1901,28.9,31.9,33.9,35.2,31.5,29.2,28.8,28.5,28.7,29.7,29,28
1902,27.5,31.1,33.8,34.2,31.9,29.2,28.3,28,28.5,29.2,28.7,28.2
1903,28.2,30.2,33.9,35.4,32.3,28.3,28.3,27.5,28.5,29.4,27.7,25.4
1904,26.2,29.5,33.1,33.5,31.6,28.9,28.1,28.2,29.2,29.8,27.8,26.3
1905,28.3,31.1,33.1,34.8,31.9,29.1,28.5,28.1,29.3,29.8,29,29.6
1906,29.6,31.6,33.7,35.3,32.9,29.3,28.8,28.2,29.7,29.4,28.2,27.7
1907,28,30.9,32.5,34.3,31.3,28.6,28,28,28.6,29.6,28.8,26.3
1908,27.9,30.7,33.6,35.3,31.6,29,28.1,28.1,29,29.6,27.5,27.5
1909,27.9,30.9,34,34.6,31.2,28.8,28.1,27.9,29.3,30.1,28.4,26.7
1910,28.4,30.1,32.7,34.4,31.9,28.4,28,28.1,28.6,29.2,28.7,26.5
1911,27.8,30.1,33,34.8,31.8,28.9,28.1,28.4,29.2,29.6,29.6,28.3
1912,28.3,30.9,33.4,34.8,32.2,29.3,27.9,27.5,28.7,28.9,27.5,27.2
1913,28.3,31.2,32.8,34.2,31.4,29,27.6,27.6,28.7,29.1,27.6,26.8
1914,27.2,30.9,33.2,34.6,31.8,28.6,27.9,27.3,28.6,28.6,28.8,28.1
1915,28.4,31.8,33.4,34.3,31,29.2,27.7,28,28.4,29.8,28.2,25.9
1916,26.5,30.9,33.8,34.4,31.9,28.7,28.6,28.4,29.2,29,28.4,26.8
1917,27.5,30.5,33,34.3,32.2,28.3,28.4,28,28.7,29.1,29.1,26.9
1918,27.4,29.8,32.6,33.4,30.6,28.5,28.8,27.9,29.7,29.6,29.3,28.8
1919,29,31.4,34.3,35,32.6,28.9,28.3,28.8,28.8,29.7,28.8,27.8
1920,27.3,30.4,33.4,34.3,31.9,29.1,28.7,28.4,29,29.3,29.3,28.2
1921,29.2,30.4,33.5,35.5,31.3,29.1,28,28.2,29,28.9,28.1,27.5
1922,29.6,31.6,33.3,34,32.1,29.2,28,28.1,29.4,29.8,28.1,27.3
1923,29.5,29.1,34,33.6,30.8,28.6,27.4,27.4,28.7,28.8,28.7,28.1
1924,29.2,30.6,34.9,34.3,32.2,28.7,27.3,27.5,28.4,28.5,28.8,26
1925,27.9,30,33.6,32.9,31.6,29.2,28.5,27.9,29.3,28.7,28.7,27
1926,29.1,30.7,33,35,33,29,28.4,28.2,29.4,29.9,28.8,28.3
1927,28.2,30.4,33.4,33.6,30.7,29,28.6,28.1,28.8,29,28.7,28.3
1928,30.5,31.5,33.6,34.6,31.9,28.2,28.4,28.1,29.1,29.1,28.3,28.6
1929,29.8,30.7,33.4,34,31.6,28.3,28.5,28.2,29.2,29.6,28.5,28.5
1930,28.1,30.5,32.6,34.9,31.1,29,28,27.4,29,29.2,28.8,28.7
1931,28.8,30.9,33.2,35.4,33.8,29.8,29,28.7,28.8,28.4,27.8,28.1
1932,27.4,30.3,33.4,34.7,33.3,29.2,28.4,28.1,28.6,29.2,29.3,26.6
1933,29,30.9,34,35,31.8,28.6,27.9,27.3,28.7,29.2,27.8,27.2
1934,28.3,30.6,33,33.9,32.6,29,27.5,27.6,28.6,28.8,28.2,25.3
1935,29.6,31,33.6,34.6,32.2,28.7,27.8,27.4,29.1,29.8,29.2,29.3
1936,28,29.3,33,34.7,32,28.4,27.3,27.8,28.5,28.4,30.8,30.9
1937,30,31.4,34.5,35,30.7,28.6,27.6,28.4,29,30.1,31,28
