1901,31,32.2,31.2,31.2,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1902,31.2,31.8,31.4,31.1,30.3,28.8,27.2,27.4,28.2,29,30,30.5
1903,31.5,32.4,31.7,31.2,30.2,28.4,27.2,27.3,28.2,29,30,30.5
1904,31.2,31.9,31.2,31.1,30,28.6,27.2,26.8,28.2,29,30,30.5
1905,31.3,32.1,31.8,31.7,30.5,28.5,27.2,27.4,28.2,29,30.2,30.6
1906,30.9,32.2,32,32.2,30.2,28.8,27.2,27.1,28.4,29.1,30.1,30.7
1907,31,32.1,31.7,31.3,30.5,28.7,27.2,27.6,28.3,29.2,30,30.3
1908,30.9,31.8,31.6,31.5,30.5,28.2,27.3,26.5,28.2,29,29.9,30.4
1909,31.2,32.4,32.1,31.7,30.2,29.1,27.1,27.7,28.2,28.8,30,30.5
1910,30.7,31.9,31.1,30.8,30,29.4,27.3,27.2,28.3,29,30,30.5
1911,30.9,32,31.9,31.4,30.4,29,27.2,27.3,28.2,29,30.1,30.4
1912,31.3,32.7,32.2,32.1,30.8,29.5,27.3,27.6,28.3,29,29.9,30.5
1913,31.1,31.9,31.1,31.1,30.2,28.6,27.4,27.5,28.5,29,30,30.5
1914,31.9,32.3,31.9,31.6,30.6,28.8,27.4,27.3,28.3,29.1,30.3,30.6
1915,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1916,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1917,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1918,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1919,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1920,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1921,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1922,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1923,32,32.2,31.4,30.8,30.5,28.9,27,26.7,28.2,29.3,30.5,31
1924,31.6,33.6,31.6,31.2,30.6,28.8,26.7,26.7,27.5,29,30,30.3
1925,29.8,31.6,31.4,31.2,30.2,28.5,27.2,26.8,28.2,28.7,30.5,30.7
1926,31.7,32.3,31.5,31.1,30.1,28.7,27.5,27.7,29,29.7,30.8,31.1
1927,31.5,32.7,31.2,31.2,30.8,28.9,27.2,26.8,28.9,29.3,30.4,31.2
1928,31.5,31.5,31.3,30.7,30,28.5,27.3,26.5,28.4,29.2,30.3,30.3
1929,30.7,32.5,31,30.5,30.5,28.1,26.4,26.4,27.7,28.9,30.3,29.5
1930,30.9,32.7,31.7,31.5,30.4,28.8,27.1,27.4,28.5,29.6,30.5,31.8
1931,31.6,33.1,31.5,32.3,30.7,28.9,27.3,27.3,28.1,29.7,30.9,31.6
1932,31.2,32.9,32.8,32.1,30.6,29,27.2,27.4,28.3,29.5,30.7,30.8
1933,31.6,32.7,32.2,31.6,30.2,28.4,27,27,28.2,28.9,31,31.1
1934,31.2,32.2,31.7,31.3,30.5,29,27.4,27.1,28.7,29.9,31.1,30.9
1935,32.1,32.9,32.7,31.7,30.9,28.6,27.4,27,28.3,28.8,30.9,31.3
1936,31.1,33.2,32.8,31,30.5,28.7,26.7,26.4,27.9,29.2,30.9,30.5
1937,31.1,32.5,32.1,31.5,30.3,29.1,27.1,27.3,28.4,29.8,30.7,31.2
