1901,26,26.3,25.2,22.9,21.4,19.1,21,20.9,20.9,24,23.6,23.5
1902,26.2,27.6,26.5,24.9,23.1,21.7,22.1,19.6,22.1,22.9,25.9,25.6
1903,25.2,27,27.5,23.5,20.8,21.4,19.7,21.3,21.3,22.3,24.4,25.5
1904,25.9,25.9,26.7,23.7,19.9,18.7,20.4,21.2,21.8,22.6,24.3,24.2
1905,25.7,26.8,24.9,24.1,22.4,20.2,20.2,21.3,21.8,25.5,24,25.1
1906,25.9,25.6,25.3,23.9,23,21.1,20.7,22.3,20.6,23.9,24.2,24.6
1907,25.8,26.5,26.8,24.3,19.7,20.2,19,20.2,22.2,22.5,23.9,25.5
1908,26,25.8,25,23.9,21.5,20.7,21.1,19.7,21,22.6,24.2,24.8
1909,26.9,27.7,24.9,23.2,19.8,19.8,21.1,21.4,20.9,22,24.1,22.9
1910,27.4,26.4,26.3,25.3,19.8,21.4,19.1,21.9,20.7,21.4,23.2,23.5
1911,27.2,25.9,24.5,23.4,21.3,17.6,17.8,20.5,21.1,22.1,25.7,25.7
1912,26.7,27.5,26.6,24,23.1,21.4,18.8,22.5,19.2,21.8,25.5,24.6
1913,25.8,26.7,27.1,25.1,22,19,21.6,21.3,21.9,23.1,23.9,23.3
1914,27.7,27.7,28.1,24.3,21.2,23.8,22.8,22,23.6,24.4,26.6,24.1
1915,27.6,28.2,26.7,26.4,25.2,20.6,21.2,23.2,21.8,22.7,23.1,25
1916,26.9,25.4,26.1,23.7,23.9,22,19.9,21.4,22.5,22.2,24.4,24
1917,26,26.1,25.4,22.9,20.1,18.5,19.3,19.2,22,23.1,21.6,24.2
1918,26.2,26.4,26.1,23.3,22.1,19.4,19.3,19.6,20.3,22.5,24.7,24
1919,25,25.9,26.3,25.5,25.2,22.7,21.1,21.7,18.6,22.8,24.3,24.8
1920,27,26.8,26.9,24.8,22.2,20.5,20.5,19.6,21.4,23.6,25.3,24.4
1921,27.1,27.3,27.4,24.2,22.1,19.6,19.3,22.8,20.9,22.1,23.7,24.7
1922,27.1,27,26.4,25.2,22.5,21.2,21.1,23.6,22.2,21.9,24.2,24.1
1923,27.1,26.8,26.7,26.5,21.4,20.7,18.8,22.1,21.6,23,24.6,26.3
1924,25.5,25.7,27.6,25.5,22,21.2,20.7,20.8,21.4,20.8,23.9,24.3
1925,27,27.3,25.5,25.8,23,19.3,18.5,23.8,22.6,22.1,24.1,25.5
1926,26.9,25.7,26.9,24.9,21.6,22.3,20.6,22.1,22.9,23.6,25,24.6
1927,26.9,26.7,27.1,25.4,21.7,19.7,20.6,20.6,21.2,23,24.8,24.7
1928,27,27.5,26.8,26.9,22.6,21.3,20.8,21,21.6,23.5,24.5,25
1929,26.9,27,25.8,23,20.9,20.9,21.3,22.1,22.2,24.5,23.1,25.3
1930,27.7,27.3,27.7,24.8,23.1,23.2,21.1,22.2,21.6,23.2,24.2,24.4
1931,27.9,26,26.4,25,21.4,19.9,20.8,21.1,20.2,23,23.9,25.8
1932,26.1,27.7,27,26.4,22.1,20.1,22.6,20.7,22.6,24.7,25.3,25
1933,26.5,27.7,26.3,23.6,22.5,20.1,19.4,22.4,21.8,23.8,23.6,23.4
1934,26.8,27.4,27.8,25,23.8,22.8,20.1,22.4,21.8,22.6,25.3,24
1935,26.4,26.9,27.6,23.7,20.3,22.6,22.3,21.3,21.4,23,24.3,26.2
1936,27.8,26.2,26.4,24.3,25.4,23.8,21,20.1,20.6,24.1,24,24.9
