Commodity20052006200720082009
Artificial guts (sausage casings) of hardened protein/of cellulosic mats$81,090$41,554$77,473$36,444$61,527
Tubes, pipes & hoses, rigid, of polymers of ethylene$110,545$312,840$336,923$343,033 
Tubes, pipes & hoses, rigid, of polymers of propylene$16,880$168,179$392,853$307,217$16,997
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$158,739$587,450$1,433,532$2,129,345$947,394
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$1,213$15  $900
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$4,652    
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$25,853$45,720$437,170$863,842$511,510
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...$250 $63 $200
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33) $7,385$4,735$6,054$3,197
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$463$12,817$322,668$423,215$286,854
Total$399,685$1,175,960$3,005,417$4,109,150$1,828,579