1901,27.6,27.8,28.5,29.2,29.4,28.1,27.8,28.6,29,29.2,28.6,28
1902,27.6,27.8,28.2,28.9,29,27.9,27.9,28.5,28.8,29.1,28.5,28
1903,27.8,27.6,28.3,29,29.4,28.4,27.9,28.5,28.8,29.2,28.5,27.9
1904,27.6,27.4,28.2,28.7,29.1,28,27.7,28.2,28.7,29,28.6,28
1905,27.6,27.4,28.2,29.1,29,28.1,27.8,28.5,28.8,29.1,28.8,28
1906,27.5,27.4,28.3,28.9,29.2,27.9,27.8,28.6,28.8,29.3,28.7,27.6
1907,27.2,27.1,28,28.7,28.9,28,28,28.4,28.8,29.1,28.6,28
1908,27.6,27.4,28.2,28.9,29.2,28.2,28,28.7,28.9,29.2,28.5,27.9
1909,27.4,27.3,28.5,28.8,29.2,27.8,27.9,28.2,28.9,29.2,28.3,27.6
1910,27.4,27.3,28.2,28.9,29,28.1,27.9,28.5,29.2,29.2,28.7,28.1
1911,27.4,27.4,28.2,28.9,29,28.2,27.9,28.7,29,29.3,28.8,28
1912,27.7,27.7,28.5,29,29.3,28.1,28.1,28.6,29,29.3,28.7,28.1
1913,27.5,27.3,28.2,28.7,29.4,27.8,27.7,28.3,28.8,29.5,28.5,27.8
1914,27.5,27.4,28.4,28.9,29.1,27.9,27.8,28.4,29,29.3,28.7,28.2
1915,27.6,27.3,28.5,28.8,29.7,28.6,28.5,29.2,29.4,30,29,28.4
1916,27.6,27.5,28.3,29.3,29.6,28.4,28.2,28.5,29.1,29.2,28.5,27.6
1917,27,27,27.5,28.6,29.4,28.7,28.2,28.2,28.9,29.6,28.9,27.9
1918,27.3,27.3,27.9,28.6,29.2,28.4,27.8,28.9,29.6,29.2,28.5,27.5
1919,27.4,27.5,28.2,28.8,29.3,28.1,27.7,28.5,28.7,29,28.4,27.9
1920,27.4,27.5,28.3,29,29.3,28,27.7,28.3,28.8,29,28.5,27.8
1921,27.8,27.7,28.4,28.2,29.5,27.8,27,28.4,28.9,28.8,28.4,27.8
1922,27.3,27.1,27.7,28.8,28.4,27.5,27.6,28.1,28.8,29.3,28.2,26.9
1923,26.5,26.2,26.7,28.2,29.2,27.4,27.6,28.5,29,29.1,28.6,27.2
1924,26.9,27,28.4,29.3,29.7,27.8,27.4,28,28.2,28.5,28.1,27.2
1925,26.2,26.6,27.6,28.6,29.1,28,27.9,28.1,28.6,29.4,28.3,27.9
1926,27.3,27.5,28.4,29.1,29.8,29.5,27.7,28.4,28.4,28.9,28.4,27.2
1927,26.8,26.2,27.8,27.8,28.3,27.4,27.2,27.9,28.6,28.8,28.6,27.8
1928,27,26.8,27.6,28.1,28.7,27.6,27.4,28.3,28.7,29,28.6,27.2
1929,26.5,26.7,27.4,28.2,27.9,27.5,27.6,28.6,28.6,29.2,28,27.1
1930,27.3,27.3,28.4,29,29.2,28,27.9,28.5,28.9,29.2,28.8,28.1
1931,27.8,27.7,29,29.4,29.8,28.4,28.1,28.7,29,29.4,28.7,28
1932,27.5,27.4,28.4,29.4,29.2,28.2,27.9,28.7,29.2,29.3,28.8,28.1
1933,27.2,26.6,27.7,28.9,29.2,27.9,27.4,28,28.5,28.8,28,27.2
1934,26.3,26.1,27.1,28.3,29,28.6,27.6,28.7,28.5,28.8,28.7,27.7
1935,27.3,27,27,28.6,28.7,27.9,27.6,28,28.8,28.8,28.6,27.5
1936,27,26.9,28.1,28.5,29.2,28.1,27.8,28.3,28.7,28.8,28.5,27.6
