1901,30,31.1,30.2,29.1,27.6,26.4,26,26,27.2,27.8,27.9,29.7
1902,30.3,30,29.7,28.1,26.5,27.7,26.9,27.2,27.8,27.8,27.8,28.7
1903,31.4,32.4,31.2,29.6,28.3,27.3,26.4,26.5,27,27.5,27.1,29.1
1904,29.2,31.4,30.9,29.4,27.6,28.1,25.7,26.2,27,27.4,27.5,28.4
1905,29.8,30,29.5,28.7,28.2,26.7,26,25.7,27,28.1,28.6,29.9
1906,30.4,31.3,30.2,29.8,28.3,27.5,26,26.3,27.4,28.5,27.3,28.4
1907,29.9,31.5,31.2,30.3,29.1,27.9,25.8,25.8,26.8,28.2,26.9,27.2
1908,29.5,30.4,30.9,29.9,29.2,28.1,25.9,25.9,27.9,29.8,26.4,27.5
1909,28.7,29.4,29.6,27.8,27.6,26.4,26.6,26.1,27,28.5,28.2,29.5
1910,30.7,31.7,31.3,29.7,29.1,27.8,26.8,26.2,26.9,28.5,28.9,30
1911,31.3,31.8,31.5,29.3,28.2,27.1,26.2,26,27.4,29.3,29,30.2
1912,30.6,30.5,30.6,28.7,27.4,27.1,25.8,25.7,26.9,27.5,27.6,28.5
1913,29.5,31,29.1,28.8,28.2,27.3,25.9,25.9,27.2,27.5,26.8,28.1
1914,31.3,30.4,29.9,28.6,28.3,26.8,25.6,25.6,27,27.1,28.4,28.8
1915,30.1,30.5,30.1,29,27.5,26.6,26,25.9,27,27.5,27.9,29.2
1916,29.4,30.7,30.1,29.1,27.4,26.5,25.4,25.5,26.7,27,27.6,28.5
1917,29.6,30.3,29.3,29.1,27.3,26.3,25.6,25.9,26.4,27,27.8,29
1918,29.6,30.1,29.4,28.9,27.6,26.4,26.3,25.8,27.6,27.6,28,29.3
1919,31,31.2,30.2,28.7,27.5,26.6,25.9,26.4,27.4,28.1,27.8,29.2
1920,29.5,29.4,29.2,28.3,27.1,26.4,25.7,25.3,26.6,27.2,27.2,28.4
1921,29.2,29.6,28.8,29.4,27.4,27,25.8,25.4,26.9,27.9,28.1,29.5
1922,30.5,30.4,29.8,29.1,27.2,26.7,25.4,25.5,26.8,27.3,27.8,29.1
1923,31.2,30,30,29.1,27.1,26.4,25.3,25.6,27.1,27.7,27.8,29
1924,30.1,31,30.1,28.8,27.5,26.8,25.9,26.1,27.2,28.1,28.4,29
1925,29.3,30,30.4,29.1,27.3,26.4,25.7,25.8,27.7,27.8,27.7,29.2
1926,29.7,30.5,29.9,29.1,27.7,26.7,25.7,26.1,27.5,27.7,27.9,29.4
1927,30.6,30.3,30.3,29.3,27.8,26.5,25.6,25.8,27.4,28.5,28.5,29.8
1928,30.7,30.6,30.4,28.8,27.4,26.9,26,25.8,27.6,27.7,27.9,29.7
1929,30,30.8,30.4,28.9,27.1,26.7,25.2,25.7,27.3,27.6,27.7,28.2
1930,29.5,31,30.1,28.9,27.5,26.3,25.7,26,27.6,28.1,27.7,29.1
1931,30,31,30.1,29.4,27.4,26.9,25.5,25.6,26.5,27.5,27.6,28.8
1932,29.6,30.6,29.9,29.1,27.1,26.6,25.3,25.6,26.8,27.8,28,28.7
1933,30.3,31,30.4,29.3,27.7,26.9,25.9,25.5,26.8,27.3,27.8,29
1934,30.3,30.2,30,29,27.4,26.4,25.7,25.8,27.4,27.9,28.2,28.8
1935,30.6,30.5,30.3,29.1,27.7,26.8,26,26.2,27.6,28.1,28.1,29.4
1936,30.1,30.9,30.8,29.6,27.6,26.9,25.9,26.1,27.5,27.7,28.9,28.7
