1901,7.9,9,11.4,14.2,17.4,17.9,17.7,17.3,16.1,14.2,10.9,8.8
1902,8.6,8.8,12.1,13.4,17.5,16.8,17.3,16.8,15.8,13.5,10.8,8.4
1903,7.2,8.6,11.3,14.3,16.6,17.4,17.6,16.5,16.1,14.8,11,8.6
1904,7.5,9.3,11,13.4,16.5,17.6,17.2,16.8,16,14.4,10.4,7.9
1905,7.8,9.4,9.3,12.1,16.9,18.4,17.5,15.7,16.3,14.1,11.1,8.6
1906,7.7,7.8,10.4,12.9,16.8,17.5,17.8,15.6,16.6,14.2,10.7,8.9
1907,8.7,8.2,9.9,13,16.9,16.9,16.3,17.4,15.3,14.6,11.3,9.1
1908,8.1,9,11.6,14.5,17,18,17,17.3,15.8,14,10.7,8.7
1909,7.2,9.2,12.1,14,16.2,16.8,17.3,16.7,17.2,15,12.5,9.1
1910,7.7,8.8,10.8,13.5,17.2,16.8,16.6,16.8,16.1,14.1,11.2,8.4
1911,8.4,8.3,10.7,14.1,16.4,17.2,16.8,16.6,16.3,13.9,10.8,8
1912,7.8,9.5,10.4,13.2,17.4,17.8,16.7,16.4,15.6,13.7,10.6,8.4
1913,8,9.1,10.2,12.6,15.6,17.3,16.9,17.1,15.9,14.5,10.2,7.9
1914,8.8,9.2,11.7,13.1,16.7,18.2,18.2,15.9,15.5,13.3,10.8,9.3
1915,8.7,9.5,11.6,14,16.8,16.8,16.4,16.1,15.4,16,12.4,10.1
1916,6.9,9.4,12,13.6,18.3,18.8,17.8,18,16.9,13.3,11.7,8.2
1917,6.9,8.1,10.9,12.6,17.7,17.7,18.5,17.5,15.9,14.1,12,8.2
1918,7.3,8.6,10.6,12.5,15.8,17,18,16.5,16.8,13.9,10.7,9.3
1919,8.4,9.3,12.8,14.8,18.8,18.7,17.5,18.4,15.8,14.1,11.1,8.4
1920,8.3,7.7,10.6,13.7,16.8,18.1,18.8,17.6,16.4,14.2,12.4,9.4
1921,10.4,9.3,11.7,16.3,17.3,18.6,17.8,17.8,16.6,14.1,11,10.4
1922,10.7,11.7,12.7,14.3,18.3,17.9,17.5,17,16.5,14.6,10.4,8.7
1923,10.6,8.8,12.9,14,16.3,16.9,18,17,17.1,14.3,12.4,10.7
1924,9.6,9.6,13.6,14.2,17.7,17.2,17,16.8,17.1,13.9,11,9.9
1925,7.3,7.8,12.1,13.3,16.2,18.4,18,16.2,15.8,13.6,11.8,8.7
1926,9.8,10.2,10.6,13.6,18.3,17.5,17.9,19,17.1,16.6,10.7,8.4
1927,9,6.8,10.9,13.5,17,19.4,19.7,17.1,18.1,16.4,11.2,10.9
1928,8.4,12.1,14.4,16.4,17.5,16.4,19.6,16.8,16.3,14.1,11.5,8.5
1929,6.8,8.3,12,13.4,16.5,18.7,18.4,18.3,16.3,12.9,9.9,9.5
1930,6.7,9.2,8.6,14.3,17.1,17.9,19.3,17.8,16.8,12.5,10.3,10.3
1931,9.5,8.4,11.4,15.9,17.7,18,17.6,18.4,14.8,14.7,10.3,9.4
1932,8,6.6,11.5,12.7,18.1,19.4,18.5,17.9,14.8,14.4,10.8,9.2
1933,9.1,11.2,13.3,14.1,17.8,18.4,18.4,19.6,18,15.2,11.3,9.1
1934,6.7,7.9,11.3,14,18.7,19.7,19.3,18.9,17.2,14.3,8.7,9.8
1935,7.5,7.8,12.6,14.3,18.9,19,19.6,18.2,18,16,11.4,7.5
1936,6.4,8.4,10.3,14.9,16.8,19.3,18.2,16,17.3,14.2,12,8.7
