1901,29.5,29.3,27.6,26.4,25.1,23.8,23.5,24.5,26.7,28.6,31.4,31.8
1902,30.4,29.9,29,27.8,26.4,23.9,23.7,24.6,27.3,29.3,30.6,30.4
1903,29.6,29.2,29.4,26.7,24.9,23.8,24,24.2,26.2,27.6,29.2,29
1904,28.1,28.3,26.9,25.6,24.6,22.9,23.1,23.4,25.3,27.1,29.5,29.8
1905,29.3,28.8,28.8,26.6,24.8,23,22.9,22.6,25,27.4,29.9,31.5
1906,31.7,29.9,27.2,28.1,25.9,24.2,24,23.8,25.5,27.4,28.3,29.3
1907,30.1,28.8,29.5,27.5,24.9,23.7,24.3,24.7,26.6,30.1,29.6,29.9
1908,28,30,28.5,27.4,26.9,23.8,24.8,25.4,27.4,27.3,29.1,30.4
1909,29,30.6,27.6,27.6,26.2,24.3,24.6,25.6,28.8,29.1,29.7,29.9
1910,29.3,29,28.8,26.9,25.8,24.1,25.9,24.3,26.7,28.8,29.6,31.5
1911,30.1,29.4,28.1,26.5,25.1,23.3,23.8,24.3,27,29.9,29.8,32.8
1912,32.1,29.2,29.4,27.2,24.6,24.7,25.7,25,29.3,29.8,30.7,31.3
1913,30.3,29.4,28.7,27,24.7,23.7,24.1,25.4,28.5,28.9,31.5,31.3
1914,29.3,29.1,28.4,27.2,26.3,24.7,24.3,22.6,25.5,27.3,28.9,31.3
1915,31.8,31.1,29.7,28.6,26.3,25.5,25.9,27.2,30,30.8,32.1,30.8
1916,29.8,30.5,30.1,28.7,25,25.5,23.6,25.9,26.4,30.7,30.7,29.4
1917,30.4,29.5,29.3,27.3,25.7,23.4,25.3,25.1,28.4,29,30.5,29.5
1918,30,29.5,28.9,26.6,25.4,25.4,23.4,24.7,26.5,30.9,31.4,30.6
1919,30.8,29.7,29.7,27.1,25.8,23.7,23.7,24.1,26.4,29.6,29.5,31.2
1920,30.1,29,29.1,26.5,25.6,25,24.9,27.1,27.2,29.1,29.9,29.9
1921,28.7,28,27.6,26.7,26.4,24.7,24.5,23.5,27,29,29.8,30.1
1922,30.9,29.3,28.1,27,24.2,24.6,23.1,23.5,27.9,30.1,30.4,32
1923,31.8,29.8,28.9,26.9,26.9,25.2,22.9,24.8,26.7,30.3,32.3,30.9
1924,31.5,30.7,28.2,27.4,25.4,25.2,23.6,24.7,26.8,29.8,30.5,29.6
1925,29.8,29.5,27.7,26,25.3,23.5,23.9,24.2,26.9,29.4,30.6,31.4
1926,30.9,29.8,29,29,26.6,25.4,25.1,26.6,26.8,31,30.4,30.8
1927,29.4,28.4,29.8,27.9,26.3,24.5,23.9,25.6,26.7,29.4,31.2,30.8
1928,30.9,30.5,27.5,27.9,24.5,24.4,24.1,24.5,29.2,31.4,30.1,31.5
1929,29,29.5,28.7,27.7,26,23.5,23.3,24.8,25.8,29.8,31.7,31.9
1930,29.5,29.1,28.2,27.7,26.6,24,24.4,25.5,26.5,27.5,29.6,29.3
1931,31,31.1,29.7,27.6,26.6,24.4,25.3,25,28,28.2,29.3,30.3
1932,29.3,30.6,27.9,29.4,25,24.3,22.7,24,27.4,31.1,30.4,30.9
1933,31.6,28.8,29.3,27.5,27,23.5,24.6,23.7,27.5,28.3,29,29.7
1934,28.4,28,26.9,27.5,24.7,23.5,24,25.1,26.1,29,30.1,32.3
1935,31.7,31.5,28.5,28,24.6,23.6,24.3,24.5,27.8,28.7,29.3,31.9
1936,30.3,28.8,28.2,25.7,24.2,22.6,23.6,26.1,26.4,29.5,30,29.7