1937,24.6,27.2,26.3,23.8,21,21.8,21.3,23.7,21.1,22.7,23.2,23.1
1938,27.5,26.7,28.4,23.9,22.5,21.7,20.1,21.7,21.3,23,24,23.9
1939,27.2,26.7,27.5,25,23.4,21.3,19.9,22.4,21.3,23.4,24.2,24
1940,26.8,26.4,28,25.9,24.6,22.8,22.5,23.2,22,23.4,24.2,27.9
1941,28,27.8,27.1,27.1,24.2,21,20.6,24.3,19.8,23.2,24.6,24.7
1942,27,28,27.4,25.1,22.4,20.6,18,22.4,22.3,24.4,25.5,24
1943,26.5,27.6,28.4,23.1,23.1,22.1,21.8,20.4,21.6,23.2,24.6,23.8
1944,28,26.8,27.8,24.4,22.6,22.3,19.2,22.9,22.9,26.1,23.2,25
1945,26.7,28.3,26.3,25.5,21.9,19.8,20.8,23.7,21.6,24.8,24.4,23.9
1946,25.9,28,25.8,22.9,23.7,21,19.2,23.2,23.5,24,24.5,24.6
1947,27.7,27.7,25.1,24.7,23.3,22,18.9,20.5,21.1,20.9,22.4,22.9
1948,28,26.7,25.2,24.8,22,21.5,22.1,20.2,21.9,22.9,24.2,24.4
1949,26.6,26.3,27.6,23.2,21.4,21.6,20.6,21.4,21.6,22.1,23.6,24.3
1950,25.5,26.2,26.6,24.9,23.9,21.5,20.7,23.2,22.4,22.7,23,24.8
1951,26.4,26.6,25.9,22.1,22.3,20.7,19.3,20.9,22.9,23.6,24.1,23.1
1952,27.1,26.3,27.7,23.2,22.4,20.8,21.4,24.2,21.5,24.4,24.9,24.5
1953,28.2,26.5,27.9,23.6,23.2,21.7,18.6,22.9,23.5,24.4,24.3,24.5
1954,28.6,28.2,27,24,22,22.1,21.7,22.7,23.4,23.6,25.2,25
1955,27,28.8,27.6,25.2,21.7,21.1,20.6,21.4,22.6,22,22.7,24.4
1956,29.1,27.2,25.9,23.7,19.8,18,19.6,20.2,23.3,22.7,22,23.7
1957,26.8,25.7,26.3,23.8,22.1,20.8,20,22.3,20.8,24.9,24.3,25.4
1958,27.7,28.2,26.1,23.9,21.5,21.5,21.7,24.1,21.9,23.9,26,25.7
1959,27.5,27.5,26.1,27.6,22.9,20.5,23.3,22.4,23.2,24.6,24.3,24.6
1960,25.9,25.3,26.4,24.2,20.3,21,22.1,22.6,22.8,25.3,24.3,25
1961,26.8,27,25.9,25,22.2,21.2,22.2,24.3,24.2,25.6,25.8,24.9
1962,25.7,26.5,26.7,24.1,21.3,19.1,19,21.6,22.1,21.7,24.5,23.7
1963,27.8,26.4,27.5,24.7,22.2,20.4,22.2,24,24.7,24.3,25.5,24.2
1964,26.5,26.3,26.6,25,21.3,19.7,18.7,21.9,22.7,22.9,23.5,23.8
1965,25.6,27,25.2,24.8,21.9,21.6,21.1,23.4,23.5,24.1,24.6,25.4
1966,27.6,28.4,27.2,24.4,22.4,22.4,22,21.1,21,23.6,24.1,25.3
1967,26.4,26.9,26.1,25.2,24.1,21.2,21.3,24.8,23,25.6,23.7,23.3
1968,26.7,25.9,26.6,22.9,20.7,20.6,20.3,20.5,21.7,23.2,25.5,26.3
1969,27.9,27.8,27,23.9,22.7,21.4,21.1,22.3,23.2,21.9,24.5,23.5
1970,26.7,27.4,27.1,25.1,23.9,22,20.4,21.1,20.8,23,23.1,26.3
1971,28.6,27.5,27.5,23.8,21.3,19.6,19.9,21.8,22.3,22.8,23.1,25.2
1972,27.4,26.5,27.1,23.4,23.1,23.3,20.2,22.1,22.2,23.7,24.3,24.9
1973,28.1,28.8,26.2,27,22.4,22.2,21.7,20.8,20.9,23.5,23.2,25.8
