1901,27.6,27.1,27.7,27.2,26.5,25.1,24.3,24,25.2,26.7,28.4,27.2
1902,27.7,27.2,27.3,27.8,26.8,25.1,24.7,24.2,26.5,27,28,27.6
1903,27.3,27.1,27.8,27.7,27.1,25.6,24.3,24.6,24.9,26.4,27.6,27.4
1904,26.9,27,27.5,27.2,26.9,24.9,24,24.6,25,27.2,28.3,27.7
1905,27.4,27.1,27.4,26.9,27,25.8,24.3,24.8,25.1,27.3,27.4,27.4
1906,27.9,27.3,28,27.7,26.7,25.1,24.3,24.3,25.4,26.6,27.5,27.4
1907,27.3,27.2,27.2,27.4,26.7,25.2,23.7,24.5,25.8,27.7,27.8,27.1
1908,27.4,27,27.8,27.5,26.3,25.5,24.3,24.9,26.1,27.7,28.1,27.3
1909,27.1,27.1,27.5,27.4,26.4,24.5,24.8,24.5,26.1,26.4,27.9,27.2
1910,27.4,27.2,27.5,27.6,26.4,24.6,24.1,24.6,25.8,27.2,26.9,27
1911,27.2,26.7,27.3,26.7,26.3,24.9,24.5,24.5,25.8,27.2,27.6,28.1
1912,27.6,26.9,28,27.7,27,25.3,24.4,24.8,26.5,27.2,28.4,27.6
1913,27,26.9,27.9,26.9,27.2,25,24,25,25.9,27.6,27.6,27.3
1914,27.1,27.5,27.6,27.6,26.8,25.5,24.2,24.8,26,27,27.3,28
1915,27.4,27.3,27.7,27.9,26.9,25.1,24.7,24.2,25.5,27.6,27.8,27.5
1916,27.4,27,27.7,27.6,26.5,25,23.6,24.7,25.6,27,27.1,26.7
1917,26.9,26.4,27.2,27.3,27.1,25.3,24.7,24.6,25.4,25.9,27.4,26.8
1918,27.4,26.8,27.4,27,26.5,25.3,24.1,24.3,25.7,27.2,27.7,27.6
1919,27.4,27.3,27.7,26.9,26,25,23.8,25.2,26.5,27,28.2,27.8
1920,27.2,27,27.5,26.9,26.7,24.5,23.7,24.7,26.5,27.6,27.5,27.1
1921,27.1,27,27.2,26.9,26.5,25,24.3,24.6,25.8,27.3,27.6,27.1
1922,26.8,26.9,27.5,26.5,26.4,24.7,23.7,24.5,25.3,26.7,27.7,27.7
1923,27.6,27.3,27.9,27.7,27,25.1,24.7,24.3,26.1,27.2,28.1,27.6
1924,27.4,27.1,28,27.3,26.9,25.2,24.6,24.8,25.9,26.9,27.6,27.3
1925,27.2,27.1,27.4,27.7,26.3,25.8,24.9,24.4,26.7,27.3,27.6,27.6
1926,27.8,27.5,28.3,28.2,27.1,25.9,24.7,25,26.5,27.4,28.4,27.8
1927,27.3,27.3,27.4,27.5,26.8,25.2,24,24.9,25.9,27.2,27.7,28
1928,27,27.4,27.9,28,27.2,25,24.4,24.7,25.8,27.3,27.9,27.5
1929,27.6,26.5,28.1,27.8,26.7,25.5,24.8,24.8,25.9,27.8,28,27.3
1930,26.9,27.4,27.5,27.5,26.1,24.9,24.1,24.1,26.6,26.9,28,27.7
1931,26.9,27,27.3,27.2,26.4,24.8,24.3,24.3,25.2,26.3,27,27.2
1932,27.4,26.9,27.7,27,26,25,24.3,24.6,25.3,26.6,27.9,27.4
1933,27.3,26.8,27.2,27.3,26.5,24.9,24.3,24.5,25,26.9,28,27.4
1934,26.9,26.7,27.7,27.6,27,24.3,24.2,23.8,25.2,26.8,27.9,27.1
1935,27.4,27.2,28,27.1,27,25,23.2,24.7,26.4,27.4,27.5,27.3
1936,27.1,27.8,28,27.6,27.1,24.7,23.9,24.1,25.7,28,28.2,27.4