1938,31.6,32.7,31.9,32.1,31.2,29.5,27.5,27,28.3,29.4,31.2,30.4
1939,31.8,33.1,32.4,31.1,30.4,28.8,27.4,27.3,28.2,29.5,30.5,31.5
1940,31.2,32.3,31.7,31.4,30.3,28.8,27.2,27.2,28.2,29,30,30.5
1941,33.2,33,33.1,32.5,31.4,29.8,27,27.5,28.8,30,30.4,31.4
1942,32.9,33.9,32.4,32.2,30.1,29.5,27.6,26.9,28.8,29.6,30.6,31.1
1943,31.8,32.4,31.9,31.5,29.6,27.9,27,26.8,28,29.5,30.9,31.4
1944,30.8,32.3,31.9,31.3,30.6,29.8,27.9,26.9,28.7,29.5,30.3,31.6
1945,32.6,32,31.6,31.3,30.2,29.6,27.6,26.6,28.6,29.2,30.3,30.1
1946,32.7,32.5,32.2,32.2,30.1,28.6,27.1,26.6,27.7,28.7,30.5,30.5
1947,31.7,34,32,31.7,30.9,29.8,27.8,27.8,28.5,29.5,30,31.2
1948,31.6,32.1,31,31.2,30.1,28.7,27,27.1,28.6,29,29.8,30.8
1949,31.9,32.5,32.4,32,31,29.7,27.6,27.2,29,29.4,30.4,29.8
1950,32,31.6,31.5,31.4,30.5,30.1,27,26.1,27.8,28.6,29.9,31.1
1951,30.5,31.2,31.3,31.3,29.9,28.8,26.9,27.5,27.7,28.6,29.6,31.6
1952,31.2,31.8,31.2,31.5,29.9,29,26.5,26.8,27.6,28.5,28.9,30.8
1953,30.8,31.6,31,30.9,29.4,28.4,26.4,26.7,27.9,28.6,29.1,30.5
1954,30.8,31.7,31,31.8,29.5,28.8,26.9,26.1,27.6,28.3,29.6,30.8
1955,30.6,31.5,30.8,31.2,29.4,28.4,26.2,26.4,27.5,28.1,29.1,30.3
1956,30.2,31.8,31.9,31.3,29.3,28.4,27,26.2,27.3,28,28.9,30.6
1957,30.3,31.5,30.4,31.7,30,28.8,26.4,27.4,27.7,28.3,29.9,31.2
1958,31.4,31.6,31.3,32.1,29.6,28.7,27,27.1,27.5,28.5,29.7,31.2
1959,30.9,31.7,31.5,32,29.7,28.5,26.7,27.4,27.5,28.6,29.1,31.2
1960,30.9,31.6,31.1,31.5,29.7,29,26.6,28.1,27.7,28.6,29.4,31.4
1961,30.3,31.5,31.8,31.8,29.8,28.4,26.1,27.9,27.6,28.7,29.2,30.9
1962,30.7,32.5,30.6,31.7,29.6,28.5,26.8,27.2,27.6,28.7,29.1,30.1
1963,31.5,31.8,31,31.8,30.2,30.2,27.5,27.5,28.8,29.1,30.2,31.1
1964,31.3,32.6,31.4,32,29.9,28.9,26.7,27,27.4,28.5,29.2,29.4
1965,29.5,31.2,31.3,31.3,29.9,28.8,27.6,27.4,28,29.4,30.6,31
1966,31.8,32.5,31.6,31.9,29.4,28.8,27.9,27.6,28,28.7,29.4,31
1967,31,32.2,31.5,32.3,29.8,28.5,26.4,26.5,27.7,28.2,29.6,30.8
1968,30.2,32.3,31.1,31.2,29.8,28.5,27.1,27.9,28.4,29.7,29.2,30
1969,31.3,33.7,31.6,32.1,30.4,29.5,26.9,28,28.3,28.9,30.2,31
1970,30.9,32.3,32.1,32,30.1,29.5,27,27.2,27.8,29.1,30.3,30.5
1971,31.2,32.3,31.7,31.3,30.9,28.7,27.2,26.7,27.7,28.6,29.7,29.3
1972,31.7,32.7,31.3,31.1,30.4,28.3,27.6,27.1,28.8,29.3,30.7,30.9
1973,31.4,33.1,31.6,31.9,30.6,28.9,28.4,27.2,28.4,29.2,30.6,30.4
