1901,27,27.9,28.9,31.2,32.8,34.7,35,34.9,33.6,31.2,28.5,27.7
1902,27,27.3,28.7,30.4,31.6,35,35.8,35.9,33.8,30.9,28,26.9
1903,27,27.8,28.9,31.3,32.8,34.9,35.3,35.2,33.4,30.6,27.3,27
1904,26.4,27.5,28.6,31.1,32.4,35.2,34.9,35.1,33.4,31,28.3,27.3
1905,26.9,27.3,28.5,31,32.8,34.9,35.1,34.7,33.3,31.6,28.8,27.8
1906,26.8,27.9,28.6,31,33.6,35.4,35.1,34.9,33.5,31.3,28.1,26.9
1907,26.5,27.7,29.3,31.5,33.6,35.4,34.9,34.6,33.2,31.1,27.2,25.7
1908,26.8,27.3,29.4,31.5,33.2,35.6,34.8,34.8,34.2,33,27.2,26.3
1909,25.7,26.8,28.3,30.1,32.5,34.1,35.4,35.1,33.3,31.3,28.3,27.7
1910,26.9,28,29.2,31.4,33.5,35.3,35.8,35.2,33,31,28.7,28
1911,27,27.6,29.2,31.1,33,34.9,35.2,34.8,33.2,31.8,29,28.5
1912,27.4,27.6,29.2,31.1,32.7,35,35.1,34.8,33.4,31.1,28.5,27.4
1913,27,27.8,28.5,31.2,33.1,35.2,35,34.9,33.6,31.2,28.3,27.3
1914,27.7,27.5,28.8,31.1,33.3,34.9,34.8,34.7,33.4,30.8,28.7,27.6
1915,27.3,27.7,28.9,31.3,32.8,34.9,35,34.9,33.4,31.2,28.6,27.6
1916,26.8,27.6,28.9,31.3,32.6,34.6,34.5,34.7,33.3,30.9,28.5,27.4
1917,27.1,27.5,28.8,31.1,32.4,34.7,35,34.9,33.3,31,28.6,27.6
1918,26.9,27.5,28.8,31,32.6,34.8,34.9,34.8,33.6,31.1,28.3,27.6
1919,27.3,27.7,28.9,31.1,32.7,34.8,34.8,35.2,33.4,31,28.3,27.5
1920,26.8,27.2,28.6,31.1,32.5,34.9,34.9,34.6,33.3,31.1,28.5,27.5
1921,26.9,27.4,28.6,31.5,32.8,34.9,34.7,34.5,33.3,31,28.4,27.8
1922,27.1,27.6,28.7,31.3,32.6,34.9,34.6,34.4,33.2,31,28.5,27.6
1923,27.4,27.4,28.8,31.1,32.5,34.7,34.7,34.3,33.4,30.9,28.3,27.6
1924,27.2,27.7,28.9,31.2,32.8,34.8,34.6,34.7,33.3,31.1,28.4,27.6
1925,26.6,27.2,28.9,31.2,32.8,34.9,34.9,34.8,33.4,31,28.4,27.7
1926,27,27.6,28.6,31.3,32.8,34.9,34.8,35,33.5,31.1,28.2,27.5
1927,27.1,27.6,28.8,31.2,32.9,35,34.8,34.9,33.3,31.2,28.4,27.8
1928,27.4,27.6,29,31.4,32.8,34.9,34.9,34.8,33.6,31.2,28.4,27.7
1929,27,27.7,28.9,31.3,32.8,34.8,34.5,34.7,33.4,31.1,28.5,27.2
1930,27,27.8,28.7,31.1,32.8,34.9,34.8,35,33.5,31.2,28.5,27.8
1931,27.2,27.8,29,31.4,32.7,35,35,34.6,33.4,31.3,28.5,27.6
1932,27.2,27.6,28.9,31.3,32.7,34.9,34.6,34.7,33.3,31.3,28.6,27.6
1933,27.4,28,29.1,31.1,32.9,34.8,34.8,34.7,33.3,31.2,28.7,27.9
1934,27.1,27.5,28.9,31.5,32.8,34.6,34.8,34.7,33.4,31.2,28.7,27.4
1935,27.4,27.6,29.2,31.2,32.7,34.8,35,34.8,33.3,31.2,28.3,27.7
1936,27.1,27.9,29,31.3,33,34.8,34.9,34.7,33.4,31.2,28.8,27.7
