1901,29.7,29.8,30.2,29.1,28.4,26.6,26.4,28,29.8,31.3,32.2,30.4
1902,29.7,29.8,29.8,29.6,28.3,27.2,27.2,28.5,30.6,31.4,32.3,31
1903,29.8,30.1,30.1,29.8,29,27.2,26.5,28.5,31.3,32.3,31.9,30.3
1904,29.3,29.4,29.3,29.3,28,27.2,26.3,28,29.4,31.9,32.4,30.1
1905,29.8,29.8,29.5,28.9,28.4,28,26.4,28.6,30.6,32.7,32.3,30.9
1906,30.4,29.6,29.9,28.9,28.6,26.9,26.6,27.9,30.1,31.6,31.6,30.6
1907,29.9,29.5,29.8,29.2,28.4,26.8,25.9,27.5,30,32.1,32,30.7
1908,29.7,29.7,30,29.5,27.8,27,26.6,28.5,30.4,32.6,32.6,30.7
1909,29.7,30,30,29.2,28.4,26.7,26.8,28.4,30.2,31.9,32.2,30.8
1910,29.9,29.8,29.8,28.9,28.1,26.8,26.4,28.1,30,31.6,31.9,30.5
1911,29.4,29.5,29.6,28.8,28.3,26.4,26.2,28,29.9,32.3,32.5,31.5
1912,30.4,30.2,29.9,29.7,29.2,26.9,26.4,28,30.7,32,33.3,30.5
1913,29.8,29.9,30,29.2,28.7,26.6,26.8,28.4,30.5,32.6,32.8,30.5
1914,30.2,29.9,30.6,29.2,28.9,27.4,26.5,28.5,31,32.8,32.9,31.1
1915,30.1,29.8,30,29.7,28.3,26.9,27,28,30.7,33.1,32.8,31.1
1916,30,29.6,30.2,29.3,28.2,27.1,26.2,28.1,30.6,32.8,31.9,30.5
1917,30.2,30.2,30,29.3,28.9,27.3,27.2,28.2,30.1,32.1,32.4,30
1918,29.4,29.6,29.9,28.8,28,26.4,26.4,26.9,30.4,33.2,32.6,31.1
1919,30,29.8,30.2,29.6,27.8,26.8,26.4,27.9,30.3,31.5,32.2,31
1920,30.3,30.2,30.1,29,29,27.1,26.6,28.3,31.1,33,32.7,31.2
1921,30.2,30.4,30.4,29.2,28.4,27.2,26.6,27.9,30.4,32.5,32.3,30.6
1922,30.2,29.9,29.8,29.3,28.8,27.2,26.5,29,30.7,32.2,32.9,31.1
1923,30.2,29.9,30.1,29.6,28.5,27.1,26.7,28.1,30.8,32.4,33.5,30.9
1924,29.7,30.1,30.9,29.4,28.9,27.3,26.5,28.1,30.4,32,32.4,30.4
1925,29.6,29.8,30.1,29.8,28.7,28,27.1,28.6,30.2,32,32.7,31.1
1926,29.8,30.8,30.5,29.3,28.3,27.1,26.5,28.1,30.1,32.3,32.8,30.7
1927,29.9,30,29.8,29.1,28.2,26.7,26.7,28.1,30.2,32.2,32.4,31.2
1928,30.5,30.1,30.1,29.1,27.9,27.3,26.6,28.1,30.7,32.3,33.2,31.1
1929,29.8,30.1,29.9,29,28.6,27.3,27.2,28,31,33.1,33.5,30.9
1930,29.5,30,30,29.1,27.8,26.3,26.3,28,31,31.5,33,31.4
1931,29.7,30.4,30.1,29.3,29.1,26.7,26.9,29.1,31,32.9,32.4,31
1932,30,30.1,29.9,29.1,27.4,26.4,26.3,27.7,30.6,32.3,32.5,31
1933,29.8,30,29.9,29,28.3,27.1,26.8,28.1,29.8,32.3,32.7,30.2
1934,29.7,29.1,29.3,29.2,28.9,26.8,26.6,28.3,29.6,32.1,32,30.2
1935,29.9,29.2,29.6,28.1,28.3,26.1,26,26.5,30.4,32.7,31.8,30.3
1936,29.7,30,29.8,28.5,28.4,26.7,26.2,27.2,29.1,32.4,33,30.3
1937,29.5,30.2,30.1,29.1,28.6,27.1,26.4,27.7,30.6,32.3,33.1,30.5