1937,8.4,10.1,13.3,16.1,18.2,18.2,18.5,17.4,16.4,14.5,10.6,8.8
1938,7.4,9,10.6,15.7,17.6,17.1,17.8,17.4,15.8,14.3,12.4,9.6
1939,8.6,9.2,13,12.3,17.1,17.1,17.5,17.9,15.3,15.6,14.6,9.7
1940,9.7,11.3,9.6,12.6,16.7,17.9,18.8,17.9,18.1,16.8,11.8,11.1
1941,10.4,11,11.9,14,16.6,17.9,19.3,17.9,16.1,15.6,12.2,11.2
1942,9.7,11.6,11.6,15.4,17.5,18,20.4,18.6,17.9,17.1,13,10
1943,8.7,8.6,11.4,15.4,18.7,18.2,18.8,18.5,17.6,14.9,13.7,9.6
1944,9,9.5,11.8,14.3,15.6,18.3,18.3,18.2,16,14.9,12.4,9.5
1945,11.6,6.1,13.2,17.3,14.3,19.6,18.5,16.6,17.6,12.9,13.8,9.8
1946,10.9,10.6,12.9,15.6,18.5,20.3,18.7,20.3,19.3,15.4,14.2,10.7
1947,11.9,10,11.4,11.1,17.9,17.2,18.1,18.4,18.8,12.8,12.8,10.9
1948,9.6,8.6,11.7,15.4,14.6,17.9,17.1,18.1,18.5,14.7,8.9,11.5
1949,7.5,9.6,12.6,13,16.2,17.5,17.2,16.6,18.6,14.3,11.6,10.5
1950,9.3,8.3,12.6,15,18.7,17.5,18,17.5,15.6,14.7,12.5,8.2
1951,9.6,11.6,12.2,14.5,19,17.5,17.2,18.9,16.7,16.1,11.8,10
1952,8.8,11.6,13.7,15.4,19.3,18.9,19.1,16.2,16.4,13.3,13.9,9.1
1953,9.5,9.4,13.5,15.7,17.3,18.8,18.1,20.6,16,16,12.3,11.1
1954,9,11.2,11.6,15.8,19.1,18.3,16.7,16.8,16.1,12.7,13,9.5
1955,6.7,10.5,12.1,14.6,17.3,16.4,16.2,17.2,18,13.4,9.5,8.1
1956,5.6,10.1,12,15.7,15,18.5,18.4,16.6,16.3,13,8.9,9.4
1957,9.6,5.9,11.6,14.4,16.8,17,17.1,17.2,15.1,12,11.8,9.4
1958,7.5,5.3,13.6,16.7,18.7,19,18.2,15.4,17.8,13.2,12.4,9.3
1959,6.2,6.1,11,14.6,15.8,17.6,18.2,18.2,15.7,12.7,12.1,10.3
1960,8.8,9,13.2,14.6,18,17,17.8,18,16.5,13.5,11.5,8.8
1961,8.9,7,9.7,14.6,15.3,19.1,18.3,17.5,17.6,16.8,10,8.6
1962,5.9,9.3,10.2,15.2,17,16.7,18.8,15.5,16.9,15.2,11.4,8.9
1963,5.7,7.4,11.3,15.7,20.2,17.6,17.7,17.2,18.7,12.1,10.2,8.9
1964,7,9,11.8,15.4,17.7,16.9,18.1,17.1,16.5,15.4,10.9,8.2
1965,7.9,9.3,10.7,14.6,16,15.6,17.4,16,14,13.4,9.6,9.3
1966,9.5,10.4,13.4,15.6,17.1,15.8,18,16.1,14.9,14.2,11.2,9.8
1967,8,7.7,10.1,13.2,18,17.7,18.4,18.6,16.1,13.4,11.1,7.5
1968,7.8,4.5,11.2,12.2,16.1,16.4,16.2,16.5,16.1,15,12.3,11.3
1969,8.2,10.2,13.4,15.8,20.9,17.8,17.5,16.5,16.7,14.2,10.1,8.1
1970,7.9,9.7,11.3,13.9,16.9,18.1,17.1,17.5,17.3,13.4,9.7,9.4
1971,5.7,8,13.6,15.8,15.9,18.4,17.7,16.8,17.1,12.5,10.6,8.5
1972,8.8,9.2,12.7,11.7,17.1,19,17.8,19.4,15.4,15.8,11,9.1
1973,8.5,10.9,13.9,15.6,18.1,17.5,17.8,17.2,16.6,13.4,9.6,7.6
