1901,25.8,26.7,26.5,25.5,24.7,23.9,23.4,23.3,23.9,24.4,24.8,25
1902,25.6,26.3,26.2,25.2,24.3,24,23.7,23.8,24.1,24.4,24.8,24.9
1903,26.1,26.7,26.6,25.7,24.7,24,23.5,23.3,23.8,24.3,24.5,24.8
1904,25.5,26.6,26.3,25.6,24.8,24.1,23.3,23.4,23.8,24.2,24.6,24.8
1905,25.7,26.4,26.2,25.4,24.6,24,23.4,23.2,23.8,24.5,24.9,25.1
1906,25.6,26.8,26.4,25.5,25,24.3,23.4,23.4,24,24.3,24.5,24.4
1907,25.4,26.7,26.6,25.6,24.9,24.1,23.3,23.2,23.8,24.2,24.5,24.2
1908,25.6,26.3,26.7,25.8,25.4,24.2,23.4,23.2,24.2,25.1,24.3,24.4
1909,25.3,26.2,26.1,25,24.5,23.7,23.4,23.4,23.9,24.2,24.5,24.9
1910,25.4,26.6,25.8,25.5,24.8,24.1,23.2,23.3,23.6,24.1,24.5,24.6
1911,26,26.2,26.2,25.2,24.4,24.1,23.5,23.2,23.8,24.3,24.7,24.6
1912,25.3,26.2,25.8,24.9,24.5,24,23.3,23.2,23.7,24,24.6,24.4
1913,25.3,26.2,25.1,25.1,24.3,23.7,23.5,23.4,24,24.1,23.9,24.3
1914,26.2,26.5,26.3,25,24.4,24.2,23.3,23.2,23.8,24.3,24.8,24.9
1915,25.9,26.6,26.2,25.1,24.5,23.8,23.4,23.2,23.8,24.2,24.8,24.6
1916,24.7,26.3,25.9,25.4,24.2,23.6,23,23,23.5,23.6,24.5,24.4
1917,25.4,26.4,25.7,24.8,24.5,23.6,23.3,23,23.3,23.3,24.2,24.4
1918,25,25.8,25.3,24.5,24.2,23.7,23.7,23.1,23.9,24.3,24.7,24.9
1919,26.4,27,26.3,24.8,24.7,23.9,23.5,23.7,24.1,24.5,24.6,24.8
1920,25.3,25.8,25.6,24.8,24.3,23.7,23.4,23.1,23.7,24,24.3,24.3
1921,25,25.6,25.2,25.6,24.6,24.1,23.5,23,23.8,24.2,24.7,25.5
1922,25.8,26.4,26.2,25.4,24.4,24.3,23.1,23,23.6,24.2,25.1,24.9
1923,26.4,26.2,26.4,25.1,24.3,23.8,23.1,23,23.9,24.1,24.4,24.7
1924,25.9,26.8,26.7,25.4,24.4,23.9,23.2,23.2,23.7,24.4,24.7,25.2
1925,24.7,25.6,26.4,25.3,24.3,23.7,23.4,23.2,24.2,24.4,24.8,25.1
1926,25.4,26.3,25.7,25,24.7,24,23.3,23.7,24.3,24.3,24.4,24.8
1927,25.8,26.3,26.1,24.8,24.6,24.1,23.4,23.3,23.9,24.7,24.9,25.7
1928,26.6,26.7,26.8,25.4,24.5,24,23.3,23.2,24.1,24.4,24.6,25.1
1929,25.7,27,26.3,25.5,24.3,23.8,22.8,23,23.8,24.1,24.6,24.2
1930,24.9,26.7,25.7,25.1,24.5,23.4,23,23.1,24,24.2,24,24.9
1931,25.4,26.9,26.1,25.2,24.4,24,23.1,23.1,23.6,24.3,24.7,24.9
1932,25.5,26.5,26.1,25.3,24.2,23.8,23,23,23.8,24.4,24.8,24.7
1933,26.2,27.2,26.6,25.1,24.7,23.9,23.3,23.1,23.9,24.5,25.4,25.4
1934,25.8,26.2,26.4,25.5,24.5,23.7,23,23.2,23.9,24.4,24.9,24.6
1935,25.9,26.5,26.6,25.4,24.6,23.8,23.2,23.1,23.8,24.3,24.6,25
1936,25.7,26.6,26.5,25.6,24.8,23.9,23.2,23.1,23.8,24.4,24.8,25