1938,29.6,29.8,29.6,29.7,28.5,27.1,27.1,28.3,30.4,32.7,32.6,30.7
1939,29.5,30.8,28.9,28.6,28.2,25.4,26,27.9,29.2,32.1,31.9,30.4
1940,29.6,29.6,30,28.8,28.1,26.8,26,27.7,30.5,30.7,32.4,31.9
1941,30.1,30.9,30.2,29.7,28.4,26.1,26.2,27.8,30.6,32.1,32.8,31.5
1942,31.1,31.4,31.3,29.7,28.7,27.4,26.1,28.3,30.4,31.5,32.2,31.5
1943,30,29.9,30.3,29.9,28.6,26.4,25.6,27.6,29.1,31.2,32.7,31.7
1944,30.8,30.7,30.1,29.5,28.2,27,26.6,27.5,30.4,32.5,32.8,31.1
1945,30.2,30.5,30.9,30,28.6,25.5,25.9,27.9,29.3,33.2,32.3,32.1
1946,30.8,30.9,30.4,29.3,28.7,26.3,25.6,27.3,29.2,32.1,32.1,31.6
1947,30.8,31,30.3,29.6,28,26.2,26.4,27.5,30.1,32,32.5,30.9
1948,30.1,29.8,30,29.4,28.6,27,26.7,28.3,30.2,32.6,32.7,31.4
1949,30.4,29.8,30.3,29.5,28.2,26.8,27.2,29.5,31,32.5,32.8,31.2
1950,28.9,29.4,29.6,29.4,27.4,26.5,27.1,28.1,30.1,31.4,32,31.1
1951,29.8,29.5,29.8,30.2,28.9,27.4,27.2,29.1,30.7,32.7,33,31.1
1952,30.4,29.9,30.3,29.6,28.5,26.7,27,29,31,32.5,32.4,31.2
1953,30.6,30.7,29.7,30.4,28.7,26.7,26.4,28.2,29.4,32,33.7,30.6
1954,29.6,30.4,29.7,29.3,28.7,25.9,26.6,28.3,30.5,32.6,31.8,31
1955,29.8,29.5,29,28.9,27.6,26.2,26.6,28.1,30,32.3,32.8,30.7
1956,28.7,29.5,29.9,28.4,28,26.1,26.1,28.3,29.6,31.9,32.4,30.2
1957,29.2,29,29.7,29.1,28,27.1,27.5,28.1,30.8,32.7,34.6,30.4
1958,30.3,29.7,29.7,30.5,28.8,26.5,26.3,28.1,31.1,32.6,32.9,30.5
1959,30.2,29.9,29.9,30,29.9,27.7,26.6,28.3,30.2,31.9,32.5,30.7
1960,29.6,29.7,28.9,29,28.5,26.7,26.1,28.7,30,32.2,32.3,31.4
1961,30.3,30.1,30.1,29.7,29.3,27.4,26.1,27.8,30.5,32.8,31.7,29.3
1962,28.7,29.5,29.8,29.2,27.4,27.6,26.7,28.1,30.3,31.6,32.2,30.7
1963,29,29.3,29,28.3,27.3,26.3,27.2,28.3,30,32.6,30.2,29.9
1964,29,29.9,29.7,29.3,27.7,27,25.4,27.5,29.8,31.9,32.5,30.4
1965,28.6,28.8,28.6,28.6,27.4,26.1,26.4,28.1,29.6,31.5,32.3,30
1966,30.1,29.9,30,29.2,28.8,26.9,27.2,28.7,30.7,32,32.1,30.9
1967,30.1,30.1,29.7,29.3,28.3,27.1,26,27.7,29.9,32.1,31.7,29.5
1968,29.3,29.3,29.1,28.7,28.5,26.1,26.4,30,29.9,32,31.3,30.2
1969,29.9,29.7,30.3,29.5,28.3,27.2,27,27.9,30,32.7,32.5,30.7
1970,29.3,29.9,30.1,28.8,28.9,27.2,27.9,28.7,30.8,31.9,32,29.6
1971,29.1,28.7,29.9,29.4,28.3,26.6,27.1,29,30.5,31.4,32.2,30.8
1972,29.7,29,30,29.3,28.5,26.9,26.6,28.3,30.7,31.8,31.7,30.6
1973,29.8,30.3,30,28.3,29.3,26.1,26.5,28,30.9,32.2,32.5,30.3
