Commodity2005200620072008200920102011
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), in ...$93,648$556,977$7,459,220$15,204,280$39,371,973$51,441,336$42,864,673
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ... $18,255$2,555,264$61,960,302$12,687,969$106,176$173,362
Total$93,648$575,232$10,014,484$77,164,582$52,059,942$51,547,512$43,038,035