Commodity2005200620072008200920102011
Petroleum bitumen$176,368$230,345$145,717$6,283$1,629,985$64,655$119,534
Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... $4  $89,908$2,417$1,348
Total$176,368$230,349$145,717$6,283$1,719,893$67,072$120,882