1974,30.6,31.3,31.8,30.9,30.1,28.8,26.7,26.7,27.6,28.7,29.8,29.7
1975,30.8,31.9,31.3,30.8,30.2,28.6,27.3,25.8,28.2,28.7,29.1,29.6
1976,30.8,30.1,30.7,30.1,29.7,27.8,26.7,26.1,28.5,28.8,29,30.1
1977,30.8,32,31.8,31.7,31,28.2,27.1,26.4,28,29.5,30.7,30.1
1978,32.1,32.8,31.6,30.1,30.4,28.2,27,26.8,28.3,28.7,30.3,31.6
1979,32.5,32.9,31.8,31.3,30.9,28.5,27.2,26.4,28.9,29.6,30.5,30.4
1980,32.4,32.5,32,31.4,30.6,28.7,27.5,26.6,28.9,29.8,30.5,29.5
1981,31.4,33.3,31.9,31.9,30,29.3,26.2,26.9,28.3,28.9,29.6,31.5
1982,30.8,31.7,31.3,31.6,30.9,28.3,26.7,26.3,27.5,28.8,29.6,31.2
1983,29.4,33.8,32.7,31.6,30.7,29,26.7,27,28.4,28.9,30,29.9
1984,31.7,32.1,31.2,31.7,29.6,28.6,27.8,28.1,28.2,28.8,29.8,30.2
1985,31,32.5,31.5,30.4,29.9,28.7,27.4,27.3,28.6,29.2,30.3,29.8
1986,31,32.5,31,31.5,30.7,28.9,26.4,27.2,28.4,28.5,30,30.2
1987,32.5,33.3,31.4,31.7,31.2,29.9,28.1,27.7,28.9,28.9,31.2,31.6
1988,31,33.1,32.1,31.7,30.8,28.6,27.2,26.8,27.4,29,30.9,29.6
1989,31.1,32.6,31.5,30.5,30.4,29.4,27.3,28,28.1,28.4,30.6,31
1990,31.3,32.2,32.8,31.6,30.2,29.8,26.8,27.1,28.4,29.3,30.3,30.2
1991,31.6,32.4,32,31.6,30,29.6,27.4,27.1,28.8,28.6,30.3,30.5
1992,31,33.2,32.4,32,30.6,28.5,27,27.4,27.7,28.8,30.4,30.9
1993,31.4,32.6,32,31.6,30.9,28.7,27.2,27.4,28.7,29.3,30.7,30.8
1994,30.9,32.1,32,31.8,30.3,29,27,27.2,28.1,29.3,31.4,30.5
1995,32.4,32.2,30.7,32.1,30.8,29.5,28.5,27.6,28.4,29.7,31.3,31.5
1996,31.9,34,32.9,31.3,29.3,28.9,28.3,27.3,28.3,29.4,30,30.6
1997,31.4,32.5,31.6,30.4,30.1,29,27,28.2,29.4,30.1,31.4,30.9
1998,31.9,34.2,33.7,32.8,31,30.3,27.5,27.3,28.8,29.5,31.5,31.4
1999,31.6,33.1,32.7,31.8,30.3,29.2,27.3,27.5,27.9,28.3,30.5,31.4
2000,31.5,31.6,32.2,31.6,31.1,29,27.1,27.3,28.1,29.6,30.7,31.1
2001,31,32.3,31.7,31.1,30.6,29.1,27.7,26.7,27.3,28.1,31.4,31.6
2002,30.9,32.5,31.6,31.4,31.2,29.2,27.7,27.9,28.4,28.2,30.8,31.2
2003,31.8,33.8,32,32.1,30.8,28.8,27.4,27.4,28.9,29.6,31.1,31
2004,31.9,32.4,32.4,31.8,30.4,28.8,27.1,27.4,28.5,29.4,30.7,31.8
2005,31.6,34.4,33.2,31.8,30.8,28.3,27.1,27.6,28.9,30.1,30.4,31.5
2006,32.5,33,31.5,31.6,30.8,29.5,27.9,27.6,28.4,29.5,30.3,29.8
2007,31.2,32.9,31.8,31,30.7,29,27.6,27.9,28.7,29.2,31.1,31.1
2008,30.7,31.7,31.7,31.2,30.1,29.2,27.3,27.5,28.6,29.6,30.8,31.3
2009,31.9,33,32.3,32.5,31.4,29.4,27.5,27.4,28.7,29.1,30,31.4
