1901,28.3,28.9,25.6,23.3,18.3,16.1,15.4,17.7,19.1,22.4,25.2,28
1902,27.5,29.1,27.7,21.8,20.2,15.4,15.5,16.4,18.9,22.8,23.7,28.4
1903,28.3,28.2,25.9,21.6,17.6,14.7,14.8,16,19.7,21.8,24,27.9
1904,28.7,29.1,26.2,21.9,18.3,15.5,16.2,16.5,18.9,21.7,24.3,26.9
1905,29,28.5,27.1,23.1,17.7,14.8,17.1,15.4,19.5,22,24.6,27.8
1906,28.6,29.1,26.8,21.9,18.4,16.1,13.9,16.1,18.5,21.5,25.6,27.3
1907,28.6,28.6,26.8,22.2,17,15.1,15.6,16.8,19.4,21.6,24,27.2
1908,28,28.2,26.2,21.8,19.2,15,15.5,16.2,19,22,24.5,28.4
1909,29.4,29,25.8,23.2,18.6,16.5,16.2,17.1,20.2,21.4,25.9,26.4
1910,29.3,29,26.6,22.8,18.9,15.5,16.3,15.9,19.4,22.2,24.1,28.7
1911,29.1,30.1,27.1,22.7,19,15.6,14.8,16.2,19.2,23.1,25.4,28
1912,29.1,28.3,27.3,23.1,18.4,17.4,15.5,16.7,18.3,23.1,24.9,28.8
1913,30.5,29.6,27.5,22,19.2,16.5,14.6,17.5,18.8,22,25.8,27.2
1914,29.1,29.1,26.8,22.3,19.3,15.2,16.1,16,19.5,23.6,25,27.2
1915,30.8,30.2,27.7,21.4,18.9,15.9,13.9,16.9,19.1,22.3,25.6,28.6
1916,29.3,29.4,26.3,23.4,17.5,14.6,15.4,16.6,19.3,22.7,25.9,28.8
1917,29.5,30.3,26.6,22.9,17.6,15.1,15.6,15.7,19.2,22.6,24.7,28.4
1918,29.2,29.7,26.3,23.3,18.5,15.6,15.3,17.3,20,22.8,25.2,28.2
1919,29,29.7,28.2,23.8,19.5,16.3,14.8,17.2,18.2,22.9,25.4,28.5
1920,30.7,29.2,26.6,24.1,18.8,15.1,16.1,17.4,18.9,21.9,26.5,28.1
1921,28.3,30.1,27.6,22.6,19.6,15.7,14.3,15.5,18.7,21.7,25.8,28
1922,28.6,29,27.2,23.2,18.7,15,16,15.7,19.7,22.6,25.2,28.5
1923,29.1,29,27.4,22.4,17.8,15.4,15.3,17.2,19.3,23.7,26,28.8
1924,29.9,29.3,25.5,23.3,17.5,15.2,15.5,16.3,19.5,21.9,24.4,29.4
1925,28.9,30.4,27.6,23.2,18.9,14.9,15.7,17.6,20.1,22.5,25.1,27.9
1926,30.3,28.8,27,23.1,18.9,15.7,14.4,16.6,18.7,21.9,24.9,28.1
1927,30.3,29.7,27.4,23.7,18.2,16.8,16.3,17.6,20.2,23.4,26.9,28.3
1928,29.6,29.2,26.8,23.1,19.7,15.2,16.7,17.3,18.7,22.5,25.1,28.3
1929,30.3,28.8,26.9,22.4,18.7,16.5,15.1,17.6,19.7,22.9,25.5,28.6
1930,29.2,28.9,27.4,22.5,20.5,16.3,16.5,17,18.8,23.3,26.3,28.8
1931,31.1,30,28.6,21.8,18.8,15.4,15.3,17.2,19.5,22.3,27.3,28.4
1932,28.6,30.1,27.4,25.3,20.7,16.2,15.4,17.8,19.4,23.1,27.1,28.3
1933,29.6,29.3,26.4,24.2,18.8,14.8,15.3,16.3,20,23.4,26.4,29.8
1934,29.7,30,26.8,24.7,20,18.2,15.3,17,20.4,23.2,26.7,28.9
1935,30.1,30,25.9,23.2,18.4,15.8,15.4,17.5,18.7,23.1,25.5,28
1936,27.7,27.7,27.9,23.6,17.5,17.2,16.9,18.1,20.3,22.4,25.8,28.1
