Commodity200520062007200820092010
Artificial guts (sausage casings) of hardened protein/of cellulosic mats    $6,960$259,214
Tubes, pipes & hoses, rigid, of polymers of ethylene$20$26,092$4,345$88,889$328,059$7,677
Tubes, pipes & hoses, rigid, of polymers of propylene $23,128$31,916$23,996$44,557$14,967
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride   $33$3,229$2,078
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17    $3,020$684
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$1,715  $835$14,909$8,606
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$2,365$36,072  $2,028$7,814
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ... $300$87,531 $1,198 
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$7,895$13,579$2,319$13,033$78,604$5,995
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$5,485$8,544$772,818$23,516$33,070$23,885
Total$17,480$107,715$898,929$150,302$515,634$330,920