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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $3,648 | $21,899 | $45,726 | $5,903 | $13,652 | $20,464 |
| Wood screws other than coach screws, of iron/steel | $105,448 | $212,949 | $189,369 | $153,993 | $259,556 | $262,573 |
| Screw hooks & screw rings, of iron/steel | $43,181 | $54,068 | $190,109 | $195,931 | $302,343 | $71,376 |
| Self-tapping screws of iron/steel | $32,257 | $32,790 | $107,387 | $121,032 | $264,839 | $146,496 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $4,123,579 | $4,334,926 | $6,628,946 | $6,759,130 | $7,892,425 | $6,880,952 |
| Nuts of iron/steel | $751,462 | $742,700 | $1,003,444 | $694,786 | $872,183 | $983,419 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $395,418 | $524,814 | $1,423,603 | $916,346 | $708,803 | $538,415 |
| Spring washers & oth. lock washers, of iron/steel | $39,445 | $21,689 | $43,524 | $159,172 | $94,676 | $75,989 |
| Washers (excl. of 7318.21) of iron/steel | $264,461 | $458,211 | $363,533 | $348,169 | $480,528 | $427,104 |
| Rivets of iron/steel | $232,859 | $262,428 | $300,204 | $356,964 | $443,011 | $541,512 |
| Cotters & cotter-pins, of iron/steel | $94,861 | $190,445 | $144,657 | $63,593 | $72,467 | $200,147 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $453,677 | $661,336 | $643,478 | $1,017,636 | $861,034 | $922,687 |
| Total | $6,540,296 | $7,518,255 | $11,083,980 | $10,792,655 | $12,265,517 | $11,071,134 |
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