1937,27.1,27,28.5,29.4,29.4,29.1,28.8,29.8,30.2,30.3,29.5,28.9
1938,27.6,27.3,27.6,28.3,28.6,27.6,27.8,29.3,30,29.7,30.2,29.9
1939,27.2,27.1,27.6,28.3,28.2,28.1,28.5,29.3,30.3,30,29.2,28.8
1940,28,27.8,28.4,29.2,29.8,29.5,28.8,29.3,30.4,30.2,29.6,28.4
1941,28.1,28.2,28.6,29.5,29.7,28.5,28.4,29.4,30,29.7,29.4,27.1
1942,28.4,28.5,28.5,29.7,29.3,28.6,28.3,29.2,29.5,29.6,29.6,28.4
1943,28,28,27.9,29,28.3,28.3,27.8,28.9,29.7,29.8,29.4,28.9
1944,28.5,28.1,28.5,29.5,29.8,28.5,29.2,29.3,29.7,29.7,29.2,28.6
1945,26.7,26.7,28.1,28.8,28.9,27.4,27.6,28.1,28.5,28.6,28,27.4
1946,27,27.7,28.6,28.9,28.3,28,27.6,27.9,28.7,28.8,28.4,28.1
1947,27.7,28.4,28.7,29.1,29.9,28.3,27.7,28.8,28.8,28.6,28.1,28
1948,28,27.7,28.4,28.8,29.7,28.3,27.9,28.5,29.3,29.8,29.1,28.4
1949,27.3,27.1,28.4,29.1,29.6,28.4,28.1,29.2,29.4,29.6,29.1,28.2
1950,27,27.3,27.8,28.8,28.7,27.8,27.8,28.5,29.2,29.4,29,28
1951,27.5,27.4,28.4,29.2,29.4,28.3,28.5,29.4,29.6,29.9,29.1,28.3
1952,28,27.9,29.1,29.8,30.3,28.6,28.6,29.2,30.1,30.1,29,28.8
1953,27.8,27.7,28.8,30.1,29,28.8,28.6,29,29.5,29.8,29.5,28.7
1954,27.9,27.8,29,28.8,29.5,28.4,28.1,28.9,28.9,28.4,28.3,27.3
1955,27.2,27.2,28.2,28.5,28.6,27.8,27.4,28.2,28.7,29,28.6,27.6
1956,27.7,27,27.3,28.9,28.5,27.4,28,28.4,29.7,29.8,29.5,28.5
1957,28.1,27.6,28.8,28.9,29.7,28.6,28.6,29.1,31,30,28.5,27.5
1958,27.5,27.8,29.6,29.5,30.3,28.5,28.4,28.9,30.1,29.7,29,28.3
1959,28.4,28,28.1,29,29.5,28.1,28.6,29.1,29.8,29,29.1,29.3
1960,28.6,28.4,29,29.5,30.1,28.5,28.4,28.6,29.7,30,29.4,28
1961,28.4,27.6,28.5,29.8,30.2,28.7,27.9,28.3,29.6,29.4,27.6,27.2
1962,27.2,26.6,28.1,29.8,30.2,28.3,28.2,28.5,29.6,29.8,29.4,28.5
1963,28.2,27.7,28.3,29.2,28.3,28.1,28.4,29.3,29.5,30.4,29.1,28.3
1964,27.3,27.8,29,28.8,29.3,28,27.3,27.9,28,29,28.3,27.9
1965,27.6,26.8,28.4,29.2,28.9,27.4,28.3,28.4,29.2,29.5,28.6,28.3
1966,28.2,27.9,28.7,29.6,29.7,27.9,27.6,28.4,28.6,29.3,28.1,27.7
1967,27.5,27.3,28,28.3,28.9,28.3,27.5,28.3,29.3,29.2,29,27.8
1968,27.7,27.8,28.8,29.2,28.7,28,28.4,29,29.6,30.1,29.2,28.8
1969,28,27.8,29.5,30,30.6,29.2,28.9,28.7,30.1,29.4,29,28.9
1970,28.1,28.5,29,29.7,29.9,28.4,28,28.6,28.8,29.8,29.4,28.1
1971,26.3,27.9,28.4,29.5,29,28.5,28.1,28.6,29,28.5,28.5,28.2
1972,26.4,27.7,28.4,29.1,29,28.5,28.2,28.3,29.7,30,28.9,28.3
1973,28.7,28.3,29,29.8,30.2,29.5,29.7,30.3,30.1,30.5,29.6,27.3
