1901,30.7,29.5,28.3,26.5,22.7,20.3,20.7,23.4,26.6,28.9,30,31.3
1902,30.3,29.4,28.1,26.4,23.2,19.9,21.1,23.2,26.3,29.1,29.7,31.5
1903,30.8,29.5,28.4,26.5,22.8,19.9,21,23.2,26.9,29,29.9,31.4
1904,30.3,29.1,27.9,26.3,22.8,20.2,21,23.1,26.7,29.1,30.2,30.9
1905,30.7,29.3,27.9,26.4,23,19.9,21.2,22.9,26.8,29.4,30.2,31.5
1906,30.8,29.2,28,25.9,23,20.3,20.8,22.7,27,28.8,29.9,31
1907,30.4,29.2,28.1,26,22.5,20.3,20.9,23.3,26.9,28.9,29.7,30.9
1908,30.5,29.6,28.1,25.8,23.1,20.1,21,23.3,27.1,29.1,30,31.4
1909,30.5,29,27.8,25.9,22.9,20.5,21,23.2,27,29,30.2,31.1
1910,30.6,29.2,28.1,26.2,23,20,20.9,23.1,26.9,28.9,29.5,31.3
1911,30.7,29.6,27.8,26,22.6,19.9,20.8,23,26.8,29.5,30.1,31.9
1912,31.1,29.4,28.1,26.5,23.1,20,21.1,23.3,26.3,29.5,30.5,31.5
1913,30.9,29.4,28.1,26.3,22.9,20.4,20.9,23.6,26.7,29,30.1,31.6
1914,31.2,29.7,28.3,26.5,23.3,20.1,20.8,23.1,27.3,29.6,29.7,31.3
1915,31.1,29.6,28,26.2,22.9,20.3,20.5,23.4,26.9,29.2,30,31.4
1916,30.8,29.9,28.3,26.2,22.5,20.1,21.2,22.8,26.9,29.5,30.2,31.4
1917,30.8,29.5,28.1,26.1,22.6,20,20.6,22.7,26.7,29.3,29.8,31.2
1918,30.3,29.5,27.8,25.9,22.6,20.4,21.2,22.9,26.8,29.2,29.8,31.2
1919,30.8,29.6,28,26.6,22.8,20.5,21.3,23.2,26.7,29.4,29.9,31.5
1920,31.2,29.3,27.7,26.2,23.1,20.1,21.3,23.3,26.9,29.1,30.4,31.7
1921,31,29.4,28.1,26.2,23,20.1,20.4,23,26.8,29.4,29.7,31.1
1922,31.3,29.8,28.5,26.7,23.1,20.6,21.3,23.5,27.2,28.9,30.1,31.7
1923,30.6,29.4,28.3,25.9,23,20.6,21.1,23.7,26.9,29.8,30.5,31.8
1924,31.3,29.5,28.2,26,23,20.4,20.7,23,26.8,29.2,29.8,30.9
1925,30.6,29.4,27.8,26.2,22.6,20.1,20.8,23.2,26.4,29.1,30.3,31.8
1926,31.6,30.1,28.1,26.4,23,20.4,20.4,23,26.8,29.1,29.9,31.4
1927,31.3,29.8,28.2,26.4,23,20.3,21.1,23,27.2,29.1,30.4,31.5
1928,30.8,29.7,28.3,26.4,23,20.6,20.8,23.1,27.2,29.7,30.4,31.8
1929,31.2,29.9,27.9,26.1,23.5,20.8,21,23.1,27.1,29.8,30.5,31.3
1930,30.8,29.7,28.1,26.2,22.9,20.4,21.1,23,26.5,29.5,30.7,31.8
1931,31.9,31,29.2,25.8,25.2,21.9,20,23.3,26.7,28.2,31.1,31.2
1932,30.8,29.4,28.9,28.9,23.6,20.3,19.9,24.2,25.4,29.6,30.4,31.8
1933,31.9,30.8,29.4,27.4,24.3,20.3,21,23.8,27.3,30.4,29.5,31.8
1934,30.3,28.4,27.6,27.1,24.2,22.1,20.4,23.8,27.4,27.8,29.3,31.1
1935,31,29.3,27.7,25.9,22.3,19.6,21.2,22.5,25.8,30.8,29.3,31.2
1936,29.9,28.7,27.7,27,22.1,21.9,21.7,24.9,26.9,28.6,29.6,31
