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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 |
| Coach screws of iron/steel | $417,473 | $587,133 | $681,180 | | $1,218,135 |
| Wood screws other than coach screws, of iron/steel | $1,228,665 | $1,244,634 | $1,235,838 | | $1,431,202 |
| Screw hooks & screw rings, of iron/steel | $1,900,581 | $2,448,988 | $2,818,116 | | $1,885,869 |
| Self-tapping screws of iron/steel | $6,043,554 | $7,831,428 | $13,852,839 | | $10,317,080 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $39,307,896 | $49,022,504 | $96,492,208 | | $83,770,505 |
| Nuts of iron/steel | $9,423,617 | $15,475,043 | $18,518,547 | | $16,183,487 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $5,748,518 | $14,793,987 | $23,626,802 | $946,481 | $28,995,503 |
| Spring washers & oth. lock washers, of iron/steel | $4,292,088 | $5,168,294 | $12,629,165 | | $12,198,149 |
| Washers (excl. of 7318.21) of iron/steel | $14,369,899 | $21,685,418 | $26,793,214 | | $39,355,249 |
| Rivets of iron/steel | $3,358,311 | $2,040,145 | $2,646,207 | | $3,663,205 |
| Cotters & cotter-pins, of iron/steel | $6,027,203 | $6,984,038 | $9,707,601 | | $14,873,885 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $8,445,744 | $10,330,753 | $11,785,069 | | $23,730,430 |
| Total | $100,563,549 | $137,612,365 | $220,786,786 | $946,481 | $237,622,699 |
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