1937,30.1,30.4,28.3,26.9,26.2,25,22.1,23.6,26.3,29.1,30.1,30.9
1938,30.2,29.9,29.1,28.3,26.4,24.5,23.3,24.4,25.7,28.7,29.5,29.7
1939,28.8,28,28.5,26.1,26,25,24,23.6,26.4,28.7,30.2,31.5
1940,29.7,29.2,27.6,27,25.5,23.4,23.5,24.1,26.1,27.8,30.9,31.4
1941,30.1,28.3,29,25.9,24.5,23.9,23.9,23.6,26.1,29,29.8,30.3
1942,31.8,30.7,30.3,28.2,26.6,25.2,24.9,26.8,27.6,29.9,29.7,29.2
1943,30.4,28.6,27.9,28.7,25.8,23.8,25,27,29,30,30.2,31.9
1944,31.7,29.3,28.2,27.2,25,22.5,23.1,24.5,25.9,27.8,29.8,30.8
1945,29.7,29.6,27.7,26.5,25.2,25.2,23.3,26.6,27.9,28.2,29.7,30.2
1946,30.8,29.8,30.1,27.4,26.1,22.9,23.8,25.2,27.4,28.1,30,31.5
1947,31.7,30.3,29.8,28.1,25.4,24.4,24.5,24.9,26.8,28.4,30.8,30.9
1948,29.7,30.2,30.2,28,26.1,23.1,24.3,24.8,27.7,30.5,30.4,30.7
1949,30.1,29.7,29.4,26.1,24.6,23.3,23.3,24.1,26.6,30.2,30.2,30.2
1950,29.9,30,29.5,26.2,26.8,23.7,24,24.5,26.5,29,29.8,28.2
1951,29.4,29.8,29.3,27.8,25.6,25.2,24,25.5,25.9,29.2,30.4,31.4
1952,30.2,30.5,29.9,28.6,26.6,24.9,24.4,25.8,27.6,29.9,31.1,31.9
1953,29.1,29.4,28.5,27.8,25.4,24.5,23.1,24.8,26.4,30.2,31,31.4
1954,30,29.6,29.1,27.3,25.6,23.5,24.1,24.1,26.5,27.5,30.7,29.9
1955,30.3,28.1,28.4,27.3,27.2,23.9,23.9,26.1,26.3,30.3,29.6,31.1
1956,29.8,30.3,28.7,27.6,27.7,25.4,25.3,24.6,26.5,30.3,30,30.5
1957,28.7,30.2,27.8,27.2,24.4,23.2,24.1,25.5,27.1,29.7,30,31.2
1958,30,29.6,30.2,27.3,26.5,24.8,25.3,26.4,27.6,29.9,29.5,31.3
1959,30.3,30.2,28,26.4,23.6,22.3,23.4,24.1,26.2,29.4,30.1,31.1
1960,29.6,30.1,28.1,27.6,25.5,22.9,23.3,24.3,27.5,29.5,30.3,30.3
1961,29.5,31.1,29.1,27.7,24.5,24.4,24.1,25.1,26.9,29.1,30.3,30.9
1962,30.6,29.1,29.4,27.1,26.3,23.9,23.1,25,27,31.1,31.3,30.9
1963,29.9,29.3,29.7,26.4,26.4,24,23.4,25.3,26.8,26.1,29.7,30.3
1964,29.8,30.5,28.1,27.8,24.9,24.5,24.9,25.7,26.8,29.2,28.9,30
1965,29.2,29.2,27.9,27.3,25.4,22.9,22.1,25.3,27,27.7,30.2,29.2
1966,29.3,30.4,29.2,28.3,25.2,24,24,24.5,27.4,28,29.3,30.2
1967,31.7,28.4,27.6,26.7,24.9,23.3,22.8,25.2,26.8,28.6,30.2,30.5
1968,29.5,28.6,29.2,27.8,25.8,24.6,23.6,26.5,26.7,28.4,31,30
1969,29.6,30.4,29.2,28.1,26.2,24.2,23.8,24.5,27.4,28.6,31.6,31.1
1970,30.8,29.1,28.2,27,25.3,24.5,23.6,24.8,27.7,28.8,29.5,30.2
1971,30.9,29.2,26.8,24.9,25.8,23.2,23,26.5,28.3,30.7,32.3,31.5
1972,30.6,28.3,27.4,26.2,23.4,22.5,23.3,26.2,24.9,29.2,30.6,30.6
1973,31.8,29.7,28.2,26.3,26.2,25.9,24.8,25.9,26.7,28.7,28.8,29
