0.193925 5.156640 6.4509% 1972 3.039216 0.329032 4.7304% 1971 1.423068 0.702707 5.7132% 1970 5.675640 0.176192 5.5272% 1969 5.237035 0.190948 5.5714% 1968 1.269365 0.787796 5.0148% 1967 2.458954 0.406677 2.5719% 1966 0.590209 1.694314 3.5485%
hookworms