6.6558% 1976 2.245527 0.445330 6.4073% 1975 8.720686 0.114670 9.8159% 1974 4.153857 0.240740 9.0909% 1973 7.388400 0.135347 6.4509% 1972 0.369049 2.709666 4.7305% 1971 0.352380 2.837846 5.7132% 1970 5.915457 0.169049 5.5272% 1969 5.102856 0.195969 5.5714% 1968 0.153605
manured