1901,28.9,31.8,34.2,35.4,32.7,31.4,30.7,30.4,30.6,30.7,29.3,27.9
1902,28.2,31.3,34.3,34.8,33.3,31.4,30.5,30.2,30.4,30.4,29.2,28.5
1903,28.6,30.8,34.7,35.9,33.2,30.6,30.4,29.6,30.2,30.5,28.3,25.6
1904,26.6,30.3,33.4,34.2,32.6,31.2,30.3,30.3,30.9,31,28.4,26.6
1905,29.3,32.4,33.4,35.1,33.1,31.4,30.6,30.3,31.1,31,29.6,29.9
1906,29.8,32.3,33.9,35.8,33.8,31.8,30.9,30.3,31.5,30.5,28.7,27.9
1907,28.5,31.3,32.9,34.6,32.5,30.8,30.1,30.2,30.5,30.8,29.5,26.4
1908,28.5,31.1,33.7,35.4,32.8,31.3,30.3,30.1,30.6,30.6,28.2,27.4
1909,28.3,31.5,34.2,34.9,32.3,31.2,30.3,30.2,31.2,31.3,29,27.2
1910,29,30.7,33.1,34.9,33.2,30.8,30.2,30.2,30.3,30.4,29.1,26.5
1911,28.1,30.7,33.6,35.3,32.9,31.4,30.2,30.5,30.9,30.6,30.1,28.5
1912,28.6,31.4,34,35.3,33.5,31.6,29.9,29.7,30.3,30.1,28.1,27.4
1913,28.7,31.5,32.9,34.8,32.3,31.4,29.7,29.8,30.4,30.3,28.2,27
1914,28,31.6,33.8,35.3,33,30.9,30.3,29.5,30.3,29.9,29,28.3
1915,28.9,32.3,33.8,35.1,32.1,31.5,29.9,30.1,30.2,31.2,28.8,26.3
1916,27.3,31.1,34.3,35,33.4,31.3,30.6,30.3,30.7,29.9,28.4,26.7
1917,27.9,30.7,32.8,34.7,33.2,30.6,30.3,29.8,30.3,30,29.1,26.7
1918,27.6,30.1,33,33.9,32.1,30.9,30.8,29.8,31.3,30.7,29.7,29.1
1919,29.3,31.6,35.2,35.4,33.4,31.4,30.3,30.6,30.3,30.4,29.1,27.8
1920,27.6,30.9,33.8,34.8,33.1,31.4,30.7,30.4,30.8,30.1,29.8,28.1
1921,29.3,30.7,34.1,36,32.6,31.7,30,30.4,30.5,30.1,28.4,28
1922,30.1,32.6,33.8,35.1,33.7,31.4,30,30.1,30.9,30.6,28.1,27.1
1923,29.5,30.1,34.3,34.3,31.8,30.5,29.8,29.5,30.8,30.2,29.8,28.8
1924,29.6,31.5,35.3,34.9,33.3,31,29.7,29.9,30.9,29.7,29.4,26.9
1925,28.3,29.8,33.9,33.6,32.9,31.6,30.5,30.3,30.8,29.5,29.2,26.6
1926,29.1,31.1,33,35.6,33.7,31.8,30.5,30.1,31.4,30.3,29.2,28.3
1927,28.6,31,34.1,33.9,31.9,31.2,30.7,30.3,30.4,29.7,28.9,28.6
1928,30.9,31.1,34.2,35.3,33.3,30.6,30.3,30.1,30.9,29.3,28.2,28.6
1929,29.9,31.1,33.1,34.1,32.8,30.8,30.3,30.3,30.4,30.3,28.3,29.2
1930,28.2,31,32.5,35.1,31.9,31.1,30.4,29.3,30.5,30.2,28.8,28.8
1931,29.4,31.8,34.6,36.6,34.9,32.1,30.9,30.2,30.3,29.1,28.1,27.7
1932,27.3,30.3,33.5,35,34.4,31.7,30.5,30.2,30.4,29.8,29.7,26.6
1933,28.7,31.6,34.3,35.8,32.6,31.3,30.1,29.5,30.3,30.2,27.9,27.4
1934,28.2,30.8,33.1,34.2,33.8,31.5,29.6,30,30.8,30,29.1,25.7
1935,30.2,31.8,34.2,35.2,33.4,31.5,30,29.7,30.7,31,30.2,29.4
1936,28.1,30.3,33,35.5,33.3,30.9,29.5,30.1,30.2,29.3,31,31.1
