1901,29.1,27.2,26.9,23.9,21.7,18.1,17.3,19.8,23.5,24.8,26.7,28.4
1902,29.6,28.6,27.8,24.9,22.2,21.1,19.8,20.5,23.4,25.4,26.8,29.2
1903,30.3,29.5,27.4,25.4,21,19.5,18.8,19.3,22.5,22.9,24.7,28.6
1904,28.5,29.3,26.2,24,20.7,18.4,18.4,20,23,24.8,27.5,28.3
1905,28.5,27.7,27.9,24.5,21.3,20,18.3,20.1,21.8,23.4,27.2,28.6
1906,28.2,27.1,25.9,26.6,22.2,20.3,20,20.6,22.2,25,26.1,27.4
1907,26,26.6,25.7,24.7,21.3,18.8,18.4,20.3,22.9,25,24.8,26.9
1908,25.8,26.2,26.1,23.6,21.1,18.4,17.5,17.8,21.4,22,25.3,26.6
1909,26.7,25.9,25.3,23.9,21.6,19.4,17.2,18.9,21.3,25.1,25.6,27
1910,26.9,25.3,23.6,23.1,22.4,19,18.2,20.7,22.8,24,23.8,28
1911,25.8,24.8,25.4,24.3,21,18.8,18.8,19.2,22.8,24.2,27,29.6
1912,27.8,28.5,25.8,24.6,22,19.6,17.7,20.5,23.5,23.8,26.2,27.1
1913,26,25.8,26.1,23.3,19.4,18,18.1,19.7,21.5,24.4,27.2,26.4
1914,28.7,26.1,25.1,26.4,20.5,18.2,17.1,19.1,21.1,21.8,26.6,27.4
1915,26.7,27.6,27.2,25.7,20.4,20.5,19,20.1,24.3,25.7,29.7,25.6
1916,27.8,27.7,26.6,23.6,21.5,18.3,17.5,18.8,20,23.7,23.9,26.4
1917,27.4,25.4,25.5,23.5,20.3,18.4,19.7,17.5,20.4,23,23.5,24.6
1918,24.5,26.1,23.5,22.5,20.2,19.5,17.8,19.5,20.6,25,25.6,26.6
1919,28.4,27.4,27,23.1,20.1,18.7,18.1,18.7,23.1,23.9,25.6,26.8
1920,25.6,25.2,24.5,22.4,20.1,18.7,17.5,18.5,20,22.9,25.2,27.8
1921,24.3,25.7,24.2,24.1,21.1,19.3,19,18.4,20.5,22.7,26.8,26.3
1922,27.2,24.7,26.5,24.2,22,18.3,16.9,19.6,20.9,24.9,27.2,27.8
1923,28.4,27.8,25.1,22.1,23.3,20,17.5,18.2,23.2,24.4,25.4,28.8
1924,27.7,25.4,25.9,24.1,21.4,18.2,18.7,19.4,22.1,23.4,24.4,25.3
1925,25.7,28.5,24.3,23.2,20.7,18.5,18.4,19,21.1,23.6,24.1,26.9
1926,27,28.9,26.6,25.5,22.2,19.1,18.7,21.5,21.3,25.1,26.9,25.7
1927,25.2,26.3,25.5,24.2,21.4,18.8,19.3,19.2,22.2,23.5,25.4,24.9
1928,26.3,25.8,26.5,24.6,20.2,18.2,18.7,21.2,23.7,25.4,26.6,27.2
1929,28.6,26.2,25.6,23.5,20.1,18,17.7,19.8,20.8,23.4,25.4,28.9
1930,25.7,26.4,24.9,22.7,20.2,18.3,18.9,19.7,21.8,23.7,27.2,27.2
1931,29.8,26,25.2,23.6,21.9,20.2,19.3,20.2,22.4,23.4,24.4,26.1
1932,28.9,28.3,27.5,24.3,20.2,18.1,18.2,19.4,20.4,23.4,25.2,26.7
1933,28,27.7,26.7,23.4,21.1,18.5,17.7,18,21,24.1,23.3,25
1934,26,26.3,25.6,23.6,20.2,17.9,18.2,19.5,21.5,22.4,24.7,25.2
1935,27.4,27.8,25.6,23.8,20.8,18.9,17.9,19.1,20.9,23.8,25.9,27
1936,26.8,27.6,25,23.6,20.9,18.9,18.7,20.5,21.7,25.7,25.6,28.2
