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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,496 | $130 | | | $5 | | $30 |
| Wood screws other than coach screws, of iron/steel | $625 | $1,458 | $5,705 | | $5 | | |
| Screw hooks & screw rings, of iron/steel | $992 | $985 | $51 | $2,324 | $83 | $299 | $7,422 |
| Self-tapping screws of iron/steel | $38 | $1,384 | $2,760 | $4,102 | $2,444 | $1,125 | $10,280 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $71,717 | $147,783 | $71,335 | $47,553 | $168,402 | $77,331 | $127,593 |
| Nuts of iron/steel | $5,463,030 | $4,150,507 | $4,833,000 | $4,060,206 | $575,199 | $624,313 | $352,740 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $25,880 | $13,683 | $25,880 | $11,516 | $4,883 | $13,128 | $6,457 |
| Spring washers & oth. lock washers, of iron/steel | $141 | $1,384 | $331 | $31 | $46 | $1,718 | $947 |
| Washers (excl. of 7318.21) of iron/steel | $8,977 | $8,208 | $9,916 | $6,340 | $5,723 | $3,860 | $35,529 |
| Rivets of iron/steel | $10,824 | $3,336 | $675 | $849 | $195 | $166 | $421 |
| Cotters & cotter-pins, of iron/steel | $121 | $93 | $19 | $14 | | | |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $7,783 | $1,705 | $20,899 | $10,011 | $2,225 | $14,170 | $180,332 |
| Total | $5,591,624 | $4,330,656 | $4,970,571 | $4,142,946 | $759,210 | $736,110 | $721,751 |
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