1937,30.6,29.2,28,26.7,23.9,19.9,20,24.6,26.1,29.9,30.7,31.4
1938,31,29.7,28.8,26.2,23.5,21.2,21.2,23.1,25.7,29.1,28.4,31.1
1939,31,28.6,28,25.9,23.4,21.1,21.7,22.6,26.2,29.1,29.6,31.5
1940,31,30.1,28.2,26,23.2,21.2,21.6,25.1,26.4,30.7,29.4,32.2
1941,31.5,31.3,29.9,27.7,25.5,22,22.8,25.2,25.9,30.8,30.3,31.6
1942,32.3,31.3,29.1,26.8,23.6,21,22.6,23.7,27.6,28.9,30.9,31.3
1943,30.9,29.9,29,26.7,23.4,21.4,21.1,22.3,27,30.4,29.5,30.9
1944,31.4,29.9,29.3,27.7,22.4,19.7,22,24.5,26.2,31.1,30.8,31.9
1945,31.7,31.9,28.7,28,23.4,20.5,21.6,25.9,29.6,28.9,31.3,31.4
1946,31.2,30.7,28.8,27.6,23.9,21.9,22,24,27.1,29.1,30.6,32.2
1947,31.5,31.8,28.5,27.1,24.1,20.7,19.9,24.8,26.6,30.2,30.8,31.6
1948,30.6,30,27.5,26.4,24.1,21.7,21.7,25.5,26.6,29.1,29.8,31.4
1949,32.2,29.7,28.7,27.1,24,21.8,21.7,23.1,27.9,30.2,29.3,31.6
1950,32,29.9,28.7,25.4,22.6,21.7,20,23.3,26.7,29.3,29.6,31.3
1951,30.2,30.1,28.3,27,23.7,20.4,21.4,23.6,27.1,28.9,30.4,32.3
1952,31.7,29.4,29.1,27.7,23.1,21.2,20.6,22.8,26.1,30.2,30.5,31.3
1953,32,29,28.7,25.4,24.1,19.7,21.1,22.2,27.6,30.5,29.9,31.1
1954,30.8,29.7,27.4,25.7,22.4,20.1,19.7,23.3,27.4,29.8,29.4,31.4
1955,30.4,28.2,28.5,26.2,24.6,19.6,20.5,22,27.1,28.3,29.6,30.4
1956,31.2,27.7,26.7,26.5,22.2,20.3,21.4,23.5,26.5,29.9,30.6,30
1957,31.2,29.3,29.1,27.1,24.2,19.6,21.6,23.4,26.4,28.4,31.4,32.1
1958,31.3,29.3,29.2,27.2,23.7,20.7,22,24.3,27.5,29.2,30.7,32
1959,30.8,30.4,29.1,26.8,21.2,21.5,21.9,23.9,28.2,29.6,30.8,31.6
1960,31.9,29.2,28.2,25.9,23,20.7,20.5,24.4,28,30.3,31,31.2
1961,30.5,29.9,28.1,26.4,22.3,19.6,21.9,23.8,27.7,29.2,29.8,31.2
1962,31.2,28.7,29.4,26.2,24.1,20.7,20.5,23.4,27.2,29.2,29.1,31.9
1963,28.7,30.4,27.8,25.1,22,20,20,23.9,29.1,29.7,29.8,31.8
1964,32,30.8,28.9,26.7,24.2,19.2,20.8,22.7,26.1,28.8,29.4,31.5
1965,31,29.7,27.7,25.2,24,19.5,21.3,24.3,28,28.1,30,31
1966,30.9,28.2,28.6,25.8,23.8,21.8,21,23.7,26.5,30,30.6,31.6
1967,30.3,29.3,27.8,25.6,22.9,20.2,20.7,24.2,27.5,29.7,30.8,31.7
1968,31.1,30.3,27.1,26.3,22.6,18.6,20.7,23.1,27.4,29.8,31.1,31.3
1969,32.1,30.2,28.5,26.6,23.8,20.6,21.6,23.8,26.7,29.3,30.3,31.8
1970,32.2,30.1,29.8,27.6,24.2,20.2,21.5,22.8,26.6,30.1,29.7,30.2
1971,31,28.7,29.3,27.2,23.5,20.5,21.1,23.1,27,29.2,29.8,31.4
1972,29.7,29.7,27.2,25.9,23,21.3,21.2,23.7,27.5,30.4,31,32.2
1973,32,29.9,29,27.2,23.5,21.7,22.1,23.9,26.7,29.8,30.8,30
