Dataset: oilimport.dat Source: U.S. Census Bureau, Foreign Trade Division Description: Monthly U.S. Oil Imports: Barrels, total value, unit price (1973-2007) Variables/Columns Year 5-8 Month of year 15-16 Series Month 22-24 Barrels Purchased 27-34 (1000s) Total Value 36-44 ($1000s) Unit Price 47-52 ($s) CPI-U 55-60