1901,28.9,29.6,30.7,32.6,34.8,37.5,39.4,38.9,36.3,33.3,30.9,29.8
1902,29,28.8,30.5,31.7,33.7,38.2,40.4,40.1,36.7,33.2,30.6,29
1903,29.5,30.1,31.1,32.8,35,38.1,39.9,39.3,36.1,32.9,29.8,29.1
1904,28.2,29.6,30.8,32.6,34.5,38.5,39.3,39.1,36.1,33.1,30.7,29.2
1905,28.8,29,30.3,32.4,35,37.7,39.6,38.8,36.1,33.7,31.4,29.9
1906,28.9,29.8,30.5,32.7,35.6,38.4,39.5,39.1,36.3,33.7,30.4,28.8
1907,28.5,29.8,31.3,33.2,35.9,38.6,39.4,38.6,35.9,33.5,29.8,27.6
1908,28.6,29.1,31.3,33.2,35.8,38.7,39.4,38.8,37,35.3,29.4,28.1
1909,27.6,28.4,30.2,31.4,34.6,37.2,40,39.1,36.1,33.6,30.9,29.7
1910,29.1,30.1,31.3,32.9,35.9,38.4,40.4,39.3,35.9,33.4,31.4,30.2
1911,29.3,29.8,31.4,32.7,35.2,37.9,39.7,39,36.2,34.4,31.6,30.6
1912,29.3,29.2,31.1,32.4,34.6,38,39.4,38.8,36.1,33.2,30.8,29.2
1913,28.8,29.6,30.2,32.5,35.3,38.2,39.4,38.9,36.3,33.3,30.7,29.2
1914,29.7,29.2,30.6,32.6,35.5,37.7,39.1,38.6,36.2,32.9,31.3,29.4
1915,29.1,29.3,30.6,32.6,34.7,37.6,39.2,38.8,36.1,33.3,30.8,29.4
1916,28.5,29.1,30.5,32.7,34.5,37.5,38.9,38.7,36,32.9,30.7,29.2
1917,28.8,29.2,30.6,32.4,34.5,37.6,39.2,38.7,35.9,32.9,30.7,29.3
1918,28.6,29.1,30.2,32.3,34.5,37.5,39.2,38.7,36.3,33.2,30.7,29.5
1919,29.2,29.4,30.7,32.6,34.7,37.6,39.2,39.1,36.1,33.1,30.7,29.4
1920,28.7,28.9,30.4,32.5,34.5,37.7,39.2,38.5,36,33.2,30.8,29.4
1921,28.7,29.1,30.4,32.9,34.8,37.7,39.1,38.5,36.1,33.2,30.8,29.6
1922,28.9,29.3,30.4,32.7,34.6,37.7,39.1,38.6,36,33.2,31,29.5
1923,29.2,29.1,30.6,32.5,34.5,37.5,39,38.3,36.1,33,30.7,29.5
1924,29,29.4,30.6,32.6,34.8,37.7,39.1,38.7,36,33.2,30.8,29.5
1925,28.4,28.9,30.6,32.6,34.7,37.6,39.3,38.8,36.2,33.2,30.8,29.5
1926,28.8,29.3,30.4,32.6,34.7,37.8,39.2,39,36.3,33.2,30.7,29.4
1927,29.1,29.2,30.6,32.6,34.9,37.8,39.3,38.8,36.1,33.4,30.9,29.7
1928,29.1,29.3,30.7,32.6,34.6,37.7,39.3,38.8,36.2,33.2,30.8,29.5
1929,28.9,29.4,30.6,32.7,34.6,37.6,39,38.7,36.1,33.1,30.8,29.1
1930,28.7,29.4,30.4,32.6,34.7,37.5,39.1,38.9,36.2,33.2,30.6,29.5
1931,28.7,29.4,30.6,32.7,34.7,37.7,39.2,38.7,36,33.3,30.9,29.4
1932,29,29.2,30.7,32.6,34.6,37.7,39,38.7,36,33.3,30.8,29.5
1933,29.1,29.5,30.8,32.4,34.9,37.6,39.2,38.8,36.1,33.4,31.1,29.7
1934,28.8,29.2,30.6,32.8,34.7,37.6,39.1,38.8,36.1,33.2,31,29.3
1935,29.1,29.3,30.9,32.6,34.7,37.6,39.3,38.8,36.1,33.2,30.7,29.6
1936,28.9,29.5,30.8,32.7,34.9,37.7,39.3,38.7,36.1,33.3,31,29.6
