6.394597 0.156382 9.6843% 1980 6.443683 0.155191 9.0330% 1979 5.383740 0.185744 8.8650% 1978 4.750077 0.210523 7.2813% 1977 9.094431 0.109957 6.6558% 1976 1.947505 0.513478 6.4073% 1975 0.435131 2.298157 9.8159% 1974 1.285700 0.777787 9.0909% 1973 0.735513 1.359595 6.4509% 1972 3.185026 0.313969 4.7304% 1971 1.741171 0.574326 5.7132% 1970 0.243565 4.105674 5.5272% 1969 4.189684 0.238682 5.5714% 1968 1.163569 0.859425 5.0148% 1967 0.315464 3.169933 2.5719% 1966 2.333322
pornographic