31.4,30.7
1960,31.6,33.1,32,31.5,32,29.5,28.9,27.7,28.8,30.2,31.4,31.1
1961,31.9,33.5,33.7,32.3,32.1,29.9,28.5,27.7,28.2,30.4,31.7,31.4
1962,32.8,33.3,32.1,32.6,31.6,29,29,26.8,28.8,29.8,30.2,30.7
1963,32,32.6,32.7,32.1,31.2,30.3,29,29.4,30.3,30.6,31.6,31.5
1964,31,33.6,32.8,32.2,30.7,28.8,28.5,28,28.2,29,30.2,30
1965,30.2,31.1,32.1,31.4,31,29.5,27.5,27.3,29.1,30.5,31.1,30.6
1966,31.7,33.2,33,32,31.6,29.7,29.6,28.4,29.1,30.2,31.7,31.5
1967,32,32.9,32.3,32.3,31.4,29.8,28.3,27.2,28.7,29.7,31.4,30.9
1968,31.2,31.9,31.9,31.9,31.4,29.7,29.1,29.1,29.9,31,30.9,31.4
1969,31.7,33.7,33.7,33.3,32.3,29.7,28.5,28.1,28.8,30.2,31,31.3
1970,31.7,33.3,32.8,32.7,31.5,30.2,28.6,28.2,29.4,30.9,31.1,31.5
1971,31.5,31.6,31.9,32,31.2,29.4,28.8,27.1,27.6,29.4,30.6,30.4
1972,31.1,32.3,31.7,31.4,30.7,29.3,28.3,26.7,27.9,30,31,31.3
1973,32,33.2,33,32.4,32.2,29.7,29,27.9,28.5,30.4,31.7,31.6
1974,31.2,32.2,32,31.9,31.1,29.9,28.7,28.6,27.9,29.4,31,30.8
1975,32.4,32.6,32.4,31.6,31,30,28.7,27.2,28.4,29.1,30.7,31
1976,31.7,31.7,32.4,31.8,30.7,28.4,27.3,27.1,27.6,28.5,30.1,30.9
1977,30.8,32.9,32.7,32.7,31.6,29.1,27.9,26.9,28.7,29.7,31.6,30.7
1978,31.9,32.4,31.9,31.5,30.9,28.7,27.5,27.8,28.2,29.4,31,30.9
1979,31.7,32.5,33.1,32.9,31.1,29.2,28.1,28,29.5,30.3,31.3,30.9
1980,31.3,32.2,32.2,32.8,30.9,29.4,27.8,28.1,29,29.8,31,31.3
1981,32,32.6,32.5,32.8,30.7,29.8,27.7,27.8,28.9,30.6,31.7,31.4
1982,32.7,32.9,32,32.3,30.6,29.1,27.5,26.7,28.7,30.1,30.9,31.3
1983,32.3,33.8,33.8,33.3,31.5,28.9,27.8,28.3,29.1,31.2,31.7,31.4
1984,32.3,34,32.7,32.7,31.8,31.1,28.4,28.6,29.2,30,31.9,31.3
1985,31.6,33,32,32.2,31.6,29.8,28.4,28.2,28.4,30.7,31.6,32
1986,32.8,33.4,31.8,33,32,30.2,28.2,27.7,28.9,29.6,30.7,31.3
1987,32.6,32.5,33,33.3,32.4,30.2,29.6,28.7,29.5,30.7,32.4,31.6
1988,32.5,34.3,32.8,33.4,32.5,30.2,29.1,28,29,31.2,32.1,31.3
1989,31.8,34.1,33.2,33,32.4,30.5,29.2,28.6,28.6,30,32.1,31.4
1990,31.4,32.6,33.9,32.6,31.7,29.8,28.2,27,29.1,31.1,31.5,32
1991,32.3,32.9,32.6,31.7,30.9,30.6,29.2,27.5,28.8,29.1,30.8,31.3
1992,31.9,33.4,32.7,32.2,31.6,29.5,27.7,27.3,28.9,30.4,30.5,31.5
1993,31.6,33.3,31.7,32.6,31.7,29.8,28.3,27.5,29.5,30.8,31.4,31.6
1994,31.8,33.5,32.8,32.4,31.3,29.9,27.6,27.6,28.7,29.8,31.2,31.5
1995,32.3,33.9,32.8,32.9,31.9,30.8,29,28.5,29.1,30.4,31.6,31.3
1996,30.8,32.2,32.6,32.9,32.1,30.2,28.8,28.2,28.7,29.8,32.1,31.6
1997,32.1,33.1,32.7,32,31.7,29.4,28.1,27.8,30,31.3,31.9,32
1998,32.6,34.7,34.4,33.7,32.3,30.6,28.8,27.8,29.2,30.8,32.2,32.5
1999,32.5,33.1,33.1,32.8,31.8,30.9,29,28.4,28.4,30.1,31.4,31.7
2000,32.3,32.7,33.8,32,32.5,30.2,28.3,28.8,29,30.2,32.2,32.4
2001,31.2,33.2,32.7,33,31.5,29.8,28.7,28,28.9,30.8,32.3,31.1
2002,32.7,32.1,32.5,32.5,32.3,30.4,28.8,27.9,28.9,30.2,30.9,31.9
2003,31.3,33.3,32.4,32.3,32.2,29.8,29,28.8,29.2,31.1,31.4,31.5
2004,32.1,32.9,33.5,32.2,31.2,29.5,28.6,27.9,29.1,30.8,31.6,32
2005,31.7,33.7,33.1,32.8,31.5,29.9,28.7,28,29.9,31.1,31.9,32.3
2006,30.6,32.9,32.7,33.5,30.8,31.4,29.2,28.6,29.2,31.4,30.3,31.4
2007,31.2,34.8,33.8,32.6,32.5,29.9,29.3,28.2,29.8,30.5,31.4,32.7
2008,30.6,32.6,32.5,32.9,31.7,30,28.7,28.3,29.2,30.2,30.5,31.1
2009,31.4,33,32.3,32.6,32.1,30.3,29,28,29,29.9,32.4,30.7
