1901,27.9,28.7,31.9,31.5,31.1,30.6,29.7,29.9,29.3,29.2,28.3,27.8
1902,27.9,29.2,32.5,31.7,31.4,31,29.9,30.2,29.3,29.3,28.6,28.7
1903,28,28.8,32.8,32.2,31.2,30.4,29.7,29.8,28.8,28.9,27.4,26.3
1904,26.7,28.7,31.6,31.1,30.9,30.5,29.6,30.2,29.5,29.4,27.9,27.1
1905,29,29.2,31.5,31.6,31.2,30.7,29.9,30.4,29.5,29.4,28.5,29.7
1906,28.7,30.1,31.9,32.1,31.7,31.1,30.1,30.6,29.8,29.1,27.7,28.2
1907,27.9,29.1,31.5,31.2,30.8,30.4,29.8,30,29.4,29.5,28.6,26.9
1908,28,28.9,31.4,31.2,30.9,30.5,29.8,30.1,29.5,29.3,27.8,27.9
1909,27.9,29.3,31.8,31.5,30.6,30.8,29.7,30.4,29.7,29.6,27.9,27.5
1910,28.4,28.8,31.4,31.3,31.3,30.7,29.9,30.3,29,29,28.1,26.8
1911,27.5,28.6,31.7,31.7,31.2,30.7,29.9,30.6,29.7,29.4,29.1,29
1912,28.2,29.4,33.1,32,32.5,31.5,29.6,29.7,29.2,29,27.2,27.7
1913,27.4,29.2,32.3,32,30.4,30.5,29.2,29.8,29.3,29,27.5,27.8
1914,26.9,29.1,32.2,32.2,32.3,30.6,29.6,30,29.1,28.8,28.4,28.5
1915,27.9,30,32.4,32.1,31.5,31.2,29.9,30.4,29.1,29,27.5,26.4
1916,26.7,28.7,32.3,31.7,31,30.2,29.8,30.1,28.8,28.6,26.9,26.9
1917,27.6,28.7,31.1,32,31.2,30.2,29.3,29.6,28.8,28.3,27.3,27
1918,26,27.3,31,30.7,30.7,30.5,30.2,30.1,29.5,29.2,28.6,28.6
1919,28.2,29.4,32.9,32.1,31.6,30.4,29.6,29.8,29.1,29,27.8,28.1
1920,26.5,29.1,32.2,31.7,31.6,30.7,29.6,30.5,29.3,28.7,28.4,28.2
1921,27.2,28.5,32,31.2,30.8,30.5,29.2,29.8,28.7,28.8,27.1,27.5
1922,28.1,29.3,31.2,31.6,31.2,30.6,29,29.9,29.6,28.8,27.5,27.3
1923,27.1,28.1,31.3,30.8,30.2,29.9,28.9,29.3,28.8,28.7,28.2,28.1
1924,27.9,29.1,32,31.3,31.3,30.5,28.9,30,29.7,29,28.4,26.4
1925,28,28.3,31.6,30.7,31.1,30.3,29.6,30,29.2,28.5,28,26.6
1926,27.7,29.3,31.8,32.4,32.1,30.9,29.8,29.7,29.2,28.8,27.9,28
1927,27.6,29.1,32.5,31,30.6,30.3,29.4,29.8,29.2,28.7,28.2,28
1928,29.5,28.7,33,31.4,31.4,30.6,30,30.3,29.2,28.2,27.8,29.2
1929,29.2,29.3,31.5,31.2,32.5,31.2,29.8,30,29.3,29.3,27.7,29.1
1930,26.2,29.2,31,33,31.5,31.2,29.8,30.4,28.9,29.2,29,28.8
1931,29.1,30.5,33.1,33.2,32,31.5,30.2,30.3,29.3,27.9,28,28.1
1932,27.6,28.4,30.9,31.9,31.9,30.9,29.5,30.2,28.6,28.9,28.2,27.6
1933,26,30.2,31.6,32.2,31.7,31.4,29.8,30.3,29.4,28.8,27.3,28.2
1934,26.4,28.1,30.9,30.3,31.2,30.8,29.2,30,29.3,27.8,28.4,28
1935,28.7,30.1,33,32.2,30.8,31.1,29.9,30.1,28.8,29.4,29,27.6
1936,27.3,29.6,30.2,32.3,31.2,30.9,29.8,29.7,29.3,28.3,28.6,29.1
