1901,28.6,25.4,25,23.5,18.4,15.4,15,15.9,17.9,21.4,25.7,26.4
1902,26,25.6,27.5,24.8,19.3,15.9,14.3,17,18.1,19.5,23.8,24.8
1903,29.3,26.4,25,19.7,18.1,16.1,13.7,15.8,16.5,18.6,22.1,24.1
1904,26.7,26.5,24.7,23.7,17.1,15,13.8,16.1,17.5,18.3,24.7,26.7
1905,26.9,25.7,24.5,21.1,17.5,14.2,14.7,15,17.6,19.3,23.6,27.7
1906,28.7,27.7,26.6,24.3,19.5,16.1,14,15,16.1,20.8,22.3,27.2
1907,25.3,27.7,24.1,22.6,19,15.6,15.1,16.4,18.2,19.8,22.2,25.1
1908,28.2,26.9,24.4,20.6,17.4,13.8,14.8,14.9,17.6,21,24.4,27.8
1909,26.5,26.8,25.3,20,17.8,15.6,14.1,14.6,18.2,19.7,23.1,27.8
1910,27.9,26.2,25.9,24.7,17.7,14.6,13.2,15.9,18.2,18.4,22.9,25
1911,28.2,26.4,23.9,23.1,17.6,15,14.5,14.9,17.4,20.2,25.8,25.3
1912,27.8,29.1,26.5,22.3,19.4,16,14.5,17,17.1,20.5,22.3,26.9
1913,25.7,27.2,23.9,22.1,18.6,16.3,15.5,15.4,18.4,19.7,24.2,24.5
1914,27.7,26.7,25.2,21.5,18.3,16.5,14.4,18.1,20.4,22.9,22.3,25.4
1915,25.9,25.5,24.2,22.3,18.3,17,15,15.7,16,20,24.9,26.7
1916,25.6,27.3,25.9,21.8,20.1,14.6,13.5,15.6,19.2,18.9,22.5,24.7
1917,26.4,25.6,22.6,20.8,16.5,15.2,14.6,14.9,16.3,18.4,22.2,23.9
1918,26.5,24.6,23.8,22.6,18.1,16.3,15.6,15.6,20,20.2,25.4,26.8
1919,27.8,27.5,27,21.8,18.6,16.3,16.9,15.9,17.5,18.9,23.2,25.2
1920,27.2,26.1,25.1,21.4,18.2,15.2,14.4,14.6,18.7,21.5,25.1,26.1
1921,27.9,30,27.8,22.9,18.7,17.1,16.3,16.9,18.1,20.3,22.9,25.2
1922,27.2,27.4,26.3,22.5,18.2,15.4,13.9,16,17.6,21.4,24.1,23.6
1923,27,29,26.8,22.6,18.6,14.7,14.9,16.3,17.2,20.5,25.8,25
1924,26.2,26.3,23.2,24,19.9,16.6,16.5,16.3,17.6,18.8,22.7,25.6
1925,24.5,24.7,24.2,22.3,18,15,14.4,15.5,18.1,18.8,25.7,27
1926,28.8,27.2,23.2,20.7,17.5,15.7,14.7,15.1,19.5,21.1,24.5,24.8
1927,26.5,26.3,21.9,23.6,18.1,14.9,14.1,16,17.9,20.4,25.4,26.4
1928,25.5,26,24.9,23,18.8,16.1,14.7,16.9,17.9,18.7,25.3,26.1
1929,26.2,26.8,22.9,22.1,16.9,14.7,14.1,15.3,18.9,20,22.1,25.8
1930,28.7,28.1,25.8,21.3,19.5,16.5,15.3,16.1,19,21.3,24.1,25.7
1931,27.5,25.3,25.1,21.5,15.9,13.6,14.6,15.8,17.5,20.2,21.6,27.2
1932,28.5,27.3,24.4,21.7,19.4,16,15.1,14.4,18.5,18.6,23.8,26.1
1933,26.6,30.3,25.5,23.1,18.5,16.2,14.9,15.2,18.8,20.7,23.3,26.4
1934,29.2,29.7,25.4,20,21.5,15.2,14.6,16.6,18.3,19.4,21.6,25.3
1935,26.8,26,23.8,21.8,19.8,15.3,14.9,15.7,17.7,18.7,24.2,25.4
1936,26.7,26.8,26.9,22.7,18,15.3,14.5,16.2,19.6,20.5,25.5,26.1
