1901,28.8,30.9,30.8,35,37.9,41.5,40.7,39.4,38.8,35.6,31.3,27.5
1902,29.7,31.2,32.3,35.5,38.8,42,41.1,40.3,39.4,37.6,33.8,28.7
1903,28.4,31.1,32.7,35,37.9,41.3,40.3,38.7,38.8,37.5,33,28.3
1904,28.3,29.7,31.7,34.6,37.7,41.3,40.7,40,39.5,37.1,33.4,29.1
1905,28.9,29.5,32.2,35.2,37.8,41.6,41.1,39.5,39.2,36.7,32.4,29.5
1906,29.3,29.6,33.2,34.9,37.8,41.7,40.3,38.9,39.4,37.3,33.1,28
1907,27.7,29,31.5,34.2,37.3,40.4,40.4,39.3,39.5,36.6,31.9,28.9
1908,29,30.2,32.7,35.2,38.9,41.7,40.7,39.1,39.8,37.8,33.7,30
1909,28.5,30.2,33.3,35.4,38.8,40.7,40.4,38.8,38.9,37.3,33.1,29.5
1910,28.2,30.4,32.4,34.9,38.2,41.2,39.9,39,40,37.8,34.3,29.3
1911,27.5,30.1,31.6,35.6,37.9,40.8,40.4,39.4,40.1,38.2,33.2,30
1912,29.4,32,33.6,35.6,39.3,42.2,40.4,39,39.5,36.7,33.3,29.3
1913,29.3,31,31.7,34.9,36.3,41.8,40.7,39.4,39.5,37.2,33.2,29.9
1914,27.9,29.4,32.5,35.2,39,41.1,40.5,39.5,39.3,37.4,33.2,28.8
1915,28.7,28.7,30.6,33.5,37.6,42.3,41.6,39.7,40,36.8,32.6,29.8
1916,27.9,28.6,30.2,33.2,37.4,41.7,40.9,39.6,38.9,37.5,33.2,30.2
1917,28.6,27.5,30.9,32.8,36.6,40.1,40.9,39.4,39.5,35.1,31.6,29.2
1918,29.7,28.3,29.8,32.7,36.9,41.5,40.5,38.5,39,35.8,31.7,29.2
1919,29.3,31.6,33.3,33.6,37.4,41.5,40.4,40,39.4,37.6,33.5,28.8
1920,28.1,27.3,30.6,34.4,36.4,40.6,39.7,38.1,38.3,36,31.1,29.1
1921,29.4,28.8,30.6,33.8,37.4,41.6,40.3,39.6,39.1,37,31.5,28.2
1922,27.9,30.4,31.1,34.8,38.1,40,40.2,38.9,38.2,36.7,32.8,28.2
1923,28.1,30,32.7,34.7,38.9,41.1,41.1,39.7,40.5,38.3,32.9,30.9
1924,30,28.8,33.4,35.2,39.4,40.7,40.7,40.4,39.9,35.5,31.8,27.8
1925,27.9,28.9,31.2,34.3,38.1,41.1,40.6,38.8,38.8,36.6,32.8,31
1926,30.7,31.4,32.6,36.7,38.9,42.7,41.8,40,40.5,38.2,31,29.4
1927,28.8,29.3,34.5,35.3,40.1,41.2,41,38.9,39.1,37.7,33.8,29.6
1928,26.9,28.9,34.2,35.4,38.4,42.6,41.7,39.3,38.7,37.3,31.4,28
1929,30.4,30.2,32.1,35.3,35.8,41.8,40.5,39,38.5,37,32,29.5
1930,27,27.9,30.5,33.8,36.8,41,39.9,39.6,41,38,34.9,29.1
1931,29.8,30.7,31,35.7,38.9,40.3,41.1,40.8,39.5,38.4,33,28.7
1932,30,30,30.7,36,37.2,41.5,40.7,38.4,38.9,37.1,32.3,28.4
1933,31,31.7,32.6,35.2,38.3,41.1,40.3,39,38.3,35.2,30.2,26
1934,28.3,29.8,32.1,36.5,38.4,42.4,41.5,39.7,40.8,38.1,33.7,31.2
1935,29.9,29.1,32.9,36.8,37.5,42.5,40.8,39.4,40.5,36.4,33.6,32.8
1936,31.9,31.2,33.8,36.4,38.2,41.9,40.7,39.4,40.5,37.5,32.7,29.9