1937,28.9,29.7,33.6,32.6,31.2,30.8,29.7,30.3,29,29,27.9,29
1938,28.9,29.4,31.3,31.2,31.1,31,29.8,30,29.2,28.7,27.8,28.4
1939,28.1,29.8,31.9,31.7,31.1,30.7,30.2,30.3,29.4,29.9,28.6,25.6
1940,27.5,29.4,32.2,32,31.5,31,30.1,29.7,29.8,30.2,29.1,29.2
1941,30.9,30.8,33,32.8,32.1,30.8,30.1,30.4,30,29.4,29,28.7
1942,27.7,29.7,32.4,31.8,31,30.8,29.8,30.1,29.2,28.9,28.6,28
1943,27.5,29.2,32.2,30.9,31.1,30.6,29.8,30.2,29.1,29.1,27.9,27.6
1944,28.4,29.6,32.2,32,31.2,30.7,29.7,30.1,29.5,29.3,28.2,26.9
1945,28,29.3,31.6,31.3,31,30.7,29.9,30.4,29.4,28.7,28.9,28.4
1946,27.6,28.4,32.1,31.1,30.6,30.6,29.4,29.8,29.2,29.1,28.4,28.8
1947,30.3,29.4,31.8,30.5,31.6,30.7,29.6,30.3,29.6,29,27.9,28.2
1948,27.9,30,32.6,31.8,31.9,30.9,30.1,30.3,29.4,29.4,27.4,28.4
1949,27.4,29.3,32.3,31.4,31.7,31.3,30.2,30.2,29.1,29,27.8,28.4
1950,28.8,29,33.1,31.6,31.2,30.2,29.6,30.4,28.9,28.6,28,26.8
1951,28.1,29.8,32,31.5,30.7,30.4,30,30,29.9,29.1,28.5,27.6
1952,28.5,30.4,32.4,31.6,31.4,30.9,29.8,30.1,29.4,29,28.4,26.8
1953,28.6,29.8,33.1,31.7,31.6,30.8,30.4,30.6,29.3,30.6,28,27.2
1954,29.8,30.1,31.6,32.2,31.3,30.9,30.7,30.6,29.1,29.4,28.3,27.8
1955,27.1,30.5,32.9,31.5,31.3,30.4,30,30.7,29.9,29.4,27,27.8
1956,26.9,30,32.9,31.4,30.9,30.7,30,30,29.4,29.4,27.4,26.7
1957,28.4,29,31.5,31.5,32.6,31.5,30.1,30.3,29.3,29.1,29.3,29.3
1958,29,29.4,33.7,32.9,32.4,31,29.8,30.4,29.2,28.8,27.5,28.1
1959,28.7,30.6,31.3,32.6,31.9,32,30.1,30.2,29.4,29.2,29,29.1
1960,28.7,29.2,32.9,32.1,31.6,30.5,30.1,30.3,29.3,29.2,28.3,27.5
1961,27.4,29.5,32.9,31.8,31,30.5,29.8,30.4,29.2,29.2,28.7,28.4
1962,26.5,28.8,31.9,31.3,31.4,30.7,30.1,30.3,29.3,29.9,28.5,27.7
1963,25.7,28.7,31.8,32,32.1,31.6,30.1,30.3,29.9,29.8,29.5,28.2
1964,28.9,29.7,32.6,32.4,30.2,30.7,30.6,30.2,29.3,29.5,27.1,26.7
1965,27.2,29.6,31.6,31.8,31,30.6,29.9,30.6,28.3,30.2,29.2,29.2
1966,29.1,29.9,32.4,31.1,29.6,30.7,29.4,29.5,29.1,29.9,28.4,28.3
1967,26.2,28.4,31.6,30.8,30.9,30.5,29.1,29.7,28.4,28.2,28,26.6
1968,27.6,28.2,31.8,31.1,31,30.4,30.1,29.7,29,28.7,28.8,29.4
1969,29.4,29,32,32,31.7,30.8,29.1,30.2,29.5,30.1,27.4,26.9
1970,27.6,28.8,32.4,30.8,30.6,30.8,29.6,29.5,28.6,28,27.6,28.1
1971,26.4,28.1,31,31.6,32,29.8,29.5,29.9,30,28,26.6,27.8
1972,26.2,28,30.8,29.3,31.4,30.2,28.9,29.5,29.2,29.9,28.5,28.1
1973,28.1,30.3,33,32.5,31.7,31.4,29.9,30.7,29.6,29,27.1,27.3
