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