1961 0.247620 4.038446 0.9709% 1960 4.612183 0.216817 1.6442% 1959 0.198308 5.042661 2.3579% 1958 1.183279 0.845109 2.0623% 1957 3.683547 0.271477 3.5571% 1956 0.604305 1.654795 3.3098% 1955 0.647614 1.544130 3.4226% 1954 0.334601