1901,26.7,27.2,25.3,22.3,20.4,18.3,19.5,19.2,20.1,23.1,23.8,25.4
1902,26.5,28.4,26.7,24.6,22.2,20.6,20.6,18.2,21.2,22.1,25.6,27.3
1903,26,27.7,27.5,23.5,20.1,20.4,18.8,19.8,20.8,21.2,24.6,26.9
1904,26.2,26.6,26.9,23.6,19.1,17.7,19.2,19.6,20.9,21.7,24.4,25.6
1905,26.2,26.9,25,23.7,20.9,18.8,18.8,19.6,21,24.6,24,26.3
1906,26.7,26.6,25.5,23.6,22,19.4,19.2,20.7,19.7,22.9,24,25.9
1907,26.2,27.2,27.1,23.8,18.8,18.8,17.8,18.7,20.9,21.5,23.7,26.8
1908,26.4,26.4,25,23.7,20.6,19.6,19.5,18.3,20.3,21.6,23.8,25.9
1909,27.3,27.9,24.7,23.1,18.6,18.5,19.4,20.1,20.1,21.2,23.7,24.3
1910,27.9,26.8,25.9,24.8,19.3,20.1,17.9,20.3,19.8,21,23.8,25.4
1911,27.7,26.8,24.4,23.3,20.7,16.6,17,18.8,19.8,21.1,25.2,27
1912,27.4,28.2,26.8,23.9,22,20.1,17.3,20.4,18.5,21.4,25,26.4
1913,26.1,27.4,26.7,24.6,21.3,17.9,19.9,19.5,20.7,22.4,24.1,25
1914,28.2,28,27.2,24,20.4,21.9,21.1,20.1,21.8,23.1,26.1,25.5
1915,27.8,29,26.1,26,23.4,18.6,19,20.8,20.6,21.7,23.4,26.2
1916,27.7,26.1,25.5,23.4,22.5,19.8,18,19.2,21.3,21.4,24.4,25.7
1917,26.4,26.8,25.2,22.5,18.7,17.4,17.4,17.3,20.7,21.8,21.7,25.5
1918,26.4,26.6,25.5,22.8,20.4,17.7,17.5,17.6,18.7,21.1,24,25.1
1919,25.4,26.1,25.7,24.3,23.4,20.3,19.1,19,17.7,21.2,23.5,25.7
1920,27.5,27.5,26.6,24.5,21.1,18.9,18.8,18,20.3,22.6,25,26.2
1921,27.3,27.3,26.7,23.2,21,17.6,17.3,20.5,19.7,21.2,23.4,26.2
1922,27.1,26.8,25.8,24.1,20.9,19.2,19.7,21.1,20.9,20.8,24,25.4
1923,27.3,27.4,26.4,25.6,20,19.1,17.3,20.2,20.2,21.9,24.3,27.2
1924,26,26,26.9,24.2,20.5,19.7,18.9,18.5,19.9,20.1,23.3,26
1925,27.4,28,25.6,25,21.3,17.8,16.9,21.7,21.2,21.4,24,26.9
1926,27.3,26.2,26.8,24.4,20.4,20.6,18.8,20.3,21.6,22.4,24.8,26.3
1927,27.5,27.4,26.9,24.5,20.6,18.6,19,18.9,19.8,21.7,24.3,26
1928,27,27.5,26.3,25.9,21.2,19.3,19,19,20.1,22.1,24.4,26.5
1929,27.1,27.2,25.4,22.5,19.7,18.8,19.7,19.8,20.6,22.7,23.2,26.7
1930,27.8,27.4,26.7,24,21.9,21.2,18.8,20,20.1,21.8,23.8,25.9
1931,28.2,26.8,26.2,23.9,20.1,18.3,19.1,19.1,19.1,21.9,23.4,27
1932,26.7,27.9,26.7,25.3,20.9,18.6,20.8,18.7,21,23.6,25.1,26
1933,26.8,27.9,25.7,23.1,21.5,18.3,17.6,20.2,20.5,22.6,23.4,25.1
1934,27.2,27.1,27.4,23.8,22.1,21.1,18.7,20.1,20.4,21.8,24.6,25.4
1935,26.9,27.8,27.6,23,19.9,21.1,20.5,19.5,20.1,22.1,24.4,27.6
1936,28,26.8,26.3,24,24.1,22.3,20,18.9,19.9,23.2,24.2,26.5
