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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $149,691 | $268,519 | $489,374 | $682,737 | $625,943 | $710,513 | $417,076 |
| Wood screws other than coach screws, of iron/steel | $4,986,349 | $2,187,585 | $2,349,176 | $3,896,059 | $12,794,520 | $12,763,482 | $15,249,487 |
| Screw hooks & screw rings, of iron/steel | $473,163 | $686,751 | $373,291 | $302,379 | $514,784 | $782,962 | $366,041 |
| Self-tapping screws of iron/steel | $16,573,907 | $16,090,304 | $15,053,159 | $14,865,846 | $8,301,340 | $8,307,696 | $9,661,969 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $271,883,436 | $279,178,319 | $213,459,849 | $246,762,831 | $128,281,010 | $162,732,954 | $186,639,247 |
| Nuts of iron/steel | $54,857,804 | $57,234,220 | $57,492,198 | $59,203,287 | $46,918,869 | $68,039,318 | $81,290,677 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $8,585,410 | $17,315,630 | $13,398,550 | $8,121,674 | $9,892,643 | $9,920,928 | $10,588,645 |
| Spring washers & oth. lock washers, of iron/steel | $2,377,202 | $3,468,472 | $2,917,089 | $2,245,807 | $1,844,431 | $2,660,060 | $4,144,208 |
| Washers (excl. of 7318.21) of iron/steel | $8,730,458 | $10,700,620 | $13,909,787 | $16,828,056 | $13,057,331 | $18,009,492 | $20,835,598 |
| Rivets of iron/steel | $8,666,329 | $9,248,478 | $10,498,626 | $10,286,574 | $6,072,341 | $7,625,158 | $11,603,205 |
| Cotters & cotter-pins, of iron/steel | $3,452,329 | $5,384,515 | $4,749,294 | $4,550,077 | $2,312,788 | $3,136,224 | $3,124,223 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $55,199,702 | $52,677,795 | $64,536,217 | $71,142,657 | $46,947,518 | $60,775,196 | $71,185,093 |
| Total | $435,935,780 | $454,441,208 | $399,226,610 | $438,887,984 | $277,563,518 | $355,463,983 | $415,105,469 |
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