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