1901,30.7,32.3,26.5,23.2,21.1,15.9,13.6,16,20.3,22.3,29.8,30.5
1902,30.8,29.1,26.6,25.7,21,16.4,15.5,16.5,20.3,24.1,29.2,27.7
1903,31.1,28.7,27.5,22.6,18,16,14.1,16.7,19,24.6,27.6,27.6
1904,29,28.1,26.3,26.7,19.5,16.4,14.7,16.6,18.6,24,26.8,29.4
1905,32,28.4,26.3,24,20.6,16.4,14.9,15.9,17.9,20.5,26.2,29.2
1906,33.7,33.1,27.1,25.1,21.2,18.6,15.9,16.5,19,24,24,28.3
1907,29.1,31,25.5,22.5,19.6,15.7,15.5,17.5,20.5,24.1,27,27.1
1908,34.2,30.9,25.8,24.3,18.4,14.6,13.9,15.3,17.2,23.7,28.1,29.9
1909,29.7,29.1,27.1,21.6,19,16,13.7,15.5,18.7,24.2,26.2,26.8
1910,32.8,32.3,26.8,24.8,20.6,17.2,14.9,17.9,19.4,20.9,26,26.2
1911,31.1,27.3,25.8,23.4,18.9,15.8,15.3,18.4,19.4,23.3,29.9,26.8
1912,30.5,32.3,28.2,22.2,21.1,16,15,17.2,19.7,23.7,24.4,28.6
1913,29,29.7,25.5,25.3,17.5,16.2,16.4,17.7,18.8,24.8,25.9,30.2
1914,30.6,31.3,28.5,23.7,19.6,17.7,15.7,20,20.5,25.9,28.5,29.1
1915,30.6,30.9,27.2,23.4,18.4,17.6,17.1,18,20.5,23.6,26.5,28.1
1916,30.2,30.9,27.3,22.1,20.4,16.3,15.2,17.4,20.2,22.1,23.4,27.8
1917,29.8,27.5,26.2,22.1,17.5,16.3,16.5,17.2,20.2,22.2,25.7,29.2
1918,30.9,29.7,25.8,22.8,20.2,17.9,15.3,17.7,19.8,22.8,27.1,29.1
1919,30.4,30.6,26.5,24.4,18.1,17,15.9,17.7,19.8,23.1,26.8,29
1920,28.6,29.2,26.3,23.5,18.8,17,15.9,17.5,19.7,23.9,26.8,28.1
1921,31.2,30.8,26.8,24.2,20.9,18.2,17.7,17.5,20.4,23.7,29.1,26.2
1922,29.6,32.3,27.6,25,18.7,15.5,14.3,17,19.5,24.6,28.5,28.3
1923,31,32.8,28.8,26.1,20.8,15.9,15.3,16.2,19.5,22.5,25.4,27.5
1924,28.2,28.1,26.1,21.3,19.5,14.9,16.2,17.6,19.1,23.7,26.8,27.3
1925,29.7,30.2,28.8,24.2,18.7,16.5,14.5,15.7,18.1,23.2,27.2,29.3
1926,30.2,30.9,26.8,23,16.6,15.5,15.6,16,19.4,23.4,24.7,26.3
1927,31.6,27.6,25.4,22.4,18.2,14.5,14.5,16.4,20,23.8,27.8,27.6
1928,28.5,27,27.3,24.5,18.5,15.1,15.1,18.6,20.6,21.8,27.3,28.7
1929,28.9,30.6,25,22.3,18.2,15.2,13.8,15.6,19.3,22.5,24.5,25.1
1930,29.4,31.6,30,23.9,20.9,16.6,15.9,16.9,19.8,24.5,27.4,30.3
1931,28.9,28.7,25.9,22.8,17.3,13.5,13.7,15.9,19.4,22.7,24.7,30.4
1932,33,26.6,26.8,21.2,20.8,15.5,14.9,15.7,18.9,20.1,27.4,27.7
1933,27.6,32.2,26.3,23.8,18.6,17.7,14.9,15.5,18.4,24.4,25.7,27.8
1934,32.9,30.3,30.1,21.3,21.9,16.4,16.6,16.3,20.7,22.7,25.2,28.7
1935,29.1,29.4,26.8,20.7,18.5,15.1,16.1,17.9,20.5,22.7,26.3,28.4
1936,29.6,28.2,28.1,22.7,20.7,15.4,14.6,17.9,20.2,22,26.5,27.9
