Commodity20052006200720082009
Artificial guts (sausage casings) of hardened protein/of cellulosic mats$3,536$6,594 $35,621$44,027
Tubes, pipes & hoses, rigid, of polymers of ethylene$687 $59,602$4,945$41,805
Tubes, pipes & hoses, rigid, of polymers of propylene$19,592$161,252$161,297$24,394 
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride $15,984   
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$87,517$187,482$4,347,320$25,637,041$4,892,735
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$5,870,548$1,959,374$4,623,228$10,070,845$4,522,734
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$81,341$565,827$546,577$2,883,709$1,776,782
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ... $26,863$1,113$71,625$60,619
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$2,106$14,512$93,878 $19,518
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$116,573$74,501$164,941$378,469$309,796
Total$6,181,900$3,012,389$9,997,956$39,106,649$11,668,016