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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial guts (sausage casings) of hardened protein/of cellulosic mats | $542,377 | $5,737 | $9,488 | | $2,542 | | $41 |
| Tubes, pipes & hoses, rigid, of polymers of ethylene | $116,008 | $2,821 | $73,555 | $2,984 | $3,104 | | $25,186 |
| Tubes, pipes & hoses, rigid, of polymers of propylene | | $217 | $453,206 | $2,804,624 | $17,833 | $621,696 | $1,280,589 |
| Tubes, pipes & hoses, rigid, of polymers of vinyl chloride | $10 | $6,321 | | $50,328 | $37,727 | $156 | $11,505 |
| Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17 | | $21 | $1,940 | $1,012 | $169,065 | $751 | $96,862 |
| Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ... | | $8,468 | $163 | $8,674 | $22,287 | $448 | $439 |
| Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ... | $25,424 | $204,075 | $50,033 | $11,560 | $26,783 | $36,822 | $5,177 |
| Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ... | | $447 | | $266 | | $905 | $6,054 |
| Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33) | $20,095 | $77,611 | $18,009 | $41,856 | $15,007 | $30,149 | $618,683 |
| Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ... | $2,081 | $9,453 | $185,577 | $848,542 | $443,847 | $799,311 | $609,036 |
| Total | $705,995 | $315,171 | $791,971 | $3,769,846 | $738,195 | $1,490,238 | $2,653,572 |
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