1901,28.7,34.3,36.1,39.3,39.6,39.3,36.1,34.2,35.4,36.9,35.1,29.6
1902,29.5,33.8,36.9,41.1,41.7,37.6,36.3,34.4,35.1,35.3,36,31.2
1903,31.1,34.5,37.3,40.1,41.1,39.2,35.7,33.8,35,37.5,35.1,31.2
1904,30.7,33.2,37.6,40,41.6,39.7,36.1,34.2,35.8,37.6,35.7,31.8
1905,30.6,31.6,36.4,41.1,40.9,38.8,36.1,33,34.7,37.8,35.5,30.6
1906,31.5,31.4,37.8,41.4,41.4,38.8,35.3,32.3,35.1,36.4,34.9,30.3
1907,30.9,32,35.7,38.1,40.5,38.6,38.2,33.4,35.7,38.1,36.1,31.2
1908,31.3,33.3,37,40.2,41,40.1,37,33.2,35.6,36.6,35.6,31.9
1909,31.5,36,39.6,40.9,41.2,37.8,35.1,32.7,35.4,36.4,36,32.1
1910,29,33,37.8,38.8,40.4,40,36.7,34.1,34.9,36.8,35.6,31.7
1911,30.6,33.1,35.9,39.5,39.7,37.7,36.2,33.5,35.1,36.4,33.8,29.2
1912,30.5,34.7,37.3,40.6,40.4,38.5,36.9,34.1,35.3,36.1,32.8,31.2
1913,31.7,33.7,35.5,39.9,40.9,40.2,38.2,35.6,36.1,36.5,32.7,29.8
1914,32.8,33.3,37.7,39.6,41.9,40.5,36.5,32.4,33.8,36,34.3,29.5
1915,28.6,32.6,38.6,38.6,41.1,37.7,36.3,34.1,34.7,35.7,34.3,29.9
1916,28.4,31.4,37,38.1,39.7,37.9,36.3,32.6,33.3,34.8,32.3,31.5
1917,31.2,34.2,35,38.3,39.1,37.7,36.1,34.2,33.5,35.1,31.4,30.7
1918,29.8,30.3,33.6,38.5,39.6,39.3,36.2,31.8,33.3,36.1,34,31.4
1919,31.2,34.6,37.6,39.9,41.1,39.3,36.1,34.3,35.4,37.2,35.5,31.4
1920,31.1,34.2,37.3,39.9,41,39.2,36,34.1,35.3,36.9,35.1,31.4
1921,31.3,34.4,37.3,39.9,41.1,39.2,36.1,34.3,35.4,37.1,35.3,31.4
1922,31.1,34.6,37.4,39.9,41.2,39.1,36,32,32.8,35.5,34,30.3
1923,28.3,32.3,36.9,36.7,39.4,38.1,35.5,32.8,33.5,35.8,35.9,32.6
1924,31.4,36.6,38.7,40,40.6,37.9,35,32.7,35.4,37.4,36.4,30.4
1925,27.2,35.1,38.2,40.4,41.9,39.6,37.5,36.8,36.4,34.6,34,32.2
1926,31.1,30.7,34.7,36.8,38.7,37.1,35.1,34.2,34.8,36.4,33.8,30.2
1927,26.6,30.5,35.5,38.9,39.4,37.4,34.6,31.8,33.4,35.7,33.1,29.5
1928,26.1,31.4,34.5,38.8,39.8,39,35.4,32.8,35.4,36.2,33.5,29.9
1929,29,31.4,35,39.3,39,36.5,35.3,32.4,34.9,35.8,32.7,28.5
1930,28.7,33,35.1,38.5,38.4,37.2,34.3,32,34.3,35.7,34,31.1
1931,31.5,32.6,37.3,40.7,41,38.7,36.3,35.5,34.5,36.1,34.4,31.5
1932,30.5,33,35.1,40.4,39.2,40.4,35.8,33.4,34.8,36.5,33.6,29.1
1933,31.5,34.5,36.8,37.7,42,38,35.3,32.9,33.9,35.8,33.6,30.5
1934,29,32.4,34.2,38.3,42.5,38.5,35.5,32.5,36.7,34.9,33.7,29.7
1935,32.4,35.5,40.1,42.1,42.8,40.5,37,34.5,36.7,38.9,36.9,34.9
1936,32.1,37.3,38.8,40.6,40.9,39.2,36.1,33.8,35.8,38,37.1,32.3
