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