0.151997 6.3831% 1981 6.394597 0.156382 9.6843% 1980 10.712241 0.093351 9.0330% 1979 9.247169 0.108141 8.8650% 1978 9.890671 0.101105 7.2813% 1977 1.246296 0.802378 6.6558% 1976 4.124163 0.242473 6.4073% 1975 5.294850 0.188863 9.8159% 1974 0.257388 3.885186 9.0909% 1973 3.390489 0.294943 6.4509% 1972 6.283717 0.159141 4.7304% 1971 1.768940 0.565310 5.7132% 1970 3.043553 0.328563
vaginal