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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $20,010 | $34 | $1,220 | | $6,520 | $9,527 | $4,130 |
| Wood screws other than coach screws, of iron/steel | $45,450 | $100,463 | $94,382 | $99,569 | $50,049 | $52,513 | $145,442 |
| Screw hooks & screw rings, of iron/steel | $9,480 | $4,754 | $10,070 | $7,429 | $4,308 | $10,573 | $12,176 |
| Self-tapping screws of iron/steel | $368,320 | $415,421 | $316,706 | $303,203 | $345,332 | $166,180 | $498,721 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,976,920 | $2,176,986 | $2,548,561 | $3,500,611 | $2,836,542 | $3,393,070 | $4,065,169 |
| Nuts of iron/steel | $341,140 | $395,019 | $397,928 | $509,929 | $482,285 | $546,064 | $842,540 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $249,370 | $156,530 | $196,318 | $257,120 | $295,879 | $279,997 | $508,718 |
| Spring washers & oth. lock washers, of iron/steel | $91,580 | $131,506 | $131,148 | $83,092 | $92,510 | $144,250 | $133,257 |
| Washers (excl. of 7318.21) of iron/steel | $255,150 | $181,169 | $238,132 | $475,724 | $286,566 | $319,731 | $617,527 |
| Rivets of iron/steel | $29,170 | $49,853 | $60,083 | $68,655 | $54,211 | $55,967 | $52,316 |
| Cotters & cotter-pins, of iron/steel | $158,350 | $219,695 | $212,047 | $249,017 | $232,508 | $485,849 | $397,377 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $461,130 | $185,264 | $240,684 | $114,000 | $136,821 | $162,173 | $343,056 |
| Total | $4,006,070 | $4,016,694 | $4,447,279 | $5,668,349 | $4,823,531 | $5,625,894 | $7,620,429 |
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