1937,26.9,27.7,28.8,31.2,32.6,34.8,34.7,34.8,33.5,31.3,28.2,27.7
1938,26.9,27.8,28.7,31.8,32.9,34.6,34.5,34.5,33.2,30.9,28.5,27.6
1939,27.1,27.4,28.9,31.2,32.6,34.8,34.9,35,33.5,31.1,28.5,27.8
1940,26.9,27.4,28.4,31.4,32.7,35,34.8,34.9,33.6,31.3,28.5,27.8
1941,27.1,27.7,28.8,31.3,32.7,34.5,35.1,34.5,33.1,31.1,28.5,27
1942,26.9,27.9,28.4,31.4,32.2,34.9,33.9,34.1,32.8,30.5,28,27.4
1943,26.4,26,27.8,29.8,31.2,33,33.6,33.6,32,30,28.2,27.5
1944,27,26.6,28.1,30.5,32.2,34.9,33.5,34.4,32.7,30.6,26.9,27.3
1945,26.8,25.7,27.6,30.8,32.2,34.3,34.2,34.2,32.7,30.2,27.8,27.1
1946,26.8,27.7,27.9,30.4,32.8,33.8,34.5,34.3,33.5,31.6,28.6,27.8
1947,24.7,24.7,25.7,29.4,32.9,35.9,35.7,35.5,32.6,28.1,26,28
1948,27,25.4,30.3,28.7,31.7,33.1,34.6,33.9,32.4,29.3,26.1,26.1
1949,23.8,24.7,26.2,28.5,30.1,32.6,33.4,33.5,31.8,29.1,25.1,24.2
1950,24.5,24.1,25.9,28.3,30.8,32.5,32.7,33.3,32,28.7,25.3,24.4
1951,25,25.4,25.9,29,31.2,33.7,34,32.4,32.3,29.9,27.3,26.1
1952,25,25.6,26.8,28.8,30.7,33.5,32.4,32.5,31.4,30.1,26.6,25.5
1953,25.1,25.6,26.9,28.5,31.2,33,32.6,32,31.8,29.5,26.8,25.7
1954,25.9,26.2,26.2,28.7,31.2,33.4,32.7,30.8,32.3,28.8,26.4,25.6
1955,24.8,25.4,28.8,30.5,33.1,35.3,34.1,34.4,34.6,31.7,28.4,26.5
1956,25.1,25.4,27.7,30.6,32.3,33.2,32.7,31.5,32.8,30.4,27.6,26.2
1957,25.6,25.3,29.6,30.4,32,34.9,34,33.1,34,32.6,31.2,29.7
1958,29.2,28.1,29.4,32.8,33.2,34.6,34.1,34.4,34.1,32.5,29.2,29.7
1959,30.5,26.7,30.8,33.2,35.5,34.6,33.8,34.9,33.6,34.5,28.8,27.4
1960,26.4,27.9,31.6,31,32.9,34.7,33.9,34.3,34.1,31.4,29.4,27.7
1961,27.4,27.7,28.5,30.7,32.6,34.3,33.1,33.2,33.1,31.1,28.1,27.2
1962,26.3,28.1,28.8,31.4,32.7,33.4,34.5,33.7,32.9,31.3,29,28.3
1963,27.3,28.2,28.3,30.3,32,33.8,33.9,34.3,32.9,31.5,28.6,27.2
1964,26.1,26.9,28.7,30.5,30.8,33.3,33.2,32.7,33.5,30.2,29,28.9
1965,29.4,27.5,30.5,30.2,32.2,34.1,33.9,33.7,33.1,30.8,28.5,26.9
1966,26.8,27,28.2,30.8,32.2,34.7,34.6,33.6,32.9,31,28.6,26.4
1967,26.8,27.5,28.6,30.7,32.7,34.5,35.5,34.7,33.6,31,26.7,27.1
1968,25.8,25.4,26.8,29.4,32.2,34.6,35.5,35.9,33.1,33.4,28.4,28.4
1969,27.1,27.1,30,31.7,32.9,34.2,35.1,34,33.3,30.7,28.1,27.8
1970,27.3,28.2,29.8,32.2,33.1,35,34.8,36.3,34.1,30.9,27.7,26.4
1971,25.5,25.8,28.5,31.7,34.5,36.5,34.6,34.8,32.4,31.5,28.2,26.9
1972,27.2,27.9,29.2,30.8,33.1,35.6,35.5,34,33.2,30.9,28.8,28
