1901,28.7,31.3,34.4,37.5,34.5,31.8,31.5,30.9,30.7,31.4,29.7,28
1902,28.4,31.1,34.9,36.1,33.8,31,30.6,30.3,30.6,30.7,29.6,28
1903,27.8,30.1,33.5,36.8,34.2,30.9,31.4,29.7,30.5,31.3,28.7,26.3
1904,27.6,30.2,34,35,33.6,31,30.6,30.5,31.3,31.2,28.8,26.6
1905,27.2,30,33.1,35.6,34.2,31.3,31.1,30.1,31.2,31.1,29.8,28.4
1906,29.3,30.7,33.9,35.9,34.9,31.3,31.5,30.3,31.7,31,29.3,27.9
1907,28.5,30.8,33.5,36.2,33.4,31.2,30.5,30.5,30.7,31.4,29.7,27.2
1908,28.5,30.9,35.2,37.4,33.6,31.4,30.8,30.7,31.2,31.2,28.6,28.3
1909,28.4,30.9,35.3,36.7,33.2,30.9,31.2,29.7,31.5,31.6,29.6,26.8
1910,28.3,30.5,33.5,36,34.1,31,30.4,30.2,31.1,30.5,29.7,26.9
1911,28.6,30.4,33.6,36,33.6,31.2,30.8,30.5,31.3,30.8,29.7,28
1912,28.4,30.8,33.8,36.1,34.1,31.4,30.7,30,30.9,30.5,28.8,27.2
1913,28.4,32.3,33.3,35.4,33.4,31.2,30.8,29.9,30.8,30.5,28.5,26.7
1914,27.4,31,33.9,35.6,33.7,31.2,30.9,29.6,30.9,30.2,29.7,28.1
1915,28.5,31.8,34.2,36.4,33.3,31.1,30.6,30.5,30.5,31.7,29.6,26.8
1916,27.4,31.7,34.3,35.8,34,31.4,31.5,31,31.8,31.1,30.7,27.8
1917,28,30.6,33.8,35.6,33.7,30.9,31.3,30.8,31.1,31.4,30.9,27.9
1918,28.2,30.5,33.6,35.1,32.5,30.5,31.5,30.3,31.9,31.4,30.2,29
1919,29.5,31.4,35.2,36.8,35.4,31.8,31.2,31.6,31,31.9,30.4,28.3
1920,28.5,30.5,34,36.2,34,31.9,32.1,30.7,31.4,31.4,30.5,29
1921,29.6,31.4,34.1,36.9,33.9,31.4,31.4,30.9,31.8,30.6,30.1,28.3
1922,29.5,32,34.2,36.2,34.2,31.5,31.4,30.7,31.9,31.9,29.9,28.4
1923,29.9,29.1,34.8,36.1,33.4,31.5,30.4,30.1,31,30.5,29.6,28.2
1924,29.2,30.7,35.7,37.1,34,31.2,30.3,29.8,30.4,30.5,29.2,26.4
1925,27.6,30.5,34.9,35.8,33.2,31.5,31.4,30.5,31.5,30.5,30,28.2
1926,29.2,30.9,33.6,36,34,31.2,31.3,30.9,31.7,32,30.3,28.8
1927,28.1,30.7,33.3,35.3,33.1,31.5,31.9,30.8,31.1,31.1,30.1,29.2
1928,30.3,32.2,34.4,37,34.1,30.3,31.6,30.8,31.7,31,29.9,29.7
1929,29.7,31.2,34.7,36.2,33.6,30.9,32,30.9,31.7,32,30.2,28.9
1930,27.9,30.8,33.6,36.6,33.4,31,30.8,29.5,31.2,30.9,29.1,28.5
1931,29.9,31.2,34.9,38.1,34.7,31.7,31.1,30.9,30.8,30.2,28.8,28
1932,29,30.1,34.8,37,35.6,31.6,30.8,30.2,30.7,31.2,30,27.2
1933,29.8,31.3,35.5,36.3,33.1,30.9,30.6,29.6,30.7,30.8,29.1,27.6
1934,29.4,30.7,34.6,37,35.9,31.2,30.3,29.9,30.8,30.6,28.9,26.2
1935,29.1,31,35.2,36.3,35.8,31.1,30.7,29.7,31.3,31.6,30.4,28.9
1936,27.9,29.6,34.7,36.4,34,30.8,30.1,30.2,30.6,30,31.6,30.4
