1901,29.8,29.3,30.5,31.8,32.6,32,31.3,31.2,31.5,31.1,30.5,29.7
1902,29.9,28.6,30.5,31.6,32.5,31.9,31.1,31.3,30.9,31,30.3,30.1
1903,28.7,28,29.3,30.1,30.9,31.3,30.4,31.5,30.7,29,28.7,27.5
1904,27.3,27.2,28.7,29,30.4,31.1,29.7,30,28.9,29,28.3,27.8
1905,28.8,28.4,29.7,30.4,31.1,30.2,29.2,30.4,29.8,29.4,29,29
1906,28.8,29.3,30.2,31.6,31.5,30.2,30.4,30.1,29.4,29.2,29.1,28.9
1907,27.9,27.8,28.7,29.8,30.6,30.7,29.5,30.6,29.6,30.4,29.5,28.6
1908,28.6,28.5,29.2,30.6,30.7,30.3,29.5,30.7,29.9,30,28.8,28
1909,28.6,28.9,29.6,30.5,31,31.2,29.8,30.9,29.4,29.9,28.6,27.8
1910,28.6,28.4,29.1,29.7,30.8,30.9,30.6,30.6,29.5,29.8,29.4,29.3
1911,29.8,28.7,30.1,30.5,30.5,31,30.5,31.1,30.4,30.6,29.7,29.8
1912,28.7,30,30.4,31.8,32.5,32.5,30.8,30.9,30.8,30.1,29.6,29.6
1913,30,29.3,30.1,30,30.5,31.1,30.2,30.1,29.9,29.7,29.7,29.3
1914,28.9,28.5,30.7,31.2,31.5,30.7,30.2,30.3,29.9,30.5,30.4,29.7
1915,29.5,30.6,30.8,31.9,31.4,31.8,31.1,31.2,30.4,29.7,30.2,28.8
1916,27.9,28.9,29,30,29.7,30.2,30.4,30.9,30.3,30.3,29.4,29.1
1917,28.7,28.4,29.9,30.7,30.2,30.6,30.2,30.7,30,29.4,28.9,29.1
1918,26.4,27.4,28.6,29.5,30.5,30,30.4,30.1,30.6,29.7,29.7,28.1
1919,29.2,29.7,30.1,31.3,31.6,31.1,30.1,30.8,29.8,29.8,29.2,28.9
1920,28.5,29.3,29.5,30.4,30.9,31.1,29.8,31.2,29.8,29.8,29.2,29.1
1921,28.6,28.9,29.5,29.9,31,30.8,30.2,30.4,30.1,29.8,28.8,28.5
1922,28.6,28.5,29.3,30.9,30.6,30.8,29.5,30.4,29.8,30.3,29.6,28.8
1923,28,28.8,29,30.5,31,30.7,30.6,30.6,30.1,30.1,29.3,29.3
1924,28.7,28.8,29.3,31.2,31.5,30.8,30.5,31,30.6,29.7,29,27.4
1925,29,27.9,28.4,29.5,30.7,30.4,29.9,31,30.1,29.8,29.2,28
1926,27.9,29,29.4,31.3,32,31.1,29.9,30.5,30.3,29.7,28.9,27.7
1927,27.7,29.1,30,31,31,30.9,30.1,30.7,31.2,29.9,29.5,29
1928,29.3,28.3,29.9,30.2,31.2,30.9,29.9,31.5,30.6,29.9,30,28.8
1929,27.7,29,28.8,29.9,31.1,31.1,30,30.3,30.7,30,29.2,28.6
1930,28.8,28.8,29.9,30.6,30.6,30.8,30.7,30.9,31.2,31.4,30,28.6
1931,29.3,30,30.6,31.5,32.3,32.1,30.9,31,30.6,29.9,29.6,28.7
1932,27.7,28.3,29.4,30.7,30.5,31,30.4,31.5,30.2,30.4,29,28.5
1933,28.5,28.6,29.7,31,31.9,30.7,30.5,30.7,30.5,29.5,29.1,28.7
1934,28.1,27,29.5,29.8,30.7,30.6,30.3,31.2,30.4,30.1,29,27.9
1935,29.1,29.3,29.8,30.2,31.8,30.9,31.5,31.2,30,30.3,29,28.7
1936,28.6,29.9,29.7,30.3,31.1,31,30,30.4,30.7,30.1,29.7,29.7