1938,28.7,30.4,33.6,33.3,30.3,28.4,27.2,27.5,28.4,28.9,26.3,27.5
1939,28.2,29.7,31.7,32.9,31.3,28.1,26.3,26.8,27.7,29.1,28.5,24.9
1940,27,29.6,32.5,35,30.9,28.4,26.8,27.5,28.6,29.1,27.6,26.5
1941,28.7,30.1,33.6,35.4,32.8,28.6,28.3,28,28.5,29.4,28.9,28.8
1942,28.1,33.2,33.9,34.2,31.1,28.7,27.7,27.6,28.9,30,28.7,27.5
1943,27.7,29,33.9,33.4,32.3,28.8,28.5,27.8,29,29.5,28.1,26.7
1944,28.2,30.8,34.2,35.4,31.8,28.8,28.3,28.2,28.7,29.6,28.8,28
1945,29.5,31.2,33.3,35.1,32.1,29,28.3,28.1,29.3,29.2,29.3,26.8
1946,27.8,29.3,33.9,33,31.6,30.4,29.9,28.8,29.4,29,30.3,30.4
1947,30.6,32.3,34.9,33.7,34.4,29.6,28.4,29.6,29.6,30,29.4,28.9
1948,29.3,33,34.3,32.6,32.2,30.3,29,29.1,29.1,29.7,29.2,29.9
1949,29,31.6,34.9,33,32.2,30.3,28.7,28.1,29.2,30.1,29,28.7
1950,29.2,32.1,33.3,33.7,33,29,28.4,28.5,28.9,28.5,28.7,25.9
1951,26.3,30.3,33.6,35.3,32.1,28.4,28.3,28.3,29.4,29.1,29.9,26.7
1952,27.6,31.1,31.4,33.8,33.3,28.9,27.8,27.8,27.9,28.7,28.1,26.3
1953,27.2,28.7,32.8,34,30.7,29.4,28.1,27.4,28.9,29.8,28.2,27.9
1954,28.6,31.2,33.2,35.4,30.1,29.2,29,27.8,28.5,28.2,29.3,27.5
1955,28.3,30.6,32.4,32.7,31.5,27.9,27.8,27.7,28.9,29.6,28.7,26.8
1956,28.8,30.1,33.5,33.7,30.2,29.2,28.1,27.9,28.8,29.4,28.5,27.9
1957,28.9,30.2,33.7,35.5,34.2,28.9,28.1,28.6,29.1,29.7,30.4,29.7
1958,29.6,31.2,34.2,35.7,33.9,29.5,28.2,29,29.4,29.9,29.3,27.2
1959,29,32.2,33.4,35.2,33,29.7,28.4,27.8,28,29.8,30.4,30.7
1960,28.9,30.5,33.9,36.1,31.8,29.4,28.3,27.5,28.2,28.7,29.3,26.5
1961,27,29.6,32.7,34.1,31,28.9,27.6,27.7,27.5,28.5,28.8,27.8
1962,26.9,29.4,33.3,34.6,31.7,29,28.3,28.3,28.7,29.1,29.4,28
1963,27.1,30.9,33.1,34.7,34.9,28.7,27.2,28,29.2,28.8,28.9,26.7
1964,28.9,31.4,34,35.3,30.9,29.2,28.1,28.2,28.4,29.2,27.9,27.3
1965,28,31.3,33.5,34.9,33.4,28.3,28.9,28.4,28.7,28.8,28.6,28.2
1966,28.7,31.7,33.9,36.2,32.4,29.2,28.4,27.6,28.9,29.6,29.8,29.7
1967,29.2,30.8,33.7,34.4,31.9,29.7,28.6,27.6,27.9,29.1,28.7,27.5
1968,28.7,30.6,33.6,33.8,31.4,28.5,28.5,28.1,29.3,29.6,30,29.1
1969,28.3,31.3,34.3,35.8,32.8,29.2,27.9,27.6,29.3,30,28.2,27.9
1970,28.8,31.4,34.4,33.4,30.7,28.9,27.6,27.5,28.3,28.8,28.3,26.9
1971,26.6,30,32.2,34.7,31.7,28.1,26.9,27.3,28.9,28.4,27.5,27.5
1972,27.2,30.8,32.7,32.5,32.5,29.5,28.2,27.7,29.5,29.9,28.6,27.2
1973,27.9,31.3,33,35.7,30.7,29.5,28.5,27.8,28.7,30.1,27.4,26.8
