1957 4.279406 0.233677 3.5571% 1956 3.849452 0.259777 3.3098% 1955 3.830932 0.261033 3.4226% 1954 2.348278 0.425844 1.5421% 1953 3.158607 0.316595 1.5703% 1952 1.917304 0.521566 1.5948% 1951 0.098333 10.169560 5.0183% 1950 0.538297 1.857711 1.7034%
ewer