1901,30.2,31.8,31,31.3,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1902,30.5,31.4,31.2,31.2,30.1,28.8,27.2,27.2,28.1,28.9,29.8,30
1903,30.8,32,31.5,31.4,30,28.4,27.2,27.1,28.1,28.9,29.8,30
1904,30.5,31.6,31,31.2,29.8,28.7,27.2,26.6,28.1,28.9,29.8,30
1905,30.4,31.4,31.4,31.7,30.3,28.4,27.2,27.1,28.1,28.8,30.1,30.3
1906,30.1,31.8,31.8,32.5,30,28.9,27.1,26.9,28.4,29.1,30,30.3
1907,30.3,31.5,31.4,31.4,30.4,28.7,27.3,27.4,28.2,29.3,29.8,29.7
1908,30.2,31.4,31.3,31.6,30.4,28.4,27.3,26.3,28.2,28.8,29.6,29.8
1909,30.5,32.1,32.1,31.8,30,29,26.9,27.3,28.1,28.6,29.9,30
1910,29.9,31.6,30.9,30.9,29.9,29.6,27.4,27,28.3,28.9,29.8,30
1911,30.1,31.6,31.7,31.6,30.2,28.9,27.2,27.1,28.1,28.9,29.9,29.9
1912,30.7,32.2,31.9,32.2,30.6,29.5,27.4,27.5,28.3,28.9,29.7,30
1913,30.4,31.5,30.7,31.1,30.1,28.8,27.6,27.5,28.6,28.9,29.8,30
1914,31.4,31.8,31.6,31.7,30.6,29,27.6,27.2,28.4,29.1,30.3,30.1
1915,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1916,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1917,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1918,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1919,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1920,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1921,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1922,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1923,31.3,31.7,31.1,30.7,30.3,28.9,26.9,26.4,28.1,29.2,30.3,30.6
1924,30.8,33.1,31.4,31.3,30.4,28.8,26.6,26.4,27.3,28.9,29.7,29.8
1925,28.9,31.1,31.2,31.3,29.9,28.5,27.1,26.5,28,28.5,30.2,30.1
1926,31,31.8,31.3,31.2,29.9,28.6,27.5,27.5,28.9,29.6,30.6,30.7
1927,30.7,32.3,30.9,31.2,30.6,28.9,27.2,26.5,28.8,29.1,30.2,30.7
1928,30.8,31,31,30.7,29.7,28.4,27.2,26.2,28.2,29,30,29.7
1929,30,31.9,30.7,30.5,30.2,28.1,26.5,26,27.5,28.7,29.9,28.9
1930,30.1,32.4,31.5,31.6,30.2,28.7,27.1,27.2,28.4,29.4,30.5,31.5
1931,30.9,32.9,31.2,32.6,30.6,28.9,27.3,27.1,28,29.7,30.9,31.3
1932,30.5,32.5,32.7,32.3,30.4,29,27.2,27.3,28.2,29.5,30.6,30.5
1933,31.1,32.4,32.1,31.8,29.9,28.4,27,26.8,28.2,28.8,30.9,30.6
1934,30.6,31.8,31.5,31.4,30.2,28.9,27.4,26.9,28.5,29.7,31.1,30.5
1935,31.5,32.6,32.7,31.8,30.6,28.5,27.4,26.8,28.1,28.6,30.6,30.8
1936,30.3,32.7,32.8,31,30.1,28.6,26.6,26.2,27.7,29.1,30.6,30
1937,30.4,32.1,32,31.6,30.1,29.1,27.1,27.1,28.3,29.9,30.6,30.8
