U.S Energy Information Administration Line Graph - "Monthly U.S. field production of crude oil (Jan 1920 - Apr 2019). The x-axis represents years, 1975-2015 in 5 year increments, while the y-axis represents total million barrels of imports and exports. The graph shows fluctuations in production over the years, with peaks in 1978 and 2005, and significant valleys in 1985 and 2019.