Imports of Crude Oil by Region (Thousand Barrels Per Day), http://www.eia.gov/cfapps/ipdbproject/iedindex3.cfm?tid=5&pid=57&aid=3&cid=regions,ww,r1,r2,r3,r4,r5,r6,r7,&syid=2000&eyid=2010&unit=TBPD, viewed 24th February, 2014.
Citation
U.S. Importation of Crude Oil by Region, ChartsBin.com, viewed 16th March, 2025, <http://chartsbin.com/view/22088>.