1937,25.6,26.6,26.4,25.5,24.6,23.9,23.2,23.2,23.8,24.4,24.7,25.1
1938,25.8,26.7,26.3,25.7,24.7,23.9,23.1,23,23.7,24.3,24.8,25
1939,25.8,26.6,26.5,25.6,24.8,24,23.3,23.3,23.8,24.4,24.8,25.1
1940,26.1,26.9,26.2,25.4,25,24.3,23.3,23.4,24.1,24.5,25,25.4
1941,27.1,28.9,27.2,26.5,25.1,23.7,23.2,22.9,23.6,24.6,24.5,24.6
1942,26.7,28.2,26.5,25.4,25.1,24,22.6,22.1,23.2,24.8,26.2,25.7
1943,26.6,26.3,26.5,25.9,24.9,23.7,22.8,22.1,23.2,24.6,26.4,26.8
1944,27.2,27.2,25.6,25.5,24.6,24.8,22.8,22.5,22.7,24.2,26.5,25.6
1945,26.6,26.9,28.5,27,24.2,23.1,23.7,22.3,23.1,23.7,24.7,24.4
1946,27.1,28,27.2,24.9,24.3,22.9,22.2,21.3,22.5,23.1,23.9,25.1
1947,25.8,26.9,26,23.8,24.2,23.6,22.7,22.4,23.1,24.6,26.1,25.1
1948,25.9,27.3,25.7,25.8,25.1,23.4,22.8,22.5,22.7,23.4,24,23.9
1949,25.9,27.8,27.2,27.2,25.2,23.5,22.4,22.5,22.4,23.8,25.7,25.1
1950,25.9,25,26.7,25.2,24.6,23.4,22,21.8,22.2,22.3,24.6,25.2
1951,25.9,26.2,27,26.2,25.2,24.2,23,22.3,23.9,23.4,24.1,23.4
1952,26.5,26.8,26.2,24.5,23.7,23.8,22.9,22.3,23,23.6,24.9,25.8
1953,26,27.4,26.9,25.9,25.3,23.7,22.8,22.4,23.3,24.2,24.7,24.8
1954,26.1,27.9,27.5,24.9,24,23.3,22.3,21.8,22.6,23.5,24.7,24.6
1955,26.6,26.2,25.4,25.2,24.4,23.7,22.6,21.8,22.2,25.6,24,24
1956,24.2,27.1,25.9,24,23.9,23,22.4,21.9,22.6,23,24.7,24.7
1957,25.4,25.4,25.4,24.4,24.9,23.7,23.2,22.4,23.8,24.3,25,24.9
1958,27.2,26.5,27.6,26.5,25.8,23.8,22.7,22.3,23,23.9,25.7,25.6
1959,26.7,26.4,26.6,26.1,24.7,23.7,23,22.3,23.1,23.4,24.2,24.6
1960,25.8,27.3,26.2,24.4,24.4,24.1,22.9,22.8,22.9,23.5,24.7,25.9
1961,25,25.9,26.5,25.8,25.3,23.9,22.7,22.1,22.6,22.9,23,23.3
1962,23.7,26,25.3,24.5,23.7,23.3,22.7,22.3,22.6,23.3,24.6,24.5
1963,25.1,25.7,25.6,23.9,24.2,23.7,22.7,22.6,23.8,24.6,24,24.5
1964,26.1,26.4,26.7,24.7,24.8,23.4,22.3,22.1,22.5,22.9,24.6,24.2
1965,25.5,24.7,27.1,24.9,24.7,23.8,23.5,22.8,23.6,23.2,24.2,24.7
1966,26.9,26.4,25.6,24.5,25.3,24.5,22.9,22.8,23,23.7,24.8,25.1
1967,25.9,26.9,26.3,26.5,25.1,23,22.4,22,22.7,23,23.2,24
1968,24.7,25.9,25.4,24.7,24.4,23.4,23,22.3,23.6,23.8,25.1,24.4
1969,25.6,26.2,25.7,26.1,24.5,24.1,23.1,22.9,23.6,24.3,24.6,25.7
1970,25.9,27.7,26.4,25.3,24.5,24.1,23,23.1,24.1,25,24.9,24.2
1971,25,26.6,27.2,25.2,24.4,23.5,22.5,22.6,22.5,23.9,24.7,23.5
1972,25.4,25.2,26.2,25.2,25,23.3,23.4,22.9,24.2,24,23.8,24.7
1973,26,27.2,27,25,24,23.5,22.8,22.7,23.2,24.4,24.7,25.1