1974,27.2,30.6,32.7,33.3,30.8,28.3,28.1,27.9,28.6,29.8,27.8,27.4
1975,26.1,29.5,33.1,34.5,30.7,28.7,28.1,27.5,28.7,29.8,28.5,26.6
1976,27.8,30.8,32.5,32.6,29.5,28.4,28.3,27.1,29,29.1,26.9,27.2
1977,26.7,27.6,31,33,29.4,28.7,26.6,26.9,27.1,27.8,26.5,27.1
1978,25.8,28.6,33.2,35.3,32.2,29.8,29,28.7,29.2,30.1,30.6,29.6
1979,30.4,32.5,34.6,35.4,32.7,30.1,29.9,28.3,30.3,29.9,30.4,29.7
1980,30,32.3,34,35.6,33.5,29.2,28.5,27.7,28.5,28.8,29.5,27.2
1981,27.6,31.1,34.3,35,31.4,28.1,27.3,27.6,29.3,29.4,27.8,25.4
1982,27,31,34.5,33.5,32.2,28.4,28.2,28,28.1,29.9,29.7,26.6
1983,27.4,31.5,34.6,37.1,34.3,29.9,29.6,28.7,29.1,29,26.6,26.4
1984,27.9,31.6,34,34.6,31.9,28.6,28,28,29,28.3,29.4,28.3
1985,29.8,32.1,35.1,35.1,32.2,27.9,27.9,27.8,29.3,29.4,27.7,27.1
1986,27.7,31,33.2,34.8,31.5,29.3,27.9,28.7,29.4,29.6,29.1,28.3
1987,28.8,30.4,33.2,34.8,34.2,29.2,28.7,28.9,29.3,30.4,29.3,26.2
1988,28.7,32,34.3,34,31.3,28.4,28.2,28.5,29.6,28.6,26.7,26.7
1989,28.9,31.1,32.5,35.3,31.8,28.1,28.2,28.3,28.6,28.5,28.3,26.9
1990,29.5,30.5,33,34.8,30.8,28.6,27.6,29,28.9,29.5,28.7,27.8
1991,29.6,31.8,34.7,35.2,34.7,29.1,28.5,28.2,29.6,29.8,28.4,27.4
1992,27.2,28.9,34,35.5,34.6,30.9,28,28.7,29,27.4,27.5,25.9
1993,26.5,30.4,33.1,33.9,32.5,29.7,29.5,28.2,29.3,29.6,29.9,29.1
1994,30.5,32,32.8,34.1,31.1,28.4,26.6,27.1,28.9,29.6,28,28.5
1995,29.5,30.1,34.1,36,32.2,30,28.4,27.4,29.4,29.5,28.4,26.8
1996,29.6,29,33.7,33.6,30.8,28.5,27.8,27.8,28.5,28.6,28.9,28
1997,28.1,31,33,32.9,33.5,30.2,28.8,28.5,28.8,29.7,29.1,29.6
1998,29.6,31.8,35.5,36.6,34,30.9,29.2,29.9,30.5,31.6,29.2,30.2
1999,30,32.1,33.1,32.7,29.1,28.8,27.8,28.1,27.9,29.2,28.2,26.3
2000,29.9,30,32.5,33.3,29.5,28.4,27.3,28.8,27.9,29.8,28.7,28.6
2001,29.7,31.7,32.5,35.9,29.7,28.1,26.9,27.9,28.1,28.6,27.3,28
2002,27.4,30.6,32.9,34.9,30.6,28.2,26.9,27,27.5,29.2,27.5,27.1
2003,26.1,29.9,31.9,33.8,31,27.2,27.8,27.5,28.5,29.5,29.6,27.6
2004,28,30.1,34,35.2,30.3,27.5,26.7,27.6,27.6,29,29,26.9
2005,28.4,32.6,32.9,35,32.5,29.1,28.8,27,27.8,29.3,28.5,26.4
2006,28.2,31.3,34.4,34.4,30.5,29.3,26.7,26.9,28.7,29.1,29.7,27.8
2007,27.6,30.6,33.3,34.8,29.7,29,27.4,27.9,28.6,28.8,27.1,27.9
2008,30.7,30.2,33.5,34.3,30.1,28.9,28.4,28.3,29,29.5,28.5,27.1
2009,27.8,32.1,33,34.1,31.5,28.5,28.2,29.3,30,30.3,29.8,28.5