1974,8.7,8.8,9.3,12.1,16.2,16.2,15.9,15.6,16.7,14.5,13.6,10.6
1975,9,9.9,13.1,14.7,17.7,18.8,17.5,18.4,18,15.2,10,7.1
1976,7.6,10,11.3,15.1,16.3,17.2,17.6,18.2,16.2,14.9,8.4,9.4
1977,7.5,5.6,11.2,12.9,18.4,18.9,18.1,16.6,16,12.8,9.9,8.7
1978,5.9,8.9,12.6,14.8,15.2,16.9,17.7,18.7,15.4,14.4,9.4,10.1
1979,8.7,9.7,11.4,16.5,18.7,18.2,18.6,17.9,15.3,12.3,9.9,8
1980,7.1,9.1,13.2,14,17.1,17.9,18.2,15.9,15.5,13,12.7,7.6
1981,9,11.1,11.1,14.5,15.5,17.9,18.4,18.7,17.2,16.8,12.5,8.7
1982,9.4,8,13.4,10.9,19.1,16.4,17.8,18.8,15.9,15,10.8,5.5
1983,5.2,6.1,7.8,13.3,19.1,19.7,19.2,16.7,17.8,16.6,10.6,7.8
1984,6.9,11.8,12,15.5,15.4,18.7,17.3,17.7,16.5,13.4,12.2,8.8
1985,7.6,8.3,9,12.6,17.8,16.1,16.2,18.5,14.9,14.4,10.3,9.1
1986,8.4,8.9,10.7,13.8,18.4,21.2,17,16.9,14.5,12.6,11.3,10.5
1987,9.4,10.8,12.7,13.8,20.1,19.6,16.3,16,13.9,15.3,13.1,8.6
1988,9.6,11.5,11.7,13,18.3,20.1,18.4,16.7,14.8,13.8,10.2,10.6
1989,7,8.2,11.6,13.6,16.8,18.7,17.1,17.5,16.7,12.4,10.6,7.6
1990,8.3,8.8,8.8,13.3,14.6,16.6,17.4,18.3,15.1,13.1,13,9.5
1991,8.1,10,13.8,15,17.2,18.4,16.9,16,15.1,13.6,10.4,8.8
1992,5.6,4.6,10,13.3,16.6,19.4,16.4,17.3,17.9,12.7,9.7,8.1
1993,6,8.7,12,15.3,18,19.2,18.1,15.2,15.4,12.5,11.9,9.3
1994,10.4,10.9,8.6,16,18.2,18.1,18.3,19.1,16.9,13.5,11.3,9.1
1995,8.5,7,11.2,15.4,17.6,18.3,16.9,17.3,15.6,15.6,9.8,8.3
1996,6.5,8.1,10.8,14,15.9,18.4,16.4,18.1,15.9,15.3,12.2,9.3
1997,7.1,5.3,11.2,12.7,17.1,17,17.1,18.5,14.7,14.8,12.4,9.1
1998,8.8,9.2,11.5,14.4,19.8,18.1,17,15.6,16.9,14.8,11,9.4
1999,9.2,12.1,13.3,16.6,14.5,18.4,17.1,16.6,17.4,14.8,11.8,9.2
2000,7.3,7.9,10,12,16.3,17.9,17.9,15.8,15.9,15.2,11.3,9.5
2001,8.5,9.1,11.8,15.2,14,17,19.2,16.4,15.9,14.8,10.4,10.5
2002,6.8,11.5,11.2,15.5,15.9,19.3,16.9,16.5,16.3,15.2,11.5,9.9
2003,7.8,10.5,12.6,16.5,17.5,16.6,17.8,18.1,16.5,13.9,12,9.4
2004,8.3,9.1,12.2,12.4,15.9,16.5,16.6,17.3,15.6,13.3,10.2,9
2005,9.2,11.2,10.5,15.1,20.2,20.2,19.2,17,18.8,15.6,12.1,9.4
2006,9.3,11.3,13.5,15.7,18.2,18.9,20,20,17.6,15.2,12.6,9.9
2007,7.5,10.3,14.2,12.8,18,19.3,18.3,18.7,16.5,14.6,11.4,10.6
2008,10.2,4.9,10.9,12.4,17,18.8,18.7,16.7,18.2,15.7,11.8,9.4
2009,7.5,13.4,13.4,14.3,18.7,19,18.5,17.9,19.6,16.4,11.5,10.3
