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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $14,475 | $20,866 | $32,724 | $23,090 | $41,436 | $57,214 | $145,288 |
| Wood screws other than coach screws, of iron/steel | $1,961,953 | $2,258,734 | $2,213,291 | $1,835,780 | $987,053 | $982,303 | $1,300,557 |
| Screw hooks & screw rings, of iron/steel | $4,416 | $4,603 | $24,604 | $33,630 | $213,074 | $112,436 | $414,521 |
| Self-tapping screws of iron/steel | $1,406,381 | $1,399,936 | $2,204,540 | $6,209,962 | $1,174,661 | $779,630 | $1,202,342 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,840,336 | $4,289,127 | $3,940,578 | $6,269,028 | $3,361,654 | $3,594,200 | $6,463,944 |
| Nuts of iron/steel | $527,812 | $650,332 | $1,012,133 | $1,507,708 | $698,138 | $1,397,528 | $2,013,154 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $500,275 | $812,696 | $1,736,824 | $1,477,427 | $872,623 | $620,708 | $1,006,028 |
| Spring washers & oth. lock washers, of iron/steel | $11,585 | $28,631 | $56,073 | $91,377 | $55,935 | $160,283 | $256,027 |
| Washers (excl. of 7318.21) of iron/steel | $160,507 | $306,145 | $413,422 | $745,304 | $448,767 | $485,293 | $546,098 |
| Rivets of iron/steel | $74,002 | $126,548 | $266,225 | $331,910 | $206,073 | $233,509 | $517,110 |
| Cotters & cotter-pins, of iron/steel | $31,134 | $23,520 | $51,152 | $44,599 | $57,419 | $87,350 | $214,916 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,706,940 | $1,659,754 | $1,096,785 | $1,243,783 | $318,412 | $688,079 | $1,288,329 |
| Total | $9,239,816 | $11,580,892 | $13,048,351 | $19,813,598 | $8,435,245 | $9,198,533 | $15,368,314 |
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