1937,29.3,32.3,32.1,34.2,37.7,42.9,41.7,39.5,39.4,37.2,34.6,30.8
1938,29.1,32.1,33.1,36,39.3,43.1,40.4,39,38.7,36.8,33.4,28.8
1939,29.4,29.6,32.3,35.6,38.6,42.3,41,39.3,39.9,37.3,33.2,30.1
1940,28.8,30.5,32.6,33.5,37.6,42.7,41,39.5,39.6,37,32.3,28.9
1941,29.6,31.2,32.1,34.3,38.5,41,40.5,39.3,38.9,39.3,32.5,27.9
1942,27.2,29.4,32.3,36.5,39.8,42,40,38.5,39.6,34.9,32.5,28.4
1943,27.5,30.1,32.3,36.3,40.5,42.2,40.9,38.5,39.4,37.4,31.5,26.9
1944,27.4,30,32.4,36.4,40.3,42.4,41.3,39.4,39.3,36.2,32.6,26.6
1945,29.1,29.4,33.5,38.7,39.5,42,41.2,39.1,39.7,37.3,33.6,31.1
1946,27,29.5,32.8,35.7,39.4,41.3,40.7,38.8,39.5,37.3,33.4,28.2
1947,28,29.7,35,37.5,38.1,41.4,41.1,38.9,39.9,37.6,33.1,29
1948,28,31,34.1,34.2,38.9,41.3,40.6,39,39.7,37.1,33.2,28.2
1949,28.2,30.2,30.9,35.3,38.1,42,40.8,39.2,39.6,37.1,32.2,31.2
1950,27.1,30.5,34.3,32.8,39.1,43.3,40.2,38,39,37.2,34,27.9
1951,27.7,29.6,32.9,36.2,38.6,41.9,41.3,38.9,37.7,34.9,32.5,27
1952,25.8,29.6,31.2,33,37.9,43.8,40.9,37.9,37.3,37.2,33.8,29.4
1953,29.7,28.6,30.8,35.9,39.9,41.3,41.1,38.6,39.9,36.4,34,28.8
1954,27.8,28,31.8,33.6,41.3,41.2,40.1,38.1,40,38.3,32.4,28.1
1955,30.2,31.8,32.9,36.3,40.5,41.6,41.4,39.6,39.2,37.1,35.2,29.4
1956,29.9,28.5,31.4,34,39.9,42.1,40.9,39.6,39.4,37.3,33.3,26.2
1957,27.1,31.1,33.7,34.8,37.8,43,41.8,40,40.2,35.1,32,27
1958,29.8,33.1,35.5,36,41.4,42.8,40.7,38.8,40.5,38.1,31.6,28.2
1959,29.9,29.9,32.5,37.1,38.8,42.7,41.1,38.1,40.7,37.4,32.4,28.8
1960,29.6,33.2,32.9,32.9,39.8,41.2,40.6,40.1,39.3,38.5,33.9,26.1
1961,26.9,31,32.9,36.8,39.1,36.5,39.9,38.7,39.1,35.6,32.7,30.8
1962,29.5,29.2,32.5,34.3,38.3,41.3,40.6,39.7,39.1,37.2,32.4,28
1963,30.7,31.5,33.2,35.6,38.6,42,41.7,39.6,39.9,36.7,34,27.4
1964,28.9,32.1,34.5,35,40.9,42.5,41.4,39.2,36.7,36.4,33,28.5
1965,25.8,30.2,33.1,35.3,39.7,40.2,40.1,39.5,39.3,36.4,32.3,27.9
1966,30.1,33.4,32.8,36.9,39.2,41.9,41.3,40.6,38.3,36,31.6,30.5
1967,29.8,29.9,32.7,31.9,39.8,42.2,40.4,39.1,38.9,36.5,32.2,26
1968,28.2,29.3,32.1,35.3,38.1,42.1,40.7,39.3,40.4,37.9,32.9,30.7
1969,31.1,35.3,37.1,34.2,41,42,41.2,38.6,39.8,35.9,34.9,30.4
1970,31.4,33.6,34.1,37.6,40,44.1,41.3,39.3,40.2,38.6,34,29.2
1971,31,31.3,31.9,34.6,36.1,40.2,41.4,38.5,39.6,39.5,31.5,30.1
1972,29.2,30.3,30.9,35.3,37.8,41.4,41.9,39.8,38.6,38.6,33.9,27.2
1973,29.6,28.2,33.9,37.1,42,42.5,39.7,38.9,39.3,37.4,33.6,27.2
