1901,29.1,29.1,27.2,26,24.6,23.4,23,23.9,26,28,30.9,31.3
1902,30,29.4,28.5,27.3,25.9,23.5,23.2,24,26.6,28.6,30.2,30
1903,29.5,29,29.1,26.4,24.5,23.4,23.5,23.6,25.7,27,28.9,28.8
1904,28,28.1,26.6,25.1,24.1,22.5,22.7,22.8,24.7,26.6,29.1,29.6
1905,29,28.5,28.4,26.2,24.4,22.7,22.5,22.1,24.6,26.8,29.5,31.2
1906,31.3,29.8,26.9,27.6,25.4,23.8,23.5,23.1,25.1,26.8,28,29
1907,29.7,28.8,29.2,27.2,24.6,23.4,23.6,24.4,25.9,28.9,29.1,29.8
1908,28,29.8,28.3,26.9,26.2,23.3,24,24.6,26.6,27.1,28.9,30
1909,29.1,29.8,27.3,27,25.7,23.8,24.2,25.3,27.9,28.6,29.2,29.8
1910,29,28.4,28.3,26.4,25.3,23.6,25,24,26.2,28.5,29.5,31.4
1911,29.8,29.4,27.6,26.4,25,23.1,23.3,23.7,26.5,29,29.5,32.1
1912,31.4,28.8,28.5,26.9,24.3,24.5,25,24.7,28.2,28.9,30,30.7
1913,29.8,28.9,28.1,26.7,24.2,23.6,23.9,24.8,27.4,28.4,31.2,30.9
1914,29.2,29.2,28.2,26.9,26.5,24.6,23.8,22.4,25.2,26.8,28.6,30.8
1915,31.6,30.8,29.2,27.8,25.7,24.9,25.3,26.7,29.1,30.4,31.4,31
1916,29.4,30.4,29.5,28,24.7,25,23.6,25.5,26.2,30.1,30.4,29.5
1917,29.6,29.2,28.1,27,25.3,23.3,24.7,24.8,28.1,28.9,30.3,29.3
1918,29.8,29.3,28.7,26.2,25,24.7,23.1,24.3,26,29.8,30.9,30.5
1919,30.3,29.6,29.2,26.8,25.1,23.4,23.3,23.7,26,28.8,29.2,30.5
1920,29.8,28.9,28.4,26.3,25,24.6,24.6,26.3,27,28.6,29.6,29.6
1921,28.5,28,27.3,26.5,25.9,24.6,24.2,23.4,26.6,28.6,29.5,29.9
1922,30.6,29,27.6,26.6,24,24.1,22.9,23.1,27.2,29.5,30.3,31.9
1923,31.4,29.5,28.4,26.5,26.2,25,22.7,24.3,25.8,29.6,31.4,30.7
1924,31.4,30.5,28,27,25.1,24.7,23.4,24.3,26.6,29.2,30.5,29.3
1925,29.4,29.3,27.4,26,25,23.6,23.4,24,26.3,28.7,30,31.1
1926,30.7,29.8,28.7,28.3,26.4,24.9,24.8,26.1,26.7,30.2,30.3,30.5
1927,29.5,28.3,29.1,27.4,25.9,24.3,23.7,25.1,26.3,28.7,30.7,30.5
1928,30.4,30.4,27.3,27.6,23.8,24,23.6,24.4,28.4,30.5,29.9,31.1
1929,29,29.2,28.4,27,25.7,23.2,22.9,24.3,25.4,28.9,30.9,31.5
1930,29.5,28.6,27.8,27.4,26.4,23.8,24.1,24.9,26.2,27.3,29.3,29.2
1931,30.2,30.6,29.2,27.1,26.2,24.3,24.7,24.7,27.4,28,29.2,30.2
1932,29,30,27.5,28.9,24.9,23.8,22.6,23.6,26.8,30.2,30.4,30.5
1933,30.9,28.8,28.8,27.3,26.2,23.3,24.2,23.4,27,27.9,28.9,29.5
1934,28.5,27.9,26.7,27.1,24.5,23.3,24.1,24.5,25.5,28.1,29.2,31.8
1935,31,31,27.8,27.4,24.1,23.4,23.8,24.1,26.8,28.2,29.2,31.3
1936,29.9,28.5,27.7,25.5,23.8,22.4,23.3,25.3,26.1,28.8,29.7,29.5
1937,30,30.2,28.1,26.4,25.6,24.4,21.8,23.1,25.9,28.3,29.7,30.4
