6.4509% 1972 0.861117 1.161282 4.7304% 1971 2.288598 0.436949 5.7132% 1970 0.665616 1.502367 5.5272% 1969 2.051522 0.487443 5.5714% 1968 2.142028 0.466847 5.0148% 1967 1.091175 0.916443 2.5719% 1966 0.137118 7.293014 3.5485% 1965 0.849242