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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $549 | | | | $31,060 | $75,165 |
| Wood screws other than coach screws, of iron/steel | $1,795 | $1,112 | $5,341 | $568 | $29,978 | $13,055 |
| Screw hooks & screw rings, of iron/steel | $51,996 | $2,738 | $6,130 | $2,786 | $3,685 | $38,328 |
| Self-tapping screws of iron/steel | $97,271 | $24 | $19,691 | $26,606 | $426 | $14,131 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $65,953 | $86,173 | $55,231 | $74,008 | $45,802 | $112,757 |
| Nuts of iron/steel | $13,760 | $1,890 | $5,969 | $7,911 | $37,845 | $11,223 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $22,991 | $27,587 | $5,512 | $2,291 | $23,116 | $3,792 |
| Spring washers & oth. lock washers, of iron/steel | $1 | | | | | $49 |
| Washers (excl. of 7318.21) of iron/steel | $3,232 | $19,052 | $4,600 | $7,434 | $5,473 | $4,707 |
| Rivets of iron/steel | $32 | $1,406 | $3,964 | $4,271 | $87 | $43 |
| Cotters & cotter-pins, of iron/steel | $479 | $121 | $4,744 | $863 | $7 | $3,109 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,024 | $9,182 | $2,202 | $7,134 | $1,966 | $5,556 |
| Total | $259,083 | $149,285 | $113,384 | $133,872 | $179,445 | $281,915 |
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