1901,26.5,27.9,27.8,27.1,26,23.8,22.9,22.9,23.9,25.2,25.3,26.7
1902,26.9,26.3,27.3,25.7,24.5,25.7,24.1,24.4,24.6,25.1,25.2,25.3
1903,28.3,29.7,29.2,27.7,26.9,25.3,23.4,23.7,23.6,24.8,24.3,25.9
1904,25.4,28.5,28.9,27.3,26,26.3,22.6,23.2,23.6,24.7,24.9,24.9
1905,26.2,26.4,26.8,26.4,26.8,24.2,23,22.5,23.6,25.6,26.3,26.8
1906,27.2,28.2,27.9,28.1,26.9,25.3,23,23.2,24.1,26.2,24.6,25.1
1907,26.6,28.5,29.3,28.6,28.1,26,22.7,22.7,23.4,25.7,24,23.4
1908,25.9,27,28.7,27.9,27.8,26.2,22.7,22.9,24.8,27.7,23.3,23.7
1909,24.8,25.6,27.2,25.4,26.1,23.8,23.9,23.1,23.6,26.2,25.9,26.4
1910,27.4,28.9,29.4,27.7,28.1,25.9,23.9,23.1,23.3,26.3,26.8,26.9
1911,28.3,29.1,29.7,27.3,26.6,24.9,23.3,22.9,24.1,27.3,26.9,27.2
1912,27.4,27,28.7,26.5,25.6,24.9,22.7,22.5,23.5,24.7,25.1,25
1913,25.9,27.9,26.5,26.7,27.1,25.3,22.7,22.7,23.9,24.8,24.4,24.7
1914,28.2,26.9,27.6,26.6,27.3,24.3,22.2,22.2,23.5,24.1,26.2,25.4
1915,26.6,27.1,27.6,26.9,25.8,24.1,22.7,22.7,23.6,24.8,25.3,25.6
1916,25.6,27.2,27.5,27,25.6,24,22,22.2,23.2,24.2,25,25
1917,26.1,26.8,27.1,26.8,25.4,23.8,22.4,22.6,23,24.1,25,25.3
1918,25.9,26.4,26.7,26.5,25.7,23.8,22.9,22.7,24.1,24.9,25.4,25.9
1919,27.4,27.7,27.9,26.7,25.7,24,22.5,23.1,23.8,25.2,25.1,25.8
1920,25.9,25.8,26.8,26.5,25.2,24,22.4,21.8,23.1,24.6,24.9,25.1
1921,25.7,26.1,26.5,27.4,25.7,24.3,22.4,22.1,23.5,25.1,25.5,26.1
1922,26.8,27,27.3,27,25.5,24.2,22.2,22.3,23.3,24.6,25.2,25.6
1923,27.5,26.4,27.5,26.8,25.3,23.9,22,22,23.4,24.7,25,25.5
1924,26.4,27.5,27.7,26.8,25.6,24.3,22.4,22.7,23.5,25.2,25.6,25.6
1925,25.5,26.4,27.9,26.9,25.6,23.9,22.5,22.6,24.2,25,25.1,25.8
1926,25.9,27,27.3,26.8,25.9,24.2,22.4,23,24.1,24.9,25.1,25.8
1927,26.9,26.7,27.8,26.9,26,24.1,22.4,22.6,23.8,25.7,25.8,26.3
1928,27.1,27.1,27.9,26.8,25.6,24.4,22.7,22.6,24.1,24.9,25.2,26.1
1929,26.5,27.4,27.7,27,25.4,24.1,21.9,22.5,23.7,24.8,25.1,24.7
1930,25.7,27.4,27.4,26.8,25.7,23.7,22.4,22.7,24.1,25.1,24.9,25.6
1931,26.2,27.5,27.5,27.1,25.7,24.4,22.3,22.4,23.1,24.7,25.1,25.4
1932,26.1,27.1,27.5,27,25.4,24.2,22,22.3,23.2,25.1,25.4,25.3
1933,26.7,27.4,27.9,27,25.9,24.3,22.5,22.3,23.4,24.8,25.4,25.7
1934,26.5,26.7,27.5,26.9,25.6,23.8,22.3,22.6,23.8,25.1,25.5,25.3
1935,26.9,27,27.9,27.1,25.8,24.2,22.6,22.7,23.8,25.3,25.3,25.9
1936,26.4,27.4,28.2,27.4,26,24.3,22.5,22.7,23.8,25,26,25.4