1937,31.8,35.1,38.7,42,42.6,40.4,36.9,35.6,36.1,37.6,37.6,33.4
1938,32.3,37.3,38.3,41.7,42.9,41.8,36.8,34.6,36.1,38.8,37,33.4
1939,32.8,34.1,38.2,41.5,42.4,39.9,36.9,34.4,36,38.3,37.3,33.4
1940,31.2,34.5,37.5,39.9,41.2,39.5,36.2,34.2,35.5,37,35.3,31.4
1941,31.8,33.2,37.5,38.7,40.2,38,35.3,33.9,35.1,37.2,35.8,32.4
1942,29.8,34.2,37.8,40.4,40.8,39.6,36.2,32.6,35.8,36.5,36.7,30.5
1943,29.6,33,37.7,38,40.2,38.6,35,32.4,34,36.8,33.9,32.5
1944,29.8,33.8,35.6,39.6,41,40.2,36.4,34,34.9,37.2,36.5,31.7
1945,31.7,34.5,36.6,39.3,40.5,40,35.8,32.5,34.4,36,35.4,31.5
1946,32.9,32.2,38.6,39.7,39.9,38.9,35.9,32.7,34.4,36,35.5,29.6
1947,30.6,35.3,37.3,38.7,41.5,40.1,37.5,34.2,35.3,37.2,35.1,31.7
1948,29.2,34.8,36,39.5,41.5,38.1,35.6,33.4,35.3,36.7,34.2,31.1
1949,30.5,32.7,39.1,40.3,41.1,39.8,36.3,33.6,35.1,36.9,35.5,33.2
1950,30.1,33.5,37.3,40,41.4,39.8,35.2,32,34.2,36.3,34.8,31.5
1951,32,36.7,39.5,40.8,41.6,39.9,36.2,34,34.2,35.3,35.4,32.6
1952,29.8,33.8,38,39.5,41.4,39.5,35.1,31.8,33.3,36,36.1,31.6
1953,33.4,34.7,35.9,40.5,39.8,36.4,33.9,32.7,34.5,36.3,36.1,30.7
1954,31.5,33,37,38.8,40.7,38,35,31.7,35,35.6,34.8,32.5
1955,33.3,35.6,37.8,38.9,40.7,38,34.6,32.6,34,36.3,36.1,31.7
1956,31.9,36,36.8,40.4,41.6,39.6,35.6,33.2,34.2,36.4,36,30.9
1957,30.1,35,37.5,39.6,40.3,38.4,35.8,33.4,34.9,36.3,35.3,31.6
1958,33.5,35.2,39.7,41.1,42,39.2,34.9,32.9,34.9,37.4,34.9,32.4
1959,31.7,33.5,39,40.9,40.7,40.2,36.7,32,34.2,37.3,35.9,31
1960,31.4,35.9,37,39.8,40.3,39.7,34.9,34.4,34.9,37.7,34.6,29.3
1961,29.8,32.4,36.3,40.3,41.6,39.5,35.2,33.3,35.1,37.2,35.8,31.4
1962,31.3,34.1,36.7,38.5,41.4,39,35.3,32.5,34.7,36.5,34.8,29.6
1963,34.7,37.8,36,39.5,39.1,39.9,36.8,34.2,36.2,34.9,35.4,32
1964,31.9,35.2,40.4,38.9,40.7,38.1,35.2,32.4,34.2,36.9,34.8,32.5
1965,30.5,35.8,38.7,38.5,41.3,38.4,36.1,33,34.5,37.3,36,30.9
1966,33.4,35.9,38.5,40.2,41.8,39.5,37.6,34.3,34.6,35.8,35.7,32.7
1967,29.2,34.2,36.8,39.9,41.3,38.8,35.9,32.6,33.1,36,34.5,28.7
1968,29.6,35.4,37.4,38.8,40,37.3,35.1,34.9,34.2,36.9,36.1,33
1969,33.3,38.3,41,38.9,41.8,40.7,35.3,33.4,35.2,35.4,35.6,32.9
1970,33.3,36.2,38,40,40.9,40.3,35.9,33.8,34.5,38.1,35.8,31.8
1971,31.4,35.6,38.4,40.7,41.3,39.5,36.1,33,34.8,37.2,36,33
1972,32.2,35.2,37.5,39.2,39.2,38.3,38,35.5,36.9,37.6,35.5,31.3
1973,30.6,34.3,36.8,41.1,41.8,40.3,36.7,34.9,36.3,37.5,36,29.4
