Commodity200520062010
Artificial guts (sausage casings) of hardened protein/of cellulosic mats  $1,213
Tubes, pipes & hoses, rigid, of polymers of ethylene$160,763$4,238,131$481,595
Tubes, pipes & hoses, rigid, of polymers of propylene$32,167$739$3,295
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$525,047$650,433$1,279,863
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$34,071$877,590$13,589
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$6,672$11,691$18,992
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$5,400$12,326$1,435
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...$1,180$1,100 
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$65,706$69,909$87,605
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$256,144$297,772$216,938
Total$1,087,150$6,159,691$2,104,525