1937,25,27.6,26.3,23.2,20,20.5,20.1,21.9,20.5,21.8,23.2,24.7
1938,27.4,27.1,27.9,23.5,21.3,20.5,18.8,19.6,20.5,22.1,23.9,25.6
1939,27.6,27.1,26.8,24,22.1,19.7,18.6,21.1,20.4,22.7,23.6,25.2
1940,27.3,27.2,27.4,24.5,23.4,21.5,21.3,20.9,21,22.1,24,28.9
1941,27.4,27,25.8,25.8,22.3,19.5,19,21.7,19,21.7,23.8,25.5
1942,27,27.7,26.2,23.5,20.5,18.4,16.4,20.3,20.8,22.2,24.6,25.4
1943,26.5,27.6,27.5,22.6,21.8,20.3,19.8,17.9,19.8,22.1,23.9,24.9
1944,27.2,26.6,26.4,23.2,21.2,20.3,17.9,21,21.7,24.4,23,25.9
1945,26.8,28,25.8,24.7,20.4,17.8,19.2,21.6,19.9,23.2,24.2,25
1946,26.1,27.8,25.4,22.6,22.4,19.6,17.4,21,21.7,22.6,24.6,25.7
1947,27.4,28.1,25,24,22,20.2,17.6,18.9,19.7,20.1,22.6,24.5
1948,28,26.9,25.2,24.2,20.9,20.6,20.1,18.3,21.1,22,23.9,26.2
1949,27.2,27.1,27.4,22.8,20.8,20.8,19.5,19.8,20.2,21.3,24.2,25.9
1950,26.1,26.8,26.2,24.8,22.7,19.8,19,20.7,20.6,21.5,23.1,26.4
1951,27.2,26.8,25.4,21.7,21.6,20.1,18.5,19.5,22,22,24.1,25
1952,27.8,26.5,27.4,21.9,23,18.8,19.8,21.8,19.6,22.5,24.6,26
1953,28.6,26.8,27.8,22.8,22.4,20.3,16.7,21,22.1,22.6,24.1,26
1954,28.5,28.2,26.6,23.6,20.5,20.4,19.6,20.9,21.3,21.7,24.9,26.3
1955,27.5,28.9,27.1,24.3,20.3,18.9,17.6,19.1,21.1,20.8,23.5,26.1
1956,28.4,27.6,25.8,22.8,18.2,17.5,18,19.2,21.5,22.2,22.5,25.1
1957,27.3,26.2,26.2,23.1,22.3,19.5,18.5,19.9,19.4,23.6,24.2,27.1
1958,28.3,28.2,26,23.5,20.6,20.5,21.2,21.2,20.3,22.4,25.4,26.7
1959,27.7,27.8,26.3,26.6,21.3,18.9,21.4,20.5,21.6,23.8,24.5,26.2
1960,26.7,25.8,26.5,23.6,19.3,19.5,20.5,20.4,21.3,24.1,24.5,26.5
1961,27.6,27.6,25.8,24.1,21.6,19.8,20.8,22.8,21.8,24.5,25.4,26.7
1962,26.4,26.4,26.5,23.5,20.1,18.4,17.9,19.6,20.5,21,24.8,25.8
1963,27.6,27.2,27.1,24.3,21.4,19.8,20.7,21.1,22.1,22.5,24.4,25.2
1964,27.1,26.9,26.1,23.9,21.2,18.5,17.4,20,20.9,22,23.9,25.2
1965,26.6,28,24.9,23.8,20.6,20.8,19.1,20.9,21.1,22.5,24.2,26.3
1966,27.6,27.5,26.9,24.1,22,21,20.7,19,19.6,21.6,24.2,26.2
1967,26.5,26.6,25.4,24.7,23.7,19.1,19.8,22.1,21.3,24.5,23.9,25.6
1968,27.1,26.4,26.2,22.2,19.9,19.4,19.5,20,20.2,22,25.7,26.8
1969,27.1,27.7,25.9,23.6,21.4,19.8,19.1,19.6,21.1,20.9,24.2,25.3
1970,27.1,28,26.4,24.5,22.3,20.1,19.1,19.5,20.1,21.8,23,26.6
1971,27.7,27.7,26.1,22.5,19.4,18.1,18.4,20.1,21.9,22.3,24,26.6
1972,27.5,26.7,26.3,23,22.6,21.4,18.5,19.7,20.7,21.8,23.8,26.2
1973,27.8,28.5,25.9,25.7,21.1,20.6,19.6,18.4,19.4,21.9,23.8,26.4
