1901,27.8,26.4,23.6,24.7,20.4,17.9,18.1,19.6,21,21.3,23.7,25.5
1902,25.6,26.3,25.3,23.6,21.7,18.6,19.1,19.7,21.5,21.8,23.3,25.6
1903,26.8,25.9,24.8,23.3,22.1,18.8,18.3,20.4,21.3,22.7,23,25.2
1904,26.2,25.3,24.6,23.6,21.6,19.5,18.6,19.9,20.6,22.3,24,25.1
1905,26.2,25.1,23.9,23.4,21.5,19.2,18.8,19.4,21.5,22.8,23,25.4
1906,27.3,25.4,24.8,22.5,21.4,19.4,18.6,19.3,20.7,21.4,22.9,24.9
1907,26,25.7,25.5,22.5,21.1,18.5,17.9,19.7,21.1,21.6,22.8,24.6
1908,25.7,25.6,24.8,22.4,20.7,19,18.5,19.9,21.6,22.2,23.7,25.3
1909,26,25.1,24.6,23.3,21.1,19.1,19.1,20.2,20.7,22,22.9,25.3
1910,25.1,24.5,24.4,22.5,20.6,17.9,18,19.2,20.1,21.6,22.1,24
1911,25.4,25.6,24.3,22.2,19.8,17.4,17.8,18.5,20.2,23,23.3,26.2
1912,25.8,26.6,24.2,23.6,21.6,18.4,18.2,19.4,21,22,24.4,25.6
1913,26,26.5,24.7,23.7,21.7,19.2,20.1,20,20.9,22.3,23.9,25.5
1914,26.4,25.6,25,24,21.5,18.6,19.1,19.3,22.6,22.4,23.3,26.3
1915,27.1,26.1,25,24.1,20.4,18.4,18.1,19.9,20.6,22,23.3,24.3
1916,25.5,25.7,24.5,23.5,20.3,19.1,19.5,19.6,21.7,23.1,24.1,25.7
1917,25.8,24.8,25.2,23,20.8,18.8,18.1,18.2,19.9,21.8,23.2,24.7
1918,24.4,25.5,24.7,22.2,20,18.1,18.8,18.5,22.3,24,23.9,25.3
1919,26.3,25.6,25,24,19.8,18.7,19,19,20.3,22.3,22.2,25.1
1920,26.4,25.6,24.5,22.8,21.2,18.1,19,20,21.7,21.8,24.2,25.2
1921,25.5,26.4,25.4,22.6,20.1,19.8,17.9,19,21,22.3,23,25
1922,26.1,25.3,24.9,22.9,20.2,18.8,19.2,20.6,21.7,22.7,24.1,25.4
1923,25.9,25.9,25.2,23.3,20.6,18.4,19.2,20,21.9,23.4,25,24.4
1924,25.5,24.4,24.5,22.3,20.7,18.5,17.6,18.9,20.2,22,23.2,24.6
1925,25.5,26.5,25.1,23.5,20.1,19,18.2,19.9,20.7,22.3,23.8,25.9
1926,26.4,27.3,25,22.8,21,18.7,17.8,19.4,20.3,22.5,23.5,25.3
1927,26,25.9,25.1,23.5,20.5,18.2,18.9,19.7,21.8,22.6,24,25
1928,25.7,25.3,25,22.6,19.9,19.4,18,18.8,20.7,22.3,24.2,25.3
1929,25.1,24.9,23.6,22.7,21.3,18.7,18.5,18.7,21.7,22.6,23.5,24.8
1930,25.4,24.8,24.4,22.7,19.9,17.6,18.4,18.8,20.3,21.9,23.7,26.1
1931,25.6,26.7,24.8,23.1,22.1,18.5,18.3,20.3,21.6,22.7,23.6,25.9
1932,25.7,26,25,24,20.4,19,18.2,20.1,22.7,22.9,23.9,25.6
1933,25.6,26.1,25.7,23.5,21.8,19.2,19.6,20,21.4,23,23.8,25.3
1934,26.4,25.4,25.3,24.4,22.2,19.2,18.8,20.8,21.3,23,23.9,25.5
1935,25.5,24.7,24,22.7,20.6,17.8,18.8,18.1,21.4,22.8,22.9,24.2
1936,25.5,25.8,24.9,23,20.1,18.7,18.9,19.9,20.7,21.2,22.9,24.9
1937,26,26.6,25.7,23.4,21.6,19.5,18.4,19.9,20.8,22.2,24,24.6
