4.206683 0.237717 6.4073% 1975 1.830237 0.546377 9.8159% 1974 7.199590 0.138897 9.0909% 1973 2.071097 0.482836 6.4509% 1972 7.749874 0.129034 4.7304% 1971 5.999898 0.166670 5.7132% 1970 1.000000 1.000000 1.5421% 1953 0.240486 4.158242 1.5703% 1952 1.711453 0.584299 1.5948% 1951 0.984302 1.015948 5.0183% 1950
immobilize