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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $18,791 | $442 | | | $1,101 | $705 | $228 |
| Wood screws other than coach screws, of iron/steel | | $61 | | $101 | $995 | $2,707 | $509 |
| Screw hooks & screw rings, of iron/steel | $1,545 | $3,493 | $200 | $88 | $295 | $1,340 | $397 |
| Self-tapping screws of iron/steel | $598 | $2,042 | $1,793 | $212 | $217 | $1,495 | $579 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $38,146 | $33,153 | $55,873 | $86,761 | $175,924 | $265,418 | $135,228 |
| Nuts of iron/steel | $3,074 | $1,405 | $2,224 | $2,786 | $9,200 | $4,264 | $5,829 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $4,150 | $32,917 | $11,112 | $41,753 | $52,488 | $14,711 | $12,715 |
| Spring washers & oth. lock washers, of iron/steel | $281 | $2,844 | $438 | $1,004 | $583 | $217 | $507 |
| Washers (excl. of 7318.21) of iron/steel | $22,751 | $6,195 | $1,306 | $4,448 | $3,122 | $1,969 | $2,321 |
| Rivets of iron/steel | $420 | $689 | $95 | $1,242 | $2,544 | $275 | $3,266 |
| Cotters & cotter-pins, of iron/steel | $3,745 | $71 | $771 | $2,806 | $81 | $207 | $70 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $647 | $117,971 | $36,931 | $50,294 | $13,505 | $2,861 | $20,260 |
| Total | $94,148 | $201,283 | $110,743 | $191,495 | $260,055 | $296,169 | $181,909 |
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