1938,30.9,32.4,31.7,32.3,31.1,29.6,27.5,26.8,28.2,29.4,31.2,29.8
1939,31.2,32.8,32.3,31.1,30.2,28.8,27.4,27.1,28.1,29.5,30.4,31.2
1940,30.5,31.9,31.5,31.5,30.1,28.8,27.2,27,28.1,28.9,29.8,30
1941,32.6,32.6,33,32.5,31.2,29.8,27.1,27.4,28.7,29.8,30.3,31
1942,32.2,33.6,32.2,32.3,29.8,29.5,27.5,26.6,28.7,29.5,30.5,30.5
1943,31.1,32,31.7,31.6,29.3,27.9,26.9,26.6,27.8,29.4,30.8,30.9
1944,29.8,31.9,31.8,31.3,30.3,29.7,27.8,26.7,28.5,29.4,30.1,31
1945,31.9,31.5,31.1,31.4,29.9,29.6,27.6,26.4,28.4,29,30.1,29.5
1946,32,32,31.9,32.3,29.9,28.5,27.1,26.3,27.3,28.5,30.3,29.9
1947,30.9,33.8,31.5,31.8,30.6,29.7,27.7,27.5,28.3,29.4,29.7,30.6
1948,30.9,31.8,30.6,31.4,29.8,28.6,26.9,26.8,28.4,28.8,29.6,30.3
1949,31.1,32.1,32.3,32,30.8,29.8,27.6,27,28.9,29.3,30.3,29.4
1950,31.3,31,31.2,31.5,30.3,30.1,26.9,26,27.5,28.4,29.6,30.5
1951,29.8,30.8,31.1,31.7,29.6,29,26.8,27.1,27.6,28.5,29.2,31.1
1952,30.5,31.2,31.1,31.7,29.7,29.1,26.4,26.3,27.3,28.2,28.5,30.2
1953,30.1,31.1,30.9,31.1,29,28.4,26.5,26.5,27.6,28.4,29,29.9
1954,30.3,31,30.9,31.8,29.1,28.7,26.8,26,27.3,28.1,29.4,30.3
1955,30.1,31,30.7,31.2,29.3,28.4,26.3,26.3,27.3,28,28.8,29.8
1956,29.5,31.3,31.5,31.4,29.3,28.4,26.9,26.1,27,27.6,28.7,30
1957,29.6,30.9,30.5,31.7,29.8,28.7,26.5,27.2,27.5,28.2,29.3,30.6
1958,30.8,31.2,31.2,32.1,29.7,28.6,27,26.9,27.3,28.2,29.5,30.7
1959,30.1,31.3,31.2,32,29.4,28.6,26.8,27.2,27.5,28.6,29.2,30.6
1960,30.2,31.4,30.8,31.4,29.4,29,26.7,27.8,27.7,28.5,29.4,30.9
1961,29.5,31.2,31.5,31.7,29.4,28.2,26.1,27.7,27.6,28.7,29.4,30.4
1962,30.1,32.2,30.6,31.6,29.3,28.3,26.8,27,27.6,28.6,29.3,29.5
1963,30.8,31.4,30.9,31.7,30,30.2,27.8,27.4,28.9,29.2,30.1,30.5
1964,30.6,32.3,31.3,31.9,29.8,29,27.1,26.8,27.3,28.5,29,28.8
1965,28.7,30.8,31.3,31.3,30.1,28.6,27.5,27.4,28,29.3,30.7,30.5
1966,31.1,32.1,31.6,31.8,29.2,28.9,28.1,27.5,27.7,28.5,29.1,30.4
1967,30.2,31.7,31.3,32.1,29.8,28.3,26.4,26.3,27.5,27.8,29.2,30.2
1968,29.4,31.9,31,31.3,29.5,28.4,26.7,27.9,28.5,29.8,28.9,29.5
1969,30.8,33.4,31.3,32,30.1,29.6,26.7,27.8,28.2,28.9,29.9,30.5
1970,30.3,31.8,31.9,32,29.9,29.6,26.9,27,27.9,28.6,30.3,30.2
1971,30.4,31.9,31.6,31.4,30.7,28.7,27.2,26.5,27.7,28.6,29.5,28.9
1972,31,32.3,31.3,31.1,30.2,28.4,27.7,26.9,28.8,29.5,30.2,30.2
1973,30.7,32.6,31.4,32,30.6,29,28.4,27.1,28.5,29.2,30.4,29.8
