Commodity20072008200920102011
Artificial guts (sausage casings) of hardened protein/of cellulosic mats $5,826   
Tubes, pipes & hoses, rigid, of polymers of ethylene$1,016  $2,859$389
Tubes, pipes & hoses, rigid, of polymers of propylene   $6 
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride $8,177 $238 
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$10$4,990$43$31,870$1,442
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$257$1,880 $34,184 
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...$46    
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$153$2,208$106,233$166,168$70
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$40$189$4 $17,038
Total$1,522$23,270$106,280$235,325$18,939