1937,27.5,26.5,25.8,23.5,21.6,18.3,18,19.5,23,24.5,24,27.3
1938,26.9,28.4,26.6,24.8,21.6,18.7,17.2,18.3,22,24.1,25.7,29.1
1939,28.8,27.5,26.1,23.3,21.6,19.2,17.4,19.9,20.8,22.2,25.1,27.3
1940,29.2,27.8,26.2,24.1,21.1,20.1,19,19.9,21.8,23.7,26.9,26.7
1941,25.3,26,25.8,22.9,21.1,18.9,19.1,19.2,23.5,24.7,26.6,27.9
1942,29.1,25.2,27.4,24.6,22.8,20.8,19.3,21.3,23,23,26,25.3
1943,27.7,27.1,26.8,24.2,21.7,18.2,18.4,18.3,22.1,24.1,24.3,26.8
1944,27.8,27.2,26,23.1,20.9,18.8,18.2,19.4,21.1,24,27.3,29.5
1945,27.8,28.2,27,23.6,21,20.2,18,20.4,21.5,23.7,26.4,27
1946,28.4,28.3,26.5,24,21.8,18.1,17.8,20.2,22.2,23.1,27.8,28.8
1947,27.8,27,26.1,23.6,21.4,19,19.2,20.1,21.4,23.8,24.4,27
1948,25.6,27.4,26.6,23.4,21.5,18.8,18.2,19.9,21.8,25.4,26.6,27.3
1949,27.2,28.2,25.6,22.8,20.8,18,18.4,19.2,21.1,24.6,25.6,28
1950,28,26.2,26.2,23.4,21.5,18.7,18.7,18.7,22,22.7,23.9,25.6
1951,24.8,26.3,26.6,24.2,20.7,19.2,18.9,19.2,22.1,24.2,27.1,28.1
1952,29.3,27.5,25.6,24.3,21,19.7,18.7,20,21.8,23.9,27.1,28.3
1953,26.9,26.1,26,25.6,21.6,20,19.5,19.6,22.1,24.2,27.8,29.6
1954,26.4,26.7,28.2,25.2,20.8,18.8,19.2,19.8,20.4,22.3,26,26.9
1955,27.9,28,26.7,24.3,20.5,18.8,17.8,20.8,21.9,24.8,26.5,27
1956,27.4,26.5,26.6,25.2,21.1,18.5,17.9,19.2,20.9,24.2,26,28
1957,26.8,27.4,26.2,26.1,22.1,20.7,17.4,19.9,22.6,25,28.3,29.9
1958,28,28.3,27.5,23.9,23.6,19.2,19.8,19.9,20.9,25.2,26.2,27.7
1959,27,27,26.5,24.2,20.5,18.8,18.3,20.2,21.4,22.3,24.4,27.8
1960,28.1,28,25.7,24.7,20.4,18.5,17.9,19.1,22.1,24.5,24.9,25.9
1961,25.7,26.3,25.7,23.9,20.6,19,18.3,19,21.6,24,24.7,27
1962,26.6,28.1,25,22.7,21.3,20.3,18.4,19.4,22,24.4,26.7,26.3
1963,26.8,27.9,26.1,24,21.2,18.5,17.3,19.9,22.1,22.4,24.2,25.6
1964,28.6,27.3,26.2,24.2,21,19.1,19.4,20.6,21.6,23.5,25.4,27.8
1965,27.2,26.7,27.6,24.4,21.9,18.8,17.5,19.2,23.2,24.7,27.1,25.8
1966,26.4,28.4,27,24.9,21.5,19.3,18.4,19,21.9,23,26.3,26.7
1967,27.2,26.5,24.3,23.3,20.4,19.4,18.1,18.9,22.3,25.1,26.8,26.4
1968,26.9,27,27.1,26.7,20.3,19,17.7,19.2,21.7,25,29.3,27.2
1969,29.3,27.7,26.6,25.3,20.8,18.9,19,20.7,20.5,22.6,25.4,28.3
1970,28.6,27.5,27,24.8,20.5,20.3,19.3,20.5,21.6,24.5,24.5,26.8
1971,27.7,26.5,25.4,23.6,21.8,19.1,18.2,20.1,21.9,25.2,25.6,26.6
1972,26.6,24.9,25.5,23.7,20.1,18.5,18.9,20.8,22.5,23.9,25.5,28.8
1973,28.4,27.2,27.7,25.9,23.1,20,18.9,20.5,22.8,24.7,27,27.6
