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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Artificial guts (sausage casings) of hardened protein/of cellulosic mats | $4,514 | $921 | $26,317 | $16 | | $1,489 |
| Tubes, pipes & hoses, rigid, of polymers of ethylene | $11,008 | $18,851 | $256,624 | $59,625 | $16,647 | $28,432 |
| Tubes, pipes & hoses, rigid, of polymers of propylene | $277 | $32,729 | $3,187 | $6,089 | $40,187 | $5,477 |
| Tubes, pipes & hoses, rigid, of polymers of vinyl chloride | $61,848 | $545,005 | $138,598 | $81,814 | $83,143 | $83,843 |
| Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17 | $535,374 | $1,113,026 | $1,132,727 | $456,032 | $665,498 | $478,730 |
| Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ... | $131,905 | $88,333 | $125,459 | $218,963 | $164,392 | $49,231 |
| Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ... | $469,169 | $1,021,173 | $699,756 | $846,574 | $377,807 | $207,835 |
| Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ... | $14,144 | $15,494 | $25,200 | $10,094 | $13,448 | $33,116 |
| Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33) | $21,386 | $202,659 | $50,356 | $48,994 | $85,350 | $29,528 |
| Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ... | $546,555 | $1,146,337 | $1,311,293 | $774,895 | $611,723 | $316,774 |
| Total | $1,796,180 | $4,184,528 | $3,769,517 | $2,503,096 | $2,058,195 | $1,234,455 |
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