1937,29.8,30.6,30.5,29.3,27.4,26.6,25.3,25.5,27,27.8,27.5,29.2
1938,29.7,30.8,30.1,29.8,27.7,26.4,25.2,25.4,26.7,27.3,28.1,29
1939,30.1,30.4,30.2,29.1,27.3,26.6,25.5,25.9,27.1,27.3,27.9,29.3
1940,30.6,30.9,28.9,29.1,28.4,27.6,25.8,26.1,28.1,28.8,29.3,30.7
1941,30.7,31.5,30.6,29.8,27.2,26.1,25.7,25.6,27.5,27.8,27.9,28.5
1942,30.6,31.5,30.3,30,26.2,26.6,25,24.8,26.9,28.1,28.5,28.9
1943,29.8,29.6,29.4,29.4,27.3,26.6,25.1,24.8,26.5,27.3,28.6,29.7
1944,29.3,31.8,29.1,29.9,27.9,26.9,25,25.6,26.2,27.4,27.7,28.9
1945,30.3,29.3,30,30,27.4,26,25.2,24.8,26.3,26.9,27.4,28.4
1946,30.9,31.4,30.8,28.9,28,25.8,25.4,24.8,26.5,27.6,27.7,29.8
1947,30.7,31.1,30.2,27.8,27.5,27.4,25.8,25.7,26.9,28.2,29.5,29.6
1948,30.9,31.3,29.7,29.2,27.9,25.4,25.1,25,26.3,26.8,26.8,28.3
1949,29.8,31,30.5,30.3,27.5,25.8,24.6,25,25.7,27.5,28.1,28.6
1950,30.3,29.5,30.3,29,27.6,26,24.7,24.4,25.6,26.2,27.8,29.3
1951,31,31.1,29.5,27,28,27.6,25.3,25.8,26.5,28.1,28,28.5
1952,31,31,31.2,28.5,28.2,27.1,26.2,25.2,27.6,27,29.6,32.3
1953,33.1,32.1,31.8,29.9,29.3,27,25.5,25.7,27.2,27.4,29.4,29.4
1954,31.5,32.3,31.7,30,28.3,25.8,24.3,24.8,26,27.9,29.8,30.2
1955,29.5,32.1,32,29.9,28.6,27,25.9,25.2,26.6,28.7,28.8,28.5
1956,29,32.4,31.2,29.3,27.1,25.9,25,25.5,27,26.4,29.7,29.5
1957,31.6,30.7,28.1,29.4,26.6,26,26,25.6,27.7,28.6,28.8,30.4
1958,30.7,30.3,32.7,30.3,28.2,26.7,24.9,26.2,28,27.8,30.6,29.6
1959,28.8,29.2,29.8,30.4,27.2,26.9,26.3,26.4,27.3,27.6,28.8,29.3
1960,30.5,30.7,28.9,29.3,27.9,27.6,26.2,26.7,27.5,27.8,28.7,29.4
1961,30.3,30.4,29.9,29,29,27.5,25.4,24,26.1,25.8,25.1,26.7
1962,28.7,29.9,28.8,29.3,26.9,26.2,25.7,25.1,25.9,26.4,27.4,28.3
1963,29.5,29.9,30.8,26.9,27.1,26.9,25.6,25.5,27.7,29,26.1,26.1
1964,28.2,29.7,30.9,29.2,27.5,26.2,24.5,24.7,25.9,26.1,28.6,25.9
1965,29.5,31.3,30.1,28.2,28.3,26.7,25.7,25.3,27.5,27.1,26,29.1
1966,29.6,29.2,29.2,28.2,28.2,26.7,25.5,25.2,27.2,28.1,27,29.7
1967,31.4,32.2,30.1,28.9,26.7,25.5,23.8,24.1,25.9,26.4,24.5,28.4
1968,30.3,28.3,29.4,28.1,26.5,25.5,24.9,25.3,26.5,27.4,27.3,27.9
1969,28.1,27,27.3,29.3,27.5,26.2,25.1,25.4,26.6,27.2,27.9,30.9
1970,28.2,30.6,28.5,28,27.5,26.3,25.8,24.8,26.5,26.4,29.4,29.7
1971,29.9,31.9,31.2,29.4,26.4,25.6,25.3,25.1,26.2,26.2,26.4,27.9
1972,29.3,28.2,30.4,28.8,28.3,26.8,25.9,26.3,27.3,27.8,26.7,29.1
1973,30.2,33.2,33.4,30.6,27.2,26.6,25.3,24.8,26.5,27.6,28.2,29.8
