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