1901,7.3,8.8,9.5,8.6,12.2,15.2,16.4,15.7,15.5,14.1,10.4,7.9
1902,6.3,9.8,7.6,9.6,12.3,15.2,17.3,16.8,15.6,13.2,9.3,8.3
1903,7.2,6.1,7.9,8.9,12.9,16.5,16.6,16.8,16.1,14.1,10.3,8.3
1904,7.1,7.1,7.8,10.7,13.9,15.4,16.9,16.5,16.2,13.9,11.4,8.1
1905,8.9,9.4,10.7,11.1,12.5,14.9,18.1,17.4,15.7,13.3,8.9,7.3
1906,8.1,10.1,8.6,10.9,12.4,15.5,18.5,16.7,16.8,14.4,9.8,8.6
1907,6.5,10.4,7.2,11.1,12.9,14.9,17.5,16.6,15.3,13.8,10.3,8.9
1908,7.9,7.3,8.7,10.9,11.3,14.5,17.9,15.9,15.8,12.6,9.3,6.5
1909,8.4,7.7,7.9,10.6,12.2,16.2,18.2,16.9,15.5,13.4,10,6.6
1910,5.3,6.9,9.9,11.2,14.5,15.4,17.5,16.4,15.1,13.5,9.6,8.8
1911,7,6.1,8.5,8.4,11.4,13.8,16.7,16.4,15.1,12.9,9,6.6
1912,8.8,9.2,7.4,9,13.7,15.7,16.3,17,16,11.2,9.6,7.3
1913,5.5,7.3,7.5,9.9,13.3,15.5,18.4,18.4,17,13.8,9.6,7.6
1914,8.9,9.3,10.2,11.3,12.8,14.4,16.4,16.2,15.4,13.3,9.8,6.2
1915,7.9,8.1,10.2,11.2,12.5,15.2,17.9,18.2,15.3,13.1,9.1,7.9
1916,5.1,9.7,9.1,11,11.9,14.5,18.1,17.1,16.2,11.4,7.6,5.5
1917,5,6.9,6.6,9.7,11.4,15,17.4,16.2,16.8,13.1,10.5,9.6
1918,8.3,7.5,8.5,10.1,11.6,15.5,16.9,16.9,15.6,13.8,9,6.7
1919,7.5,7.3,7.7,8.9,12.8,14.7,16.1,16.6,15.9,11.8,8.4,7.1
1920,7.9,7.4,7.4,9,11.6,15.3,17.1,16.9,16.2,12.7,9.4,8
1921,6.9,8.3,9.2,8.9,11.2,16.7,16.6,16.3,15.7,13.6,10.3,7.7
1922,5.3,6.6,7.5,8.4,12.5,15.4,16.7,17.1,16.6,12.9,8,7.7
1923,6.9,7.4,8.8,10.3,12.6,14.3,17.8,18.3,16.6,13.5,11.4,6.8
1924,6.6,9.8,7.7,11.1,14.1,16,17.2,17.6,16.2,12.2,10.2,6.6
1925,8,9.6,8.7,11.1,13.5,16.3,17.8,16.9,15.3,13.3,9.5,9.2
1926,8,9.9,11.5,13.5,14.3,17.7,18.7,17.7,15,14.3,12.2,7.1
1927,8.1,8.4,8.3,10,12.3,16.2,18.1,17.2,15.4,13.5,11.2,6.4
1928,8.2,8.9,10.7,10.2,14.2,15.7,18.3,17.2,15.9,12.9,9.7,6.9
1929,6.1,6.5,8.6,8.7,13,15.6,17.6,18,15.9,14,9.1,10
1930,6.2,9.8,10.4,11.4,11.6,15.6,17.6,18.1,15.9,13.4,10.5,7.3
1931,8.5,9.5,10.7,11.8,15.5,16.2,19.6,17.7,15.6,13.5,8.6,7
1932,6,7.5,10.6,9.8,13.4,16.8,17.9,18.1,17.8,13.8,11.6,5.9
1933,5.6,6.6,9.1,10.2,11.4,15.5,18.5,18.1,15.7,15.2,10.7,8.8
1934,9.6,10.2,12.1,13,14.9,16.8,17.9,18.3,16.2,13.9,11.7,9.7
1935,8.5,10.8,7.7,11.4,13.4,16.1,17.4,17.2,16.1,12.9,8.6,9.6
1936,9.4,10.2,9,10.9,14.4,16.2,16.5,16.3,16.8,14.2,9.1,8.6