1974,30.7,31.2,28.1,30.1,26.2,26.1,24.7,24.9,25.9,28.2,29.5,29.8
1975,30.8,31.3,30.9,29.3,26.6,25,24.6,23.8,26,26.7,28.8,29.3
1976,30.4,30.4,29.8,29.6,26.9,27.5,25.3,25.5,27.3,27.9,27,29.1
1977,27.8,30,28.9,30.7,28.6,26.4,25.8,26,27,26.7,26.3,28
1978,30.9,30.3,29.7,30,27.4,26.4,24.9,25.6,26.4,26.7,28,28.1
1979,27.9,29.7,29.9,30.3,27.5,26.4,25.8,26.1,27.6,28.6,29.5,29.7
1980,31.2,31.5,30.8,29,26.5,26.7,25.5,26.2,27.4,28.7,28.2,29.4
1981,31,32.6,28.4,29.1,27.5,27.2,25.7,26.4,27,29.1,29.2,30.1
1982,29.2,30.6,30.4,28.6,27.9,27,26.3,26,28,27.2,26.8,28
1983,30.4,30.8,30.7,30.3,28.5,27.6,26.7,25.6,26.9,27.2,27.8,29.6
1984,30.8,31.8,31.5,30.8,28.5,26.5,26,26.6,27.2,29.7,27.4,28.5
1985,30.3,31.2,30.6,27.8,26.3,26.2,25.4,25.7,27,28.2,28.3,29.4
1986,31,30.6,29.8,28.9,28.8,25.7,25.8,27.2,27.2,28.5,28.6,29.5
1987,30.9,31.5,29.7,29.9,27.7,26.5,27.5,27.3,29.1,28.6,28.4,29.8
1988,30.2,30.1,31.8,29.5,27.9,26.9,25,26,26.5,27.5,28.2,28.7
1989,30,28.9,29.2,28,27.4,27,25.9,26.5,26.4,27.7,28.1,27.6
1990,28.9,28.9,28.4,29.2,28.6,27.1,26.5,26.6,27.8,28.8,28.3,29.6
1991,29.7,31.3,30,30.5,27.5,27,25.7,26,28.4,28.3,28.7,29
1992,29.9,31.3,29.9,30.4,27.6,27,25.6,25.6,27.6,28.1,27.3,29.9
1993,29.8,30.3,29.7,29.5,27.5,26.7,26.6,27.1,27.9,28.5,29.8,29.1
1994,29.9,31.5,29.7,28.8,27.5,26.4,25.4,25.6,27.2,28.9,28.5,28.7
1995,30.8,31.7,31,30.8,28.9,28.2,26.3,27.4,27.8,28.3,27.7,29.6
1996,32,31.3,30.4,29.6,27.5,27.4,26.5,26.5,27.8,28.7,27.5,29.1
1997,30.5,30.1,31.5,29.2,27.8,27,26.9,27.1,29,30.2,27.9,31.4
1998,31.1,31.3,31.8,30.7,27.4,27.5,26.9,26.5,28.6,28.9,28.9,29.2
1999,30.4,31.7,30.9,30.1,29,27,26.3,25.7,26.9,27.6,28.2,29.5
2000,30.6,31.4,31.2,30.3,29.2,27.8,26.3,27.3,28.6,28.5,31.7,29.9
2001,31.4,32.8,30.8,30.5,28.8,27.2,26.8,27.3,29,30.3,29.7,30.8
2002,31.3,32.7,31.5,30.1,28.9,28,28,27.9,29.6,29.3,28.3,30.8
2003,30.5,32,31.2,30.5,29.5,27.7,26.7,26.8,27.8,29.4,29.3,30.4
2004,31.4,32.1,31.1,29.5,29.4,27.3,27.1,27.3,28.3,28.3,29,29.8
2005,30.2,32.6,31.2,30.9,27.7,27.7,26.3,27.3,28.6,28.2,26.3,29.4
2006,31.4,32.9,33.1,30.1,28.1,27.3,27.6,26.6,27.7,29.1,29.4,28.4
2007,31.1,31.5,31.4,30.2,29.2,26.7,25.9,26.2,27.6,29,28.5,29.6
2008,32.4,33.5,30.2,30.7,28.5,27.7,26.2,26.8,27.6,27.5,27.9,28.7
2009,30.5,31.9,29.9,30.5,29.2,28.6,27.4,27.8,28.8,29,29.1,31