1938,25.9,25.5,25.4,24.2,21.5,18.9,19.1,19.8,21.4,23.1,23.5,25.4
1939,25.7,26.7,24.5,23.1,21.8,18.7,18.2,19.6,19.8,23,23,24.9
1940,26.3,26.4,26,23.7,21.5,19.2,18.5,20.5,22.1,22.2,24.5,26.7
1941,26.4,26.8,25.7,24.8,23.2,20,19.5,20.7,22.1,23.9,24.9,26.6
1942,27.3,27,26,23.5,21.1,19.4,19,20.8,21.3,22.1,23.8,25.2
1943,26.1,25.5,24.9,23.4,20.6,18.6,19.1,19.3,21,23.3,25,25.1
1944,27.4,25.1,24.9,23.6,20.4,18.8,19.6,21.3,21.7,23.6,24.7,25.5
1945,25.2,26.4,24.8,23.9,20.9,18.3,18.9,19.3,22.2,22.4,23.9,25.4
1946,25.7,25.4,25.9,24.4,22,18.7,19.2,19.8,22.8,23.3,24.3,25.6
1947,26,27,25,24.4,21.3,19.3,18.2,20.7,21.3,23.3,25,25.3
1948,25.6,25.7,25,23.5,22,19.6,19.8,20.6,21.4,23.7,23.4,26.1
1949,26.7,25.1,24.4,23.7,21,19.2,19,20.3,22,22.7,23.6,25.4
1950,25.5,25.6,26.7,24.2,20.8,19.5,19.8,19.7,22.2,22.1,23,25.4
1951,24.9,25.7,24.8,23.9,21,18,17.6,19.1,20.7,23.3,24.2,25.4
1952,26.6,25.9,25.6,23.7,21.3,19.6,19.2,20.7,21.6,23.3,23.7,24.9
1953,26.6,26,24.7,23.4,21.5,18.6,18,20,20.3,23,24.1,26
1954,25.8,26.3,24.8,23.2,21.5,17.8,18.7,19.2,21.9,23.3,23.9,25.9
1955,25.6,25.5,24.3,23,20.7,18.7,19,19.7,20.7,21.3,22.2,24.8
1956,25.3,26,26,23.7,21.4,19.2,19.1,21,20.7,22.5,24.4,24.7
1957,27.2,27.5,25.9,24.5,21.6,19,20,20.5,23,24.3,25.9,25.6
1958,27.3,26.6,25.7,24.6,22.6,18,19,19.9,22.1,22.9,25.6,25.9
1959,26.3,26.2,25.3,24.6,21.7,19.5,19.5,19.8,20.9,22.7,23.6,25.5
1960,25.5,25.8,25.7,22.7,20.8,18.9,18,20.8,21.4,23.9,24.2,25.4
1961,26.9,27.1,26.7,24,22.7,19.8,19.4,19.1,22.1,21.7,23.4,24.5
1962,25.8,26.5,25.6,23.5,20.5,20,19.7,21,22.9,24.4,24.5,25.9
1963,25.6,25.7,24.2,22.7,20.1,18.2,17.9,20.1,22.7,23.3,24.3,25.5
1964,25.9,26.2,26.4,23,20.7,17.8,17.7,19.9,21.4,22.7,23.9,24.9
1965,26.1,26.5,25.1,22.6,20.7,17.4,18.9,20.7,21.6,21.2,23,25.4
1966,26.9,25.7,25.3,22.6,20.7,19.5,19.4,20,21.5,21.9,23.9,25.5
1967,26.4,25.8,25.2,23.8,21.8,19,17.9,19.7,21.5,22.7,24.2,25.2
1968,26.8,25.4,24.6,22.3,21.2,17.1,19.2,20.1,21.1,22.4,22.5,26.2
1969,27.5,27.6,27.2,23.2,21,19.2,19.4,20.3,21.4,23.1,24.5,25.4
1970,27.7,26,25.2,23.3,21.7,19.2,19.5,21.1,22.7,22.3,24.9,26.9
1971,26.6,25.6,26.2,24.4,20.8,18.5,19.2,20.3,21.9,22.3,23.2,25.3
1972,26.7,25.2,25.1,24.2,20.5,18,18.6,19.5,21.5,22.9,23.2,26.3
1973,26.5,26,26.8,22.8,21.5,20.1,19.5,19.8,21.5,22.9,23.7,24.5
