6.265846 0.159595 6.4509% 1972 6.643068 0.150533 4.7304% 1971 0.257481 3.883787 5.7132% 1970 1.779652 0.561908 5.5272% 1969 2.726133 0.366820 5.5714% 1968 1.115379 0.896557 5.0148% 1967 5.056238 0.197776 2.5719% 1966 5.224084 0.191421 3.5485% 1965
maintained