1901,29.8,29.5,29.1,27.3,24.4,22.6,22.4,23,24.1,25.9,28,29.3
1902,29.5,29.5,29.4,26.8,25,22.3,22.6,22.7,24,26.1,27.5,29.4
1903,29.9,29.4,29.2,26.7,24.3,22.2,22.5,22.6,24.4,25.8,27.7,29.3
1904,29.7,29.4,29.2,26.9,24.5,22.5,22.7,22.6,24.2,25.8,27.9,28.9
1905,30,29.4,29.4,27.3,24.5,22.3,23,22.4,24.3,26.1,27.9,29.3
1906,29.9,29.4,29.3,26.9,24.6,22.6,22.2,22.2,24.2,25.7,28,29
1907,29.8,29.3,29.3,26.8,24.1,22.5,22.6,22.8,24.3,25.8,27.6,29
1908,29.7,29.5,29.3,26.4,24.8,22.4,22.6,22.7,24.4,25.9,27.8,29.4
1909,30,29.4,29,27.2,24.6,22.9,22.8,22.9,24.5,25.8,28.2,28.9
1910,30,29.5,29.4,27.2,24.7,22.4,22.7,22.6,24.3,25.8,27.6,29.5
1911,30,29.8,29.3,27,24.5,22.4,22.4,22.6,24.2,26.3,28.1,29.6
1912,30.2,29.4,29.5,27.1,24.7,22.7,22.6,22.8,23.9,26.3,28.1,29.5
1913,30.4,29.6,29.6,26.9,24.7,22.7,22.4,23.1,24.1,25.9,28.1,29.3
1914,30.3,29.7,29.5,27,24.9,22.4,22.6,22.5,24.6,26.4,27.8,29.1
1915,30.5,29.8,29.7,26.8,24.7,22.6,22.1,22.9,24.3,26,28,29.5
1916,30.1,29.9,29.3,27.2,24.2,22.3,22.6,22.5,24.3,26.2,28.2,29.5
1917,30.1,29.8,29.3,27,24.3,22.4,22.4,22.4,24.2,26.1,27.8,29.3
1918,29.9,29.8,29.2,27.2,24.4,22.6,22.6,22.6,24.4,26.1,28,29.3
1919,30.1,29.8,29.7,27.5,24.8,22.9,22.6,22.9,24,26.3,27.9,29.5
1920,30.4,29.4,29.1,27.4,24.6,22.3,22.8,23,24.2,25.9,28.4,29.5
1921,29.9,29.6,29.5,27,24.7,22.5,22.2,22.4,24.2,26,27.9,29.1
1922,30,29.6,29.6,27.5,24.6,22.4,22.8,22.6,24.6,26.1,28,29.5
1923,30,29.5,29.6,26.9,24.4,22.6,22.6,22.9,24.5,26.6,28.3,29.6
1924,30.3,29.5,29.1,27.2,24.4,22.4,22.5,22.6,24.4,26,27.7,29.3
1925,29.9,29.8,29.4,27.2,24.5,22.2,22.6,23,24.4,26,28,29.5
1926,30.6,29.8,29.5,27.3,24.7,22.6,22.2,22.7,24.2,26,27.8,29.3
1927,30.5,29.8,29.6,27.4,24.6,22.9,22.9,22.9,24.8,26.2,28.5,29.4
1928,30,29.5,29.4,27.2,25,22.6,22.8,22.9,24.3,26.2,28.1,29.5
1929,30.4,29.7,29.3,27,24.8,23,22.5,22.9,24.4,26.3,28.1,29.4
1930,30,29.5,29.5,27,25.1,22.8,23,22.7,24.1,26.3,28.3,29.6
1931,31.2,31.2,30.3,26.1,26.9,24.3,21.5,22.8,24.1,24.8,29.2,29.1
1932,30,29.4,30.3,30.1,25.3,22.7,21.5,23.8,22.6,26.4,28.3,29.9
1933,31.2,30.9,30.8,28.5,26,22.5,22.5,23.3,24.7,27.2,27.5,29.9
1934,29.6,28.4,28.5,28.2,25.8,24.5,21.9,23.3,24.8,24.5,27.2,29.1
1935,30.2,29.4,28.5,26.7,23.8,21.9,22.8,22,23.1,27.7,27.2,29.1
1936,29.1,28.7,28.9,28.8,23.6,24.4,23.4,24.5,24.3,25.4,27.5,29
