NEWS: @PressSec tells pool that Trump intends to pay for wall by imposing a 20 percent tax on all imports from Mexico.

— Zeke Miller (@ZekeJMiller) January 26, 2017

The top five sources of U.S. crude oil imports for October [2016] were Canada (3.2 million b/d), Saudi Arabia (1.0 million b/d), Venezuela (724,000 b/d), Mexico (555,000 b/d), and Iraq (508,000 b/d).
https://www.eia.gov/peTroleum/imporTs/companylevel/