1901,27.5,30.6,33,34.1,30.9,29.3,28.8,28.6,28.3,28.6,27.5,26.1
1902,26.3,29.8,32.9,33,31.3,29.2,28.4,28,28.1,28,27.2,26.4
1903,26.9,29.2,33.1,34.5,31.4,28.3,28.5,27.4,28.1,28.3,26.3,23.7
1904,24.9,28.7,32.1,32.6,30.8,29.1,28.2,28.2,28.8,28.8,26.3,24.5
1905,27.2,30.2,32.1,33.6,31.1,29.2,28.5,28,29,28.7,27.6,27.5
1906,28,30.4,32.6,34.1,31.9,29.4,28.8,27.9,29.3,28.3,26.8,25.8
1907,26.6,29.8,31.5,33.2,30.7,28.6,27.9,28.1,28.2,28.5,27.4,24.5
1908,26.6,29.7,32.7,34.3,31,29.2,28.1,28,28.4,28.5,26.1,25.5
1909,26.4,29.8,33.1,33.5,30.4,28.8,28.2,27.8,29,29,27.1,25.1
1910,27.1,29.1,31.8,33.6,31.3,28.3,27.9,28,28.3,28.1,27.3,24.8
1911,26.5,29.1,32.1,33.9,31.1,29,28.1,28.3,28.8,28.5,28.2,26.4
1912,27.1,29.8,32.4,33.7,31.5,29.3,27.8,27.4,28.3,27.8,26.1,25.4
1913,26.9,29.9,31.7,33.1,30.5,29,27.6,27.6,28.2,28,26.2,25.1
1914,26.1,29.8,32.4,33.7,31.1,28.8,28.1,27.1,28.2,27.5,27.2,26.3
1915,27.1,30.8,32.5,33.6,30.3,29.1,27.7,27.8,27.9,28.9,26.9,24.3
1916,25.4,29.8,33.2,33.3,31.4,29,28.8,28.3,28.8,27.7,26.9,24.8
1917,26.2,29.2,31.8,33.1,31.5,28.3,28.5,27.9,28.1,27.9,27.5,25
1918,26.1,28.8,31.6,32.3,29.9,28.5,28.8,27.8,29.4,28.4,27.8,27
1919,27.7,30.3,33.7,34,32,29.2,28.3,28.7,28.2,28.5,27.2,25.9
1920,26.1,29.3,32.3,33.3,31.2,29.2,28.9,28.4,28.6,28.2,27.9,26.4
1921,28.3,29.3,32.7,34.7,30.8,29.3,28.1,28.2,28.7,27.7,26.5,25.6
1922,28.6,30.7,32.7,33.2,31.4,29.3,28.1,28,29,28.6,26.5,25.5
1923,28.5,28.3,33.2,32.8,30,28.6,27.7,27.5,28.6,27.8,27.5,26.4
1924,28.1,29.7,34.4,33.5,31.6,28.7,27.5,27.5,28.3,27.4,27.2,24.5
1925,26.7,28.7,32.8,32,30.8,29.4,28.5,27.8,28.9,27.4,27.1,25.1
1926,27.9,29.5,31.8,34.1,32.2,29.1,28.4,28.1,29.1,28.7,27.2,26.4
1927,27,29.1,32.6,32.6,30,29.2,28.7,28.1,28.4,27.7,27,26.6
1928,29.4,30.4,32.8,33.9,31.4,28.3,28.4,28.1,28.7,27.9,26.6,26.8
1929,28.7,29.7,32.5,33,30.9,28.5,28.6,28.1,28.7,28.5,26.9,26.6
1930,26.5,29.3,31.7,34.1,30.3,29,28.2,27.1,28.6,27.9,27.1,26.9
1931,27.3,29.8,32.3,34.7,33.4,30.1,29.1,28.7,28.4,27.2,26,26.2
1932,26,29.1,32.6,33.9,32.8,29.4,28.4,28.1,28.1,28.1,27.8,24.7
1933,27.8,29.9,33.3,34.3,30.8,28.7,28,27.2,28.2,28,26.3,25.2
1934,26.8,29.4,32.1,33.3,32.2,29,27.5,27.5,28.2,27.7,26.5,23.4
1935,28.3,29.9,32.7,33.7,32,28.7,28,27.4,28.8,28.5,27.7,27.5
1936,26.5,28.1,32,34,31.2,28.6,27.4,27.6,27.9,27,29.3,29.2
