8.556430 0.116871 2.6144% 1985 7.596125 0.131646 2.9715% 1984 5.551425 0.180134 3.6576% 1983 4.011515 0.249282 3.8998% 1982 6.666711 0.149999 6.3831% 1981 0.430815 2.321182 9.6843% 1980 11.276660 0.088679 9.0330% 1979 10.077445 0.099232 8.8650% 1978 8.913959 0.112184 7.2813% 1977 1.602362 0.624079 6.6558% 1976 0.585885 1.706821 6.4073% 1975 6.976549 0.143337 9.8159% 1974 3.068140 0.325930 9.0909% 1973 1.972129 0.507066 6.4509% 1972 5.812344 0.172048 4.7304% 1971 3.041167 0.328821 5.7132% 1970 5.000240 0.199990 5.5272% 1969 0.737049 1.356762 5.5714% 1968 1.240123 0.806372 5.0148% 1967 2.849105 0.350987 2.5719% 1966 0.648144 1.542867 3.5485% 1965 1.414218 0.707104 2.7360% 1964 4.329067 0.230997 1.5423% 1963
deteriorate