1974,25.7,27.3,26.5,24.7,23.4,23.7,22.5,22.9,22.8,24.2,24.8,24.7
1975,25.9,26.7,26.2,25.7,24.6,23.2,22.9,22.2,22.7,23.5,24.5,24.5
1976,25.7,25.9,25.9,25,23.7,23.5,22.7,22.7,23.8,24.5,24.3,25.7
1977,25.9,26.6,26.4,25.2,24.8,23.5,22.9,23.2,24.4,24.1,24.6,26
1978,26.1,27.1,24.2,26,24.9,23.9,23.1,23.1,23.3,24.1,25,24.9
1979,26.2,26.2,25.8,25.9,24.5,23.5,23.3,23.6,24,24.6,24.8,24.8
1980,26.5,28.1,26.8,26.4,24.1,23.7,23.5,22.7,24.1,24.4,24.2,24.4
1981,26.4,26.6,26.5,26.7,25.3,24.8,23.3,24,24.2,25.2,25.3,26.1
1982,27.2,26.1,27.6,26.6,25,24.3,23.8,23.7,25,24.2,24.5,25.7
1983,25,27.6,28.4,26.8,26.3,25.2,24.5,24,24.2,24.1,25.3,24.6
1984,24.5,27,27.9,25.8,25.4,24.5,23.5,23.8,24.5,25.3,25,25.9
1985,27.7,25.4,26.2,24.1,24.5,23.8,23.2,23.7,24.4,25.1,25.8,25.6
1986,26,27,25.9,25.9,25.5,23.7,23.3,24.7,24.4,25.2,25.7,24.7
1987,26.2,27.8,27.3,27,24.7,24.8,25.4,25.8,25.9,25.5,25.8,26.4
1988,26.6,28.2,27.8,26.5,25.2,24.8,23.4,24,24,24.7,25.4,24.7
1989,22.7,24.8,26,24.7,24.4,23.2,24.2,24.7,25.1,25.4,25.3,24.9
1990,25.9,26.6,26.5,26.8,25.9,26.1,24.2,24.1,24.5,24.9,25.5,26
1991,25.2,27.8,26.5,25.9,24.4,24.7,23.4,23.1,24.5,25,25.2,23.9
1992,25.9,26.9,26.7,26.2,24.4,24.2,23.3,22.8,23.9,24.6,24.6,25.2
1993,25,25.6,26.1,25.6,23.9,25,24.5,25.4,23.8,23.5,27.9,25.1
1994,24.8,26.7,26.6,25.6,25,24.1,23.2,23.2,23.7,24.8,24.6,24.5
1995,25.6,26.9,26.5,27.9,25.1,25.3,23.7,25.4,24.7,25.3,26.7,25.3
1996,26.9,26.8,26.1,25.8,24.8,24.4,23.8,23.5,24.6,25.4,24.9,25
1997,26.5,26.8,28.4,25.8,25.7,24.5,24.2,23.9,26.1,25.9,26.6,26.3
1998,26.4,27.2,27.5,26.2,25.1,24.5,23.9,23.1,24.4,24.3,25.3,25.3
1999,26.2,28.1,26.7,26.2,24.2,24.4,23.7,23.8,24,23.7,25.1,25.3
2000,26.3,27.5,27.2,27,27.1,25.3,24,25.5,24.2,25,27.3,25.8
2001,27.6,30.1,28.3,28.3,27.3,25,25,25.4,25.8,26.5,26.7,26
2002,27.5,29.9,28.4,28.2,27.4,26.4,26.5,26.1,26.8,24.9,27,27.1
2003,29.6,28.3,29.1,27.9,26.9,25.2,24.9,24,25.8,26.5,27,28.7
2004,29.3,29.1,28,25.5,26.4,25.7,25.2,25.4,24.6,25.3,25.4,25.3
2005,24.7,29.3,29,28.6,25,25.5,23.7,24.4,25.8,24.9,28.4,28.9
2006,27.6,29.4,28.1,28,23.5,24.3,25.5,25.1,24,26.6,27.7,26
2007,28.2,30.1,29.6,27.9,27.4,23.4,23.2,23.7,24.3,24.8,23.4,27.5
2008,28.7,30.4,29,27.2,26.2,25.2,25,25.2,25.9,24.4,27.4,24.8
2009,28.6,29.9,28.7,26.5,26.7,25.1,26.4,26.5,26.4,26.2,28,28.5
