6.4509% 1972 6.549228 0.152690 4.7304% 1971 0.390157 2.563068 5.7132% 1970 0.581722 1.719034 5.5272% 1969 2.051522 0.487443 5.5714% 1968 1.478434 0.676391 5.0148% 1967 0.664813 1.504182 2.5719% 1966 4.666370 0.214299 3.5485% 1965 0.304780