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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Wood screws other than coach screws, of iron/steel | $22,515 | $11,087 | $2,884 | $4,311 | $2,475 | $23 |
| Screw hooks & screw rings, of iron/steel | | | | | | $169 |
| Self-tapping screws of iron/steel | $83,448 | $87,326 | $76,616 | $51,376 | $38,373 | $55,248 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $146,744 | $203,924 | $273,662 | $336,021 | $315,474 | $319,912 |
| Nuts of iron/steel | $9,545 | $13,399 | $5,898 | $8,154 | $17,087 | $10,043 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $89,469 | $52,643 | $36,164 | $39,222 | $31,842 | $48,954 |
| Spring washers & oth. lock washers, of iron/steel | $1,295 | $684 | $235 | $2,341 | $2,014 | $31 |
| Washers (excl. of 7318.21) of iron/steel | $10,989 | $10,862 | $2,710 | $5,924 | $4,244 | $6,978 |
| Rivets of iron/steel | $11,449 | $194 | $132 | $64 | $218 | $1,808 |
| Cotters & cotter-pins, of iron/steel | $1,397 | $1,530 | $2,842 | $6,315 | $8,150 | $2,550 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $43,235 | $13,611 | $15,091 | $97,635 | $73,092 | $2,702 |
| Total | $420,086 | $395,260 | $416,234 | $551,363 | $492,969 | $448,418 |
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