0.176192 5.5272% 1969 3.061595 0.326627 5.5714% 1968 1.502013 0.665773 5.0148% 1967 1.624423 0.615603 2.5719% 1966 1.035485 0.965731 3.5485% 1965 4.630293 0.215969 2.7360% 1964 4.012231 0.249238 1.5423% 1963 0.654555 1.527755 1.5697% 1962 0.473994 2.109732 2.2421% 1961 1.072175 0.932683 0.9709% 1960 2.116501 0.472478 1.6442% 1959 4.164529 0.240123 2.3579% 1958 0.275765 3.626276 2.0623% 1957 2.238461 0.446735 3.5571% 1956 1.175728 0.850537 3.3098% 1955 0.431062 2.319850 3.4226% 1954
methodological