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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $23,687 | $15,099 | $141,882 | $16,980 | $141,491 | $97,725 |
| Wood screws other than coach screws, of iron/steel | $9,378 | $4,077 | $47 | $48,778 | $846 | $23,018 |
| Screw hooks & screw rings, of iron/steel | $11,184 | $2,333 | $1,592 | $3,633 | $382 | $1,658 |
| Self-tapping screws of iron/steel | | $2,240 | $107 | $95 | $2,949 | $1,410 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $92,061 | $119,174 | $88,245 | $375,026 | $1,647,701 | $2,173,753 |
| Nuts of iron/steel | $16,897 | $10,104 | $4,675 | $120,644 | $6,466 | $181,274 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $34,648 | $32,573 | $20,050 | $198,564 | $140,438 | $108,091 |
| Spring washers & oth. lock washers, of iron/steel | $593 | $2,986 | $622,470 | $10,555 | $14,660 | $24,084 |
| Washers (excl. of 7318.21) of iron/steel | $4,985 | $9,318 | $2,487 | $3,778 | $6,790 | $16,897 |
| Rivets of iron/steel | $1,452,219 | $1,033,390 | $348,425 | $1,227,907 | $1,454,729 | $2,474,493 |
| Cotters & cotter-pins, of iron/steel | $360 | $18,370 | $6,533 | $2,524 | $279 | $35,939 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $33,033 | $34,684 | $14,208 | $159,773 | $234,062 | $69,700 |
| Total | $1,679,045 | $1,284,348 | $1,250,721 | $2,168,257 | $3,650,793 | $5,208,042 |
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