1937,28.7,29.3,30.6,32.6,34.6,37.6,39,38.6,36.1,33.3,30.4,29.5
1938,28.6,29.5,30.6,33.4,35,37.5,38.7,38.4,35.9,33,30.9,29.5
1939,28.8,29.1,30.8,32.6,34.5,37.7,39.3,39,36.3,33,30.9,29.7
1940,28.8,29,29.9,32.8,34.8,37.9,39.3,38.9,36.4,33.4,30.9,29.8
1941,28.9,29.3,30.6,32.7,34.5,37.3,39.5,38.6,35.9,33.3,31,28.9
1942,28.7,29.6,30.2,32.9,34.3,37.8,38.3,38.2,35.6,32.8,30.5,29.4
1943,28.3,27.8,29.6,31.3,33.3,35.9,38.1,37.6,34.8,32.2,30.7,29.4
1944,28.8,28.3,30.1,32.1,34.4,37.7,37.9,38.5,35.6,33,29.5,29.2
1945,28.7,27.4,29.4,32.4,34.4,37.1,38.7,38.1,35.4,32.6,30.4,29
1946,28.8,29.7,29.9,32.1,35.1,36.8,39.1,38.7,36.6,34.1,31.2,30
1947,26.9,26.7,27.7,30.8,35.1,39.1,40.3,39.7,35.7,30.6,28.8,29.9
1948,29.3,27.4,32.4,30.2,33.7,35.9,38.9,37.8,35.2,31.5,28.5,28.1
1949,25.8,26.6,28.2,30.3,32,35.4,37.7,37.4,34.5,31.5,27.7,26.2
1950,26.5,26,28,29.9,33,35.4,37.4,37.3,34.8,30.9,27.7,26.4
1951,26.7,27.1,27.7,30.3,33.1,36.5,38.3,36.1,34.6,32,29.7,28
1952,26.8,27.2,28.4,29.9,32.6,36.2,36.7,36.2,33.9,32.7,29.4,27.8
1953,27.1,27.6,29.1,30.2,33.4,36,36.7,35.9,34.6,31.8,29.5,27.9
1954,28.1,28,28.1,30.5,33.5,36.4,37.1,34.8,35.1,31.1,28.9,27.7
1955,26.6,27.5,30.7,32.1,35,38.1,38.3,38.1,37.2,33.9,30.9,28.4
1956,27.5,27.5,29.9,32.2,34.5,36.2,37,35.2,35.6,32.2,30.1,27.8
1957,27.6,27.2,31.3,31.9,34.1,37.7,38.2,36.8,36.3,34.6,33.3,31.6
1958,30.7,29.7,31.2,34.2,35.5,37.3,38.2,38.1,36.8,34.7,31.9,31.3
1959,31.9,28.9,32.8,34.8,37.1,37.5,38.2,38.6,36.3,36.2,31.5,29.3
1960,28.3,29.5,33.2,32.4,34.8,37.4,38.1,38,36.7,33.7,31.7,29.5
1961,29.5,29.7,30.7,32.3,34.9,37.3,37.3,37.1,36,33.4,30.3,29.1
1962,28.6,30,30.8,32.7,34.9,36.4,39,37.6,35.6,33.5,31.5,30.3
1963,28.7,29.7,30.6,31.6,34.1,36.7,38.1,38.2,35.8,33.8,31.1,29.2
1964,28.4,28.9,30.6,32.1,32.9,36.2,37.7,36.7,36.3,32.6,31.6,30.4
1965,30.9,29.4,32.2,31.9,34.4,36.8,38.1,37.5,35.5,32.6,30.7,28.8
1966,28.6,28.3,30.1,32.1,34.3,37.5,38.9,37.4,35.5,33.3,31.4,28.8
1967,28.8,29.2,30.5,32.1,34.5,37.4,39.7,38.5,36.3,33,28.7,29
1968,27.9,26.6,28.6,30.8,34.1,37.3,39.7,39.5,35.8,35.4,30.5,30.2
1969,29.1,28.8,31.6,33.8,35,37.1,39.4,38.1,36,33,30.8,29.8
1970,29,29.7,31.3,33.4,35.4,37.8,39.3,40,36.9,33.2,30.3,28.5
1971,27.5,27.9,30.4,33.2,36.2,39.3,39.1,38.8,35.1,33.6,30.5,29
1972,29.2,29.3,30.9,32.2,35.2,38.5,39.7,38,36.1,33,31.3,30.2