1974,26.4,26.6,25.7,24.4,20.7,19.2,19.2,19.2,20.5,22.8,24.8,27.9
1975,27.6,26.9,26.4,23.8,22.4,18.9,19.7,20.1,21.5,23,25.8,26.2
1976,26.8,25.6,26,23.2,20.8,19.3,18.5,19.6,21.1,23.3,27.4,29
1977,28.3,27.6,26.7,24.7,21.7,18.9,18.4,21.2,22.5,25.4,26.8,28.3
1978,28.4,28.9,26.9,24.7,21.1,18.5,18.4,18.1,21.1,22.3,24.8,27
1979,27.6,26.8,26.4,25.2,20.7,19.7,19,20.3,22.2,23.8,26.9,30.2
1980,29.7,26.9,27.7,25.3,21.7,19.7,18.5,21.1,24.7,25.1,27.5,26.9
1981,27.6,27.8,27.2,25.1,21.2,18.8,18.9,20.4,23.6,23.6,24.3,28.3
1982,27.7,27.6,26.7,24.4,22.3,18.5,18.2,20.4,21.7,23.7,25.8,28
1983,27.6,28.8,27.4,23.7,21.4,18.4,17.7,18.9,23.5,23.8,24.8,25.8
1984,26.2,26.6,26.3,23.1,21,19.1,17.2,20.1,21.5,22.4,25.7,27.5
1985,28.8,27.1,25.5,23.7,21.1,18.4,18.5,19.3,21.6,23.5,24.8,28.4
1986,27.8,28.1,26.4,25.6,21.9,19.3,19.2,19.3,23.4,24.8,24.9,27.1
1987,29.9,27.8,26.1,23.7,21,19,18.7,20,22.4,23.9,25.4,27.7
1988,27,26,24.4,23,21.8,19.7,19.3,19.9,22.4,27.9,27.1,26.6
1989,27,25.5,25.6,23.9,21.5,18.3,17.8,19,22.6,25.9,24.6,26.2
1990,27.5,27.4,25.4,23.6,21.6,18.3,19.3,19.3,21.3,24.9,26.9,30.2
1991,28.8,27.9,26.9,25.2,21.8,21.3,19.1,21.5,23.9,24.7,26.5,27.6
1992,28.3,27.2,25.6,23,20.5,18.8,19.4,20.8,22.7,23.9,26.8,26.7
1993,28.9,28.4,25.7,23.9,21.7,19.5,19.1,20.9,21.3,24.5,25.6,27.6
1994,29.1,26.1,23.9,23.3,22,19.6,18.8,19.4,23.2,24.2,27.9,27
1995,27.6,26.2,26.7,23.7,21,18.7,19.4,20.8,22.7,24.3,27.5,27.2
1996,27.2,27,25.5,24.6,20.8,19.1,18.2,20.7,23.7,23.9,27.3,26.8
1997,25.9,28.2,26.3,24.2,20.7,19,17.8,20.3,22.6,24.1,27.2,29.4
1998,28.5,29.1,28.8,24.2,21.7,19.2,18.7,19.5,22.1,24.9,24.5,27.4
1999,27.3,26.1,25.9,22.6,21.2,18.1,18.3,19.2,21.8,24.4,24,25.4
2000,26.6,26.2,26.3,23.9,21.2,18.3,19.3,20.5,24.2,24.5,25.1,28
2001,28.3,27.2,27.1,24.2,21.2,20.1,19.4,20.6,22.3,25.6,25.7,29.8
2002,29.3,28.5,27,24.6,21.4,19.8,19.3,20,24.3,26.1,27.6,29.1
2003,28.5,26.7,25.7,23.1,21.4,19.6,18.4,20.2,24.9,23.8,25.6,27.9
2004,29.3,28.9,26.6,24.6,21.5,20.2,19.6,20.9,22.3,25.4,26.3,27.2
2005,28.1,28,26.4,24.8,21.4,19.5,19.6,20,22.6,25.7,26.7,29.2
2006,28.4,28.4,26.2,24.8,21.5,18.5,19.2,20.3,21.8,23.8,25.4,25.8
2007,27.3,26.8,26.7,24.3,22.5,17.8,18.2,20.4,22.2,25.3,25,26.9
2008,27.1,26.2,25.3,22.8,20.9,20,18,19.3,22.1,24,26,27.7
2009,27.9,27.4,26.7,24.1,20.5,18.3,18.6,21.8,23.8,25.3,27,27.7