1937,26.6,27.8,24.7,23.5,18.4,15.7,15.4,15.4,18.6,21.6,23,25.4
1938,25.9,26.5,25.8,23,18.8,14.6,14.9,16.1,19.4,20.8,25.3,27.6
1939,26.4,26.7,25.3,22.4,18.3,15.6,14,15.1,18.2,19.9,21.6,26
1940,26.7,29,27.7,22,18.6,17.2,15.6,17.8,19.2,21.4,23.8,25.4
1941,27.5,27.3,24.6,22.2,18.7,16.2,15.7,17.6,16.7,19.1,24.6,27.8
1942,26.9,25.5,23.4,21.3,18.4,14.6,14.1,15.6,17.8,19,24.2,25.6
1943,26.1,25.2,24.7,19.4,17.7,16,13.3,15.1,17.3,19.8,23.1,24.6
1944,27.8,27.1,24.8,21.1,16.6,16.6,14.9,15.5,18.3,22.7,24.8,24.5
1945,26.6,26.2,25.2,24.4,19.1,16,14.8,15.6,17.1,20.9,23.3,26.2
1946,26.9,24.5,24,23.4,18.9,14.8,15.2,15.8,19.4,21.6,21.7,26.2
1947,27.4,26.9,24.8,21.3,18.2,16.8,14.7,15.7,17.5,18.7,21.6,25.5
1948,28.4,27,26.4,20.6,19.4,15.8,15,17.2,18.4,20.7,22.3,24.7
1949,27.1,26.2,24.7,24,18.1,16.4,16.2,17.2,17.6,19,21.9,26.5
1950,27.2,27.1,25.8,23.8,18.4,16.1,15.1,16.2,18.2,19.7,22.7,26
1951,26.8,25.8,25.3,20.1,16.2,14.8,13.9,13.7,18.7,20.6,24.4,24.7
1952,26.5,24.9,25.3,20.3,17.1,16.4,13.9,16.1,16.5,18.7,22.1,24
1953,27.1,26.6,25.7,22.2,18,14.8,14.2,14.4,17.9,19.8,22,24.1
1954,27.6,26.2,26.1,20.3,17.5,14.7,14.8,15.6,18.2,20.6,23.1,26.6
1955,26.6,25.9,24.9,19.4,15.9,13.2,13.9,14.5,17.1,18,22.1,24.1
1956,29.4,28,25.8,19.7,16.6,13,13.5,13.9,17.3,18.3,22.7,25.6
1957,28,27.2,25.2,21.6,19.2,16.1,13.9,16.3,18,22.4,25.2,26.5
1958,27.8,27.2,25.7,23,18.3,15.2,13,15.2,16.5,18.5,23.3,25.6
1959,28.5,25.5,26.1,22.6,19.5,16.4,17,17.4,16.8,21.1,23,23
1960,25.4,25.5,23.1,19.1,16.1,15.3,13.1,15.1,17,21.5,21.9,25.7
1961,28.8,28.3,27.3,19.9,19.4,16.1,14.3,15.9,19.4,22.1,24.3,25.8
1962,28.7,28,25.1,23.5,19.9,17.4,15.4,17.6,18.5,20.2,25.4,27.3
1963,27.1,26.1,25.4,21.8,18.4,16.1,14.4,16.2,19.2,24,24.6,28
1964,28.1,26.2,27.8,19.6,18.8,17,15,16,17.1,18.5,23,24.1
1965,30,28.7,26.3,24.1,18.5,16.1,15.4,15.2,18.5,22.8,22.4,28.5
1966,27.7,26.6,27.9,20.6,19.5,15.3,15.3,15.9,16.3,19.8,25.6,25.6
1967,28.8,27.4,25.1,23.8,19.1,17.9,15.2,15.7,19.3,23.3,24.9,27.3
1968,29.3,26.5,23.9,19.9,16.3,15.4,15.2,14.3,17.6,21.3,23.6,27.1
1969,29.4,27.4,25.9,21.9,18.6,17.2,16.4,16.6,15.3,22.4,26.1,25.5
1970,28.3,28.3,27.1,20.3,17.9,15.8,16.6,16.3,17.1,20.7,23.6,27.2
1971,28.4,28.5,25.6,22.1,17.6,16.6,15.8,14.8,17.7,20.4,20,23.6
1972,28.1,29.9,25.4,24.4,21.8,17.1,14.6,16.1,19.9,21.4,24.5,31.1
1973,28.9,28.4,25.8,22.3,19.5,14.7,15.8,15.9,17.3,20.4,22.6,26
