The site where that chart is from is extolling FDR's virtues, and bashes Bush. That should also give you a clue, as to what they are really doing.
http://www.sentryoveramerica.com/issue24_GWB_vs_FDR.htm GWB and FDR--Sad Differences
Reagan and FDR--Similarities
"The truth is, opposite to RNC rally cries, is that George Bushbased on official Office of Management and Budget datais the biggest socialist in the history of the world. "