Commodity2005200620082009
Petroleum coke, not calcined $6,194 $1,459
Petroleum coke, calcined   $149,661
Petroleum bitumen$8,172 $59,167 
Residues of petroleum oils/oils obt. from bituminous mins., other than petr ...$7,244  $204,438
Total$15,416$6,194$59,167$355,558