1901,29.9,29.9,28.5,23.6,22,20.2,21.3,21.8,24.4,27.5,28.1,29.9
1902,29.8,31.6,29.5,26.4,23.6,22.3,21.8,19.9,24.8,25.9,29.4,30.6
1903,29.6,30.4,29.9,25,21.1,21.1,20.2,21.9,25,25.2,28.5,29.8
1904,29.2,29,29.6,25.9,20.2,19.3,21.3,21.8,24.3,25.5,28.4,29
1905,29.1,29.1,28.6,24.9,21.7,20.6,19.8,22,24.2,28.2,27.6,29.7
1906,30.9,30.5,29.5,25.8,23.8,20.2,21.2,22.6,23.1,26.9,28.5,29.3
1907,30,30.4,30.4,25.9,20.2,20,20,21,24.3,25.9,28.2,31
1908,30.2,29.4,28.5,25.6,21.9,21.2,21.5,20.7,23.9,26,28.2,30
1909,30.8,29.9,28.1,25.6,19.5,19.4,20.8,23.8,24.1,25.5,27.4,28.2
1910,31.1,29.2,28.5,26.7,21.1,21.4,19.6,23.1,23.5,25.5,28.4,29.5
1911,31.3,30.2,27.7,25.4,22.5,18.3,19.6,21.3,23.1,25.4,29.3,30.6
1912,31,31.4,29.7,26,23.2,21.6,19.2,22.3,22.5,26.4,29.2,30.6
1913,28.8,29.7,28.4,26.1,22.3,19,22.4,22,23.7,26.3,28.3,28.9
1914,30.8,29.6,29.4,26,21.6,22.8,23.4,22,23.8,26.5,28.3,28.7
1915,30.5,31.6,27.5,27.4,24,17.6,19.8,22.8,22.9,25.6,27,29.2
1916,30.1,28.2,26.9,25.5,22.3,19.5,18.2,21.1,24.9,25.5,28.4,29.1
1917,30.8,29.4,27.9,23.9,19.7,18.8,18.4,20,23.9,24.8,26.3,29.7
1918,30.2,28.4,27.7,24.7,20.7,18.8,18.9,20.9,22.9,25.6,28.2,28.8
1919,30.1,28.6,28.8,26.1,24.1,20.6,21.5,20.7,20.8,25.5,27.2,29.6
1920,30.8,30.1,29.5,26.8,22.2,19.6,19,20.4,23.3,26.5,29,29.8
1921,30.3,29.8,28.6,24.8,23.5,17.9,18.8,22.6,23.1,25.8,27.5,31.3
1922,30.3,29.4,28.5,25.7,21.8,19.1,21.7,22.7,23.9,24.1,28.5,29.5
1923,30.7,30.2,29.9,27.1,20.3,20.2,18.6,22.6,23.8,25.7,28,30.6
1924,29.6,29.4,29.5,24.6,20.7,20.5,19.7,20.3,22.6,24.6,26.7,30.5
1925,30.4,31.2,29.2,26.6,21.7,18.2,18.4,24.4,24.1,25.5,28.5,30.7
1926,31.2,30.1,30.8,26,21.2,21.8,19.9,23.2,25.3,26.9,29.2,30.3
1927,30.9,30.8,29.8,25.9,21.7,19.4,20.4,22,23.9,26.1,28.5,29.3
1928,31,30.2,29.3,27.4,22.1,19.4,20.1,21.4,23.1,26.3,29.1,30.4
1929,31.4,30.3,28.9,25.6,21.3,19.2,20.3,21.7,23.5,26.6,28.4,30.5
1930,30.7,29.9,29.3,26.5,23.1,23.7,20.2,21.9,23.1,25.7,28.1,30.1
1931,31.8,31.2,30.1,25.4,20.5,18.6,21,22.9,22.3,26.5,27.7,31
1932,31.2,30.5,29.8,26.9,21.4,19.4,23.3,20.9,24.3,27.3,29.5,29.9
1933,29.6,30.7,29.8,26.5,23.2,19.5,18.2,22,24.1,27.3,28.1,30.4
1934,31.1,28.8,30.5,24.2,23.4,22.6,20.3,22.2,24,25.5,28.4,29.5
1935,31.2,30.7,31.1,24.5,19.2,22.6,20.5,22,22.7,25.1,27.9,29.9
1936,30.9,29.7,30,25.5,25.4,22.5,20.7,20.3,24.2,26.7,28.2,30.2
