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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | | | $954 | $605 | | $363 | $260 |
| Wood screws other than coach screws, of iron/steel | | $147,833 | $23,023 | $58,787 | $39,761 | $66,816 | $145,242 |
| Screw hooks & screw rings, of iron/steel | | $3,723 | $11,163 | | | $24,391 | $36,126 |
| Self-tapping screws of iron/steel | $137 | $260,267 | $231,175 | $343,027 | $88,929 | $204,239 | $74,171 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | | $1,047,199 | $1,384,263 | $1,729,210 | $1,353,629 | $1,822,739 | $3,253,274 |
| Nuts of iron/steel | | $101,039 | $415,229 | $308,161 | $303,199 | $614,380 | $1,031,490 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | | $162,439 | $507,850 | $523,691 | $312,805 | $390,442 | $347,415 |
| Spring washers & oth. lock washers, of iron/steel | | $196 | $19,678 | $198 | $5,950 | $34,486 | $2,531 |
| Washers (excl. of 7318.21) of iron/steel | | $20,320 | $7,887 | $6,153 | $16,341 | $34,089 | $129,777 |
| Rivets of iron/steel | | $19,225 | $50,813 | $83,415 | $19,656 | $60,261 | $39,659 |
| Cotters & cotter-pins, of iron/steel | | $21,105 | $38,542 | $39,292 | $21,804 | $14,214 | $103,419 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | | $59,653 | $81,089 | $65,631 | $243,301 | $217,409 | $223,229 |
| Total | $137 | $1,842,999 | $2,771,666 | $3,158,170 | $2,405,375 | $3,483,829 | $5,386,593 |
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