1946 14961.0 1947 20814.0 1948 27137.0 1949 27776.0 1950 34836.0 1951 36926.0 1952 38511.0 1953 41000.0 1954 43423.0 1955 48840.0 1956 50046.0 1957 51426.0 1958 52143.0 1959 57535.0 1960 56177.0 1961 57682.0 1962 61800.0 1963 64681.0