1937,29.8,30.1,28.5,24.6,21.1,22,20.2,24,23.6,24.8,27.2,29.3
1938,30.3,29.6,30.2,24.9,22.2,22,21.1,21.6,24.4,25.7,28.2,30
1939,32.6,30.9,28.9,26.4,23.2,21.5,19.6,24.1,23.4,27.5,27,27.8
1940,29.8,30.1,29.2,26.4,24.1,22.4,23.6,22.8,24.6,25.7,27.9,32
1941,32.3,29.3,28.5,27.9,23.4,21.4,21.2,24.9,22.6,26.9,28.2,29.5
1942,31.3,31.8,29.1,26.7,20.7,18.9,18.6,24.6,25.2,27.6,31.2,31.6
1943,31.8,32.3,31.3,26.1,24.1,21.4,22.1,20.4,25.5,28.1,29.9,31
1944,32.1,32.6,29.6,26.5,23.4,22.3,21.6,25.6,27.6,29.2,29.4,32.3
1945,32.8,33,30,29.1,23,19,22.5,26.8,24.3,29.2,29.2,29.9
1946,29.9,31,29,25.3,23.6,20,18.6,24.4,26.6,27.3,30.3,29.9
1947,31.7,31.7,29.1,26.4,23.7,22.3,19.2,22,24.3,25.9,29.3,30.4
1948,33.1,30.2,28.9,26.5,22.6,22.5,21.7,21.1,25.3,26.8,28.3,31.4
1949,31.4,30.8,30.8,25.1,23.1,22.4,21.6,22.9,24.4,25.8,30.1,30.9
1950,30.5,29.9,28.5,27.1,25.3,21.7,21,24.8,24.4,26.5,28.5,30.7
1951,31.1,29.5,28.4,25.3,23.6,21.4,21.1,22,24.8,26.8,29.5,30.1
1952,31.9,30.3,30.5,23.3,24.5,19.2,21.8,24.4,23.4,25.9,28.8,30.7
1953,32,30.7,31.1,25.1,24.1,21.7,17.4,24.6,26.7,26.8,28.9,31.4
1954,31.3,31.3,29.6,26.7,21.7,22.5,20.8,23.9,24.6,26,31,30.2
1955,31.9,32.6,29.5,26.6,22.2,21.1,17.5,22.2,24.9,25.6,29.2,31.3
1956,30.9,31.1,29.5,24.8,19.5,19.6,20.1,22.1,25.5,27.7,29,30.8
1957,31.4,29.3,29.9,25.5,25,21.2,19.7,22.9,23.1,28.8,29.7,31.5
1958,32.8,31.9,29.7,25.9,22.9,22.8,23.6,21.7,23.8,26.8,28.9,30.4
1959,31.6,31,29.8,26.7,22.5,21.1,23.1,22.1,25.4,27.7,29.3,29.9
1960,32.1,29.7,29.2,25.8,20.3,21,22.1,22.7,24.3,28.2,28.6,31.4
1961,32.3,31,28.2,24.8,23.2,21.2,22.4,26.3,24.7,28.4,29.8,31.9
1962,31.2,30,30.3,26,22,20.6,17.8,22,25.7,25.6,30.6,32.8
1963,32,31.2,30.3,27.5,23.6,20.7,22.7,24.4,24.6,27.8,28.8,30.5
1964,33.5,31,30.2,26.9,23.2,20.1,20.1,22.9,25,27.2,29.3,30
1965,31.4,30.4,28.1,25.7,22.9,22.8,21,22.9,24.7,28,29.5,29.9
1966,31,29.7,29.2,27.2,23.7,22.5,21.9,22.4,23.2,26.5,30.4,31
1967,30.3,29.8,28.4,27.1,25.3,19.3,21.3,24.8,25.2,29.1,28.6,32.4
1968,31.5,31.4,29.7,24,20.7,21.5,21.5,22.9,23,26.4,31.1,31.5
1969,30.3,31.7,29.4,25.3,22.9,20.3,21.7,21.5,25.7,26.1,29.2,30.2
1970,31.7,31.3,29.6,28.1,23.7,20.8,20.8,22,23.4,26.2,26.8,30.1
1971,30.1,29.5,27.8,24.2,21,20.1,20.9,24.3,25.6,25.7,29.4,30.6
1972,30.8,29.6,29,24.5,24,22.4,20.7,21.1,25.4,25.4,27.4,29.3
