Instructions: Compare two series by selecting the appropriate variables in the menu found below the graph. Add additional data series by selecting them on the left side of the graph. All data taken from the United States Census Bureauís Current Population Survey. This data can be found at http://www.census.gov/hhes/www/income/data/historical/people. Income values are in terms of 2012 dollars. Zero values indicate no available data for that particular year. Data downloaded and compiled by Pat Maher. Graphing software written and designed by Emircan Uysaler.