8.284684 0.120705 3.6576% 1983 12.517693 0.079887 3.8998% 1982 7.518848 0.132999 6.3831% 1981 12.877052 0.077658 9.6843% 1980 0.477873 2.092604 9.0330% 1979 0.512730 1.950346 8.8650% 1978 1.719034 0.581722 7.2813% 1977 0.243768 4.102266 6.6558% 1976 0.365925 2.732804 6.4073% 1975 8.851237 0.112979 9.8159% 1974 4.060158 0.246296 9.0909% 1973 5.963658
audiophiles