1974,27.8,27.5,26.8,23.9,22.6,18.3,20.6,20.2,21.1,22.6,24.6,25.6
1975,26.9,28.1,26.8,23.8,21.5,19.6,17.9,21.4,21.5,22.4,24.6,26.8
1976,27.6,27.1,26.4,23.3,21.3,19,18.7,19.5,19.7,22,24.4,26.5
1977,27.6,29,26.6,23.6,21.9,20.3,22.2,20.7,22.2,23.7,24.3,25.8
1978,27.4,27.3,26.7,23.1,19.9,18.7,20.8,19.4,21,23.9,24.8,26.4
1979,25.9,27.6,25.3,23.4,20.1,18.1,18.1,20.9,20.3,23.4,23.7,26
1980,26.8,27.9,28.7,25.2,23,19.5,19.2,20.5,18.9,22.5,24.4,26.8
1981,27.8,29,27.2,24.2,24.5,20.1,18.8,21,21.2,21.8,25.2,25.6
1982,26.4,27.8,26.1,24.1,21.6,21.4,20.1,21.2,22,22.5,23.8,26
1983,27.9,27.8,25.7,24.3,22.4,18,18.7,20.2,18.8,22.7,25.5,27
1984,29.2,29.6,26.2,23.4,22.9,20.1,19.8,17.9,20.2,23.3,23.8,25
1985,26.3,27.8,27.1,25,21.2,19.7,19.8,21.3,21.1,23.8,25.5,27.4
1986,28.8,28,26.2,24.9,21.4,21,19.1,20.7,21,22.7,25,26.4
1987,28.1,27.9,26.7,24.8,20,18.2,21.7,19.3,19.9,21.8,24.7,26.6
1988,28.7,26.3,27.6,23.4,19,17.4,17.5,19.3,20.4,22.2,24.5,26.1
1989,27.2,27.6,26.4,24.9,21.1,19.7,17.8,20.2,20.7,21.2,24.5,25.9
1990,27.1,27.8,26.9,25.3,19.8,18.4,16.8,19.3,19.7,23.6,26.1,26.7
1991,26.5,27.2,26,24.9,22.9,20.4,19,20.7,21.2,23.7,25,27.4
1992,27.8,28.6,26.7,24.5,21.4,21.4,17.6,18.7,20.7,23.4,24.2,26.7
1993,28,27.6,27.2,26,21.8,19,19.1,18.6,20.1,23.7,24.5,27
1994,27,28.5,26.5,24.2,22.9,19.2,20.1,19.3,21.5,23.3,24.7,28.2
1995,28.3,27,27,26.3,21.1,19.7,21.2,21.4,20.8,21.9,25.3,27.7
1996,28,28,26.2,25.1,21.4,18.3,17,19.8,20.1,23.4,25,27.6
1997,27.8,28.1,26.1,24.4,21.7,19.7,20.7,21.2,21.7,22.5,24.9,27.8
1998,28,27.8,26.5,24.4,21.5,19,19.9,21.2,21,22.7,24.2,26.8
1999,27.8,27.8,27.9,23.5,20.8,18.9,18.9,20.6,21.1,21.6,23.2,26.6
2000,27.9,27.4,26.2,24.9,21.2,21,17,19.2,20.3,23.9,24.8,27
2001,28.5,28.9,28.3,25.9,21,20.6,19.8,22.3,21.2,23.8,25.4,26.5
2002,28,27.4,28.6,25.9,23.2,21,21.1,21.9,20.3,25.2,25.8,27.1
2003,28.4,29.6,27.4,25.1,21.4,21.6,20.3,19.4,20.8,23.4,25,26.2
2004,27.3,27.2,27.2,25.9,20.2,20.3,19,20.7,22.7,22.6,24.6,26.1
2005,28.1,27.7,27.2,25.5,22.9,22.8,20,22.2,20.4,23.1,25.2,26.2
2006,29,28.3,27.7,24.5,20.5,20.7,21.5,21.2,20.6,23.6,24.6,28
2007,28.1,28.3,28.3,26,20.3,20.3,18.3,19.8,23,24.2,24.5,27.3
2008,27.3,27.6,26.9,24.3,21.5,18.9,21.1,21.3,20.3,22.9,24.5,26.2
2009,26.9,28.1,27.7,25.4,22.4,18.8,18.3,21,21.4,22.8,27.1,27.5