1973,30.8,31.1,29,27.8,21.9,21.2,19.6,20.4,22.8,26.7,28.1,29.2
1974,30.2,29.3,28.6,25.7,23.2,18.3,21.8,21.8,23.8,25.6,27.7,29
1975,29.5,30.2,28.7,25.2,22,20.8,19.2,23.4,24,25.3,28.4,30.2
1976,30,29.5,28.1,24.6,21.9,19.3,20.7,21.5,22.5,26.6,28.6,30
1977,29.9,31.7,29.9,25.8,22.5,22.1,24.2,21.8,26.1,28.9,28,30.1
1978,31.5,31.4,31.1,25.8,22,20.9,22.8,20.7,24.5,27.7,28.8,31.2
1979,31.8,30.9,29,24.6,20.7,20.2,20.5,23.6,23,26.8,27.8,29.4
1980,30.3,31.7,31.1,27.8,23.5,20.3,21.3,23.5,22.4,27.2,28.1,29.9
1981,30.6,30.8,30,26.8,25.9,19.2,20.4,23.1,24,27.1,29.2,29
1982,31.4,30.1,29.8,27.4,23.3,21.2,22.6,23.9,25.5,26.8,27.1,29.1
1983,31.1,30,28.3,26.2,23.3,18.3,19.6,22,22.2,26.7,27.7,31.1
1984,31.3,32.2,29.1,24.4,23.8,20.8,22.3,20.3,24,28.9,27.9,28.9
1985,31.3,30.6,29.7,26.2,22.7,21.1,21,21.9,24,27.9,31.9,33
1986,32.9,30.2,28.6,26.3,23.3,22.5,21,23.1,23.8,26.4,29.1,30
1987,30.8,29.6,29.8,25.9,20,20.2,23.4,21.5,24.1,26,29.3,29.5
1988,31.7,29,31.8,25.3,19.5,18.7,19.1,23.6,24.5,26.8,29.8,30.7
1989,29.5,30,28.8,25.6,22.4,20,19.4,22.4,22.4,26.2,28.8,30.4
1990,29.9,29.7,29.5,26.1,21.1,18.8,17.7,22.5,22,27.7,29.9,30
1991,31.1,30.7,30,26.7,23.7,21.4,20.8,23.5,25.7,27.5,29,30.4
1992,31.1,31.2,28.4,25.5,22.4,22.6,18.1,21.1,24,26.9,28.3,31.2
1993,30.8,31.3,30,27.6,23.1,20.4,19.7,22.2,23.1,27.2,28.7,31.2
1994,31.6,29.5,29,26.3,25.2,23.1,21.9,23.5,23.7,27.4,27.8,32
1995,30.1,29.6,29,25.3,21.7,22.9,23,24.4,24.4,26.2,31.1,31.8
1996,31,30,28.2,26.7,23.3,18.5,19.6,24.1,23.4,26.4,29.8,29.7
1997,31.5,30.2,29.6,26.2,23.1,20.4,23,23.4,25.4,26.5,28.3,31
1998,31.5,29.7,28.3,24.8,22.1,21.1,22.1,22.7,23.7,27.3,29.6,29.8
1999,31,30.3,31,25.5,21.7,20.3,19.5,24,26.2,26.7,28.2,31
2000,31.3,30.6,30,26.8,21.4,21.5,18.1,23.6,24.2,27.7,28.8,30
2001,30.6,30.4,30,27.5,21,21.1,22.8,25.3,24.7,27.8,30.4,30.7
2002,31.5,30.8,31.2,27.7,23.9,21.7,21.4,23.7,24.4,28.1,29.2,30.3
2003,31.9,31,29.4,26.4,22.4,23.9,21.6,21,24.7,28.2,28.4,28.7
2004,29.9,30.1,29.6,28.5,19.9,21.2,20.9,22.6,25.8,27.3,27.8,29.8
2005,31.7,31.2,31.6,26.2,23.6,20.5,20.5,24.3,21.1,26.3,29.6,31.1
2006,32.3,31.1,29.6,26.2,20.9,20.6,23.6,23.3,23.9,29,29.4,32.1
2007,31,31.1,30,27.7,20.2,21.6,18.6,21.3,26.8,28.2,28.4,30.6
2008,30.9,29.8,30,26.1,21.8,19.1,23.3,23.2,23.2,26.8,29.4,30.8
2009,30,30.4,31,28.3,23.3,19,17.6,23.2,23.6,27.5,30.3,30.2
