The two charts under analysis show information about the origin of crude oil imports to the US in 2012 and the percentage of imports as a share of total US crude oil consumption from 2005 to 2012.
Overall, the US had become the leading source of its own crude oil by 2012, and reliance on imported oil steadily declined from 2005 to 2012.
According to the pie chart, the US itself was the largest source of crude oil in 2012, accounting for 39% of total imports. Canada followed as the second major supplier, contributing 24%. The Middle East provided 17%, while Africa and Latin America accounted for 8% and 9% respectively. Other regions made up the remaining 3% of imports.
In 2005, imports made up about 65% of crude oil consumption. This figure gradually declined each year, reaching around 40% by 2012.