This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Monthly Changes in Currency Component of United States Money Supply. en Monthly changes in the currency component of the money supply as reported by the Federal Reserve at the St Louis Fed's website at stlouisfed org txt The data was copy into an OpenOffice org Calc spreadsheet the monthly changes were calculated using simple formula