1937,29.4,30.1,30.4,31,31.1,31.9,30.7,31,30.5,29.7,29.8,29.7
1938,28.9,29.2,30.3,29.6,30.8,30.1,30.7,31.9,31.1,29.9,29.2,28.7
1939,28.2,28,29.4,31.3,30.4,31.7,31.1,31.4,30.5,30.1,29.3,28.2
1940,28.6,28.4,30.4,31.5,32.5,31.9,31.2,31.1,30.9,30.7,30.2,29.4
1941,29.5,29.3,30.2,31.2,32.1,31.6,30.9,31.6,30.8,30.8,30,29.6
1942,28.9,29.4,30.4,31.2,31.8,31.4,30.8,31.1,30.8,30.7,29.9,29.3
1943,28.7,29,30,30.7,31.6,31.1,30.8,31,30.9,30.4,29.9,29.3
1944,29.1,29.3,30.2,31.3,32,31.5,31,31.3,31.1,30.8,30.2,29.6
1945,29.1,29.3,30.2,31.2,31.9,31.4,30.9,31.3,31,30.8,30.4,29.5
1946,28.9,29.5,30.2,31.6,32.4,31.6,31,31.3,30.8,31,30.8,30.4
1947,30,29.5,30.4,31.7,32.1,32.2,32,32.3,32.1,31.2,30.1,29.8
1948,28.8,28.7,29.1,31.1,31.5,31.3,30.8,30.8,30.3,30.4,29.1,29.1
1949,28.1,28.7,29.1,30.5,31.2,31.2,30.6,30.8,30.5,30,29,28.7
1950,28.5,28.7,29.1,30.8,31.1,30.7,30.4,30.8,30.2,29.9,29.2,27.9
1951,29.5,29.2,29.8,31.5,30.9,31.1,30.7,31.1,30.9,31.2,30.6,29.6
1952,29.8,29.9,29.9,31,31.2,30.6,30.7,30.3,30.5,30.4,30.7,29.4
1953,29,29,30.1,31.6,31.5,30.7,30.9,30.7,31.1,31,30.4,29.4
1954,29.9,30.2,30,31.4,31.2,31,30.9,31.2,30.9,30.7,29.5,29
1955,28.5,29.4,29.7,31.4,31.3,30.5,30.6,31,31,31,29.8,28.3
1956,28.4,29.5,29.5,29.8,30.3,30.6,30.9,30.5,31,30.7,30.4,28.7
1957,29.2,29.3,30.2,30.7,31.5,31.5,30.4,30.9,31.3,31,30.7,30.6
1958,30.1,29.8,30.2,31.1,31.8,32.1,31.6,31.1,31.5,30.3,30,29.6
1959,29.3,29.9,29.5,31.1,31,31.9,30.9,30.7,31.4,31.2,30.6,29.8
1960,29.6,29.1,30.5,31.1,31.6,30.9,31.3,31.5,31.1,31.1,30.1,29.8
1961,28.3,29.3,30.7,31.6,31.7,30.7,31.2,30.9,31.6,30.9,30.6,28.8
1962,28.4,27.7,29.4,31.7,31.7,31.7,31,30.8,30.4,31.8,30.4,30
1963,26.9,26.8,28.5,30.6,32,33.3,31.9,30.7,31.5,31.3,30.7,30.4
1964,30.4,29.1,30.1,31,31.1,31.1,31,31.8,31.3,31,30.5,29.9
1965,28.8,28.8,28.9,30.4,32,30.9,30.3,31.1,31.2,31.2,30.7,30
1966,30.4,30.6,30.7,32.3,31.4,31.9,30.3,31.5,32.1,31.5,31,30.1
1967,28.6,28.2,29.1,31.3,32.1,32.4,31.1,31.2,31.5,30.9,30.3,29.3
1968,28.8,29.1,30.1,31.3,32.4,32,32.1,31,31.7,31,29.7,28.9
1969,30.1,30,30.6,31.4,32.4,31.5,30.8,31.5,31.4,31.8,30.7,29.8
1970,30,29.5,31,31.9,32.2,31.9,31.5,31.5,31.7,30.8,29.9,30.1
1971,28.3,28.3,28.6,30.4,31.1,30.1,30.4,31.5,31.6,30.1,29.8,30.5
1972,27.9,29.8,29.1,30.7,32.4,31.1,32.1,31.5,30.9,31.7,30.6,30.4
1973,30.9,30.6,30.6,31.3,32.4,32,30.7,30.8,30.4,30.3,29.2,28.9
