7.693979 2.2421% 1961 0.331916 3.012810 0.9709% 1960 2.176053 0.459548 1.6442% 1959 4.164529 0.240123 2.3579% 1958 1.183279 0.845109 2.0623% 1957 2.530498 0.395179 3.5571% 1956 1.924726 0.519554 3.3098% 1955 0.721484 1.386033 3.4226% 1954 0.146650 6.818947 1.5421% 1953 3.500009 0.285714 1.5703% 1952 0.194597 5.138822 1.5948%
detection