Could you please repeat that? can i use ivermectin pour on for dogs The Arab oil embargo in 1973 slammed the economy, and officials vowed to slash imports — especially the 5 percent of the U.S. oil supply that came from Persian Gulf countries. Forty years later, after a recent run of growing domestic oil production and dropping petroleum consumption, the share of the U.S. oil supply coming from the Persian Gulf is 12 percent.