1901,29.4,29,26.8,22.8,21.6,20.9,18.7,20.1,25.5,26.6,27.5,30.6
1902,30.8,30,27.1,25.7,22.2,20,18,17.9,23.9,25.6,27.2,30.5
1903,30.2,29.9,26.5,23.3,20.4,18.5,17.9,20.3,25.4,25.2,27.7,29.4
1904,29.7,27.1,25.3,25.6,21.3,18.8,19.4,20.5,26.1,25.4,25.3,28.2
1905,29.4,29,26.7,22.7,19.1,18.7,16.7,20.8,24.3,25.7,26.5,28.7
1906,30.1,31.6,29.4,26.3,23.1,15.5,18.1,20.6,25.1,27.4,29.4,30.2
1907,31.8,29.3,26.1,23.3,18.7,16.5,17.8,18.7,21.8,24.8,28.1,30.8
1908,31.7,28.8,27.6,22.9,20.1,19.3,18.6,19.4,22.2,25.1,27.3,29.2
1909,32.4,27.9,27.3,24.8,18.6,16.4,17.6,22.7,23.4,25,26.1,29.4
1910,30.9,28.5,25.4,23.7,19.7,19.5,17.8,21.4,23.1,25.8,28.5,29.6
1911,31.5,30.2,26.8,23.4,21.2,17,18.4,18.6,20.5,24.3,27.7,29.8
1912,30.9,30.1,28.6,24.5,19.4,18.9,17,19.1,25,27.1,27.7,31.9
1913,31.1,31.8,27,26.5,22.3,20.3,22.2,21.2,23.9,26.8,29.1,30.3
1914,32,30.4,25.8,23,22.1,21.2,21.3,21.3,23.7,24.2,26.9,29.9
1915,29.7,30.1,25.7,25.1,22,15.7,19.6,22.1,22.8,25.9,29,31.5
1916,31.2,29.2,27,25.8,21.7,14.1,16.1,20.8,25,27.2,29.7,29
1917,31.2,28,25.8,24.3,18.5,18.1,16.8,19.4,23.5,24.6,27.5,31.2
1918,29.1,27,25.8,24.4,19.3,17.1,18.3,20.9,21.5,25,27.5,29.8
1919,31.1,28.9,25.7,24.2,23.4,17.4,18.1,20,22.1,24.8,27.4,30.6
1920,31.7,28.5,27.6,25.1,22,16.8,15.6,20.2,23.8,24.2,27.6,29.5
1921,28.9,28.2,24.3,23.3,22.2,14.5,16,19.1,21.9,24.2,26.1,30.3
1922,28.3,28.5,25.3,22,19.7,15.5,19.2,18.5,22.5,23.3,27.1,28.2
1923,28.5,29.3,27.6,24.2,18.3,18.9,15.5,19.4,23.2,22.9,27.5,28
1924,28.9,29.7,26.7,23.1,19,17.4,17.1,18.4,21.4,24.5,26.3,30.3
1925,29.9,29.8,28.5,23.3,18.8,16.6,16.8,21.6,23.3,23.9,27.3,29.5
1926,30.6,30.3,28.5,23.4,19,18.2,16.8,20.8,22.7,25.9,28,29.6
1927,30,30.2,26.5,23.8,20.2,16.8,17.7,20.7,21.9,24.8,28,28.6
1928,30.6,27.2,25.6,24.7,19.2,15.8,17.2,18.6,21.3,23.6,27.6,28.8
1929,30.7,30.8,27,25.6,18.8,16,18.7,19.6,23.9,24.4,28.2,31.2
1930,31.7,29.6,27.1,24.6,19.9,21.9,16,17.7,23.1,22.8,25.8,30.4
1931,29.2,29.2,25.9,22.5,16.1,15.2,16.1,17.9,19.8,25.9,24.6,29.7
1932,30.6,28.1,27.5,23.8,17.7,18.2,19.7,18.6,23.3,24.9,28.1,29
1933,29.8,28.4,25.6,23.6,19.9,16.9,14.2,21.1,22.3,26.2,27.8,29.5
1934,30,27,25.7,20.6,19.1,18.4,18.1,19.6,21.2,23.3,25,28.2
1935,29.6,29.3,27.4,22.3,23.1,18.7,16.8,20.2,21.5,22.2,28.2,30.1
1936,31.1,28.4,27.7,23.8,20.2,17.4,18.6,18.9,23.1,26.3,24.9,29.8