1974,26.8,28.2,27.2,24.6,22.9,20.7,22.7,23.1,22.8,24.2,25.9,24.8
1975,27.5,28.8,28.2,24.8,22.8,21.3,20.1,25,24.2,24.6,25.7,26.8
1976,28.1,26.8,28,24.8,22.9,21.4,20.7,21.6,21.5,23.1,25.2,25.5
1977,27.7,29,27.9,24.5,23.9,21.9,24.6,22.9,23,24.9,24.7,24.1
1978,27.8,27.8,27.3,24.5,22.4,20.6,22.4,23.8,21.7,25.4,25.3,25.2
1979,24.9,27.3,25.9,24.3,22.7,21,20.3,23.3,21.9,25,24.1,25.2
1980,26.5,27.8,29.3,25.7,24.8,21.6,22.3,23.4,20.2,24.6,25,26.5
1981,28,29.2,28.3,24.5,25.2,21.8,19.7,22.6,23.3,22.8,25.9,24.6
1982,25.9,28,26.1,23.9,22.4,23.2,22.2,23.1,22.8,24.2,25.3,24.2
1983,27.4,28.1,26.4,25.6,24.2,22.5,22.3,22.4,19.7,23.5,26,25.6
1984,30,29.9,26.8,24.2,24.7,22.4,22.6,20.5,21.6,25.1,24.6,24.2
1985,25.8,27.8,27.4,26.5,22.7,20.3,21.1,23.6,22.2,25.1,25.9,26.2
1986,29,28.3,27.1,26.1,24.3,21.3,20.9,22.6,21.6,24.1,26.2,25.2
1987,28.6,27.4,26.9,26,22.4,20.9,24.2,22,21.8,24,25.2,25.7
1988,29.4,26,27.7,25.2,21.5,19.9,18.9,23.1,23.3,23.6,24.9,25.4
1989,27.4,27.3,26.8,26.1,22.2,21.1,19.9,21.9,21.7,22.5,24.8,24.2
1990,27.8,28,28.2,27.2,21.5,21.1,18.7,20.5,21,25.3,26.4,26.1
1991,26.5,27,26,25.6,23.6,22.7,20.9,23,22,25.2,25.5,26.2
1992,27.9,28.4,27.3,25.5,24.2,24,20.6,20.8,22.1,25.3,24.9,26.7
1993,28.2,28.4,28.2,27,23.4,21.4,22.3,21.4,22.2,25.6,27.2,26.6
1994,27.2,30,27.4,25.5,23.8,20.9,22.9,21.5,22.1,25.7,25,27.4
1995,29.4,27.9,27.6,26.2,22.6,22.1,23.9,25.4,22.6,23.6,25.5,26
1996,28.6,28.2,27,26.2,22.4,21,19.8,21.9,21.7,24.6,24.8,26.5
1997,27.7,28.4,26.8,25.4,23.2,21.5,22.6,23.6,24,24.9,26.3,27.2
1998,29,28.8,28.1,26,22.9,20.9,22.1,24.5,22.8,24.1,24.9,26.4
1999,28.2,28.4,28.4,24.7,22.3,21.1,22.2,22.9,22.9,22.7,23.6,26.1
2000,27.8,27.5,26.8,25.8,23,23.3,20,22.5,22.3,26.9,25.6,26.3
2001,29.1,29.2,29,27.6,23.1,22.2,22.4,24,22.9,25.2,26.3,25.7
2002,28.1,27.2,29.4,28.2,24.9,24.5,23.1,24.9,22.3,27.7,26.5,26.9
2003,28.4,30.3,28,26.6,23.1,24.1,22.9,21.4,22.7,24.8,25.7,26.1
2004,27,27.2,26.8,26.7,22.1,21.8,21.4,23,25.4,24.1,25.5,25.3
2005,27.7,27.8,27.5,27.5,25.1,24.2,22.2,24.8,22.7,25.7,25.5,25.1
2006,29.2,28.6,28.3,25.7,22.2,22.5,23.6,24.3,22.6,25.3,25.7,26.8
2007,28.1,28.8,29.2,27.2,22.6,23.6,21.6,23.7,24.9,26.2,25.2,26.5
2008,26.9,27.8,27.5,25.9,22.9,21.9,22.9,24.1,22,25.4,25.2,25.3
2009,27.3,28.8,28.9,26.1,24.5,20.8,21.8,23.4,23.9,24.7,28.2,26.6