1937,30.3,31.9,35.5,36.1,31.8,31,29.7,30.2,30.5,31.2,31.4,29.4
1938,30,31.5,34,33.8,31.1,30.2,28.9,29.7,30.2,30.3,27.1,28.5
1939,29,31.3,33.4,33.6,32.8,30.4,29.1,29.3,29.6,30.9,29.5,25.1
1940,27.6,31.1,33.7,35.6,32.2,31.2,29.5,30.2,31,31.2,29.2,28.4
1941,31.3,32.2,35.3,36,33.7,31.5,30.8,29.9,31,30.9,29.7,29.4
1942,28.9,34.2,34.3,35,32.5,30.8,30.1,29.9,30.5,31.5,29.8,28.1
1943,28.6,30,34.7,34.4,33.6,31.1,30.7,29.9,30.5,30.9,28.7,27.3
1944,29.2,32,34.7,35.9,32.3,31,30.5,30.5,30.8,30.9,29.8,28.1
1945,31.2,30.8,34,36.4,32.6,31.7,30.8,30.5,31.5,30.1,30.2,28.2
1946,28.8,29.8,34.5,33.9,32.5,32.5,31.6,30.6,31,30.3,30.7,30.6
1947,31.8,32.7,34.6,34.2,34.9,31.8,30.5,32,31.8,31,30,29.6
1948,30.5,33.4,35.6,34,33,32.7,30.4,30.5,30.9,30.8,29.7,30.3
1949,28.1,30.8,34.9,33.4,32.6,32.8,30.8,30.5,30.8,30.7,29,27.8
1950,29.6,31.4,34.5,34.8,32.9,30.6,31,30.5,31.2,29.6,29.7,25.7
1951,27.7,31.7,34.1,35.9,32.3,30,30.2,29.9,30.6,30,30,27.6
1952,29.2,32.1,32.2,34.5,34,31.7,29.8,29.4,29.4,30.3,30.2,27.2
1953,28.4,29.7,33.5,34.4,32.1,30.9,30.4,29.5,30.4,31.2,29.5,28.3
1954,30,31.5,32.8,36.4,32.2,31.8,31.9,30.2,30.7,29.7,29.4,27.2
1955,27.6,31.1,33.3,33.8,33.3,29.9,30.5,29.4,30.7,30.7,28.2,27.8
1956,28,31.9,34.4,34.9,31.4,31.1,30.3,29.7,30.2,30.9,28.8,27.9
1957,30,30.6,33.2,35.5,35.1,31.1,30.3,30.8,30.4,30.6,30.8,29.4
1958,28.6,30.2,35.5,37.2,35.4,32,30.2,30.8,30.7,30.5,29.3,27.8
1959,29.6,33.6,33.2,36.2,33.7,32.7,30.1,29.7,29.8,31.2,31,31.5
1960,29.6,30.8,35.4,37.7,34,32.7,30.2,29.9,30,30,30.5,27.2
1961,28.3,30.2,33.6,34.6,32.4,31.2,30.4,30,29.5,30.4,29.3,28.6
1962,26.6,30.9,33.7,35.4,32.1,31.5,30.6,30.3,30.9,30.7,30.2,29
1963,27.1,30.6,32.6,35.4,35.8,30.7,29.2,30.3,30.9,29.8,29.6,27
1964,30,30.9,33.3,35,31.9,31.3,30.4,30.3,30.5,30.4,28.3,26.4
1965,27.7,30.8,33.1,35.2,33.9,30,30.7,30.3,30.3,30.4,29.5,28.9
1966,29.7,31.9,33.9,35.9,32.5,31.3,30.7,29.2,30.4,30.8,29.6,29.6
1967,27.7,29.9,34.3,34.3,32.9,31.7,30.8,30.5,29.1,30.2,29.6,27.7
1968,29.2,30.1,33.3,32.6,32.1,30.2,30.8,30.2,30.7,30.6,30.9,30.5
1969,28.6,32.4,34,35.7,33.3,30.9,29.4,29.4,30.5,31.1,27.9,26.8
1970,28.4,31.6,35,33.1,32.1,29.7,29.4,29.7,30.4,29.7,28.3,28.3
1971,27,30,32.4,35.1,32.2,30.7,29.2,29,30.8,29.3,27.8,27.4
1972,27.6,31.7,32.3,32.8,34.7,32.1,30.8,29.7,31.5,31,29.7,28.2
1973,29.8,33.7,33,36.5,32.6,31.8,30.2,29.6,29.6,30.3,27.3,25.8
