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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $9,108 | $2,412 | $2,844 | $1,518 | $844 | $46,863 | $30,172 |
| Self-tapping screws of iron/steel | $347 | $942 | $4,146 | $900 | | $370 | $43,013 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $9,272 | $27,079 | $54,429 | $36,274 | $7,153 | $66,946 | $131,576 |
| Nuts of iron/steel | $305 | $6,823 | $26,039 | $6,355 | $272 | $7,363 | $83,966 |
| Spring washers & oth. lock washers, of iron/steel | $147 | $921 | $4,113 | $14,540 | $14,747 | $414 | $1,552 |
| Rivets of iron/steel | | | $2,746 | | | $2,450 | $101,443 |
| Cotters & cotter-pins, of iron/steel | $328 | $631 | | $1,800 | $3,974 | $1,727 | |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $327 | $51,542 | $1,434 | | $1,628 | $3,273 | $2,620 |
| Total | $19,834 | $90,350 | $95,751 | $61,387 | $28,618 | $129,406 | $394,342 |
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