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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $9,841 | $12,936 | $35,770 | $107,905 | $27,667 | $31,946 | $34,259 |
| Wood screws other than coach screws, of iron/steel | $243,708 | $416,060 | $506,561 | $465,791 | $212,132 | $552,216 | $103,468 |
| Screw hooks & screw rings, of iron/steel | $18,546 | $19,592 | $25,038 | $29,227 | $24,676 | $15,684 | $39,301 |
| Self-tapping screws of iron/steel | $347,677 | $389,495 | $412,029 | $546,487 | $435,229 | $425,538 | $553,687 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,124,916 | $1,196,368 | $1,253,672 | $1,363,975 | $1,071,032 | $869,804 | $1,422,965 |
| Nuts of iron/steel | $207,973 | $257,686 | $238,822 | $238,342 | $199,543 | $185,159 | $192,348 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $173,554 | $192,744 | $204,252 | $228,427 | $129,238 | $100,593 | $181,522 |
| Spring washers & oth. lock washers, of iron/steel | $12,846 | $11,267 | $12,067 | $17,186 | $16,662 | $27,389 | $22,011 |
| Washers (excl. of 7318.21) of iron/steel | $76,519 | $129,932 | $86,622 | $119,100 | $92,507 | $65,752 | $105,951 |
| Rivets of iron/steel | $31,581 | $55,279 | $76,458 | $44,491 | $32,931 | $23,719 | $27,892 |
| Cotters & cotter-pins, of iron/steel | $44,672 | $36,715 | $33,087 | $19,348 | $25,449 | $28,112 | $20,290 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $204,175 | $300,609 | $309,923 | $358,274 | $238,253 | $236,923 | $253,708 |
| Total | $2,496,008 | $3,018,683 | $3,194,301 | $3,538,553 | $2,505,319 | $2,562,835 | $2,957,402 |
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