1974,28.9,27,26.7,25,22.2,20.1,21.2,22.2,26.4,29,29.8,31.3
1975,31.7,30.8,27,26,22.8,21.4,20.7,22.9,27.5,29,30.1,31.1
1976,29.1,27.9,26,25.2,22.8,19.5,20.5,22.6,27,28.8,29.4,31.3
1977,31,29,27.5,26,22.9,20.8,21.3,23.6,26.7,29.9,31.1,31.6
1978,30.8,28.7,27.8,26.1,24,21.1,21.9,23.4,26,29.1,31.1,31.4
1979,30.9,29.1,29.1,28.5,23.4,20.6,20.6,23.5,27.1,29.9,30.9,32.6
1980,31.7,30.8,29,27.5,24,21.1,22.3,24.3,27.1,31,29.1,32.1
1981,31.5,30.7,28.9,27.7,24,20.3,21,22,26.3,29.5,31.2,32.5
1982,31.7,30.3,28.8,25.2,24.1,20.7,20.8,24,28.2,29.3,30.3,31.1
1983,30.9,30.1,28.9,26.9,22.3,19.5,21.6,23.7,27.4,29.7,29.8,32.1
1984,32,31.1,28.8,25.7,23.4,20.7,21.3,24.2,27.9,29.4,29.9,31.2
1985,31.6,29.5,28.6,26.7,23.7,21,22,24.4,26.9,30.1,31,32.4
1986,30.2,29.8,28.2,26.7,23.3,21.4,21.6,24.9,27.8,29.2,30.9,32.1
1987,31.7,29.7,29.4,26.3,24.8,21.1,21.8,24.6,27.3,30,30.4,31.8
1988,31.1,30.3,29.4,25.9,23.2,20.7,21.4,24.5,27.6,29.5,30.8,30.7
1989,31,29.2,28.9,25.7,22.8,20.6,20.8,24.9,28.4,30.4,31.7,31.4
1990,31.6,29.5,28.6,26.3,24,20.8,21.4,24,27.8,29.4,30.8,31.4
1991,30.5,29.5,29.2,27.7,24.8,21.4,22.2,24.4,27.2,30.2,30.2,31.1
1992,32.3,32.1,30,27.2,24,22.1,22.4,24.4,27.7,29.9,31.7,32.4
1993,31.7,28.9,28.9,26.9,23.7,21.6,22.8,24.2,27.4,29.6,30.6,32
1994,30.5,29.8,30.3,27,23.3,20.3,21.8,24.2,27.8,30.1,31.3,32.4
1995,33.1,31.1,28.9,27.3,24.1,21,20.6,23.6,26.9,30.8,30.3,32.5
1996,31.3,30.2,28,27.6,23.9,20.8,20.6,24.2,27.6,29.4,30.4,32
1997,30.1,29.1,27.9,26.7,23.3,21.2,22.5,23.9,28.1,30.3,31.4,32.4
1998,31.7,32.1,29.7,27.4,25.1,20.9,21.1,24.3,26.9,30,30,31.3
1999,30.6,30.1,28.6,26.6,23.4,21.6,21.7,24.4,27,29.7,30.1,30.5
2000,29.2,29.8,28.6,26.3,23.9,22.8,22.3,23.9,28.5,29.9,31.5,31.7
2001,31.8,30.2,29.8,25.5,23.7,21.2,21.5,24.2,27.8,31.5,30.9,31.7
2002,31.4,30.5,28.3,27.3,23.8,21,21.7,23.8,27.6,30.4,30.7,32.3
2003,32.2,30.5,30,27.4,23.7,20.8,21.7,23.5,26.9,29.9,31.1,31.7
2004,30,30.4,28.9,26.9,24.9,21.4,21.2,24.2,27.3,30.8,31.9,32.1
2005,31.3,30.8,28.8,26.2,23.9,21.3,22.9,23.5,28.4,30.7,30.3,32.3
2006,31.2,29.7,28.3,27,23.1,21.2,22.2,23.4,28.9,30.6,30.6,31.5
2007,31.5,30.2,28.6,28.4,24.1,20.7,21.5,23.1,28.2,30.2,29.8,31.3
2008,32,30.1,28.5,26.5,23.9,21.4,22.1,24.5,26.6,27.7,30.5,32.3
2009,31.3,30,28.5,28.6,24.1,20.8,22.1,26.5,27.2,31.9,31.6,31.8