1974,30.1,31.1,31.6,30.8,30,28.6,27,26.7,27.6,28.5,29.4,29.4
1975,30.1,31.4,30.9,30.9,29.7,28.6,27.3,25.7,28.1,28.6,28.8,29.1
1976,30,30.6,30.6,30.2,29.7,27.8,26.8,26,28.5,28.7,28.7,29.6
1977,29.9,31.6,31.4,31.7,30.9,28.1,27.1,26.3,27.8,29.2,30.2,29.5
1978,31.4,32.3,31.5,30.1,30.2,28.3,26.9,26.6,28.3,28.6,30,31
1979,31.7,32.2,31.5,31.4,30.5,28.4,27.4,26.2,28.7,29.4,30,29.8
1980,31.6,31.9,31.8,31.4,30.2,28.7,27.5,26.4,28.8,29.8,30.2,28.8
1981,30.4,32.8,31.8,32,29.9,29.3,26.3,26.9,28.3,28.8,29.5,31
1982,30.2,31.4,31.3,31.9,30.7,28.3,26.6,26.1,27.7,28.7,29.3,30.6
1983,29,33.7,32.6,31.8,30.4,28.9,26.7,26.8,28.4,28.9,29.9,29.3
1984,31.1,31.8,31.2,31.9,29.4,28.8,27.9,28.1,28.1,28.7,29.6,29.8
1985,30.5,32.1,31.6,30.6,29.8,28.6,27.6,27.3,28.6,29.1,30.1,29.1
1986,30.4,31.9,30.8,31.6,30.6,29,26.3,27,28.3,28.4,29.7,29.6
1987,31.8,32.9,31.3,32.1,30.9,29.9,28.2,27.8,29.1,28.9,31,31
1988,30.4,32.5,32,31.7,30.5,28.6,27.3,26.8,27.5,28.9,30.7,29
1989,30.6,32.3,31.5,30.7,30.6,29.5,27.3,27.8,28.1,28.3,30.5,30.4
1990,30.5,31.7,32.6,31.5,29.9,29.9,26.8,26.8,28.4,29.2,30.1,29.5
1991,30.9,32,31.7,31.4,29.7,29.7,27.4,26.9,28.7,28.4,30,29.9
1992,30.4,32.9,32.1,32,30,28.5,27,27.1,27.6,28.7,30.2,30.5
1993,30.6,32.3,31.9,31.8,30.7,28.7,27.2,27.3,28.7,29.4,30.6,30.4
1994,30.3,31.5,31.9,31.7,30.2,29,27.1,27,27.9,29.2,30.7,29.9
1995,31.6,31.8,30.5,32.1,30.6,29.5,28.4,27.4,28.5,29.7,31.1,31
1996,31.1,33.5,32.5,31.4,29.2,28.9,28.3,27.2,28.4,29.2,29.8,30.1
1997,30.8,32.1,31.3,30.4,30,28.9,26.9,28,29.5,30.1,31,30.3
1998,31.2,33.8,33.6,32.8,30.8,30.3,27.6,27.1,28.8,29.5,31.2,30.9
1999,30.6,32.5,32.4,31.7,30.2,29.3,27.4,27.3,27.8,28.2,30.4,30.9
2000,30.8,31.4,32.2,31.7,31,29.1,27.2,27,28.3,29.5,30.6,30.7
2001,30.4,31.9,31.6,31.3,30.4,29,27.7,26.5,27.3,28,31.2,31.1
2002,30.3,32.2,31.4,31.5,30.5,29.2,27.7,27.6,28.3,28.2,30.5,30.7
2003,31.2,33.5,31.9,32.1,30.6,28.8,27.6,27.2,28.9,29.6,30.9,30.5
2004,31.1,32,32.3,31.8,30.1,28.7,27.1,27.2,28.5,29.4,30.5,31.2
2005,30.9,33.9,33.2,32,30.4,28.4,27.1,27.3,28.8,30.1,30.3,31
2006,31.8,32.6,31.4,31.8,30.6,29.6,28,27.4,28.4,29.5,30.1,29.5
2007,30.5,32.6,31.6,31.1,30.5,29,27.7,27.8,28.6,29.1,30.9,30.7
2008,30,31.5,31.5,31.3,30,29.2,27.3,27.4,28.7,29.5,30.9,30.9
2009,31.2,32.6,32.1,32.5,31.2,29.4,27.5,27.3,28.7,29.1,29.7,31