1974,28.3,28.3,29.6,30.5,31.2,30.2,30.8,31.3,31.7,30.1,29.9,28.9
1975,28.7,28.9,29.9,30.2,31.2,30.8,30.9,31.2,30.5,30.9,30.3,28.7
1976,28.4,29,29.8,31.4,30.7,30.1,29.9,30.6,30.9,30.8,30.4,29.7
1977,29.9,28.8,29.7,31.6,32.3,31.7,31,30.9,30.4,31.1,29.8,29.3
1978,29.3,29.4,30.9,31.3,32,31.6,32,31.7,30.8,31,29.9,30.2
1979,29.9,30.5,30.4,31.6,32,30.8,31.4,32.5,31.7,30.9,30.4,29.1
1980,29.5,29.4,30.5,30.8,32.6,30.4,30.4,30.7,31.2,30.4,30.6,29.8
1981,27.7,29.1,31.1,32.3,31.8,32.2,30.6,31.9,30.8,30.2,30,29.1
1982,29.5,29.5,29.7,32,32,31.9,30.3,31.1,30.5,30.9,30.8,29.6
1983,30,31,30.5,32.3,32.3,32.8,30,31.4,30.6,30.5,29.3,28.5
1984,29.2,29.3,30.3,31.1,31.9,31.6,31,32,30.8,30.1,29.9,29.5
1985,28.8,30.7,30.8,30.9,31.9,31.9,31,31.7,30.2,30,30.6,29.8
1986,28.1,29.6,29.9,30.8,32.6,31.6,31.1,30.9,30.7,30.2,29.9,29.7
1987,29.3,29.3,31.5,33.7,33.9,32.5,30.7,31.3,31.8,31.6,30.3,30.9
1988,31.7,31.1,32.1,32.1,33.2,31.4,31,31.3,31.1,30.4,29.3,28.7
1989,29.6,29.6,30.1,31.5,31.7,31,30.7,31.1,31.4,30.9,30.4,29
1990,29.9,31.5,31.6,32.9,31.4,31.3,32,31.4,31.2,31,29.6,30
1991,30,30.6,30.8,31.1,31.5,31.2,31.1,31.4,31.4,31,30,30
1992,29.7,30.2,30.7,32.1,32.5,32.2,30.5,32.3,31.9,31.1,30.8,30.3
1993,29.8,29.7,30.9,32.1,32.9,33,31.9,31.6,32,31.7,31.1,30.3
1994,30.4,30.5,31.3,31.8,33.1,31.9,31.9,32.4,30.9,32,30.9,29.3
1995,30.3,29.7,30.3,31.8,32.8,32,31.8,31.9,31.4,31.8,31.4,30.2
1996,28.3,28.2,30.1,31.1,31.3,31.6,31.1,31.4,31.2,31,29.2,29.5
1997,28.4,29,29.6,31,32.1,32.1,31.5,31.8,31.4,31.1,31,30.4
1998,30.5,31.2,31.5,32.8,33.4,32.4,32.5,32.3,31.8,31.1,30.6,30.7
1999,29.3,29.3,30.2,31.1,32.5,31.1,31.5,30.6,31.1,31.2,30.3,30.1
2000,30,29.3,30.8,30.1,32,31.6,31.5,31.5,31.4,31.1,31.2,29.7
2001,30,30,30.7,32.4,32.6,32.4,31.3,31.3,31.5,31.2,29.6,29.4
2002,29.6,29.7,31.2,31.7,32,32.4,30.5,30.6,30.8,31.1,30.9,30.5
2003,29,30.3,31.7,32.9,32.5,31.6,30.2,31.7,31.1,30.5,31,29.4
2004,29.5,29.6,30.5,32.3,32.2,31.5,30.7,31.7,31.4,30.5,30.8,29.9
2005,31.1,30.9,31.4,32.1,33.1,32.1,30.8,31.3,30.8,31.2,30.4,28.8
2006,29.9,29.8,31.2,32.5,31.5,31.3,31.7,30.6,30.4,30.6,31,30.8
2007,29.5,30.6,31.5,32,32.8,31.8,31.2,31.6,30.7,30.3,28.6,29.6
2008,29.7,28.5,30.2,31.1,31.3,31,31.4,31,30.6,30.9,29.9,29.5
2009,28.4,29.2,30.8,31.1,31.4,31,30.3,32,32.3,31.6,30.3,30
