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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $43,810 | $53,105 | $129,499 | $88,611 | $168,199 | $190,264 | $79,959 |
| Wood screws other than coach screws, of iron/steel | $608 | $17 | $110 | $102 | $469 | $4,577 | $2,261 |
| Screw hooks & screw rings, of iron/steel | | $12,772 | $109,002 | | | | |
| Self-tapping screws of iron/steel | | $113 | | | | | |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $46,690 | $217,675 | $38,742 | $92,286 | $13,017 | $77,088 | $263,973 |
| Nuts of iron/steel | $883 | $6,123 | $1,761 | $13,757 | $7,860 | $9,064 | $1,028 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $363,137 | $166,134 | $334,288 | $363,496 | $298,866 | $174,464 | $54,400 |
| Spring washers & oth. lock washers, of iron/steel | | | $1,924 | $363 | | $305 | $24,836 |
| Washers (excl. of 7318.21) of iron/steel | $9,129 | $2,821 | $3,530 | $4,092 | $2,026 | $4,699 | $185 |
| Rivets of iron/steel | $18,316 | $8,377 | $19,951 | $10,005 | $15,890 | $5,092 | $10,542 |
| Cotters & cotter-pins, of iron/steel | $3,433 | $430 | | $430 | $4,556 | $10,891 | $1,422 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $3,829 | | | $3,940 | $1,177 | $4,187 | $41 |
| Total | $489,835 | $467,567 | $638,807 | $577,082 | $512,060 | $480,631 | $438,647 |
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