1937,29.9,29.3,29.2,28,25.6,22.1,21.6,24.3,23.4,26.9,28.8,29.4
1938,30.3,29.8,30.3,26.5,25,23.5,22.8,22.6,22.9,25.8,26.3,29.1
1939,30.2,28.4,29.1,26.8,24.8,23.5,23.2,21.8,24,26.2,27.7,29.6
1940,30.4,30.4,29.7,27.2,24.5,23.8,23.6,24.9,23.1,27.9,27.2,30.1
1941,30.8,31.5,31.3,28.9,27.5,24.3,24.6,24.8,23.1,27.9,28.1,29.6
1942,31.8,31.5,30.2,27.7,25.4,23,24.4,22.9,24.9,25.5,28.7,29.3
1943,29.9,29.9,30.3,27.5,24.8,24,22.6,21.7,24.4,27.1,27.2,28.9
1944,30.7,30,30.8,29,23.9,21.7,23.6,23.8,23.4,28.1,28.8,29.8
1945,31.1,32.3,29.9,29.3,25.1,22.9,23.1,25.8,27.4,25.4,29.4,29.4
1946,30.6,30.8,30,28.9,25.5,24.6,24,23.9,24.5,25.5,28.6,30.2
1947,30.9,32.4,29.7,28.1,25.8,23,21.7,24.6,23.9,27,28.7,29.7
1948,29.9,30.2,28.8,27.6,25.6,24.2,23.5,25.4,24.3,25.7,27.8,29.6
1949,31.7,29.7,30.2,28.3,25.5,24.3,23.2,22.2,25.1,26.9,27,29.6
1950,31.4,30.1,30,25.9,24.3,24.1,21,22.7,23.8,26.2,27.5,29.5
1951,29.4,30.4,29.4,28.1,25,22.9,23,23,24.4,25.5,28.2,30.4
1952,31,29.5,30.1,29.3,24.6,24.1,21.7,21.7,23.3,26.9,28.4,29.1
1953,31.4,29.1,30.1,26.1,25.9,22.7,23,21.4,25.4,27.4,27.6,28.9
1954,30,29.7,28.4,27.4,23.5,23.2,21,22.7,24.6,26.3,27.1,29.4
1955,29.6,27.8,30.1,26.9,26.2,22.1,22,21.2,24.5,24.7,27.2,28
1956,30.7,27.7,27.9,27.6,23.1,22.3,22.5,22.2,23.5,26.2,28.3,28
1957,30.6,29.6,30.1,27.3,25.9,21.6,22.7,22.9,23.6,24.8,29,30.3
1958,30.7,29.6,30.1,27.9,24.4,23,23.5,24,24.7,26,28.6,30
1959,29.7,30.3,29.8,27.4,21.9,23.7,23.5,23.4,25.7,25.8,28.6,29.4
1960,30.5,29.8,29.3,26.8,24.4,23.3,22.9,23.5,25.2,27.1,29,28.6
1961,29.9,30.3,29.5,27.8,23.2,22.1,24,24,25.4,25.8,28.1,28.7
1962,30.5,28.7,30.4,27.3,26.4,22.4,22.2,23.1,24.6,26.1,27.1,30.5
1963,28.7,30.7,29.5,26.9,23.6,22.6,21.5,23.4,26.8,27,28.5,30
1964,31.1,30.3,30,27.8,26.1,21.2,23.2,21.9,23.7,25.3,27.2,29.7
1965,30.3,30.2,29.5,26.9,26.2,21.9,22.6,24,25.6,25,27.8,29
1966,30.9,28.7,30,27,25.6,24.4,22.6,23.1,24.3,27.7,29.2,30.3
1967,30,29.7,28.9,25.4,24.6,22.6,23.2,24.1,26.1,26.4,29.3,30.1
1968,30.5,29.7,28.6,26.6,23.9,20.8,22,22.3,25.6,26.4,29.8,29.7
1969,31.5,31,30.3,27.4,25.4,23.1,23.7,24,24.2,26.1,29.1,30.5
1970,31.8,30.3,31.6,28.6,25.2,22.4,22.5,22.3,23.9,27.5,27.9,28.7
1971,30.2,29.3,30.4,28.3,25.7,22.9,22.5,21.8,24.9,26,27.6,29.3
1972,29.9,29.7,29.1,28.2,24.7,23.3,23.4,23.5,24.7,28.2,30.2,30.6
1973,30.7,29.8,30,28.9,24.7,25,23.4,23.2,24,26.6,28.4,28.2