1937,4.5,7.8,9.6,9.6,13.3,17.3,17.9,16.5,16.4,14.5,11.1,10.7
1938,9.6,10,8.9,10.6,12.9,15,17.7,16.8,16.5,14.1,8.8,9.6
1939,7.6,7.7,8.9,10.8,14.1,15.1,17.6,18,16.8,13.7,9.5,10.4
1940,9.2,11.2,10.9,12.4,14.9,17.2,19.1,18.6,18.7,15.5,10.7,9.5
1941,9.3,11.1,11.7,11.3,15.4,17.2,19,19.2,16.9,13.8,12.5,8.3
1942,8.8,7.8,8.7,11.2,12.9,16.2,19.7,18,16.2,13.6,10.3,8.3
1943,7.6,9.7,10.3,11.3,13.2,15.7,18.5,18.3,17.9,14.2,11.2,8.6
1944,8,7.2,8.8,10.1,13.1,15.8,17.8,17.9,15.5,14.7,10.9,9.8
1945,7.7,8.8,7.8,9.2,13.6,16.8,18.5,17.2,16.9,14.5,10.5,8.5
1946,7.1,7.2,8.1,10,13,16.6,18.8,17.9,16.8,11.8,7.6,7.2
1947,6.2,9.2,10.2,11.9,13.9,17,20,19.3,16.9,15.3,9.6,7.5
1948,7.5,6.6,7.4,9.1,12.7,16.9,18.2,18.3,16.1,14.7,9.2,5.3
1949,4.2,6.7,9.5,10.9,14.5,16.6,17.7,18.6,17.2,12.5,12.6,6.5
1950,5,7.9,8.6,10,11.8,15.8,17.7,17.8,16.5,15.1,12.3,10.1
1951,7,8.3,8.2,10.3,13.7,15.5,17.9,17.8,16.5,14.1,10.6,7
1952,5.8,7.8,7.3,10.1,13.2,15.5,18.3,17.3,16.7,14.3,9.5,7.7
1953,8.8,7.9,8.9,9.9,13.1,15.8,17.3,19,17.8,14.4,11.5,8.5
1954,7.2,8.5,8.9,11.4,12.9,15.5,18.4,17.8,17,14.4,11.3,7.6
1955,5.8,6.6,8.3,9,12.7,15.9,17.5,16.3,15.3,13.4,9.3,8.6
1956,8,6.6,8.6,10.1,13.7,16.2,17.9,18,16.7,13.5,9.3,6.8
1957,5.5,8.6,9.6,11.1,14.6,17.2,18.5,18.1,18,15.3,10.7,8.4
1958,8.8,10.9,8.9,11.2,15.1,17,19,18.8,18.1,13.8,10.6,10.1
1959,8.6,7.8,9.6,11.3,13.6,16.8,18.9,18.3,17.6,14.8,10.3,7.9
1960,7.3,8.3,10.2,10.9,13.6,17.4,18.5,18.5,15.6,14.3,9.8,7.9
1961,8.7,9.3,9.5,10.9,13.7,17.7,18.7,19.4,17,13.5,9.7,6.8
1962,6.6,8.3,8.9,11.4,13.4,15.6,17.6,18.6,16.8,14.3,10.7,8.3
1963,6.6,11.8,9.3,10.5,14.5,16.1,18.5,17.9,18.4,15.4,10.8,8.4
1964,6.9,7.9,7.5,9.3,12,16.1,18.3,18.5,16,14.6,9.8,8.1
1965,7.2,7.2,9.8,10.9,12,15.1,17.6,19,15.7,15.4,11.6,7.2
1966,7.2,7.2,9,11.3,13.1,16.2,18,17.5,17.3,13.9,11.2,8.4
1967,7.1,8.3,8.2,8.3,13.1,15.5,17.9,17.6,18,15.2,12.2,6.1
1968,6.7,10.6,10.3,9.8,13,16.2,18.1,19.4,17.1,13.5,10.2,6
1969,5.9,6.9,8.5,9.9,13.9,17,17.7,17.2,16.5,13.7,10.6,9.4
1970,9.1,10.1,9.8,9,13,16.1,17.5,17,16.2,12.9,11.4,7.2
1971,6.6,7.3,8.3,9.3,12.8,15.5,17.7,19.2,17.1,12,9.1,6.1
1972,6.7,8.9,10.4,10.3,12.7,16,19.2,18.3,16.5,14.8,10,6.2
