1960 0.209631 4.770281 1.6442% 1959 0.123863 8.073461 2.3579% 1958 3.959783 0.252539 2.0623% 1957 2.221323 0.450182 3.5571% 1956 0.119071 8.398340 3.3098% 1955 0.404162 2.474256 3.4226% 1954