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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $294,372 | $26,434 | $168,547 | $104,924 | $116,007 | $97,114 | $78,260 |
| Wood screws other than coach screws, of iron/steel | $102,010 | $102,491 | $78,629 | $209,194 | $296,302 | $157,486 | $104,817 |
| Screw hooks & screw rings, of iron/steel | $67,558 | $247,043 | $154,008 | $297,953 | $274,826 | $250,906 | $495,558 |
| Self-tapping screws of iron/steel | $74,292 | $102,168 | $104,405 | $169,207 | $171,950 | $188,902 | $155,857 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $4,707,557 | $5,043,180 | $10,517,338 | $7,518,508 | $8,100,988 | $8,036,868 | $7,368,266 |
| Nuts of iron/steel | $376,595 | $865,784 | $808,595 | $1,160,010 | $557,508 | $906,640 | $843,864 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $761,340 | $967,291 | $922,911 | $763,934 | $2,196,486 | $3,003,514 | $2,716,199 |
| Spring washers & oth. lock washers, of iron/steel | $45,298 | $48,273 | $182,468 | $74,618 | $55,782 | $82,541 | $194,863 |
| Washers (excl. of 7318.21) of iron/steel | $157,834 | $169,141 | $188,941 | $157,097 | $116,263 | $338,491 | $516,944 |
| Rivets of iron/steel | $79,059 | $151,819 | $174,176 | $70,288 | $92,506 | $245,084 | $191,382 |
| Cotters & cotter-pins, of iron/steel | $40,581 | $76,279 | $79,064 | $111,889 | $139,760 | $100,253 | $45,056 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $334,728 | $214,955 | $938,594 | $137,526 | $202,678 | $381,632 | $485,348 |
| Total | $7,041,224 | $8,014,858 | $14,317,676 | $10,775,148 | $12,321,056 | $13,789,431 | $13,196,414 |
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