1974,28.9,27.2,24.7,20.4,17.7,16.3,15.1,16.2,19.2,22,24.5,28.5
1975,27,28.8,24.8,20.4,18.2,16.4,16,15.9,18.3,19.4,23.7,27
1976,26.7,27.7,26.4,23.8,20.1,16.7,16.9,16.6,19.2,20.3,22.4,28
1977,29.2,29.1,26.8,22.6,17.1,16.8,17.1,16.8,17.1,20.8,24.8,29.4
1978,29.1,28,28.3,24.7,18.9,15.5,14.4,16.8,18.2,21.3,25.1,28.5
1979,29.9,27.4,26.7,22.8,17.6,16.4,16,15.4,16.9,22.5,24.2,29.2
1980,29.3,26,28.7,22.3,20.2,15.9,15.9,17.4,20.6,19.5,27,27.5
1981,27.2,26.1,26,25.6,18.7,14,14.9,15.7,20.9,23.8,22.8,26.2
1982,28.9,28.3,24.8,22.3,18.7,15.8,15.6,18.2,19.9,21.7,27.8,28.6
1983,29.9,29.5,24.7,23,20.8,17.3,15.6,18.3,19.8,22.5,21.4,25.8
1984,28.4,26.8,24.8,22.6,18.4,17.1,14.4,15.1,16.1,22.5,24.1,25.9
1985,28.8,31,27.8,22.3,19.7,18.2,16.1,15.8,19.1,20,24.6,24.9
1986,29.5,27,26.4,22.3,18.5,16.2,14,15,18.1,19.5,24.2,24.4
1987,27,27.9,27.1,24.1,17.7,17.1,15.8,16.2,20,21.5,23.1,26.4
1988,28.2,29.2,27.2,23.4,18.8,16.9,15.3,16.4,19.4,23.5,22.9,25.9
1989,29.4,29.8,26.1,21,18.9,15.7,14.9,16.3,19.7,20.3,25.7,27.6
1990,27,27.8,26.9,21.9,19.4,15.5,14.1,15,19.9,19.9,25.2,26.4
1991,28.4,28.7,26.6,24.6,20.6,16.7,16.1,16.4,19.2,23.3,23.9,27.2
1992,28.2,27,25.5,22.6,18.1,16.1,16.3,15.1,15,19.9,21.7,25.2
1993,29.8,26.5,25.3,23.1,18.1,14.7,14.9,16.4,18.2,20.2,24.1,26.9
1994,28.9,26.8,29.1,25,21.4,17.5,17.5,17.7,19.7,22.1,26,27.8
1995,28.6,28.4,26.8,22.3,18.6,15.5,15.9,18.2,18.4,22.2,24.2,24.4
1996,28.4,30.3,25.2,23.5,22,17.7,15.9,16.6,18.5,23.2,24.5,25.8
1997,30.8,30.3,24.7,22.7,18,17.3,15.9,15.8,17.9,21,23.9,27.1
1998,29.7,28.3,27.2,20.6,19.7,15.7,13.8,17.7,17.2,21,24.2,26.4
1999,26.9,27.4,25,24.1,20,17.2,16.5,17.1,19.6,20.7,23.3,25.5
2000,26.2,26.2,23.7,22,18.9,17.9,15.8,15.4,20.1,22.4,25.7,27.3
2001,27.9,26.3,25.3,24.1,20.2,17.7,16.1,16.2,18.3,18.3,21.9,23
2002,26.3,25,27.1,21.5,22.3,17.5,17.1,17.2,19.2,22.4,25,25.6
2003,28,27.6,27.7,22.5,20.5,16.3,15.2,15.4,17.9,20,24.4,27.1
2004,25.8,28.1,24.6,22.9,19,17.1,15.3,15.3,18.3,23.4,24.5,28.4
2005,27.8,27.6,28,22.4,20.3,15.5,15.9,16.4,16.6,19.2,22.7,26.5
2006,24.2,27.3,25.8,19.1,19.2,16.5,15.1,18.2,19.3,22,25.9,26.5
2007,26.4,28,25.3,22.1,18,16.1,17.1,17.4,19.3,20.7,25.2,23.4
2008,26.7,27.3,25.5,21.4,20.5,17.1,15,15.5,18.8,20.8,20.5,24.2
2009,27.5,27.1,24.6,22,19.2,16,15.3,16.6,16.5,21.3,25.2,26.6
