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