1937,28.8,30.3,33.7,34.1,30.1,28.5,27.8,28.3,28.5,28.9,29.5,26.1
1938,27.3,29.3,32.6,32.5,29.5,28.4,27,27.4,28,27.7,24.5,25.7
1939,26.6,28.7,30.4,31.4,30.6,27.9,26.1,26.5,27,28,26.5,23.1
1940,25.8,28.3,31,34,29.6,28.3,26.7,27.4,28,27.7,25.9,24.6
1941,27.9,29.2,33,34.4,31.6,28.5,28.6,27.9,28.1,28.3,27.5,27.4
1942,27.1,32.5,32.9,33.3,30.4,28.6,27.9,27.6,28.5,29.1,27.2,25.8
1943,26.7,27.9,33,32.6,31.6,28.8,28.6,27.8,28.6,28.6,26.6,25.1
1944,27,29.9,33.5,34.5,30.9,28.8,28.5,28.3,28.4,28.6,27.6,26.7
1945,28.6,29.8,32.5,34.6,31.3,29.2,28.5,28.1,29.1,28.1,28,24.8
1946,26.7,28.3,33,32.4,30.8,30.4,29.9,28.7,29,27.7,28.8,28.6
1947,29.2,31.1,33.9,32.6,33.4,29.5,28.4,29.5,29.2,28.8,28.1,27
1948,28,31.6,33,31.7,31.1,30.3,29,28.9,28.6,28.3,27.4,28.1
1949,27.6,30.2,34,32,31.4,30.3,28.6,28,28.6,28.8,27.4,26.8
1950,28.1,30.7,32.4,33.4,32.6,29.3,28.5,28.6,28.7,27.5,27,23.7
1951,24.8,29.1,32.4,34.3,31,28.3,28.2,28.2,28.8,28.2,28.2,25.1
1952,26.7,30.2,30.3,32.6,32.2,29,27.8,27.8,27.7,27.8,26.9,24.4
1953,26.1,28,32.3,33.4,29.9,29.2,28.1,27.6,28.4,28.6,26.8,26
1954,27.8,30,32.2,34.4,29.5,29.2,29,28.2,28.6,27.6,27.5,25.5
1955,26.5,29.6,32,32,31,28,27.8,27.4,28.3,28.6,26.8,25.1
1956,26.9,29.5,33.2,33.8,29.5,28.9,28.2,28,28.3,28.2,27,26.4
1957,28,29,33,35.2,33.4,28.9,28.1,28.5,28.4,28.5,28.6,27.6
1958,27.5,29.5,33.8,35,33.2,29.6,28.2,28.6,28.7,28.6,27.1,25.3
1959,27.3,30.8,32.6,35,32.1,29.8,28.2,27.6,27.5,28.4,28.6,28.8
1960,27,28.7,32.7,36.1,32.2,29.7,28.1,27.4,27.5,27.5,27.8,24.5
1961,25.4,28.8,31.9,32.6,30,28.8,27.7,27.7,27.4,27.6,27.1,25.9
1962,25.5,28.2,32.2,33.6,30.6,28.9,28.4,28.2,28.5,27.8,28.2,26.8
1963,25.7,29.8,32,33.2,33.3,28.6,27.3,28,28.9,27.7,27.6,25.2
1964,28.2,30,32.7,33.9,30.2,29,27.7,28.1,28.1,28,26.3,25
1965,26.2,29.7,32.3,34.1,32.8,28.4,28.8,28,28.1,27.4,26.9,26.3
1966,27.5,30.6,33,35.5,32,29.2,28.6,27.5,28.4,28.2,28,27.6
1967,27.1,29.4,32.2,33.3,31.2,29.8,28.7,28.1,27.5,27.8,26.9,25.2
1968,26.5,29.1,32.5,32.4,30.8,28.5,28.9,28.4,29,28.1,28.3,27.5
1969,27.4,30.5,33.5,35.1,32.2,29.3,28,27.4,29.1,28.8,26.5,25.6
1970,27.1,29.8,33.5,32.2,30,29,27.7,27.6,28.2,28,26.8,25.4
1971,25.8,28.7,31.2,33.6,30.9,28.2,27.1,27.1,28.5,27.1,25.6,25.2
1972,25.7,29.7,31.7,31.1,31.9,29.4,28.5,27.7,29.1,28.7,27,25.4
