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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | | | | $320 | $47,952 | $59 | |
| Screw hooks & screw rings, of iron/steel | $2,403 | | $43 | $612 | | $55,845 | |
| Self-tapping screws of iron/steel | $55 | $274 | | $862 | | $12,702 | $10,000 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,380 | $16,239 | $29,846 | $15,106 | $18,685 | $8,202 | $30,000 |
| Nuts of iron/steel | $10 | $54 | $8,738 | $158 | $3,383 | $18 | |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $3,149 | $1,113 | $1,955 | $284 | $741,058 | $68,701 | $24,000 |
| Spring washers & oth. lock washers, of iron/steel | | $108 | $4,080 | $99 | $143 | | |
| Washers (excl. of 7318.21) of iron/steel | $3,904 | $427 | $74,031 | $270 | | $50 | |
| Rivets of iron/steel | | | $16 | $319 | | | |
| Cotters & cotter-pins, of iron/steel | $457 | $292 | | $92 | $3,871 | $427 | |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1 | $15,404 | $9,961 | $24 | $299 | $983 | $3,000 |
| Total | $13,359 | $33,911 | $128,670 | $18,146 | $815,391 | $146,987 | $67,000 |
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