1937,29.7,30.2,27.3,23.2,18.8,16,15.6,18.2,19.7,23.3,26.4,29
1938,29.3,28.7,27.4,23,19.2,17.4,16.8,16.6,19.6,22.4,25.1,28
1939,29.9,29,27.1,22.4,19.9,17.6,16.6,17.1,20.2,23.6,26.4,29.1
1940,30.2,29.4,26.6,21.7,19.2,17.2,17.2,19.2,18.4,24.4,25.2,29.5
1941,29.4,29,28.2,22.4,18.1,15.6,16.2,18,18.4,22.9,24.1,27.9
1942,29.1,31,27.5,24.1,18.9,15.4,16.1,17.2,18.9,22.4,26.8,27.8
1943,28.6,27.9,28.3,22.6,18.2,15.8,14.1,15.9,18.3,22.5,25,29.1
1944,30.3,30.5,27.3,23.1,18.4,15.3,15.6,16.9,19.1,23.5,24.9,28
1945,30.1,31,27,24.7,19.6,15.8,14.6,17.3,23.1,21.6,26.9,28
1946,29.5,29.8,26.2,22.6,18.9,16.1,15.5,17.8,18.8,21.7,26.7,29.2
1947,29.6,30.8,27,22.7,18.6,15.5,14,19.2,19.8,23.4,26.9,28.5
1948,29.9,29.2,25.5,22.5,20.1,16.3,15.8,18,19.1,23,26.4,28.7
1949,30.7,29.9,29,23.8,18.9,19.4,15.8,16.8,19.7,23.8,25.1,28.4
1950,29.8,29,27.2,21.5,19.6,16.6,15.1,17.7,19.7,23.6,24.9,27.3
1951,28.7,28.8,27.1,23.2,19.4,17,16.1,18.3,19.2,21.8,25.4,28.7
1952,30.6,30.2,26.4,24.1,19.2,17.6,16.3,17.4,21.1,22.9,26.1,28.4
1953,31.1,29.9,28.2,22.6,19.1,16.6,15.7,17.1,22.2,23.7,25.2,28.3
1954,29.9,29.8,26.4,22.9,18.7,17,14.6,16.9,20.2,22.5,26.3,28.4
1955,29.8,28,27,22.5,20.3,15.3,15.1,15.2,19.1,22,25.1,27
1956,30.2,28.2,26.7,23.3,18.1,16.4,16.3,16.6,19.9,22.9,26.4,27.9
1957,30.4,29.5,27.5,23.2,18.6,15.4,15.7,17.5,19.8,21.5,26.3,29.4
1958,29.9,29.3,27.4,23.3,18.7,15.5,17.1,17.6,20,22.9,26.3,29.8
1959,29.1,29.1,27.5,22.9,17.2,17.4,16.5,18,20.8,22.6,26.5,28.8
1960,29.2,30.3,26.8,22.2,18,16.8,16.4,17.5,21.5,24.5,27.6,28.3
1961,29.1,29.5,26.8,22.4,17.4,16.5,17.2,17.5,19.3,21.2,27,28
1962,29.6,29.3,27.5,23.6,21.8,15.1,16.6,17.3,19.7,21.9,24,29.8
1963,29.7,30.1,26.3,22.4,19.7,17.4,14.2,17,21.9,23.7,26.7,28.9
1964,29.9,28.2,27.9,23.3,21.2,14.7,16.2,16.3,17.9,21.7,23.9,29.4
1965,30.1,29.2,26.3,21.9,18.5,16.7,15.8,17.8,21.8,22,25.1,27.3
1966,30.2,27.6,27,23.6,18.7,17.3,14.7,16.6,20.1,24.4,26.7,29.9
1967,29.7,30.2,27.3,19.9,18.6,13.7,15.2,17.7,21.7,23.5,27.6,30.5
1968,29.5,28.6,28.1,22,17.6,14,15.2,16.2,21,21.8,27.2,29.2
1969,30,29.7,28.3,21.6,19.8,16.5,17.6,18.7,19.8,22,26.3,29.8
1970,30.9,29.3,28.7,25.2,17.6,15,14.6,15.4,19.2,23.1,25.3,27
1971,29.4,29.2,27,22.9,19.5,15.9,14.5,14.7,18.5,23.4,25.5,28.8
1972,31,29.7,27.3,24.1,19.2,17,17.3,17.3,20.9,25.4,28.7,28.6
1973,30.3,29.9,27.6,24.6,18.2,18.6,16.2,16.4,19.1,25,26.5,28.2