1973,29.5,30.8,32.1,35,35.6,38.2,41,39.3,36.5,34.2,31.9,29.7
1974,29.7,30,30,33.9,36,38.1,41.2,40.1,36.9,35.5,32.7,31.6
1975,30.2,31.6,32.7,33.1,36.3,40.3,39.6,38.4,36.8,34.4,33.5,32.1
1976,31.8,31.2,31.7,33.9,35.2,37.5,40.3,39.3,36.8,34.8,30.9,30.7
1977,30.3,30.3,33,34.8,35.4,39.5,39.7,39.4,36.6,33,31.3,31.3
1978,31.3,29.9,30.8,34.4,36.2,38.6,37.7,38.4,35.3,32.9,30.3,28.5
1979,27.4,28.8,29.8,33.4,34.3,38,39.5,38.3,35.7,32.8,30.3,29.4
1980,28.8,29.8,30.7,33,35.6,38.4,39.2,38.4,36.1,32.7,30.9,29.4
1981,29.3,29.7,29.9,32.7,35.2,37.5,39.8,39.3,36.5,33.2,30.5,29.6
1982,28.6,28.9,30.3,31.4,33.9,36.3,38.7,39.3,35.8,31.4,29.7,29
1983,27.7,27.7,30.1,32.1,34.5,36.7,39.4,40.3,36.6,32.7,30.1,28.3
1984,27.3,27.8,29.1,32.2,33.4,38.3,38.8,38.3,35.3,32.2,30,28
1985,28.5,28.2,30.1,32.3,34.4,36.6,40,40.6,37.3,33.4,31,28.9
1986,28.2,28.6,30.9,31.9,33,38.8,39,38.8,35.2,31.6,29.5,27
1987,26.6,27.4,29,31,32.9,37.3,36.9,39.9,36.2,32,30.1,30.8
1988,28.4,29.9,30.6,32.5,35.1,37.9,39.9,40,37.8,33.1,30.1,28.9
1989,28.1,29.1,29.8,30.4,34.9,37.3,39,38.8,36,33.3,31.1,28.8
1990,28.1,29.1,30.2,32.6,35.7,38,39.5,38.6,36.7,33.9,31,29.9
1991,27.2,29.5,28.1,34.1,34.8,37.7,39.1,39.6,35.5,33.6,30.6,28.9
1992,27.5,27.9,30.2,32.8,34.9,37.7,39,37.9,35.6,32,31,30.1
1993,29.3,28.5,31,31.7,34.4,38.2,37.8,36.8,36.4,33.8,30.9,28.8
1994,28.7,28.8,30.7,34.2,35.3,38.4,39.6,38.5,35.8,32.7,29.8,29.9
1995,28.9,29.6,31.3,32.7,35.4,36.8,39.2,38.9,36.7,33.9,31.1,30.2
1996,29.4,30.2,30.6,35,35.4,36.1,39.6,39.2,36.9,33.5,30.4,30.1
1997,29.1,29.1,30.9,32.1,34.7,37.5,40.9,39.6,36.6,33.1,31.7,30
1998,29.1,30.5,32.5,34.9,36.1,39.6,40.3,39.3,38,33.3,32,30.7
1999,30,30.6,30.4,33.5,36.2,37.3,39.5,38.7,36.7,32.5,31.1,29.8
2000,29.3,30.8,30.5,33.9,35.4,38.7,40.1,38.9,36.3,33.2,31.2,30
2001,29,29.9,31,34.3,35.1,37.4,40.3,38.4,36.5,34.7,31.3,30.7
2002,28.7,29.5,31.2,33.8,36.5,38.1,40.9,39.8,37,32.6,31.7,31
2003,29.3,31.3,31.2,34.8,37.4,39.2,39.6,38.8,36.4,34,32.2,29.6
2004,29.9,29.8,31.3,33,35.6,36.9,40.3,39,36.5,32.5,31.5,30.4
2005,29.9,31.1,31.5,34.1,34.4,37.3,39,39.4,36.8,33.2,31.2,29.1
2006,28.8,30.9,30.9,32.9,36.7,37.9,39.1,39.2,36.7,34,31.7,28.9
2007,28.4,30.7,32.6,33.8,35.8,38.1,38.8,39.4,37.1,33.7,31,29.2
2008,29.2,28.7,28.2,32.7,35.8,37.3,39.7,39.7,37.5,33.6,30.3,29.8
2009,28.7,30.7,30.8,34.8,35.7,39.3,39.6,40.1,37.3,34.1,31.5,30.5
