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