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:
Gdpenergyefficiency. Peter Corless Sep Analysis of top largest national economies GDP by plotting GDP per capita vs 'energy efficiency' GDP per million Btus consumed an inverse examination of 'energy intensity ' GDP GDP Btu Transferred from org en transferred to Commons by User Jalo using de php CommonsHelper Original