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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $208 | $6,693 | $7,747 | $5,176 | $4,577 | $2,187 |
| Wood screws other than coach screws, of iron/steel | $62,114 | $32,441 | $42,885 | $134,218 | $88,147 | $123,882 |
| Screw hooks & screw rings, of iron/steel | $10,422 | $8,025 | $14,157 | $12,482 | $6,575 | $8,402 |
| Self-tapping screws of iron/steel | $19,640 | $12,606 | $18,487 | $19,398 | $20,714 | $16,675 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $189,358 | $244,638 | $315,025 | $338,258 | $302,196 | $344,730 |
| Nuts of iron/steel | $32,699 | $32,005 | $38,954 | $56,217 | $52,707 | $46,769 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $25,064 | $30,017 | $24,651 | $49,084 | $82,592 | $66,109 |
| Spring washers & oth. lock washers, of iron/steel | $4,824 | $3,364 | $3,437 | $6,231 | $1,481 | $31,133 |
| Washers (excl. of 7318.21) of iron/steel | $43,804 | $24,597 | $43,516 | $40,553 | $36,588 | $24,836 |
| Rivets of iron/steel | $823 | $14,069 | $3,690 | $4,408 | $4,331 | $4,076 |
| Cotters & cotter-pins, of iron/steel | $3,530 | $3,506 | $10,100 | $11,103 | $6,829 | $2,980 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $134,504 | $145,047 | $121,352 | $97,214 | $37,860 | $40,843 |
| Total | $526,990 | $557,008 | $644,001 | $774,342 | $644,597 | $712,622 |
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