1973,26.8,30.2,31.4,34.2,30.2,29.3,28.3,27.8,27.6,28.7,25.6,24.7
1974,25.8,28.8,31.4,32.3,30.4,28.5,28.5,27.9,28.1,29.1,26.6,25.9
1975,25.6,29,32.6,34.4,31,29,28.3,27.7,28.4,29,27.6,24.6
1976,25.9,29.8,31.8,32.2,29.6,28.5,28.7,27,28.7,27.9,25,25.7
1977,26.1,26.5,29.3,31.7,28,28.3,26.8,26.8,27,26.4,24.7,25.1
1978,24.5,27.6,32.2,34.3,31.1,29.5,28.8,28.8,28.8,29.2,29,27.4
1979,29.1,31.6,33.9,34.5,32.4,29.9,29.9,28.1,29.6,28.4,28.1,26.7
1980,27.9,30.6,33.2,34.9,32.9,29.4,28.6,27.7,28.4,27.7,28.1,25.5
1981,26.3,30,33.3,33.8,30.4,28.1,27.5,27.9,28.9,28.5,26.6,23.7
1982,26,30,33.8,32.1,31.6,28.8,28.6,28.1,27.8,29.1,28.8,24.8
1983,26.9,30.9,34,36.8,33.6,30.2,30,28.8,28.8,28,25.2,24.6
1984,26.7,30.9,33.6,34.2,31.3,28.5,28.1,28.2,28.7,27.2,27.8,26.6
1985,28.2,30.6,33.8,33.7,31.2,27.9,27.6,27.8,28.8,28.5,26.2,25.6
1986,26.7,30.6,32.2,33.6,30.8,29.7,28,29,28.9,28.4,27.5,26.1
1987,26.6,29.2,32.4,33.8,33.2,29.2,29.1,29,29,29.5,28.3,24.4
1988,27.7,31.5,33.9,33.3,30.8,28.4,28.3,28.5,29.3,28.1,25.6,25.4
1989,28,30.4,32.1,34.8,31.3,28.6,28.3,28.5,28.3,27.5,27.1,25.1
1990,28.3,29.6,32.3,34.5,29.8,29.2,28,29.5,28.7,28.7,27.5,26.3
1991,29,31,34,34.2,33.6,29.1,29,28.5,29.5,28.8,26.8,25.8
1992,26.4,28.2,33,35.6,34.1,31.6,28.4,28.9,28.8,26.3,25.8,24.1
1993,25.9,29.3,32.2,33.1,31.9,29.9,30.1,28.3,29.5,28.7,28,27
1994,29.7,31.8,32.4,33.8,30.4,28.7,26.9,27,28.6,28.2,26.5,26.3
1995,28.3,29,33.9,35.3,31.9,30.4,28.6,27.4,29,28.4,26.7,24.7
1996,27.7,27.6,33.1,33.1,30.2,28.2,27.7,27.6,28.5,27.5,27.4,25.8
1997,27,29.3,32.1,31.5,33,30.3,29,28.6,28,28.3,27.6,27.8
1998,28.3,30.9,34.9,35.3,33.3,31.2,29.1,29.7,30,30.5,27.5,28
1999,28.2,31.1,32.5,31.6,28.6,29.3,28.3,28.1,27.6,28.3,27,24.5
2000,29,28.8,31,32.5,28.6,28.8,27.1,28.9,27.4,28.7,27.3,26.7
2001,28.5,30.6,31.5,35,28.7,28,26.9,28,27.7,27.3,25.6,26.1
2002,26.2,29.6,31.9,33.9,29.8,28.4,27,27.1,27.2,28.1,25.8,25.2
2003,25,28.7,30.8,32.8,30.6,27.2,28.1,27.6,28.1,28.4,28.1,25.7
2004,26.9,29,33.6,34.3,29.8,27.6,26.7,27.7,27.1,27.8,27.3,24.8
2005,27.4,31.5,32,34.4,32,29.3,29.1,26.9,27.5,28.1,27,24.6
2006,26.9,30.1,33.4,33.4,29.9,29.4,26.9,27,28.4,28,28.1,25.8
2007,26.2,29.3,32.5,33.8,28.9,29,27.5,27.9,28.2,27.6,25.5,26
2008,29.5,28.9,32.3,33.4,29.3,29,28.6,28.4,28.6,28.2,27,25.2
2009,26.5,31.1,32.1,33,30.8,28.6,28.4,29.4,29.6,29.2,28.2,26.5
