Commodity200520072008
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), in ...$4,406,573$5,593,722$6,420,185
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ...$12,334,545$36,051,291$70,410,682
Total$16,741,118$41,645,013$76,830,867