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