1974,27.8,29.6,31.5,32.5,31.9,30.7,30.6,29.6,30.5,30.6,28.3,27.5
1975,26.9,32,34.2,36.9,32.6,31,30.6,29.8,30.6,30.9,28.4,25.6
1976,27.7,31.1,32.4,33.8,31.2,30.9,30.4,29.1,30.7,30.2,26.5,27
1977,27,27.6,30.6,33.7,31.1,32.5,29.6,30,29.6,29.9,27.5,27.3
1978,27.4,29.2,34.7,35.2,32.8,32,30.6,30.5,30.4,30.8,30.4,29
1979,30.5,32.7,36.8,36.5,33.5,31.4,32.5,30.5,31.6,30.8,29.8,29.4
1980,30.1,32.6,35.7,36.6,34.8,32,31.5,30.7,30.3,30.7,31,28.8
1981,29.6,33.2,36.4,36.3,33,31.3,29.9,30.8,31.9,30.8,29.4,26.3
1982,28.6,32.7,36,33.6,34.1,32.1,30.4,29.8,29.7,31.6,31,26.8
1983,27.4,33.5,36.3,38.6,35.6,33.6,31.8,31.2,31.2,31.1,27.4,27.2
1984,27.9,31.2,35,36.2,33,30.9,30.3,30.1,30.6,29.4,30,28.9
1985,29.3,32.5,34.1,34.9,33,30.1,29.9,29.7,30.9,30.4,28.7,27.6
1986,28.4,32.1,34.3,35.3,31.7,31.3,29.9,30.9,31,30.2,28.9,27.9
1987,29,30.7,34,35.5,34.8,31.5,31.3,31.4,30.9,31.6,30.2,26.8
1988,29.9,32.2,34.9,34.8,32.2,30.8,30.5,30.2,31.3,29.6,27.2,27.4
1989,28.6,31.1,32.3,37,32.7,30.7,30.7,30.6,30.3,29.7,29.5,27.6
1990,28.6,30.9,32.7,35.5,31.6,30.7,29.3,31.4,31,30.6,29.7,28.2
1991,30.1,32.6,35.9,35.9,34.8,31.1,31.3,30.2,31.5,30.7,29.1,27.7
1992,27,31.5,35.6,37.9,36.4,32.6,30.4,31,31.1,28.4,27.8,27.6
1993,26.8,31.7,33.5,34.9,33.6,32.4,31.7,30.4,31.5,31,30.9,28.9
1994,31.2,33.3,32.2,35.4,32.4,30.4,29.6,29.2,30.7,30.3,28.4,29
1995,28.7,30.9,34.7,36.4,33.3,32.5,30.3,29.1,31.1,30.4,28.1,26.5
1996,28.8,28.5,34.3,33.3,32.4,31.3,30.1,29.9,30.5,30.1,29.3,28.2
1997,28.9,31.2,34,33.4,35.3,33.7,30.5,30.6,30.4,31.2,30.1,30.2
1998,30.2,33.3,36.4,36.5,35.3,33.5,31.4,32,31.9,31.9,29.6,29.6
1999,29.5,32.8,35.6,33.3,31.2,31.5,30.8,30.4,30.1,30.6,29,25.8
2000,30.8,30.7,34.4,35.1,30.7,30.9,30.4,31.6,30.4,31.5,29.5,29.5
2001,30.9,32.6,32.1,36.7,31,30.9,29.7,30.5,30.6,30.4,27.7,28.5
2002,28.3,31.7,33.2,35.6,31.8,31.2,29.8,30,29.7,30.6,28.9,28.3
2003,27.3,31.2,32.3,35.2,33.6,30.7,30.8,30.3,30.6,30.9,30.7,27.1
2004,29.1,30.4,35.3,35.5,32.2,30.6,29.4,30.3,29.8,30.5,30,28.2
2005,29.3,34,33.3,35.9,33.9,31.6,31,29.5,30.3,31,29.7,27
2006,29.5,32.2,34.8,34.8,32,32.1,29.9,29.7,30.9,30.9,30.4,28.4
2007,27.7,31.7,34.5,34.6,31.5,31.4,30.4,30.3,30.6,30,27.8,29.4
2008,30.2,28.9,33.3,34.3,31.1,30.9,30.1,30,30.8,31.2,29.2,27.9
2009,27.9,33.7,33.8,34.4,32.6,31.2,30.3,31.3,31.9,31.9,31.1,29.4