1938,29.7,29.6,28.7,27.7,25.9,24.3,22.8,23.9,25.4,28.1,29,29.3
1939,28.6,27.8,28.2,25.7,25.2,24.5,23.5,22.5,25.7,27.9,29.6,31.1
1940,29.5,29.2,27.4,26.6,24.9,23.3,23,23.7,25.6,27.3,30.2,30.9
1941,30,28.1,28.4,25.7,24,23.4,23.3,23,25.2,27.9,29.3,29.8
1942,30.6,30.5,29.5,27.6,26.1,24.8,24.3,25.9,26.9,29.1,29.3,29.1
1943,30.2,28.7,27.3,27.9,25.1,23.2,24.4,25.9,27.9,29.3,29.6,31.5
1944,30.9,29,27.9,26.7,24.8,22.4,22.9,24,25.8,27.3,29.1,30.1
1945,29.1,29.1,27.6,26.2,24.7,24.7,23.3,25.9,27.4,27.7,29.4,30
1946,30.1,29.2,29.5,27,25.5,22.7,23.1,24.4,26.6,27.4,29.3,30.6
1947,30.9,29.7,29,27.5,24.9,23.8,23.9,24.3,26.3,27.8,30.2,30.3
1948,29.2,29.5,29.4,27.3,25.7,22.8,23.8,24.3,26.6,29.2,29.9,30
1949,29.5,29.1,28.8,25.7,24.1,22.8,22.8,23.8,26.3,29.3,29.7,30.1
1950,29.4,29.6,28.9,25.8,26.2,23.1,23.6,24.1,26,28.5,29.2,27.9
1951,29.1,29.3,28.7,27.1,25,24.6,23.6,25,25.8,28.4,29.7,30.6
1952,29.7,29.8,29.3,28.1,26,24.5,24.1,25.1,26.8,29.1,30.5,31.5
1953,28.8,29.2,28.1,27,24.7,24,22.9,23.9,25.9,28.9,30.3,30.8
1954,29.6,29.4,28.6,26.6,25,23,23.6,23.9,26.2,27.1,29.8,29.8
1955,29.9,27.9,28,26.8,26.3,23.6,23.4,25.2,26,29.4,29.2,30.6
1956,29.5,30.3,28.5,27,27.1,25,24.7,24.2,26.2,29.6,29.9,30.6
1957,28.5,30,27.5,26.6,24.1,23.2,23.8,24.7,26.4,28.7,29.5,30.6
1958,29.9,29,29.8,26.9,25.9,24.4,24.4,25.8,26.7,28.8,29.1,30.7
1959,30.1,29.6,27.2,26,23.4,22.1,22.7,23.5,25.4,28.3,29.5,30.8
1960,29.2,29.5,27.7,26.9,24.5,22.6,22.7,23.7,26.5,28.9,29.9,30.1
1961,29.1,30.2,28.4,27.2,24.1,23.6,23.4,24.2,26.2,28.2,29.9,30.3
1962,30.1,28.7,28.9,26.6,25.5,23.6,22.7,24.3,26.3,30,30.5,30.4
1963,29.4,28.9,28.9,25.7,25.5,23.7,22.6,24.6,26.1,26.2,29.2,29.8
1964,29.4,30.1,27.7,27.1,24.5,23.9,24.2,24.8,26.5,28.7,28.9,29.8
1965,28.8,28.9,27.5,26.6,24.7,22.7,21.7,24.4,26.1,27.2,29.3,29.1
1966,28.8,29.8,28.5,27.6,24.7,23.6,23.5,24,26.4,27.6,29,29.8
1967,31,28,27.2,26.2,24.3,22.9,22.6,24.2,26.2,28.1,29.6,30.1
1968,29,28.4,28.8,27.3,25.4,24.1,23.2,24.9,26.4,27.6,30.2,29.7
1969,29.2,30,28.8,27.5,25.7,23.6,23.6,24.5,26.8,28.1,30.7,30.8
1970,30.2,28.8,27.8,26.6,25,24,23.2,23.9,26.8,28.4,29.4,30.1
1971,30.6,29.1,26.6,24.7,25.2,22.8,22.5,25.2,27.4,29.9,31.9,31.6
1972,30.5,28.1,27.2,25.9,23.4,22,23.1,25.5,24.7,28.6,29.9,29.8
1973,30.9,28.7,27.9,26.1,25.9,25,24.3,25.4,26.4,28.3,28.9,28.9