1937,26.1,27.2,27.8,27.1,25.6,24,22,22.2,23.4,25,24.5,25.7
1938,25.8,27.4,27.6,28.5,26.3,23.6,21.5,21.7,22.9,24.4,25.4,25.6
1939,26.4,26.7,27.9,26.9,25.3,24,22.3,22.8,23.8,24.3,25.3,25.9
1940,26.7,27.1,26.1,27.2,26.5,25.1,22.6,22.9,24.6,26,26.4,27.2
1941,26.6,27.5,27.8,27.6,25.3,23.6,22.5,22.3,23.8,25,25.2,24.8
1942,26.5,27.7,27.6,27.8,24.6,24.2,21.5,21.6,23.4,25.2,25.7,25.5
1943,25.8,25.8,26.4,26.7,25.1,23.3,21.6,21.4,22.7,24.1,25.6,25.7
1944,26.2,27.5,27.1,27.6,26.2,24.3,21.5,22.2,22.8,24.8,24.6,25.2
1945,26.7,25.9,27.1,27.7,25.5,23.7,22,21.4,22.7,24.1,24.8,24.9
1946,27.1,28.1,27.8,27,26.5,23.3,22.5,22.1,23.8,25.6,25.5,26.6
1947,27.2,27.5,27.5,26,26.4,25.7,23,23,23.7,25.7,26.9,26.5
1948,27.9,27.5,27.7,26.6,25.8,22.3,21.8,21.6,23,23.8,23.9,25
1949,25.9,26.6,27.5,27.3,24.6,22.8,21,21.6,22.2,24.7,24.6,24.1
1950,26.2,26.3,27.7,26.9,26,23.5,21.6,21.3,22.4,23.8,24.5,25.2
1951,28.7,28.6,27.1,24.6,27,26.3,22.6,23.1,21.9,26.3,27.1,26.9
1952,27.2,27.5,28.8,26.8,28,25.7,22.9,22,25.1,24.5,27.9,29.9
1953,31.2,29.7,29.8,27.5,28.6,24.9,21.7,22.5,24.3,25.9,28.1,26.3
1954,28.9,29.7,29.5,29.5,28.5,23.7,21.2,21.7,23.7,25.2,28.5,27.7
1955,26.2,29.1,30.8,28.6,28.4,25.1,22.7,22,24.5,26.2,26.3,26
1956,25,28.8,29.4,27.1,25.5,23.2,21.4,21.8,23,22.5,26.5,25.9
1957,28.7,26.5,24.7,26.7,24.6,24,22.3,22.3,24.8,26,27.1,28.4
1958,27.3,26.7,30.9,27.9,27.6,24.6,21.7,23,24.2,24.7,27.5,26.6
1959,25,26,27.7,29.4,26,24.6,23.2,23.2,24,25.2,26.3,26.2
1960,26.6,27.8,26.8,27.8,25.3,24.7,23.4,23.2,24.1,24.8,26.4,26.7
1961,26.6,26.4,27,26.6,27.1,24.2,21.4,20.8,22.6,23.4,22.6,23.9
1962,25.5,26.7,26.9,27.6,25.7,23.4,22.3,21.4,22.6,23.6,24.6,24.7
1963,25.7,26.5,28.9,24.6,25,24.2,22.3,22.4,24.3,26.8,23.9,22.8
1964,24.5,25.7,28.5,27.6,25.6,23.3,20.9,21.4,22.1,23.2,25.5,23
1965,25.6,28.1,28.3,25.9,27.2,24.6,22.3,22,24.2,24.7,23.3,25.1
1966,26.1,25.3,26.7,26.6,26.8,23.9,22.3,22,24,25.2,24.5,26.4
1967,28.4,29.2,26.9,26.6,24.7,23.5,20.5,21.2,22.2,23.6,23.3,24.6
1968,27.2,24.4,27.7,25.8,25.4,23.3,21.7,22.7,23.3,25.1,25.2,25.4
1969,24.4,23.6,25.2,27.2,25.9,23.7,21.8,22,23.4,25.3,26.3,27.9
1970,25,27.3,25.4,26.6,26.7,24.2,21.8,21.2,22.9,23.8,25.5,25.8
1971,25.6,28.8,28.1,27,24.1,22.5,21.6,21.3,22.5,23.3,23.4,23.4
1972,25.6,24.6,27.3,25.3,26.1,24,22.2,22.7,23.9,25.3,24.4,25.5
1973,26.4,29.6,31.2,29.1,24.8,23.6,22,21.5,22.8,24.1,24.9,25.5