1974,27,28,30.8,30.7,31.3,30.5,30.7,30,30,28.8,28.1,27.5
1975,27.4,29.2,31.6,31.8,31.2,30,29.9,29.9,29.4,28.4,27.9,25.8
1976,26.6,28.9,31,31.1,30.9,30.3,29.4,30.2,29,29.1,26.9,27.6
1977,27.7,27.7,32.1,31.1,31.6,31.8,29.6,30.1,28.7,29.4,28.4,28.9
1978,29,29.7,32.3,30.6,30.5,31,29.3,29.5,28,28.3,28.1,28.9
1979,29.6,30.5,33.1,30.8,29.8,30.1,29.3,29.6,29.1,28.2,28.2,28.5
1980,28.5,28.9,32.3,31.2,30.6,30.2,29.3,29.5,28.2,28.7,27.9,27.5
1981,26.7,29,31.5,30.2,30.3,29.4,29,30,30,28.6,27.5,26.3
1982,27.7,29.1,32,30.1,30.8,29.8,29.4,29.6,28.5,29.5,29.1,27.2
1983,27.5,29.4,31.9,33.2,32.7,30.8,31,30.8,30.5,29.2,27.9,27.1
1984,26.6,28.8,31.5,32.1,30.7,29.9,29.9,29.8,29,28.9,28.5,28.1
1985,28.4,30,31.9,30.3,30.5,30.1,29.5,30.1,28.5,29.1,28.7,27.9
1986,27.5,29.4,31.4,31.4,30.5,30.6,29.9,30.5,29.7,29.7,28.6,28.6
1987,28.9,30.3,33,32.3,31.7,31.5,30.5,30.8,29.8,30.9,29.3,27.3
1988,29.4,30,32.1,31.3,31.3,30.9,30.7,30,30.2,28,27.7,28.1
1989,29.2,29.7,31.3,32.2,31,30.8,30.3,30.7,30.1,29.4,29.1,28.9
1990,29.1,30,31.5,32.4,30.9,30.6,30.3,30.9,29.6,29.4,28.7,29.3
1991,29.9,30.5,33.3,33.3,32.2,31.6,30.2,30.3,29.7,29.3,28.9,29
1992,28,29.4,32.9,33.5,32.5,31.4,30.5,30.5,30.2,28.8,28.9,29.2
1993,28.3,30,32.6,31.8,31.9,32,30,30.6,30.1,29.9,29.2,28.1
1994,29.4,30.8,31.7,33,32.4,31.2,30.2,30.8,29.7,30,29.9,29.9
1995,29.2,29.5,32.4,33.3,32.2,32.1,30.7,31.3,29.9,30.2,28.3,28.4
1996,28.7,28.5,32.7,30.9,30.6,31.2,30.6,31.2,29.6,29.8,28.7,27.6
1997,28.3,28.6,32.4,31.2,31.5,31.8,30.4,30.9,30.6,31.4,30.2,30.6
1998,30.7,30.7,34.1,32.6,32.6,32.1,31,31.3,30.4,30.4,29.1,28.4
1999,28.2,29.8,32.2,31.4,30.5,30.6,30,31.2,30.5,30.3,28.5,26.8
2000,28.9,28.6,31.9,31.4,31.3,30.5,30.5,31.1,30.5,29.5,28.5,29
2001,29.6,30.2,31.5,33.1,31.8,30.9,30.5,31.1,30.7,30.7,27.9,28.8
2002,28.7,30.6,32.5,31.9,31.5,31.5,30.7,30.5,29.6,30.3,29.8,30
2003,28.9,30.5,32.3,32.9,32,31.6,30.6,31.2,30.3,30.6,30,28.6
2004,29.3,28.3,32.5,32,31.9,30.6,30,30.6,30.3,30.1,29.5,29
2005,28.3,30.5,31.5,32.2,30.7,31.1,30.4,30.7,31,27.8,29.4,27.7
2006,28.8,30.2,31.8,31.8,31.4,31,30.4,30.4,30.2,30,29.9,29.3
2007,28.1,29.7,32.6,32.2,30.2,29.6,30.4,29.8,29.9,29.7,27.6,29.1
2008,28.1,28.1,31.8,32.2,30.1,30.4,30.8,30.7,29.8,30.8,28.3,28
2009,26.8,30.3,31.8,31.8,30.9,30.8,30.6,31.5,30.1,30.2,29.1,30
