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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | | $559 | | | | $263,494 |
| Wood screws other than coach screws, of iron/steel | $1,055 | $1,176 | | $4,569 | $5,064 | $13,340 |
| Screw hooks & screw rings, of iron/steel | | $4,203 | | $1,357 | $219 | |
| Self-tapping screws of iron/steel | | $19,617 | $21,207 | $30,911 | $36,674 | $44,503 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $7,806 | $8,784 | $35,571 | $22,101 | $9,426 | $31,614 |
| Nuts of iron/steel | $818 | $1,061 | $1,740 | $9,624 | $6,779 | $146 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $11 | $2,127 | $38,771 | $24,508 | $6,441 | $30,341 |
| Spring washers & oth. lock washers, of iron/steel | | $206 | $52 | $121 | $330 | $80 |
| Washers (excl. of 7318.21) of iron/steel | $78 | $6 | $439,625 | $1,271,020 | $1,618,110 | $2,562,000 |
| Rivets of iron/steel | $29 | $587 | $377 | $241 | $1,209 | |
| Cotters & cotter-pins, of iron/steel | | $88 | | $4,354 | $4,822 | $13 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | | $3,360 | $20,925 | $391 | $3,475 | $2,029 |
| Total | $9,797 | $41,774 | $558,268 | $1,369,197 | $1,692,549 | $2,947,560 |
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