1974,28.8,28.5,27.5,27.2,24.7,23.4,24,25.3,26.5,28.2,30,30.4
1975,29.8,27.5,28.2,26.7,24.8,22.9,24.3,24.3,25.5,28,29.9,28.4
1976,29.2,28.3,28.6,25.5,24.1,22.7,22.5,23.6,26.7,29.1,31.2,30.7
1977,29.2,28.5,28.4,25.7,25.2,22,21.8,23.1,25.7,27,29.4,29.7
1978,29.3,29,28.7,26.8,24.7,24,23.8,24,26.5,26.8,28.9,29.8
1979,27.5,28.1,28.1,25.5,24.7,23.4,22.5,24.7,26.5,28.9,29.5,30.9
1980,30.4,29.6,27.7,26.6,25.2,24.5,23.5,24,26.6,28.6,29.7,29.9
1981,27.4,29.4,28.8,27.3,24.4,24.7,24.1,26.4,25.9,27.6,30.6,30.9
1982,30.6,29.3,28.4,25.7,24.5,22.8,22.8,22.5,25.7,27.9,28.3,30.6
1983,31.1,30.9,28.1,27.2,25.4,23.8,23.1,24.1,27.4,29.1,29.9,29.6
1984,29.5,27.6,27.8,26.9,24.8,22.9,23.1,24.6,26.9,27.8,29.7,31
1985,30,28.6,27.3,27.1,23.9,23,22.3,24.7,25.7,28.2,30.3,31.3
1986,29.6,29.8,28,26.3,25.6,24.1,24.6,25,27.3,29.2,29.9,30.6
1987,30.8,28.7,28.4,26.7,25.4,24.3,23.3,24.8,25.6,29.3,30.9,30.8
1988,30.9,29.5,28.3,28.1,26.2,24.4,24.4,24.6,27,29.5,30.2,30
1989,29.4,29,27.8,26.7,25.5,23.1,23.6,24.2,27,29.1,29.8,30
1990,30.9,32,28.2,26.9,25.3,23.3,23.6,24.6,25.1,28.4,30.9,30.8
1991,28.6,27.5,28.7,26.6,24.3,24.4,23.4,24.1,26.7,28.1,29.9,31.1
1992,30.6,29.7,29,26.6,25.6,23.9,23.4,24.9,28.2,28.1,30.7,29.6
1993,28.4,27.9,29.7,26.1,24.5,23.6,23.8,23.7,26.3,28.2,30,29.7
1994,31.5,29,28.5,26.7,25,23.5,22.9,22.8,25.7,28.5,30.1,30.3
1995,30.2,29.1,27.8,27.9,25.1,24,24,22.6,26.5,28.3,30.4,31.3
1996,29.8,28.7,27.6,27.9,25.3,24.9,22.9,24.6,26.7,27.9,29.6,29.7
1997,28.7,28.8,27.6,25.7,24.8,22.6,23,23.6,26.9,28.2,29.9,30
1998,29,29.8,28.5,28.2,25.8,24.9,23.9,24.8,26.6,29.2,29.3,30
1999,29.6,28.6,27.4,25.9,25.7,24.2,23.6,23.8,26.1,28.6,28.3,28.4
2000,29.1,27.5,27.3,26,24.5,21.4,23.1,24.1,26.9,28.4,29.2,27.5
2001,28.6,27,28.2,26,24.8,23.8,22,24.5,26.7,29.3,30.5,30.9
2002,29.8,29.6,28.3,26.9,25.2,23.9,23.1,23.9,26.9,27.9,30,30.8
2003,29.4,29.8,27.7,27.4,25.3,24.3,23.2,24.3,26.7,29.4,30.3,30.3
2004,29.7,28.8,27.7,25.3,25.1,22.6,23.1,24.4,25.9,28.4,29.7,29.5
2005,28.6,29.6,28.1,26.2,24.1,23.9,23.7,22.9,26,29.7,30.2,31.8
2006,29.4,29.4,27.3,25.6,24,23.2,22.7,23.6,25.7,27.4,29.9,29.5
2007,29.4,27.6,28.3,26.4,25.5,22.1,22.4,24.1,26.4,29,29.3,30.7
2008,29.3,28,26.8,26.4,24.4,23.9,22.8,24,27.4,28.7,30.7,30.7
2009,28.3,28.4,28.6,27.5,24.1,24.2,24.4,25.6,28,28.7,28.9,30.4
