Commodity20062007200920102011
Petroleum coke, not calcined    $54,399
Petroleum coke, calcined   $213,808$187,217
Petroleum bitumen$52$61,560$1,408,604$107,369 
Residues of petroleum oils/oils obt. from bituminous mins., other than petr ...$40,099  $17,682$288,653
Total$40,151$61,560$1,408,604$338,859$530,269