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