3.296725 4.7304% 1971 5.999898 0.166670 5.7132% 1970 5.249882 0.190480 5.5272% 1969 5.527543 0.180912 5.5714% 1968 1.115379 0.896557 5.0148% 1967 0.135235 7.394554 2.5719% 1966 1.372535 0.728579 3.5485% 1965 4.072197 0.245568 2.7360% 1964
chronically