Commodity2005200620072008200920102011
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), in ...$1,902,309$3,607,751$5,020,013$7,554,992$5,262,298$6,029,836$8,600,873
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ...$1,821,867$2,721,513$3,912,914$4,998,127$4,438,869$6,287,695$8,319,826
Total$3,724,176$6,329,264$8,932,927$12,553,119$9,701,167$12,317,531$16,920,699