1974,29,29.8,28.5,33.1,38.3,42.8,40.2,38.6,39.4,36.6,33.7,29
1975,29.9,31.7,32.4,33.1,36.6,42.9,40.2,38.7,37.8,38.5,32,31.2
1976,26.8,28.5,30.5,34.3,36.4,42.4,42,40,40.2,35.3,35.3,28.6
1977,30.1,32.5,36.4,35.6,37.2,43.2,41.3,38.8,40.3,36.2,33.1,30.7
1978,28.1,32,32.8,35.3,38.8,41.6,39.4,39.4,39.3,36.6,32.9,30.3
1979,30,32.3,31.9,37.1,40.1,42.3,40.8,38.8,38.4,36.2,31.9,30
1980,28.8,30.9,32.3,37.3,36.9,42.5,40.1,38.6,39.3,36.9,32.2,27.1
1981,28.5,28.6,34.9,35.5,39.2,40.7,41,39.2,38.7,37.7,33,30.9
1982,28.9,29,31.7,35.1,37.9,41.2,40.7,39.2,39.6,36.1,32.9,27.1
1983,29.4,31.9,35,37.1,39.6,42.9,42.1,40.9,40.5,38.9,34.9,29.9
1984,27.2,31.7,31.5,36.8,37.6,33.7,39.9,40,39.1,37.7,32,27.2
1985,27.2,32.2,31.5,34,37,41.6,40.1,38.6,39.3,38.1,32.8,27.9
1986,27.2,29.5,30.9,36.6,39.7,40.7,39.9,39.3,39,36.6,31.9,28.2
1987,29.7,31.7,33.8,40.5,41.7,45.7,42.7,40.9,40.1,36.7,34,31.1
1988,27.9,29.6,33.4,36.1,39.3,37.6,40.7,39,39.5,37.4,32.7,28.1
1989,28.8,29.1,32.8,34.6,40.9,42.6,40.4,40.2,39.1,38.2,32.1,31.3
1990,26.4,33.3,36,34.3,38.6,40.8,41.1,39.6,40.7,39.3,33,29.2
1991,30,29.7,31.8,36.8,39.4,41.7,40.7,39.1,39.5,36.8,33.7,30.5
1992,30.3,30.9,32.1,34.7,39.5,41.4,40.5,38.7,40.3,36.3,32.6,29.5
1993,28.6,29.8,33.6,32.1,39.1,42.4,41.2,39.7,39.4,36.9,31.8,29
1994,27.7,31,32,35.8,37.7,41.9,39.7,38.5,37.6,35.8,34.6,29.3
1995,28.5,30.9,31.2,34.6,40.7,43,42.6,39.6,39.2,37.9,35.3,28.2
1996,31.7,31.6,31.9,35.6,39.5,42,41.3,39.9,39.8,37.9,33.2,29.5
1997,29.7,33,33.8,35.5,39.6,41.9,41.9,39.4,39.6,37.9,35.1,30.6
1998,29.1,33.5,36.4,37.2,38.7,43,40.8,39,39.6,38.5,34.4,28.5
1999,28.1,29.4,31.1,37,40.1,43,40.1,39.2,40,36.9,34.1,29.6
2000,28.4,30.6,34.1,37.2,38.9,40.3,40.2,39.1,39.3,35.5,32.5,29.9
2001,30.6,32,35,39.8,38.3,41.5,41,39.2,40.9,38.2,33.3,31.5
2002,30.6,31.4,33,35.6,39,42,40.4,40,40.1,38.3,34,30.8
2003,28.7,30.4,35,36.9,39.7,41.4,40.8,39.5,39.3,36.2,32.7,29.4
2004,30.8,31.5,34,36.3,39.7,41.8,41.7,40.5,40,38.1,34.1,26.5
2005,28.7,28.2,34.9,36.4,43.2,42.6,41.1,40.2,40.1,38,33.8,32.5
2006,29.2,29.9,34.7,37,38.1,42.8,42,39.9,40.2,37.9,36.6,29.5
2007,30.7,32.6,34,36,39.8,41.3,40.7,39.1,36.8,37.4,34.7,29.9
2008,29.2,32.4,36.1,38.4,40.2,42.5,41.2,39.3,38.9,35.8,33.8,29.3
2009,27.8,29.7,31.7,36.5,39.8,38,41.6,40.8,40.5,38.3,34.5,31.7