1937,28.9,31.7,34.7,37.4,32.9,31.1,30.6,30.3,31,31.5,31.4,27.9
1938,29.3,30.5,35.3,37.4,31.8,30.9,30,29.7,30.6,30.8,27.3,27.6
1939,29.3,30.6,34,36.8,33.6,30.6,29.1,29.3,29.8,30.9,29.1,26.3
1940,28.3,30.1,31.5,37.6,32.9,30.8,29.6,29.9,30.4,30.8,29.1,27.2
1941,29.3,30.9,34.8,37.3,34.4,30.7,30.8,30.3,30.6,31,29.8,29.2
1942,28.7,32.7,34.4,36.4,33.4,31,30.8,30.1,30.8,31.9,29.7,27.5
1943,28.1,29.5,33.9,35.2,34.3,30.8,31,29.8,31,31.2,29.8,27.9
1944,28.1,30.6,35.1,36.7,34.2,31.1,31.3,30.7,30.6,31.2,29.9,28.5
1945,29.6,30.5,34.6,36.8,34,31.1,31,29.8,31.4,30.5,30.5,27.2
1946,28.5,31.1,34.9,35,33.6,31.9,31.7,30.6,31.2,30.1,30.8,29.6
1947,29.9,32.1,35.1,36,35.4,31.5,30.7,31.1,30.9,30.8,30.1,28.5
1948,29.1,31.2,33.1,35,32.5,31.9,31.2,30.7,31,30.7,29.6,29.1
1949,28.7,30.8,34.1,34.6,33.3,31.8,30.9,30.4,30.7,31.4,29.6,27.8
1950,29.1,30.8,34,36.2,34.8,31.5,30.9,30.3,31.6,30.8,29.3,26
1951,26.7,30.2,34.1,36.6,34.4,31,31.1,30.9,31.7,31.4,30.7,27.4
1952,28.1,31.6,33,36.5,35.2,31.9,30.6,30.3,30.4,30.8,29,26.6
1953,27.7,30.1,34.6,37.4,32.8,32.3,30.5,30.4,30.9,31.2,29.3,28.4
1954,28.5,31.5,34.8,37.7,33.1,31.2,30.8,30.2,30.9,30,29.1,27.6
1955,28,31.2,34.1,36.3,33.4,30.9,29.9,30.1,30.8,31,29.3,26.7
1956,28.3,30.7,34.9,37.2,31.3,31.3,31,30.3,30.5,30.8,29.2,28.2
1957,28.6,29.9,34.7,38,36.6,31.8,30.6,31,31.5,31.1,30.6,29.2
1958,29.3,31,34.3,37.7,35,32.4,31,30.8,31.5,31.6,30.3,27.6
1959,28.3,31.1,33.5,36.9,34.4,32.3,31.1,29.9,29.7,30.6,29.9,30
1960,28.2,30.7,34.5,38,34.8,32.1,30.7,30.4,30.9,30.8,29.5,27.1
1961,28.6,29.9,34.6,36.1,33.6,31.6,30.2,30.2,29.8,30.6,29.2,27.2
1962,26.9,29.7,34.1,36.3,34.4,30.8,31.3,30.4,31.3,30.3,29.8,28.5
1963,27.9,31.8,33.9,34.8,33.7,31.1,30.2,30.5,31.4,30.2,29.5,27
1964,28.3,31.1,34.2,36.4,32.7,31.2,30,30.2,30.8,30.2,29.1,27.2
1965,27.5,30.1,33.6,36.6,34.7,30.4,30.4,29.9,30.5,30,29.2,27.9
1966,28.3,31.9,34.4,37.8,34.8,30.5,31.1,30.2,30.9,30.6,30.8,28.6
1967,28.4,31.1,33.7,36.2,34.2,32.3,31.2,30.6,30,30.2,28.9,27.5
1968,27.6,29.8,34.1,35.7,33.7,30.6,31.3,30.5,31.3,30.4,30,28.8
1969,28.3,31.7,34.5,37.1,34.4,31.8,30.8,30,31.3,31,29.2,27.7
1970,27.6,30.4,34.1,36.9,32.7,31.3,30.2,30.1,30.2,30.1,28.6,27.2
1971,27.3,30.1,34.2,36.1,33.9,30.5,29.7,29.3,31.1,30.3,28.2,27.2
1972,27.5,29.9,34.7,35.7,35.5,31.9,31.2,30,31.7,31.5,30,27.8
1973,28.7,31.4,34.8,37.2,32.3,31.7,31.3,30.6,30.4,31.3,28.3,26.7