1937,28.4,29.5,28.9,22.8,19.3,14.7,14.9,16.6,19.9,24.4,27.6,26.7
1938,28.3,27.3,27.8,24.1,19.8,14.6,15.1,16.2,20,24.3,28.6,30.1
1939,34.3,31.5,27,23.5,21.4,16.5,14.6,15.6,19,23.6,23.4,26.5
1940,29.6,29,32.4,20.3,17.7,16.7,15,18.3,20.3,26.1,24.2,29.3
1941,27.5,27.6,24.2,24.8,18.7,16.6,15.4,17.4,18.1,21.9,28.2,30.2
1942,31.1,28.2,28.1,23.1,18.3,14.8,14.3,17.3,18.9,23.2,25.9,29.1
1943,30.7,29.9,29.7,20.4,17.5,15.3,14.4,14.1,18.3,21.3,24.5,27.3
1944,29.6,28.6,28.3,20.3,17,16.1,14.9,17.4,22.5,23.8,28.3,27.7
1945,28.6,27,26.2,25.2,19.8,17.7,14.8,16.8,18.8,21.6,24.7,30.4
1946,30.1,25.5,24.8,21,20.2,15.2,16.2,17.7,19.8,22.9,26,27.2
1947,30.6,32,27,23.2,21.7,17.4,14.4,16.6,19.2,21,24.9,28.1
1948,29.7,29.8,26.1,22.5,18.4,15.9,15.6,18.7,21.8,22.2,25,27.8
1949,29,24.8,26.8,23.5,17.5,15.5,15.9,18.1,19.7,20.8,23.4,28.6
1950,29.3,27.9,26.6,24.1,19.9,15.5,15,16.9,20.4,21.2,26.8,30.4
1951,33.1,30.4,28.8,21.1,18.9,16.1,14.9,14.9,20.7,22.2,27.9,29.6
1952,30,27.1,27.9,20.6,17.9,16.9,14.5,16.4,20.2,21.7,23.3,27.4
1953,29,29.1,30,24.2,20.2,16.1,15.9,15.4,19.3,22.8,25.2,27.4
1954,29.5,26.6,27.9,23.2,19.5,15.9,16,18.5,20.8,22.6,26.6,29.4
1955,31.5,31.2,26.3,23,16.9,15.3,14.4,17.7,21.9,22.1,24,27
1956,29,31.8,26.3,22.4,19.2,14.2,14.6,14.8,16.7,19.8,24.1,26
1957,30.6,29.7,27.2,24.2,20.9,19.9,14.2,17.3,20,23.9,26.8,29.4
1958,30,30,25.5,26,20.2,16.3,15.8,15.8,17.2,21.1,26,25.4
1959,32.5,28.7,27.8,25,20.5,17.5,15.7,19.5,20.4,23.7,29.1,24.8
1960,32,26.3,28.2,20.8,15.8,14.4,14.1,15.5,17.1,24,23.6,30
1961,32.7,30.4,28.3,22.7,20.4,17.8,15.3,16.4,22.8,25.4,25.2,28.9
1962,30.2,29.4,26.9,24.9,17.5,18.7,16.5,17.1,20.3,21.2,29.3,26.5
1963,29.5,29.7,26.4,22.6,17.7,15.7,13.7,16.5,20.5,25.3,27.5,29
1964,29.4,26.2,28.1,23.1,19.6,17.2,15.9,16.9,19.3,20.8,25.7,24.9
1965,29.5,32.1,28.5,22.4,19.9,16.5,15.6,16.9,20.7,26.2,27.2,30.6
1966,31.4,28.7,27.3,23.3,19.4,16.5,14.4,15.8,17.7,20.9,27.5,25.1
1967,27.8,28.9,26.4,25.5,20.5,18.4,15.7,16.9,20,25.9,27,26.9
1968,32.3,31.3,26.3,24.4,16.8,15.1,14.3,15.2,18.5,24.4,23.7,27
1969,32.6,27,25.8,24.2,18.2,16,16.6,18.5,17.2,25.3,26.1,25.5
1970,28,31.3,25.8,23.7,18,17.5,16.7,15,16.9,23.7,26.3,27.6
1971,29.2,30.1,27.7,24.6,18.1,15.5,15.4,15.9,19.8,23.4,23.2,26.5
1972,28.1,29,26.8,25.2,21.4,17.9,15.3,17,20.9,23.3,25.7,30.3
1973,31.6,29.1,26.4,24.1,21.1,14.5,16.6,16.9,19.8,23.5,26.1,28.6