1973,7,10,8.3,10.9,13.3,16.4,17.9,16.8,17.3,13.1,10.2,8.9
1974,7.1,7.3,9.3,10.3,12.7,16,18.9,18.2,17.2,13.6,9.7,7.8
1975,6.4,7.8,8.4,8.2,12.7,15.6,18,17.1,16.1,13.2,8.3,7.2
1976,6.7,7.9,7.7,9.3,13.2,15.5,18.7,18.4,16.9,14,12,7.9
1977,7.4,9.9,8,10.6,12.6,16.3,17.6,18.9,16.9,13.3,9.9,9.4
1978,9.6,9.5,11.6,10.6,13.7,16.4,17.9,17.8,16.9,13.9,8.3,5.4
1979,7.1,8.1,9.2,10.7,13.8,15.4,18.9,18.4,18.9,15.1,10.3,8.9
1980,8.1,10.8,8.8,10.9,12.7,15.4,18.1,16.9,16.1,13.5,10,8.9
1981,9.9,9.9,9.3,10.5,13.6,16.6,17.8,17.8,16.4,13.1,11.5,9.5
1982,5.8,8.5,8.4,9.8,12.7,15.5,17.9,18,16.4,14.2,9.8,8.1
1983,8.8,9.9,9.7,9.3,13.5,17,19.2,19.7,18.5,15.5,10.8,9.2
1984,8.6,8.6,10.5,9.8,14.1,15.3,19,18.3,17.5,13.3,9.9,6.3
1985,8.3,9.4,8.2,11.3,13.2,16.6,19.3,18.2,16.9,14.2,7.4,8.8
1986,11.5,11.5,11.3,10.6,13.6,17.4,17.9,18.4,16.2,14.3,11,10.1
1987,8.8,10.5,10,12.1,14.8,16.4,18.4,18.5,17,15.8,11.2,9.2
1988,8.1,9.8,10.3,11.4,13.4,16.1,19.6,18.3,16.9,14.1,9.6,7.6
1989,6.5,6.9,9.6,12.1,13.8,16.5,17.9,18,15.7,13.1,9.4,7.8
1990,7.3,7.1,9,11.5,13.6,16.8,19.5,19.3,18.3,13.3,8,4.4
1991,7.1,10.6,8.1,10.3,12.5,15.7,19.3,19.8,17.4,15,9.3,8
1992,8.1,11.6,11.2,12.8,16,18.1,20.3,19.1,17.8,16.1,9,7.2
1993,6.8,9.5,11.4,11.5,14.2,16.6,19,19.7,16.6,15.3,8.9,7.9
1994,9.1,9.3,11.2,11.8,14.7,16.7,19.6,19.9,18.4,14.3,7,7.2
1995,10.5,11.1,9.3,10.3,13.2,16.5,19.7,18.2,18.2,14.4,10.9,10.3
1996,9.1,11.2,9.7,11.3,13.2,15,18.3,17.9,15.6,13.7,9.9,9.6
1997,8.2,8.6,9.7,10.6,16.3,17.2,19.5,20.1,19.6,14.3,11.3,7.9
1998,9.8,9.1,9.7,10.5,13.7,16.6,18.2,18.5,17,13.9,10,5.9
1999,7.4,7.6,7.8,9.5,12.3,15.6,18.1,19,16,13.3,11.5,7.6
2000,8.3,10,9,11.8,14.5,16.5,18.3,17.7,18,13.6,8.5,8.2
2001,7.2,8,8.9,8.5,13.4,15.3,17.3,17.6,15.2,13.1,10.1,7.8
2002,6.4,8.3,7.8,10.1,12,15.5,18.2,17,15.8,13.8,10.2,8.5
2003,10,7.5,9.8,9.5,12.8,15.8,17.9,18.8,17.1,14.4,8.6,8
2004,7.9,8.4,10.2,11.3,14.4,16.5,18.9,19.1,17,13.3,8.6,7.7
2005,6.9,9.2,10.1,10.1,14.7,16.1,18.6,17.2,15,12.9,9.3,8.5
2006,8.1,8,7.3,10,13,16.6,18.6,16.9,15.1,12.7,9.7,7.4
2007,4.8,7.8,9.2,9.4,12.4,15.2,19.2,18,16,12.8,9.1,6.1
2008,5.9,6.8,7.4,8.6,13,15.5,18.2,18.6,15.4,13.4,10.6,5.8
2009,7.1,7.7,7.8,9.3,13,16.1,17.3,18,18.6,12.2,10.3,7.1
