Commodity200520062007200820092010
Artificial guts (sausage casings) of hardened protein/of cellulosic mats$8,166 $10,761$17,525  
Tubes, pipes & hoses, rigid, of polymers of ethylene$489 $3,829$32,972$2,290$39,762
Tubes, pipes & hoses, rigid, of polymers of propylene $7,570$95$26,527 $91,992
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$171,334$75,050$18,554$80,615$353,463$1,321,651
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$279,592$689,835$1,184,158$1,990,889$848,044$1,577,018
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$331$6,047$3,998$11,244$12,238$114,357
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ... $328 $13,804$12,820$24,906
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...$7,143 $9,519$28,625$14,001$100,486
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)$10,989$141,093$187,194$379,962$2,558,591$954,672
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$8,229$34,836$83,420$54,755$204,817$237,328
Total$486,273$954,759$1,501,528$2,636,918$4,006,264$4,462,172