Commodity2005200620072008200920102011
Artificial guts (sausage casings) of hardened protein/of cellulosic mats$9,270     $143,228
Tubes, pipes & hoses, rigid, of polymers of ethylene  $26$669$49  
Tubes, pipes & hoses, rigid, of polymers of propylene$114,520$41,431$36,018$3,854  $15,232
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$3,435$470,179$245,995$32,551$18,067$11,142$6,228
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$3,600 $678$10,128$547$260 
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$389 $9,226$2,950 $2,400$3,848
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$14,125$10,785$7,883$3,053$4,100$949 
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...  $1,886  $227 
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$9,281 $905$178 $15$350
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$59,300$89,629$82,613$51,643$19,751$6,488$83,524
Total$213,920$612,024$385,230$105,026$42,514$21,481$252,410