7.412322 0.134910 9.8159% 1974 6.749772 0.148153 9.0909% 1973 3.367356 0.296969 6.4509% 1972 0.861117 1.161282 4.7304% 1971 3.126736 0.319822 5.7132% 1970 2.876810 0.347607 5.5272% 1969 5.527543 0.180912 5.5714% 1968 0.560182 1.785135