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