1974,27.2,27.6,25.1,28.1,24.5,23.1,21.4,21.6,22.2,25.2,25.8,26.3
1975,27,27.8,28.4,27,24.6,22.8,21.5,21,22.4,24.6,25.6,25.5
1976,26.2,27.4,27.5,27.1,25.1,25,21.8,22.8,24.8,24.8,24.4,26.5
1977,25.3,26.4,27.6,30.1,26.9,23.4,22.3,22.8,23.4,23.9,24.6,25.1
1978,27.5,27.3,27.9,27.6,25.2,23.6,21.5,22.6,23.2,24.6,25.4,24.6
1979,24.3,26.2,27.2,27.9,26,24.6,22.9,23,24.5,25.7,27,26.5
1980,27.6,28.7,28.2,26.9,25.7,24.1,22.7,22.9,23.9,26.6,27.3,28.3
1981,27.2,29,26.2,26.8,26.3,25.3,22.3,23.1,23.3,25.5,25.8,26
1982,25.4,26.4,27.5,26.6,26,24.6,23.1,22.6,24.2,24.5,24.5,24.7
1983,25.9,26.7,27.7,27.2,25.9,25.3,23.7,23,23.7,24.4,24.9,25.4
1984,26.4,29.3,29.2,29.3,26.2,23.4,22.8,23.4,23.7,26.5,25.1,24.6
1985,26.9,27.3,28.3,26.1,24.7,24,21.9,22.3,23.6,25.3,25.5,25.6
1986,26.7,26.8,26.8,25.9,26.6,23.1,23,23.6,23.5,25.2,25.4,25.8
1987,26.5,27.8,26,27.1,25.4,24.2,24.3,24,25.6,25.8,26.2,25.9
1988,26.1,26.3,29.2,27.9,25.9,24.4,22,22.9,23.2,24.3,25.3,25.3
1989,25.2,25.8,26.6,25.2,26.2,24,22.6,23.7,23.3,24.2,25.4,24
1990,25.5,26,26.1,26.6,26.8,24.2,23.2,23.3,23.9,25.6,25.9,26
1991,25.7,27,27.6,28.3,26.3,24.5,22.5,22.7,24.7,25.4,26,25.9
1992,26.4,27.1,27.6,28.3,26.1,24.4,22.4,22.4,23.7,24.9,24.3,25.7
1993,26.2,26.5,27.5,26.7,25.6,23.5,23.1,23.3,24.3,25.7,26.3,25.1
1994,26.8,27.9,27.5,26.8,25.6,23.7,21.8,22.2,23.7,25.8,26,25.1
1995,26.8,28.1,28.7,27.7,27,25.1,22.9,23.6,24.3,25.4,25.3,26.3
1996,27.7,27.7,27.8,27.1,25.7,24,23.1,23.4,24.3,25.6,25,26.1
1997,26.8,26.4,28.3,26.8,25.9,24.6,23.8,23.7,25.1,27.7,25.5,27.6
1998,27.8,27.8,29,29.8,25.8,25.3,24.1,23.6,25.3,26,26.2,24.8
1999,27,28.3,28.6,28.4,27.8,24.8,22.9,21.6,23,24.8,25.5,25.8
2000,27.1,27.9,28.2,27.6,27.2,25,22.9,23.3,24.8,25.4,29.5,26.6
2001,27.3,28.6,27.6,27.8,26.5,24.2,23.4,23.7,25.1,27.6,26.8,27.4
2002,27.3,28.2,28.7,27.7,26.8,25.2,24.8,24.3,25.1,26.9,25.5,27.2
2003,26.2,28.2,28.2,28.2,28.3,25.2,23.2,23.6,24.2,26.7,26.6,25.6
2004,27.3,28,28.5,27.6,28.6,24.5,23.5,23.7,24.9,25.4,26.7,27
2005,27.7,29.2,28.6,28.3,26.3,25.1,23.3,24.4,24.9,25.5,23.4,24.9
2006,27.3,29,30.9,27.9,26.7,24.9,23.8,23,24.4,25.6,26.2,24.8
2007,26.8,27.1,28.2,27.7,26.9,24.4,23.7,22.8,24.4,26.1,25.7,26.1
2008,28.5,28.7,26.7,28.3,26.7,25,22.8,23.3,23.9,25.3,25.9,25.4
2009,26.2,27.7,26.3,28.6,27.4,26.4,23.6,24.4,25.4,26.6,25.8,26.9