1937,27.2,27.4,27.4,27.8,26.8,25.7,24.2,24.6,26.8,27.1,29,27.7
1938,27.5,27.2,28,27.7,26.9,24.9,24.7,25,25.9,27,27.2,27.9
1939,27.5,27.4,27.7,27.7,27.3,25.4,24.7,24.5,26.4,27.4,28.2,27.2
1940,26.9,27,27.3,27.2,26.3,24.8,24.1,24.2,25.2,26.2,27.1,27.3
1941,26,27.4,27.7,27.8,26.8,25.1,24,24.6,25.7,26.6,27.2,27.6
1942,27,28.1,28.2,28.1,26.9,24.8,23.5,23.9,24.8,25.9,27.2,27.4
1943,26.8,26.9,27.2,27.7,26.9,24.4,23.2,23.8,24.4,24.9,26.1,26.6
1944,26.3,27.4,27.7,27.3,27,25.4,23.7,24.1,25.5,26.8,28.6,28.1
1945,27,26.9,28,28.1,26.9,24.4,24.6,24.5,25.3,27,28,26.9
1946,26.1,27.3,26.9,27.8,27.1,25.2,24.4,24.7,24.7,26.6,27.6,26.6
1947,26.6,27,27.3,27.3,26.8,25.4,24.9,24.7,25.1,26.3,27.2,27.7
1948,26.9,27.5,27.4,28,27.4,25.6,24.1,24.6,25.6,26.8,27.4,26.8
1949,26.8,26.6,27.1,27,26.4,25,24.1,24.4,25.2,26.5,27.2,27.3
1950,26.9,26.8,27.5,27.8,26.4,25.2,24.3,24.6,25.3,26.8,27.8,27.8
1951,26.3,26.9,27,27.7,26.9,25.5,24.9,24.8,25.6,27,27.7,27.5
1952,26.8,27.3,27.7,27,26.5,25,24.5,24.4,25.5,26.2,27,27.6
1953,27.4,27.4,27.7,27.6,26.9,25.7,24.9,24.4,25,26.2,27.1,27.1
1954,26.6,26.9,26.9,27.2,26.9,25.3,24.7,25,25.8,26.3,26.9,27.5
1955,27.5,26.6,26.8,27.4,26.5,24.5,24,24.2,25.2,26,27.1,27.3
1956,26.5,27,27.5,26.9,25.6,24.5,23.5,24.2,25.1,26.1,26.6,27.4
1957,26.4,26,26.8,27.1,25.9,24.8,24,24.1,24.8,26,26.8,26.9
1958,27.6,27.2,27.1,27.6,26,25.1,24.4,24.8,25.7,26.1,27,27.2
1959,27.3,27.1,26.6,26.8,25.8,24.8,23.6,24.1,25,26.5,27,27.1
1960,26.7,27.4,27.3,27.2,26.5,25.4,23.9,24,24.7,25.7,26.3,27.1
1961,27.6,27.9,27.9,27.6,27,25.6,25,24.8,25.7,27.1,27.9,27
1962,26.9,27.2,27.6,27.3,26.1,24.8,24.3,24.8,25.7,26.5,27.2,27.5
1963,27.4,26.9,27.6,27.7,26.2,25,24.1,23.6,24.9,26.3,27.7,27.4
1964,27.3,27.5,27.7,27.5,25.9,24.7,23.6,24,24.9,25.8,26.4,27.1
1965,26.7,26.7,26.9,26.9,26.2,24.1,24.1,24.2,25.3,26.6,27.6,27
1966,27.5,27.6,27.6,27.4,26.5,25.6,24.8,24.7,25.7,26.5,27,27.5
1967,26.6,27.3,27.3,27.3,26.6,25.3,24.8,24.7,25.5,26.6,27.5,26.7
1968,26.4,26.9,26.8,26.9,25.9,24.8,24.4,24.2,25,26,26.9,26.9
1969,27.1,26.9,28.1,28,27.1,25,24.6,24.4,25.1,26.6,27.3,27.7
1970,27,27.5,27.7,27.2,26.7,25.3,25.1,25,25.6,26.3,26.9,27
1971,26.6,26.5,27.2,27.4,25.4,24.5,23.9,23.3,24.3,25.2,25.9,26.5
1972,26.4,26.7,26.2,26.9,26.6,24.4,24.4,24.3,24.9,26.4,27.3,27.7
1973,26.7,26.9,27.2,27.4,26.7,25,24.2,24,24.9,25.7,26.4,26.4