1974,27.1,30.4,32.2,35.3,33.6,30.9,30.2,30.1,30.7,31.7,29.5,27.2
1975,26.8,30.3,36.2,34.8,31.1,31.1,30.3,30.5,30.8,31.2,28.9,26.4
1976,27.1,30.6,35.7,33.9,31.9,30.9,30.7,29.7,30.9,30.4,28.4,26.9
1977,27.2,28.5,33.6,34.5,33.1,30.8,30,29.3,30,29.8,28.2,26.9
1978,26,29,33.5,36.7,33.8,31.5,31,31,30.8,31.5,30.6,28.9
1979,29.5,31.9,34,36.7,35.6,32.3,31.8,30,31.5,31.7,31.1,28.4
1980,29.3,31.6,34.2,38.3,35.4,31.2,31,30.1,31.1,30.1,29.9,27.5
1981,28.1,31.4,34.5,35.3,33.7,31.1,30.1,30.5,31.2,31.1,29.7,26.6
1982,27.5,30.2,34.3,36.1,36.1,31.3,31.6,30.2,30.8,31.7,30,26.8
1983,28,30.7,33.7,37.2,36.6,31,32.1,31.1,31.2,30.9,28.7,26.7
1984,28.5,32,35.1,37.1,34.5,31.4,30.8,30.5,31.1,30.7,30.2,28.5
1985,29.2,31.2,34.9,36.5,33.9,30.6,30.4,30.8,31.2,31.7,28.7,27.3
1986,28.2,32.1,34.6,37.7,34.5,32.3,31.1,31.5,31.1,31.4,30.2,29
1987,28.6,31.1,33.7,36.3,37,31.6,31.8,31.2,31.8,32.6,30.9,27.9
1988,29.4,32.5,35.4,37.1,34.5,31,31.5,31,32.1,31.5,29.4,28.3
1989,29.2,31.5,34.4,36.8,33.3,31.4,31.1,31.3,31,30.1,29.7,27.4
1990,29.3,31.2,33,36.7,33.7,32.4,31.2,31.6,31.2,30.9,30.2,28.6
1991,29.8,32.6,35.6,36.1,35.6,31.1,31.6,31,31.7,31.2,28.7,27.4
1992,27.5,29.5,35,37,34.6,33.4,31.1,31.2,31.2,29.6,28.6,25.9
1993,27.6,30.5,33.9,36.7,34.4,32.1,32.5,30.8,31.8,31.8,30,29.2
1994,30.7,32.5,34.5,37.3,34.2,31.8,30.4,30.2,31.5,31.1,29.3,27.6
1995,28.8,30.6,35.6,39.2,35.9,32.3,31.5,31,31.4,31.5,29,27.3
1996,28.6,30.1,34.6,35.2,33.4,31.4,31.2,30.5,31.4,31,29.9,28.3
1997,28.3,30.6,34.1,34.6,35.8,32.3,31.2,31.3,30.7,31.2,30.1,28.4
1998,28.7,31.5,34.6,37.5,35.9,33.6,31.8,31.5,32.8,33.2,31,29.8
1999,29.8,32.7,35.3,36.3,32,32.3,31.1,30.5,30.6,31.1,29.4,27.6
2000,29.5,30.2,33.3,36.6,32.1,31.9,30.7,31.4,30.5,31.5,29.7,28.1
2001,29.2,31.5,34.2,38,32.1,30.6,29.9,30.6,30.8,30.2,28.2,27.9
2002,27.4,31,34.2,36.3,32.5,31.5,30.2,29.8,30.5,30.7,28.9,27.4
2003,27.1,30.2,32.4,36.3,34.1,30.6,30.9,30.3,31,30.9,30,27.8
2004,28,30.5,35.2,35.8,33.2,31.2,30,30.4,29.8,30.6,29.6,26.9
2005,28,32.1,34.2,36.9,34.4,31.8,31.3,29.7,31,30.6,29.3,27.2
2006,28.4,32.1,35.3,36.1,33.1,31.5,30.3,30,31,31,30,27.8
2007,27.6,30.2,34.2,36.4,32.8,31.5,30.3,30.6,31,30.5,28.5,27.7
2008,30,30.1,34.4,36.7,33,31.1,31,30.6,31.3,31,29.6,27.6
2009,28.3,32.5,34.5,36.6,34.1,31.5,31.1,31.3,32.2,31.8,30.3,28.2