1974,27.2,26.9,26.1,22.7,21.4,19,19.2,20.4,21.6,23.4,24.7,26.7
1975,26.2,25.6,24.5,23.3,21.8,19,18.5,19.9,22.4,22.3,23.4,25.1
1976,25.8,26.1,25.9,23.3,20.8,19.7,19.6,19.6,22.4,23.4,25.5,26.7
1977,27.4,26.9,24.8,24.8,22,20.1,19.4,20,22.8,24.1,24.7,26.8
1978,26.3,26.9,27,23.7,22,18.8,19.6,22.7,22.4,22.9,24.7,25.9
1979,26.5,27.7,26.1,25,22.3,19.7,18.8,21.1,21.6,24.2,24.6,25.8
1980,26.7,27.4,26.2,24.3,22.3,19.4,18.8,20.7,21.4,22.8,25.2,27.6
1981,28.2,26.5,25.9,24.2,21.1,18.7,19.3,19.5,21.1,21.3,24.7,25.6
1982,27.2,27.2,25.9,23.3,21.7,19.3,20.2,21,21.7,22.6,23.6,26.7
1983,27.6,26.8,26.5,25.8,23.3,21.1,20.2,19.9,23.1,23.1,24.6,26.2
1984,26.2,26,25.1,23.5,22.4,18.8,19.7,19.8,22.1,23.5,23.4,26.3
1985,27.5,27.1,26.6,24.4,21.4,20,19.9,21.3,23.1,24.3,25.2,26.2
1986,26.5,26.2,26.3,24.6,22.5,19.7,19.9,21.7,22.5,23.3,23.9,26.6
1987,27,28.5,27.2,25.4,23.8,19.4,19.8,20.6,22.1,22.2,24.4,27.2
1988,27.6,27.7,27.1,24.7,22.4,19.4,20.4,21.6,22.4,22.8,23.7,25.2
1989,26.2,26.2,26.6,23.9,22.6,19.9,19.9,22.4,22.2,23.4,24.4,26.1
1990,26.5,25.8,26.1,24.4,22,20,20.3,20.3,21.2,23.6,23.8,25.3
1991,26.7,26.5,26.2,24.7,22.2,19.7,19.7,20.5,22.7,23.4,24.7,25.4
1992,26.8,27.9,26.7,25.4,22.3,19.8,19.9,19.8,23.4,24.9,24.6,26.8
1993,27,26.7,25.7,24.8,23.2,20.2,20.7,20.8,23.3,23.5,24,26.3
1994,26.1,26.3,26,24.1,21.8,19.5,18.7,20.3,22.1,21.9,24.8,25.8
1995,26.9,27.2,26.2,23.6,21.9,19.3,19.8,21,22.7,24.1,24.6,25.2
1996,26.6,27,25.4,22.8,21.8,19.8,18.6,20.2,22.6,23.7,24.9,27
1997,27,26.3,26,23.3,20.9,20.3,19.6,21.2,22.8,22.8,24.1,26.1
1998,26.8,26.9,27.1,24.9,22.4,20.2,20.1,20.9,23,23.1,25.1,26.1
1999,27.2,26.2,26.9,24.7,22.3,20,20.5,21.1,21.8,22.7,25.4,27
2000,26,26.7,26.5,23.6,20.9,20.1,19.2,21,22.1,22.8,24,26.1
2001,26.7,26.3,26.1,24.2,22,20.6,19.4,21.6,21.8,23.4,24.1,26.2
2002,26.9,26.2,26.5,24.9,22.4,19.8,19.8,21.8,22.3,23.3,24.1,26.6
2003,27,28.3,27.1,25.3,22.6,19.9,19.1,20.1,22.1,23.8,24.7,27.1
2004,25.6,27.3,26.3,24.4,21.8,19.3,19.4,22.1,21.8,23.8,26.5,27.6
2005,27.4,27.8,25.6,24.2,23,20.9,20,21.5,23.2,24.1,25.2,25.2
2006,27.3,27.3,25.5,24.1,21,19.5,20.5,20.8,21.6,24.1,25.3,27.4
2007,27.2,27.6,26.1,24.7,22,20.1,19.3,21.1,22.7,23,24.6,24.9
2008,26.2,27.2,26,23.1,22.4,18.9,20.6,21.5,22.4,23.2,24.7,26.3
2009,27.1,26.5,25.4,24,22.4,20.9,19.4,20.9,22.9,23.3,23.1,26.7