1974,29.6,29.4,30.3,28.6,29.1,29.3,28.7,28.4,28.9,29.9,28.3,27.9
1975,27.3,29.8,29.3,30.9,30.2,30.3,30.3,30.3,29.7,28,28.1,26.5
1976,26.9,26.7,26.7,27.9,28.7,27.5,26.8,29.1,29.5,29.7,29.2,28
1977,28.2,26.4,28.4,29.1,29.3,27.6,28.5,28.8,29.2,29.2,28.6,27.8
1978,27.4,26.6,28.8,29.1,29.6,28.3,28.8,28.6,30.5,30.1,29.5,27.9
1979,27.9,27.9,28.3,29.6,29.7,28,28.3,29.7,27.4,30.6,30,29
1980,29.1,29.4,30.3,31.1,29.4,28.4,28.4,28.6,29.8,29,27.8,27.7
1981,28.1,28,29.2,28,28.1,27.4,27.7,28.3,28.9,29.4,29.3,28.4
1982,28.3,27.7,28.8,28.9,29.8,28,27.5,27.1,28.3,28.3,28.1,27.6
1983,27.4,28,29.1,30.3,29.4,29.3,29.2,29.5,30.3,29.8,29.4,29
1984,28.3,27.9,28.7,29.1,29,28,27.3,27.6,28,27.9,27.7,26.1
1985,24.8,24.1,27.4,28.3,28.3,27.3,26.8,27.3,27.9,27.5,27,25.6
1986,26.6,27.7,28.4,28.7,28.9,27.8,28,29.2,29.1,28.8,27.8,27.2
1987,26.7,27.2,28.3,29.9,29.5,29.3,28.1,28.9,30.3,30.4,30.5,30.3
1988,29.6,29,30,31.4,31,29.8,29.1,29.6,31.1,30.3,28.4,27.3
1989,26.7,27.3,27.1,28.3,28,27.5,27.9,29.3,29,29.6,28.6,28.7
1990,28.3,27.8,28.8,29.9,29.8,28.7,29,29.1,30.3,30.4,30,29.4
1991,29.1,28.7,28.9,29.8,30.5,29.1,29.9,28.8,29.5,28.9,28.6,28.1
1992,27.8,27.8,28.6,29.7,30.3,28.6,27.9,28.5,29.7,29.9,28.7,28.2
1993,27.9,27.9,28.8,30,29.8,28.9,28.7,28.4,28.8,29.2,27.8,27.4
1994,27.4,26.8,27.9,28.7,29.2,28.3,28.3,28.4,29.8,29.2,28.5,27.9
1995,28,27.1,27.5,29.8,30.4,28.5,28.4,28.8,30.1,29,28.7,28.7
1996,28,28,28.9,30,29.6,27.4,28,28.7,29.8,29.4,28.6,28.5
1997,28.7,27.5,28.4,29.7,29.9,29.2,28.5,29,30.9,30.4,29.5,29.1
1998,29.2,28.9,28.9,30.4,30,29.2,28.8,30.1,30.2,29.7,29.4,28.9
1999,28.3,27.7,28.6,28.8,30.6,29.3,28.6,28.6,29.7,28.8,28.6,27.7
2000,27.8,26.9,27.3,29,28,28,28.6,27.9,28.6,29.5,29,28.1
2001,28,27.5,28.6,29.2,29.9,28,27.6,27.4,27.7,27.5,28.6,29
2002,29.1,28.4,28.9,29.7,29.7,28.8,29.6,30.6,31,30.7,29.8,29.6
2003,29.5,28.8,29.9,29.7,28.6,26.9,28.3,28.4,29.4,29.9,29.7,28.6
2004,28.8,28.2,28.8,29.9,29.4,28.1,28.6,28.7,29.7,29.6,29.1,30.4
2005,27.6,28.3,29.7,29.9,30.5,28.6,28.5,29.2,29.7,30.2,28.3,28.6
2006,28.6,28,28.5,29.6,30.1,27.1,27.2,27.8,30.3,29.5,29.2,29.2
2007,29.4,29,29.6,30.6,30.3,27.9,27.8,28.9,29.2,29,28.4,28.5
2008,28.4,27.5,28.3,27.9,29.9,29.3,28.8,29.2,30.2,29.3,30,29.1
2009,29.2,27.3,28,28.9,30.6,29.9,29.3,29.3,30.5,30.8,30.5,29.9
