Between 1985 and 1998, the rate of net importation of crude oil and products more than doubled from 4.3 million barrels per day to 9.5 million barrels per day.
As of 2007, the amount of oil imported from OPEC was 5.394 million barrels per day , representing 53.8% of all crude oil imports. (SOURCE)the US Department of Energy's Energy Information...