1937,30.5,31.2,27.1,24.4,19.6,19.9,17.4,20.5,21.8,23.6,28.7,30.8
1938,31,29.3,25.7,21,19.9,17.5,17.2,17.8,23.4,26.1,28.7,31.9
1939,31.6,29.5,25.7,21.8,21.2,19.7,19.7,23.5,21,23.2,25.4,27.7
1940,29.5,28.3,27.3,23.8,20.8,18.5,18.7,17.5,21.3,21.7,26,29.2
1941,30.5,26.9,23.6,22.4,18.8,17.8,18.5,19.9,21.1,26.7,26.1,30.9
1942,30.7,29.4,25.8,23.3,17.5,14.4,15.4,18.9,22.3,25.4,28.1,30.4
1943,31.6,31.3,25,23,20.2,17.2,17.5,17.6,22.5,25.1,26.2,30.8
1944,28.4,29.6,26,23.9,19.3,19.7,19.2,21.6,27,25.7,26.6,32.5
1945,32.6,28.1,26.8,25.9,23.2,18.6,18.1,22.7,23.1,26.9,26.7,29.3
1946,28.7,31.1,25.5,24.1,19.3,15.3,16.6,19.8,23.3,24.2,28.3,29.9
1947,30.7,29.2,26.3,22.4,20.9,19.7,15.5,17.8,22.1,23.4,27.2,29
1948,30.6,28,24.9,22.7,20.3,18.8,17,18.4,24,24.4,27,31.9
1949,29.5,29,26.1,24.1,20.6,17.7,16.1,19.5,21.6,22.6,28.6,30.6
1950,30.6,28.3,26.5,25,21.5,18.5,18.4,21.1,21.2,23.9,26.4,30.5
1951,31.3,27.4,26.6,20.9,22.1,19.7,19.3,18.7,23.5,26.8,29.3,29.2
1952,31.2,28.7,29.7,23.8,21.6,14.2,18.9,19,22.3,24.1,25.7,29.2
1953,30.2,30.7,26.6,23,20.4,17.6,14.7,19.4,25.4,24.1,28.3,29.5
1954,31.5,30.3,27.7,22.7,18.3,17,15.7,19,21.3,24.5,28.8,31.5
1955,32.6,28.4,24.4,22.8,18.3,17.5,14.5,18.7,22.3,23,27.8,29.9
1956,29.5,27.6,26.6,21.6,16.6,16.4,18.6,19.8,23,23.9,24.4,27.8
1957,30.6,28,27.4,21.8,22.5,15.7,14.9,20,21.3,26.7,27.6,30.2
1958,29.8,29.5,25.8,24,19.3,19.4,21.9,18.5,23.6,26.1,28,27.7
1959,28.7,29.3,25.2,21.1,18.6,18.4,18.1,18.5,23,25.8,27.5,29.9
1960,31.4,30.3,26.2,23.7,20.3,18.5,16.6,20.8,23.7,25.7,27.9,31.3
1961,31.1,28.3,26,22.7,21.3,16.7,17.7,22.9,22.8,25.5,28.1,30.2
1962,29.6,29.8,29.3,22.5,19.7,17.9,13.6,20.9,24.6,25.9,30.2,30.8
1963,29.1,28.1,25.2,26.1,20.7,18.3,18.4,21,19.9,23.4,25,28.5
1964,30.4,29.8,23.2,22.4,21.3,16.5,17.5,20.8,23.5,23.1,27.4,29.5
1965,31.4,31.4,28.1,24.7,20.5,21.8,17.4,21,22.9,27.8,28.3,28.6
1966,29.9,27.8,27.5,22.7,21.6,19.6,18.8,20.3,22.7,26.4,27.9,28
1967,32,30.1,26.8,26.3,22.5,14.8,17.5,19.8,22.6,24.4,27.2,33.2
1968,31.3,31.2,27.1,23.6,21.5,16.8,20.1,21,23.5,23.5,31.2,30.1
1969,32.9,29.8,27.7,26.9,21.7,18.3,19.3,19.4,25.4,26.5,28.7,31.8
1970,30.4,32,26.9,28.3,20.4,17.5,18.9,21,26.2,24.8,28.8,32.2
1971,28.1,28.2,26.5,21.7,20.9,15.4,20.9,21.4,25.2,27.2,31.1,35
1972,33.2,31.7,25.9,23.3,21,17.7,17.5,19,23.4,24.4,26,30
1973,31.1,28.8,26,22,19.6,18.1,13.8,19.9,21.7,26.8,27.3,28.9