1974,28.7,29.2,28.9,28,27.4,26.7,25.6,28.6,30,31.7,32.4,30.1
1975,29.9,29.9,29.1,28.7,28.7,26.5,26.9,27.2,29.7,31.4,32.5,31.1
1976,29,29.2,29.5,29,27.7,26.7,26.3,27.6,30.4,31.6,33.7,31.8
1977,29.6,30.4,29.8,29,28.6,27.3,26.7,28.4,30.4,32.4,32,31.1
1978,29.6,30.4,29.2,28.7,28.5,26.4,25.3,29.6,30.9,32.1,31.5,29.1
1979,30.1,29.5,29.5,28.8,28.4,26.4,26.4,28.6,30.5,32.3,31.9,31.1
1980,30,31.3,29.7,28.9,28.8,26.6,26,27.5,30.4,31.8,33.1,30.4
1981,31.5,30.4,30.4,29.3,27.5,26.8,26.6,28.2,30.2,31.3,33.4,31.1
1982,30,30.2,30.7,29.4,27.8,27.4,26.8,27.7,29.5,31.1,31.8,30.8
1983,30.7,30.9,30.6,30.2,29.8,28,27,27.5,30.8,31.9,33.7,30.8
1984,29.9,29.3,29.9,29.1,28.4,26,26.1,27.5,30.8,31.9,31.8,30.2
1985,30.7,29.6,30,29.1,28.3,26.9,26.7,27.8,30.1,31,30.8,30.4
1986,29.4,30,30,29.6,29,26.2,26.7,28.4,30.4,32,31.8,30.5
1987,30.3,31.1,31.1,30.7,29.4,27.4,27.5,28.5,30.7,31.8,33.6,32.6
1988,31.1,30.9,31.3,30.6,28.7,27.9,27.6,28.6,30.6,32.3,31.7,31
1989,29.2,29.4,29.7,28.9,28,26.8,26.7,27.9,29.8,31.7,32.3,30.8
1990,30.4,30.7,31.1,30.2,28.9,27.6,27.7,28.1,29.9,33.1,33.7,32.3
1991,30.5,30.6,30.4,29.2,28.9,27.6,27,28.5,31.2,32.6,32.3,30.7
1992,30.4,31.1,30.8,30.4,29.3,27.6,26.5,27.8,30.6,32.5,32.7,32.2
1993,30.3,30,29.6,30,29.3,27,26.3,27.8,30.1,32.4,32.3,32.3
1994,30.8,30.2,30.9,30,28.2,27.4,27,28.1,30.5,31.6,33.6,31.5
1995,30,30.6,30.7,29.8,28.8,27.4,27.2,28.7,30.7,32.9,33.3,31.3
1996,30.9,29.9,30.2,29.1,28.3,26.7,26.9,28.9,30.7,31.9,34,31.4
1997,30.5,29.1,30.3,29.6,28.6,27.6,26.7,29.3,31.3,31.7,33.2,31.2
1998,30.8,30.7,31.6,29.8,29.7,27.7,27.3,28.5,30.2,32.2,33.2,31.3
1999,30.2,30.4,30.1,29.2,28.9,26.9,26.5,27.7,30.1,31.7,32.4,32.3
2000,30.4,29.7,30.2,29.6,29.8,27.5,26.8,27.6,30.6,30.8,31.6,30.4
2001,29.6,29.7,30.9,29.2,28.7,27.3,27.2,29,30.6,31.8,33.7,31.5
2002,30.6,30.3,30.7,29.4,28.8,27.3,27.9,28.4,30.4,32.5,33.2,31.3
2003,30.3,30.1,31.2,29.5,29.1,27.4,26.1,28.6,30.4,33.4,33.4,30.7
2004,31,30.5,30.9,29.2,28.1,27.1,27.1,29.1,31,32,32.2,30.2
2005,30.3,31.2,31,29.9,29.3,28.3,26.9,29,31.3,32.6,33.4,31.4
2006,30.4,30.5,30.3,28.8,29.5,26.8,26.7,28.5,29.9,32.2,32.5,30.4
2007,29.7,29.8,30.2,30.1,28.7,27.3,26.9,29.5,31.3,31.8,32.9,30.2
2008,29.6,29.8,29.7,29.2,29.4,26.5,27,28.4,31,32.8,33.5,30.8
2009,31.3,30.4,30,29.1,28.7,28.5,26.2,28.3,31.5,32.3,32.6,31.8