1974,29.6,29.3,26.6,24.8,18.2,16.1,16.4,15.2,18.5,22.8,26.2,29.4
1975,29.5,29.8,27.4,23.6,18.7,17.1,14.6,16.2,20.4,22.1,26,27.3
1976,30.7,28.8,26.2,23.8,19.9,14.8,14.8,17.5,20.7,22.7,22.8,28.1
1977,29.5,29.3,27.5,23.9,17.2,16.3,16.3,17.8,19.8,23.1,26.8,29
1978,29.5,30.8,29,22.7,19.7,19.4,19.2,17.6,20.4,21.9,27.3,29.3
1979,30.5,31,27.9,26.7,20.6,16.8,15.6,17.4,20.2,22.6,28.3,30.8
1980,30.3,30.1,30.1,25.1,20.3,17.3,19.5,18.8,20.4,24.6,24.1,28.4
1981,28.8,29.2,27.1,24.5,20.8,16.7,16.6,15.2,19.1,23.2,26.2,27.7
1982,28.5,30,26,21,18.4,15.6,16.1,17.8,21.6,24.3,25.6,28.7
1983,31.5,29.1,29,25.8,18.8,16.1,15.8,19.1,19.6,24.5,26,29.6
1984,31.2,31.1,28.5,25.4,18.5,18.5,16.8,19.5,20.8,22.8,28.3,27.8
1985,30.1,29.2,26.7,24.2,21.5,17.8,15.7,19.5,21.1,24.4,27.9,27.7
1986,30.5,30.1,27.1,24.7,22,17.1,16.5,18.2,21.1,23.9,27.1,30.3
1987,29.9,30.5,28.7,24.6,22.3,17.1,17,18.7,19.8,24.4,26.7,28.3
1988,30.7,30.8,27.4,21.8,20.8,16.4,17,19.9,20.5,22.6,27.1,28.5
1989,30.7,28.7,27.4,23.6,19.9,16.1,15.7,17.7,20.3,22.6,26.4,29.3
1990,31.1,29.2,27.4,22.8,19.6,15.2,15.8,18.5,22.9,24.3,26.7,28.6
1991,30.2,28.4,28.2,25.9,21.1,15.6,15.2,16.4,20.3,22.2,26.7,29.8
1992,30.1,29.4,28.3,23.5,19.9,15.7,16.3,17.2,20.5,22.5,25.9,28.4
1993,31.3,29.6,29.5,21.9,18,16.4,16.6,18.4,21.8,24.7,28,28.4
1994,30.7,31,27.3,24.6,20.1,14.6,16.2,17.8,21.3,24.8,26.7,29.8
1995,29.8,31,27.7,23,20,16.1,14.5,17.8,20.9,21.2,26,27.7
1996,30.4,29.9,27.2,25.8,21.6,17,13.6,16.7,18.7,21.6,22,27.8
1997,30.2,28.9,26.4,22.3,20.8,14.3,17.1,17.7,23.8,26.3,25.3,29.7
1998,30.2,30.8,27.5,25.4,19.3,17.6,16.3,18.5,20.5,24.5,25.7,29.1
1999,32.2,30.7,29.5,24.3,19.6,18.6,17.1,19.6,19.8,25.1,27.3,31.1
2000,29.8,29.9,26.4,24.1,20.3,19,17.7,20.4,20.2,24.7,27.3,29.7
2001,30.1,31,27.9,22.3,20.6,18.6,16.1,16.7,18.2,24.1,26.4,28.9
2002,29.4,30.8,29.2,25.2,19.3,15.7,15.1,17.5,21.5,23.8,26.4,30.1
2003,30.6,31.1,28,24.6,19.9,17.4,17.5,16.2,20.1,24.2,26.9,28.7
2004,27.5,30.5,27.2,24.5,21.8,17.6,16.7,18.1,21.6,24.2,28.4,30.2
2005,30.8,30.9,28.6,23.6,19.6,16.2,18.9,16.9,21.8,25,27.3,29.2
2006,31.1,31.4,28,24,18.5,18.4,16.9,17,22.1,24.6,27.6,29
2007,31.7,30.2,28.5,25.1,20.6,17.1,16.7,17.8,21.3,24.8,25.5,29.7
2008,30.7,30.4,28.9,24.6,20.3,16.7,16.4,18.2,19.1,24,26.6,29.9
2009,30.2,31,29.6,25.4,19.8,16.7,17.3,18.9,20.3,24.9,27.1,28.8