1974,29.2,27.7,28.5,26.2,23.9,22.2,22.9,21.2,23.8,25.8,27.3,29.5
1975,30.8,30.3,28.5,26.7,23.9,24,22.2,22.8,24.5,25.6,28.1,28.6
1976,28.7,28.2,27.6,26.2,24.4,21.6,21.7,22.4,24,25.2,26.3,29.2
1977,30.4,29.1,28.7,27.4,23.9,22.7,22.1,23.1,23.3,26.5,28.6,29.8
1978,30.1,29.1,29.3,26.3,25.7,23.7,23.7,21.7,23,25,29.4,29
1979,30.6,29.4,29.9,29.1,24.9,23,22.1,22.7,24.3,26.2,29.1,30.9
1980,30.6,30.6,30.6,28.2,25.4,23.3,24.3,23.8,24.4,27.6,25.6,29.8
1981,29.9,30.6,29.8,29.2,25.7,22.2,22.5,20.8,23.5,26,28.8,29.9
1982,30.1,30.4,29.5,25.3,25.5,22.6,22.7,23.4,25.9,26.2,28,29
1983,30.5,29.7,29.5,27.8,24,21.3,23.2,24.1,24.6,26.5,27.3,30
1984,31.2,31,30.1,27.6,25.2,23.6,23.3,24.1,25,25.8,28.3,29.2
1985,30.5,29.5,29.2,27.3,25.7,23.8,23.6,24.5,24.4,27.4,28.7,30.1
1986,29.9,29.7,29.9,27.5,24.6,23.5,23.1,24,25.6,26.4,29,29.9
1987,30.3,29.9,30.2,27.3,27.1,23.8,23,23.8,24.7,26.7,28.1,29.6
1988,30.2,29.8,30.2,26.5,25.5,22.9,22.3,23.9,25,26.4,28.7,29.1
1989,30.3,29.7,29.6,27.1,24.2,22.9,22.7,24.1,26.1,27.4,29.3,28.9
1990,30.9,30.1,29.9,27.2,25.7,22.1,22.3,23.5,25.1,26.1,28.5,29.7
1991,29.9,29.6,31.1,28.6,26.7,23.4,24.5,23.9,25.4,26.9,28.1,29.3
1992,30.8,31.4,30.3,27.8,25,23.9,23.8,24.1,25,26.8,29.6,30.1
1993,31,29.4,30.7,28.1,24.6,24.2,25.4,23.9,25.6,26.3,28.5,29.7
1994,29.8,30.1,30.8,28.6,24.5,22.2,23.7,23.5,24.8,26.7,29,30.5
1995,31.7,31.4,30.2,28.3,25.9,23,21.9,22.1,24.8,26.6,27.8,29.8
1996,30.2,30.1,29.1,28.6,24.2,23.5,22.2,22.9,24.1,26.2,27.3,29.4
1997,29,28.9,28.6,27.3,24.9,22.6,24.2,23,25.7,27.6,29,30
1998,30.8,31.5,30.5,28.1,26.3,22.4,22.7,23.9,24.3,26.2,27.7,29.1
1999,29.7,29.9,30.4,27.6,24.7,24.3,23.3,24,25.2,26.5,27.8,30
2000,31.7,29.9,29.7,27.4,24.8,25.3,24.3,23.7,25.7,26.5,29.1,29.1
2001,30.6,30,30.8,26.5,25.2,23.6,22.8,23,24.3,27.9,28.3,29.6
2002,30.3,30.7,29.7,28.2,24.7,22.6,22.5,22.7,25.1,27.6,28.1,29.9
2003,31.3,30.5,30.8,28.9,25.1,22.8,23.5,22.4,24.3,26.9,28.7,29.6
2004,29.2,30.5,30,27.7,26.6,23.6,22.5,23.6,24.5,27.8,30,29.8
2005,30.2,31,29.7,26.7,25.2,23,24.5,22.4,26.2,27.3,27.9,30.6
2006,30.5,29.7,29.6,28.1,24.5,23.4,23.8,22.6,27.2,27.5,28.6,29.5
2007,31,30.4,30,29.7,25.6,22.8,23,22.4,25.8,27.2,27.8,29.1
2008,31.3,30.1,29.7,27.5,25.3,23.7,23.6,24,23.8,24.4,28.4,30.3
2009,30.4,30,29.7,29.8,25.7,22.8,23.4,26,24.6,28.8,29.6,29.6