1974,28.4,28.6,27.7,27.7,25.2,23.8,24.7,25.9,26.8,28.9,30.5,30.8
1975,29.9,27.4,28.7,27,25.2,23.4,24.6,25,26,28.8,30.3,28.3
1976,29.3,28.3,29,25.7,24.5,22.9,22.5,23.7,27.4,29.7,31.7,30.7
1977,29.5,28.5,28.6,25.9,25.6,22.3,22,23.6,25.8,27.4,29.9,30.1
1978,29.4,29.3,29.1,27.1,25.1,24.4,24.1,24.4,27,27,28.9,30
1979,27.5,28.1,28.4,25.7,24.9,23.9,22.7,25.2,26.1,29.4,29.9,31.5
1980,30.8,29.6,27.8,26.8,25.6,24.8,23.8,23.3,27,29.6,30.1,30
1981,27.4,29.1,29,27.8,24.6,24.9,24.4,27.3,25.2,27.9,30.5,31
1982,30.6,29.6,28.6,26,24.9,22.7,23.3,21.8,26.2,28.2,28.6,30.8
1983,31.5,31.4,28.1,27.4,25.7,23.9,23.3,23.8,27.8,29.9,30.1,29.7
1984,29.7,27.7,28.3,27.4,25.2,23.4,23.6,25.7,28,28.3,30,31.2
1985,30.5,28.7,27.6,27.7,24.2,23.4,22.5,25.5,26.4,29.3,30.7,31.5
1986,29.9,29.8,28.3,26.5,26,24.7,25,25.5,28,30.1,30.4,31.2
1987,31.1,28.8,28.6,27,25.9,24.9,23.6,25.5,26.5,30.3,31.2,31
1988,30.9,29.9,28.6,28.6,26.6,24.3,24.7,25.6,27.9,30.4,30.6,30.5
1989,29.8,29.5,28.1,27.1,25.9,23.6,24,25.1,27.6,30,30.1,30.2
1990,30.8,32.1,28.8,27.5,25.6,23.9,24.2,25.4,26.1,29.2,31.3,30.8
1991,28.8,28.2,29,26.8,24.9,25,23.9,24.8,27.8,29.2,30.6,31.6
1992,31.2,30.1,29.5,26.9,25.9,24.2,23.9,25.9,28.4,28.8,31.1,29.9
1993,28.6,28.2,30.1,26.6,25.1,24.3,24.2,24.5,27.2,28.9,30.4,30.1
1994,31.9,29.4,29,27.1,25.5,24.4,23.4,24.3,26.4,29.2,30.5,30.3
1995,30.4,28.9,27.9,28.3,25.5,24.2,24.4,24,27.6,29.2,30.9,31.7
1996,30.1,29.1,27.9,28.4,25.7,25.1,23.3,25.3,27.2,28.7,30,29.9
1997,28.5,28.7,27.8,26.1,25.1,23.2,23.4,24,27.4,28.5,30.2,29.8
1998,29.1,29.8,28.5,28.4,26.1,25.3,24.6,25.8,27.6,30,30,30.4
1999,29.6,28.5,27.7,26.2,26,24.7,24,25,26.8,29.4,28.5,28.7
2000,29.3,27.6,27.6,26.3,24.9,21.6,23.4,24.8,27.5,28.6,29.6,27.6
2001,28.9,27.2,28.5,26.4,25.3,24.1,23.5,25.1,27.5,29.6,30.9,31.3
2002,30.1,30,28.9,27.2,25.5,24.2,23.9,24.9,27.4,29.4,30.5,30.7
2003,29.4,29.6,28.1,27.6,25.3,25,23.7,25,27.6,29.9,30.6,30.4
2004,29.9,28.9,27.9,25.9,25.5,23.4,23.7,25,26.3,29.1,30,29.5
2005,28.5,30.1,28.6,26.7,24.8,24.5,24,23.7,26.7,30.1,30.9,32
2006,29.3,29.7,27.7,26,24.6,23.5,23.2,24.8,26.2,27.8,30.3,29.5
2007,29.6,27.7,28.6,26.8,25.9,22.4,22.7,24.8,27.1,29.4,29.7,30.9
2008,29.7,28.4,26.9,26.8,24.7,24.3,23.2,24.7,27.3,29.1,31.2,31
2009,28.5,28.7,29,28,24.4,24.9,24.8,26.4,28.4,29.3,29.1,30.5
