1901,31.1,32.5,32.2,31.2,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1902,31.2,32.2,32.3,31.1,29.8,28.3,27.1,27.3,27.9,28.9,30.1,30.4
1903,31.4,32.6,32.5,31.2,29.7,28,27.1,27.3,27.9,28.9,30.1,30.4
1904,31.2,32.3,32.1,31.1,29.6,28.2,27.1,26.9,27.9,28.9,30.1,30.4
1905,31.4,32.7,32.7,31.6,30,28.1,27.1,27.4,27.9,28.9,30.1,30.4
1906,31.1,32.5,32.7,31.6,29.7,28.2,27.1,27.2,27.9,28.9,30.1,30.4
1907,31,32.6,32.5,31.3,29.8,28.2,27.1,27.5,27.9,28.9,30.1,30.4
1908,31,32.3,32.4,31.3,29.8,27.8,27.1,26.7,27.9,28.9,30.1,30.4
1909,31.2,32.6,32.6,31.6,29.8,28.7,27.1,27.8,27.9,28.9,30.1,30.4
1910,30.9,32.2,32.1,30.8,29.5,28.6,27.1,27.1,27.9,28.9,30.1,30.4
1911,31,32.4,32.6,31.3,29.9,28.5,27.1,27.3,27.9,28.9,30.1,30.4
1912,31.3,32.9,32.9,31.7,30.1,28.8,27.1,27.5,27.9,28.9,30.1,30.4
1913,31.1,32.2,32.3,31.1,29.6,28,27.1,27.2,27.9,28.9,30.1,30.4
1914,31.5,32.6,32.8,31.5,29.9,28.1,27.1,27.2,27.9,28.9,30.1,30.4
1915,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1916,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1917,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1918,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1919,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1920,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1921,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1922,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1923,32,32.5,32.8,31.4,30,28.4,26.9,26.7,27.9,29.1,30.6,30.9
1924,31.6,33.8,33.2,31.6,30.1,28.3,26.6,26.7,27.2,28.9,30.1,30.2
1925,29.8,31.9,32.7,31.3,29.7,28.1,27.1,26.8,27.9,28.6,30.6,30.6
1926,31.7,32.6,32.2,30.9,29.6,28.2,27.4,27.7,28.6,29.6,30.9,31
1927,31.4,33,32.4,31.2,30.3,28.4,27.1,26.8,28.6,29.2,30.5,31.1
1928,31.5,31.8,32.9,31.1,29.5,28,27.2,26.6,28.1,29.1,30.3,30.2
1929,30.7,32.8,32.4,31.1,30,27.6,26.3,26.4,27.4,28.8,30.4,29.5
1930,30.9,33,32.5,31.4,29.9,28.3,27,27.4,28.1,29.5,30.4,31.6
1931,31.6,33.4,33,32.2,30.2,28.4,27.2,27.3,27.8,29.6,31,31.5
1932,31.2,33.1,33.6,31.9,30.1,28.5,27.1,27.4,28,29.4,30.8,30.7
1933,31.6,32.8,32.6,31.6,29.7,27.9,26.9,27,27.9,28.8,31,30.9
1934,31.2,32.5,32.9,31.8,30,28.5,27.3,27.1,28.4,29.7,31.2,30.8
1935,32,33.2,33.5,31.6,30.3,28.1,27.3,27,28,28.7,30.9,31.2
1936,31.1,33.4,33.6,31.5,30,28.2,26.6,26.5,27.6,29.1,30.9,30.4
