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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,268 | $165 | $877 | $2,677 | $2,260 | $12,524 | $19,438 |
| Wood screws other than coach screws, of iron/steel | $274,136 | $495,231 | $677,911 | $892,875 | $600,284 | $773,922 | $891,898 |
| Screw hooks & screw rings, of iron/steel | $47,088 | $30,770 | $45,583 | $86,068 | $38,469 | $51,277 | $53,561 |
| Self-tapping screws of iron/steel | $532,788 | $976,908 | $931,611 | $838,583 | $576,118 | $700,646 | $1,488,780 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,281,231 | $1,487,160 | $2,162,587 | $2,795,175 | $1,553,687 | $2,213,150 | $3,597,991 |
| Nuts of iron/steel | $217,841 | $251,685 | $366,471 | $534,838 | $385,458 | $471,637 | $876,955 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $80,150 | $234,073 | $213,701 | $353,859 | $207,542 | $423,834 | $673,309 |
| Spring washers & oth. lock washers, of iron/steel | $100,356 | $95,814 | $224,974 | $267,407 | $28,888 | $63,204 | $57,674 |
| Washers (excl. of 7318.21) of iron/steel | $31,728 | $93,182 | $219,099 | $243,033 | $157,563 | $213,332 | $286,188 |
| Rivets of iron/steel | $37,504 | $46,397 | $70,318 | $122,360 | $174,531 | $139,609 | $131,232 |
| Cotters & cotter-pins, of iron/steel | $9,765 | $31,701 | $36,844 | $33,976 | $24,588 | $32,504 | $42,467 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $33,923 | $93,583 | $94,625 | $132,585 | $132,563 | $126,003 | $218,584 |
| Total | $2,647,778 | $3,836,669 | $5,044,601 | $6,303,436 | $3,881,951 | $5,221,642 | $8,338,077 |
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