Generate graphic analysis and summary reports of local area growth and change. Compare trends focusing on total personal income. The annual total personal incomes estimates compiled by the Bureau of Economic Analysis, (BEA) are among the most comprehensive, consistent, comparable and timely measures of economic activity available statewide and at the national levels. Personal income estimates are also the best available local level indicator of general purchasing power, and are therefore central to tracking and comparing county patterns of economic growth and change.