Commodity200520062007200820092010
Artificial guts (sausage casings) of hardened protein/of cellulosic mats $1,580 $855$33 
Tubes, pipes & hoses, rigid, of polymers of ethylene$12,371$8,029$7,034$32,003$67,319$20,747
Tubes, pipes & hoses, rigid, of polymers of propylene$52,888$44,466$43,000$12,809$25,655$9,844
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$46,924$125,903$185,284$95,368$148,105$115,108
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$94,030$50,271$283,486$241,884$152,914$187,127
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$74,390$127,049$131,361$128,313$119,601$123,037
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$624,819$373,869$571,112$472,688$364,730$338,560
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...$10,657$17,595$20,411$11,126$25,159$21,940
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$50,591$91,837$142,947$127,389$30,406$20,675
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$486,932$620,930$829,700$579,791$468,602$519,236
Total$1,453,602$1,461,529$2,214,335$1,702,226$1,402,524$1,356,274