1974,31.6,28.1,29.1,22.1,17.9,16.8,15.8,17.7,18.1,21.7,25.4,26.9
1975,29,31.4,25.4,24.5,21.5,16.9,18.2,16.9,19.7,19.1,27.7,29.6
1976,28.6,30.4,27.6,23,19.2,15.9,17.1,18.2,19.9,20.3,24.6,29.1
1977,31.1,31,26.4,22.5,19.2,15.5,16.9,21.5,19.8,25,26.4,30.1
1978,28.9,30.2,27.4,24.3,20.1,16.1,14.9,16,17.1,23.5,25.9,27.7
1979,34,31.1,27.9,22.2,17.9,18.2,16.6,16.2,17.9,22.4,27,28.4
1980,29.1,29.8,27.7,25.4,21,16.7,15.5,19.1,22.8,23.2,28.9,29.5
1981,33,30.1,24.2,26.8,18.7,15.4,15.5,16.5,23,24.1,25.4,28
1982,32.4,29.5,26.9,23.2,19.6,15.7,15.2,21.9,19.4,23.4,30.1,29.2
1983,29.8,32.2,25.6,20.6,19.3,17.3,14.5,18.3,21.3,23.7,26.8,29.7
1984,28.8,30.4,26.6,23.2,20.5,17.4,14.8,16.5,16.7,23.8,26.1,28
1985,30.8,29.8,29.1,24.2,20.1,17.6,16.8,16.8,19,22.5,25.7,26.8
1986,29.3,29.7,30.3,23.6,19.7,16.9,14.9,16.6,19.1,21.8,26.7,27.2
1987,28.8,29.4,26.1,24.5,18.8,17.2,16,16.5,20.2,23.1,26.8,28.2
1988,31.6,27.4,28.4,23.4,20.6,17.8,16.5,17.8,22.1,25.7,25.4,27.8
1989,30.4,31,27.5,23.4,18.9,14.6,14.7,15.7,20,23,26.7,30.2
1990,30.3,27.4,29.2,24.3,20.8,16.8,15.5,16.1,21,24.7,28.8,27.6
1991,31.8,32.6,27,24.8,20.4,18.1,16.3,17.1,21.1,25.7,26.8,27.1
1992,27.4,30,28.1,24,18.8,16.8,17.6,16.9,17.1,21.7,23.4,25.9
1993,30.2,28.8,27.3,26.6,21,16.5,16.7,19.6,20.8,22.5,28,26.9
1994,28.9,29.4,29.2,25.4,21.3,17.5,18.4,17.9,20.3,24.5,25.6,31.3
1995,30,31.1,25.5,22.2,18.8,16.8,15.1,19.6,20.5,24.8,25.9,27.8
1996,29.5,31.4,29.2,22.4,21,17.9,16.8,17,19.9,24.5,25.5,28.5
1997,31.4,33.6,25.3,25.6,18.6,17,14.6,16.7,18.9,22.9,28.1,28.4
1998,30,30.4,28.2,22,20.9,16.7,14.2,18.2,21.7,23.4,26.6,29.2
1999,32.3,30.5,26.3,22.8,21,17.6,17.6,19,22.6,23.6,24.1,27.7
2000,29.7,32.9,27.3,24.4,18.8,16.8,16.7,17,21,22.6,28.4,30.5
2001,35.4,31.1,27,24.6,19.7,17.5,16.6,17.9,21.1,20.4,24.7,24.5
2002,29.4,27.5,27.8,25.6,21.6,17.2,17.5,18,20.5,23.6,28.6,29.8
2003,32.2,29,26.2,24.6,20.5,16.8,17.2,16.5,19.7,20.7,28.8,31
2004,27.9,33.4,28.5,25.6,20,17.8,15.7,18,20.1,26.6,27.2,27.8
2005,30.8,29.1,28.5,27.9,21.7,18.2,16.4,18.9,19.7,23.3,27.1,28.7
2006,31.5,27.8,28.6,22.2,18.3,16.7,15.1,20.8,22.7,25.5,27.5,28
2007,30,31.5,26.4,24.8,20,14.8,16.9,20.2,22.4,24.6,28.4,28.7
2008,31.4,27.3,31.4,24.2,20.1,18,16,16.1,22.1,26,25.2,26.1
2009,31.5,31.3,26.6,23.7,18.7,16.3,16,19,20.3,23.6,30.3,29.2