1937,31.1,32.8,32.9,31.4,29.8,28.6,27,27.3,28.1,29.7,30.7,31
1938,31.6,33,32.7,32,30.6,29,27.3,27,28,29.3,31.3,30.4
1939,31.8,33.3,33.2,31.3,29.9,28.3,27.3,27.3,27.9,29.4,30.6,31.4
1940,31.2,32.6,32.5,31.3,29.8,28.3,27.1,27.2,27.9,28.9,30.1,30.4
1941,33.4,33.5,34,32.6,30.8,29.2,26.6,27.5,28.7,30,30.5,31.1
1942,33,34.4,33.3,32.2,29.7,29.1,28,26.9,28.6,29.8,30.6,31.3
1943,31.9,32.9,32.6,31.4,29.4,27.8,27.4,26.8,27.9,29.4,31,31.3
1944,31.1,32.5,32.4,31.2,29.9,29.3,28.2,27,28.4,29.5,30.4,31.7
1945,32.8,32.3,32.6,31.1,29.6,29.1,27.7,26.7,28.3,29.2,30.4,30
1946,32.8,32.9,33.4,32.2,29.8,28.2,27.3,26.6,27.7,28.9,30.6,30.8
1947,31.9,34.3,33.2,31.6,30.3,29.2,27.5,27.6,28.2,29.4,30.1,31
1948,31.8,32.3,31.9,30.9,29.7,28.1,26.9,27,28.4,29.1,29.9,30
1949,32.1,32.7,33.1,32.1,30.3,28.7,27.6,27.1,28.6,29.4,30.3,29.1
1950,32.1,32.1,32,31.3,29.8,29.3,26.9,25.9,27.6,28.6,30,30.5
1951,31.7,32.2,32.5,32.2,29.9,28.7,27.3,27.2,27.9,29.1,29.9,30.8
1952,32.4,32.8,33,32.2,30.4,28.3,27.1,25.7,28.1,29.3,29.5,30.7
1953,32.2,32.9,32.6,31.2,29.5,28,26.5,26.7,28.3,29.2,29.4,30.3
1954,31.8,33.1,32.6,31.7,29.3,28.3,26.9,26.1,27.9,28.8,30.1,30.8
1955,31.6,32.6,31.8,31,29.4,27.9,26.3,26.7,27.6,28.6,29.8,30.3
1956,31.1,32.9,32.3,31.3,29.7,28.1,27.3,26.4,27.8,28.8,30.3,30.4
1957,31.3,32.4,32.3,31.7,30,28.3,27,27.7,28.2,28.9,30.8,31.5
1958,32.6,32.7,33.1,32.2,30.2,28.2,27.2,27.1,27.8,29.3,30.7,31.4
1959,32,32.8,33.5,32,30.1,28.2,27.1,27.3,27.8,29.3,30,31.2
1960,31.9,32.5,32.6,31.7,29.8,28.4,26.7,28.1,27.8,28.9,29.9,32.2
1961,31.4,31.5,33.1,31,30.3,28.4,26.4,28,27.7,29.3,30,30.2
1962,31.1,32.5,31.3,31.4,29.9,27.9,27.3,27.1,27.8,29,29.2,30.7
1963,32.5,33.1,32,31.5,30,29.3,27.3,27.6,28.7,28.7,30.5,31.2
1964,31.8,32.9,32.7,30.9,29.6,28.2,26.7,27.2,27.8,28.3,28.9,30.3
1965,31.6,32.1,32.3,31,29.5,28.4,27.4,27.2,27.7,29.2,30.3,30.7
1966,32.3,32.3,32.9,31.1,29.3,28.1,28.1,27.7,28,29.1,29.8,30.9
1967,30.7,32.6,31.9,32.1,29.6,27.9,26.7,26.7,27.7,28.6,29.1,31
1968,30.5,32.9,32,30.6,29.5,27.8,27.3,28.2,28.1,29.4,29.9,30
1969,31.4,34,32.4,32.1,30.2,28.5,27,27.9,28.1,28.1,30,32
1970,31.8,33.3,33.5,32,29.9,29,27.4,27.2,27.6,29.5,31,30
1971,31.2,32.9,32,31,30.3,28.2,26.9,26.4,27.4,28.7,29.8,28.8
1972,31.7,33.2,32.3,30.6,29.5,27.7,27.6,27.6,28.2,28.9,30.3,30.6
1973,32.4,33.7,32.4,31.4,29.6,28.6,28.6,27,27.5,28.1,30,31.3
