average annual income in 1950
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average annual income in 1950
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what was the average annual income in 1950
average annual income in 1950, average annual income in 1960, average annual income in 1930, average annual income in 1940, average annual income in 1970, average annual income in 1956, average annual income in 1955, average annual income in 1957, average annual income in 1958, average annual income in 1920, average annual income in 1975, average annual income in 1980, what was the average annual income in 1950