1974,26.7,26.4,26.4,27,25.6,24.2,23.6,23.6,24.2,25.4,26.2,26.9
1975,26.4,26.8,26.6,27.1,26.3,24.5,24,23.6,24.3,25.5,26.9,26.4
1976,26.2,26.4,26.7,26.5,26.1,25.2,23.9,23.8,25.1,25.9,27,27.1
1977,27,26.6,27,27,26.7,25.5,24.4,24.6,25.4,26.8,27.6,27.8
1978,27,27.1,27,27.2,26.4,25.3,24.2,24.2,25.1,26.4,27.1,27.1
1979,27.3,27.1,27.5,27,26.6,25.1,24.4,24.4,25.4,26.6,27.2,27.7
1980,26.6,27.3,27.2,27.2,26,24.8,24.9,24.9,25.3,26.3,27.3,27.1
1981,27.6,27.3,27.4,27.2,26.1,24.7,24.1,24.6,24.8,26.5,26.9,27.6
1982,27.3,26.7,27.1,27.2,26.6,25.5,24.3,24.4,25.5,26.5,27.4,27.2
1983,27.1,27.3,27.8,27.6,26.6,25.4,24.7,24.3,24.9,26.1,26.6,26.8
1984,26.2,26.3,27,26.4,25.2,24,23.6,23,24.3,25.8,26.9,26.9
1985,27.1,26.3,27.2,26.9,26,24.3,23.9,24,24.9,25.7,26.7,27.7
1986,26.7,27.3,27.1,27.4,26.3,24.4,23.6,24,25,26.1,27.2,27.3
1987,26.8,27,28.1,27.6,26.8,24.7,24.6,25.1,25.4,27,27.4,27.7
1988,27.6,27.2,27.9,27.3,26.1,25.2,24.2,24.4,24.9,26.6,27,27.7
1989,26,26.4,27.1,26.7,26.1,24.4,23.8,23.6,24.9,25.6,26.6,27.2
1990,26.5,27.3,27.8,27.4,26.2,24.9,23.6,24,25.5,26.6,26,27.1
1991,27.3,27,27.3,26.9,26.2,24.7,23.9,24.2,25.6,26.5,27.4,27.1
1992,27.1,27.1,27.8,27.6,26.4,24.9,23.4,24.2,25,26.2,27.5,27.8
1993,27.6,27,26.7,27.4,26.8,25.1,23.6,24.2,24.6,26.2,27.1,27.5
1994,27.3,27.3,27.7,28,27.2,25.3,23.4,25.2,25.8,26.3,26.8,27.4
1995,27.6,27.4,27.2,27.1,26,24.5,24.8,24.5,25.1,26,26.5,27.2
1996,26.9,26.8,27.2,27,25.9,24.6,23.5,23.7,25.4,25.4,26.8,27.1
1997,26.7,26.1,28.1,27.5,26.8,24.8,24,24.5,25.5,26.3,28.4,28.1
1998,27.8,28,28.2,27.8,27,25.6,24.5,24.7,25.3,26.2,27.7,26.9
1999,27.1,27.4,28.1,27.1,26.7,24.9,24.2,24.2,25.4,25.8,27.4,27.7
2000,27.7,27.1,27.3,26.6,27.3,24.7,23.8,24.3,25.4,26.1,27.1,27.4
2001,27.3,27.4,27.4,27.8,27.1,25.1,24.3,24.5,25.3,26,27.9,27.8
2002,26.7,27.7,27.4,27.4,26.2,24.6,24.4,23.9,24,26.3,27.2,27.3
2003,27,26.8,28.3,27.1,26.9,24.8,24.2,24.6,24.9,26.1,27.4,27
2004,27.1,27.6,27.3,26.8,25.7,23.9,23.8,23.9,25.1,26.3,26.9,27.2
2005,27.2,28.1,27.8,27.5,26.7,25.1,24.4,24.8,26,26.7,27.7,27.2
2006,27.4,27.7,28,27.2,26.8,25.1,24.5,24.9,25.6,26.6,27.7,27.4
2007,27.9,28,28,27.7,27.3,25.4,24.3,25.2,25.7,26.8,27.5,27.9
2008,27.6,27.5,27.4,27.4,26.4,24.7,24.2,24.5,25.6,26.8,27.6,27.4
2009,28,27.8,28,27.5,27,25.8,24.6,25,25.7,26.9,27.7,28.1