1974,31.3,26.1,26.2,24.9,20.5,18.2,17.9,20.5,20.6,26.3,29.6,27.8
1975,29.9,29.2,25.3,24.1,20.1,19.5,16.8,17.9,22.7,26.1,28,34.7
1976,30.7,29.6,24.6,24.1,19.4,17.9,17.8,19.1,22.5,25.7,28.7,30.1
1977,30.4,27.7,26.1,24.3,20.2,18.2,18,20.4,25.6,28.2,29,29.4
1978,27.8,27.9,24.9,24.8,21.6,17.4,18.7,18.4,24.3,24.9,27.7,30.1
1979,30,28.7,26,22.4,21.7,18.7,19.3,21.8,20.6,26.2,25.3,28.3
1980,32.7,30.4,29,23.7,20.9,16.4,18.8,21.5,24.8,25.1,27.4,30.9
1981,28.2,28.1,27.6,24,22.1,17.5,17.7,21.7,22.6,26.4,26.9,30.7
1982,30.2,28,26.4,23.5,22,16,17.7,21.2,22.5,27.1,27.6,30.2
1983,29.5,26.8,25.8,23.5,18.6,15.9,15.9,18,22.3,28.1,28.4,32.7
1984,30.8,28.9,24.5,22.1,20.4,14.3,16.5,18.4,21.7,26.2,26.1,26.5
1985,29.5,27.4,26.8,23.5,22.5,19.3,17.1,19.5,22,24.4,27.2,29.7
1986,32.7,29,26.4,24.3,21.3,19.2,18.6,18.7,22.5,25.6,27.7,31.4
1987,30.5,30.7,27.3,24.4,17.2,19.8,19.2,17.7,22.6,27.2,28,28.3
1988,29.1,28.5,27.4,23.1,17.5,17.6,15.4,21.2,21.8,27.1,31.9,33.3
1989,33.5,32.5,26.2,25.1,20.4,18.4,17.7,22,21.9,26.2,29,32
1990,31.5,27.4,24.1,22.9,19.6,18,16,23,22.3,25.9,29,29.6
1991,29.6,29.2,28.1,24.7,21.8,17.8,17.3,19.2,23.1,24,27.4,28.7
1992,29.7,28.4,28,22.4,19.5,19.6,14.5,20.5,21.6,26.1,25.5,28.7
1993,30.2,28.3,28.1,24.1,20.1,18.4,15.5,20,21.9,25.1,27.8,30
1994,30.4,27.8,27.1,23.9,22.1,20.8,18,20.7,24.7,24.8,28.3,33.6
1995,29,28.1,27.2,26.2,21.6,18.5,18.1,20.6,25,26.4,29.2,34.1
1996,29.4,27.8,28.2,21.6,20.8,16.4,17.8,23.2,22,27.1,29.2,30.3
1997,30.4,27.4,26.5,27.6,22.3,18.6,19.4,21,24.2,24.6,26.9,29.3
1998,28.5,24.6,24.2,21.7,20.2,17.9,18.9,19.3,21.6,27.2,27.7,31.6
1999,28.2,31,24.9,21.3,18.8,16.5,16.2,21.2,24.4,24.2,26.7,28.8
2000,29.4,26.9,24.9,22.5,18.5,17.2,15.6,20.4,23.2,25.5,25.4,30
2001,30.4,30.9,26.3,22.3,17.9,17.6,17.3,20.7,20.1,24.6,27.8,30.5
2002,29.8,27.9,27.7,21.8,20.4,16.2,16.4,21.1,24,27.8,29.3,28.7
2003,31.4,29.9,26.1,22.1,19.9,18.8,16.9,18.8,24.6,27.9,30.7,28.9
2004,32.1,28.4,27.9,23.2,16.4,19.1,17.8,20.3,24.8,27.2,27.9,30.1
2005,31.4,28.5,26.1,22.4,20.1,17,18.4,19.5,21.7,24.9,29.1,29.6
2006,31,28.8,26.1,24.2,19.3,18.6,20,20.8,25.1,28.1,28,31.1
2007,28.6,28.3,24.5,23.8,16.5,17.3,15.9,16.2,23.4,26.1,29.2,31.4
2008,30,27.7,25.8,24.3,20.8,16.9,19.8,21.2,22.3,25.7,29.7,29.8
2009,30.1,29.9,29.3,27.9,21.4,18.8,17.2,22.9,21.3,28.3,30.1,28.6