1974,30.5,31.5,32.5,30.8,29.3,28.4,26,26.6,26.9,28.4,29.8,29.2
1975,29.9,32.1,32.1,30.9,29.7,27.9,26.4,25.5,27.4,28.3,29.8,29.3
1976,31,29.4,31.1,30.4,28.8,27.4,26.5,26.2,27.9,28.8,28.7,30.3
1977,30.7,31.4,33.1,32,30.1,28.2,26.9,26.3,28,30.2,30.7,30
1978,31.5,33.5,32,30.4,29.6,27.7,26.1,26.8,27.9,28.3,29.9,31.1
1979,32.2,33.3,32.1,31.4,29.8,28,27.2,26.6,28.7,30,31,30.8
1980,32.6,32.9,32.4,31.5,29.8,28.4,27.2,26.7,28.2,28.9,30.1,28.9
1981,31.1,33.5,33.3,32.2,29.6,28.4,26.2,27.4,27.9,28.8,29.3,31.2
1982,31.3,31.3,32.4,31.4,30.1,27.9,27.1,26.1,27.6,28.1,29.2,31.2
1983,27.8,34.1,33.9,32.5,31.2,28.5,26.9,27.2,28.3,29.2,30.8,30.2
1984,31.7,32.5,32,31,29.5,28.1,27.8,28.2,27.7,28.7,29.7,29.4
1985,31.4,31.9,32.7,29.8,28.9,28.4,26.7,27.3,28,29.6,30.3,29.5
1986,31.3,33.4,32.1,31.7,29.9,28.6,26.4,27.4,27.8,29,30.6,29.8
1987,32.4,33.7,31.6,31.4,30.9,29.4,28,27.5,28.6,29.3,31.8,31.3
1988,31.2,33.3,32.8,32.1,30,27.8,27.1,26.5,26.9,29.1,31,29.1
1989,29.2,31.5,33,31.2,29.1,28.8,27.3,27.6,27.8,28.8,31.1,30.3
1990,31.4,31.8,33,31.9,29.8,29.4,26.9,27.7,28.4,29.3,30.7,30.8
1991,31.3,33.3,33,31.8,29.1,29.1,27.1,27.1,28.8,29.1,30.5,30.6
1992,31.1,32.7,33.4,31.9,29.6,28,27.1,27.4,27.5,28.7,30.7,30.4
1993,30.6,32.7,33.1,31.5,30.4,28.3,27.6,27.4,27.9,29.2,31.1,30.5
1994,31.1,32.5,33.1,32,30.1,28.2,27,27.3,27.8,29,30.9,30.2
1995,31.6,32.2,31.1,32.1,30.1,28.7,28,27.7,28.2,29.4,30.9,31.5
1996,31.9,33.6,33.2,31,29,28.1,28,27.3,27.6,29.3,29.9,30.5
1997,31.7,32.3,32.7,30.8,29.6,28.7,27.7,28.5,29.3,30.1,31.8,30.5
1998,32,34.5,34.6,32.8,30.7,29.6,27.9,27.3,28.4,29.4,31.6,31.3
1999,31.5,33.7,33.8,31.5,29.6,28.4,27.2,27.2,27.6,28.2,30.6,31.1
2000,31.5,31.3,32.8,31.6,30.5,28.3,27.1,27.4,27.8,29.1,30.9,30.5
2001,30.7,32.7,32.3,31.1,30,28.2,27.5,26.7,27.2,28.4,31.7,31.4
2002,30.6,32.8,32.3,31.2,30.9,28.8,27.7,27.9,27.6,28.3,30.9,31
2003,31.8,34.2,32.6,32.2,30,27.6,27.4,27.4,28.2,29.5,31.5,30.8
2004,31.6,32.7,33.6,31.5,29.9,28.5,27.2,27.5,28,29.5,31,31.7
2005,31.4,35.3,33.9,31.7,30.1,28,27.2,27.7,28.7,29.4,30.5,31.5
2006,32.3,32.9,32.4,31.4,30.4,29.3,28,27.4,28.1,29.2,30.2,29.3
2007,31.4,33.5,32.7,31,30.2,28.4,27.5,27.8,28.3,29.3,31.6,31.1
2008,30.7,32.3,32.9,30.9,29.5,28.6,26.9,27.5,28.2,29.5,30.9,31
2009,32.2,33.5,33.3,32.5,31,29.3,27.6,27.5,28.5,29,30.1,30.9