1973,27.4,29.1,30,33.5,33.3,35.1,36.4,35.4,33.6,31.8,29.4,27.8
1974,27.7,28.1,28.5,32.3,33.9,35.2,36.7,36.1,34.1,33.2,30.3,29.6
1975,28.2,29.7,30.7,31.4,34.2,37.4,35.4,34.5,34.1,32,31.5,30.6
1976,30.2,29.8,29.9,32.6,33.5,34.8,36,35.2,34.2,32.7,28.9,28.9
1977,28.5,28.8,31.4,33.6,33.4,36.6,35.4,35.5,33.8,30.9,29,29.3
1978,29.4,28.4,29,32.9,34.5,35.8,33.2,34.4,32.5,30.7,27.5,26.7
1979,26,27.2,28.2,31.5,32.5,35.1,35.2,34.2,33,30.9,28,27.3
1980,26.9,27.8,28.6,31.4,33.5,35.6,34.9,34.4,33.3,30.6,28.6,27.4
1981,27.6,28.1,28.4,31.3,33.1,34.7,35.4,35.4,33.8,31,28.1,27.8
1982,27,27,28.3,30.2,32.1,33.6,34.4,35.4,33.2,29.8,27.3,26.8
1983,25.3,26.3,28,30.7,32.9,34,35.2,36.3,34,30.5,27.7,26.5
1984,25.5,25.9,27.5,30.6,31.5,35.5,34.4,34.3,32.6,29.9,27.6,26.4
1985,26.9,26.5,28.4,31.1,32.7,33.7,35.7,36.7,34.6,31.3,28.7,27.2
1986,26.5,27.1,29.3,30.4,31.2,35.9,34.5,34.7,32.5,29.2,26.7,24.7
1987,24.6,25.6,27.1,29.4,30.8,34.4,32.5,35.8,33.4,29.7,27.4,29
1988,26.5,28.2,28.7,31,33.1,35.1,35.5,36,35.1,31.1,27.7,27
1989,26.2,27.2,28,29.3,33,34.5,34.7,34.7,33.4,31.1,29,27
1990,26.2,27.4,28.3,31.4,33.8,35.1,35.1,34.3,34,31.7,28.8,28.5
1991,25.1,27.9,26.3,32.5,32.9,34.8,34.8,35.5,32.7,31.4,28.2,27.3
1992,25.6,26.3,28.2,31.2,32.8,34.8,34.8,34.2,33,29.8,28.6,28.1
1993,27.3,26.8,29.3,30.3,32.3,35.7,33.5,33.1,33.7,31.7,28.5,27
1994,27,27.1,28.9,32.8,33.3,35.5,35.3,34.9,33.2,30.7,27.7,27.9
1995,27.2,28,29.4,31.3,33.5,34,34.9,35,33.9,31.6,28.7,28.2
1996,27.7,28.3,28.8,33.4,33.6,33.7,35.4,35.2,34.2,31.4,28,28.1
1997,27.4,27.3,28.9,30.8,32.7,35,36.3,35.7,34,31.1,29.2,28
1998,27.2,28.9,30.5,33.3,34.1,36.7,36,35.6,35.2,31.3,29.6,28.9
1999,28,28.8,28.7,32.1,34.1,34.6,35.2,34.9,34,30.6,28.7,27.9
2000,27.4,28.9,28.7,32.4,33.4,35.8,35.7,35,33.5,31.1,28.7,27.9
2001,27.2,28,29.4,32.9,33.3,34.7,35.9,34.5,33.8,32.3,28.9,28.9
2002,26.6,27.8,29.2,32.5,34.3,35.3,36.1,35.8,34.2,30.7,29.3,29
2003,27.6,29.5,29.5,33.3,35.1,36.4,35.4,35,33.6,31.8,29.7,27.9
2004,28.2,28.1,29.6,31.5,33.3,34,35.9,34.9,33.7,30.5,29,28.5
2005,27.8,29.1,29.6,32.7,32.6,34.8,34.7,35.4,34,31,28.6,27.4
2006,27,29.2,29.2,31.6,34.6,35.1,34.7,35.3,34.1,32,29.2,27.1
2007,26.5,29,30.7,32.4,33.8,35.2,34.8,35.5,34.4,31.4,28.5,27.4
2008,27.2,26.6,26.8,31.4,33.6,34.7,35.3,35.7,34.8,31.4,28,27.9
2009,26.8,29,29.2,33.3,33.4,36.2,35.3,36.1,34.3,31.9,29.1,28.6