1974,29.7,32.5,36.9,39.4,41.6,39.3,34.7,33.4,35.3,36.7,34.7,30.6
1975,29.5,33.4,37.3,39.6,40.7,39.5,34.8,34.3,34.1,37.6,33,33.1
1976,28.9,32,34.9,39.7,39.9,38.7,35.5,34.1,34.1,35.6,34,31.6
1977,33.1,34,37.2,39.9,40.7,39.7,36.6,34.4,35.2,37.2,34.7,32.2
1978,32.5,36.2,38.4,38.5,41,38.7,34.8,34.9,34.7,36.2,34.6,32.8
1979,34.5,33.5,37.7,39.9,39.8,37.9,36.7,33.9,34.8,36.4,34.2,30.4
1980,33.2,34.3,38.5,42.2,42.3,39.6,34.9,33.2,36.3,37.3,35.2,30.5
1981,29.6,34.6,39.2,41.6,40.9,40.3,35.8,34.2,35.5,38.6,34.8,33
1982,29.5,33.5,37,39.9,41.1,39.8,37.7,34.8,37.4,37.4,34.8,30.1
1983,28.6,35,37.3,42.3,43.5,39.1,37.5,35.5,37.2,38.4,37.1,31.7
1984,30.8,32.5,37.9,40.5,41.1,39.4,37.4,37.4,36.7,37.3,34.8,29.6
1985,32.2,33.5,37.2,38.6,41.4,38.8,35.3,33.9,35.8,37.5,37.1,30
1986,30,34.6,35.9,41,41.5,39.8,35.6,35.6,34.5,37.8,34.3,30
1987,33.1,35.7,37.6,41,44.2,40.5,38.4,35.6,37.4,38.5,37.2,32.8
1988,30.1,34.3,38.6,41.2,43.1,39.9,35.5,33.9,34.8,37.7,34.9,29.5
1989,31.1,33,37.1,40.6,42.1,39.6,35.6,32.9,36.8,37.2,36.8,32.6
1990,30.9,35.2,38.5,40.8,42.1,39.9,36.4,36.2,37.3,39.2,36.7,31.8
1991,32.5,34,38,40.2,39.9,39.7,35.7,33.8,36.8,36.2,34.5,29.5
1992,27.6,35,36,40,40.8,40.3,36,33.4,35.8,38.2,33.3,32.9
1993,28.8,34.1,38.8,41.7,43.4,39.9,36.4,34.9,35.7,38.3,35.1,30.5
1994,28.8,34.5,36.7,40.3,40.5,39.5,35.8,32.9,34,35.4,35,31
1995,28.6,33.6,38.8,40.7,41.3,41.1,36.7,34.4,36,38.1,35.2,32.1
1996,34,36,38.3,40.7,40.1,40.4,37.5,34.5,34.2,37.4,34.1,32.1
1997,34.1,33.4,35.4,40,41.6,38.4,37.5,36.4,36.8,37.9,35.3,31.8
1998,32.5,36.4,36.8,43.1,42.4,39.9,36.7,35.3,32.7,37.5,35.2,30.6
1999,30.9,31.5,37.7,40.5,41.9,41,36,32.2,33.5,36.3,34.9,31.2
2000,32.5,32,38.2,43,41.2,39.3,36,35.1,36,36.6,35.5,31.6
2001,32.6,33.3,39.7,40.7,42.3,38.3,35.9,33.7,35.8,37.5,35.5,33.7
2002,30.6,34,39,40.4,42.4,40.6,37.7,34.7,37.4,37.1,36.5,33
2003,31,36.5,38.7,42.8,42.6,38.3,35.2,33.1,34.1,37.4,36.1,30.5
2004,31,35.8,37.1,40.9,42.8,39.6,35,34.8,36,38.5,36.2,34
2005,30.5,35,39,42.6,42.5,39.3,35.4,34.8,36.4,38.2,36.8,33.6
2006,31.7,34.2,38.7,41.3,41.9,40.2,37.4,34.3,35.7,37.3,35.5,31
2007,30.6,35.1,38.2,40.6,42,40.9,36,33.4,36.4,38.6,38.4,31.5
2008,27.9,33.8,39.9,41.2,41.9,40.4,36,33.8,35.5,37.2,35.9,31.3
2009,29.2,36,39.9,40.8,42.5,39.7,36.9,35.2,34.6,37.3,35,33.6
