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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $443 | $5,910 | $320 | $23,056 | $105,601 | $53,297 | $68,302 |
| Wood screws other than coach screws, of iron/steel | $170,218 | $294,480 | $824,512 | $718,315 | $357,170 | $259,452 | $216,821 |
| Screw hooks & screw rings, of iron/steel | $27,126 | $289,375 | $1,058,020 | $1,161,275 | $756,708 | $1,192,781 | $1,635,565 |
| Self-tapping screws of iron/steel | $1,084,151 | $1,458,734 | $1,348,138 | $1,488,488 | $753,677 | $677,422 | $985,950 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,448,880 | $1,807,438 | $1,323,281 | $981,582 | $454,713 | $1,377,527 | $1,206,920 |
| Nuts of iron/steel | $102,984 | $484,627 | $764,173 | $1,001,970 | $606,105 | $1,254,717 | $1,513,587 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $96,713 | $312,329 | $395,276 | $811,005 | $252,375 | $228,016 | $400,336 |
| Spring washers & oth. lock washers, of iron/steel | $13,357 | $26,138 | $28,840 | $43,284 | $29,344 | $127,204 | $95,927 |
| Washers (excl. of 7318.21) of iron/steel | $265,111 | $414,792 | $694,382 | $862,188 | $1,426,583 | $989,102 | $1,528,369 |
| Rivets of iron/steel | $137,388 | $217,542 | $114,854 | $15,159 | $24,120 | $25,278 | $30,395 |
| Cotters & cotter-pins, of iron/steel | $3,712 | $9,984 | $32,934 | $44,194 | $169,637 | $137,413 | $31,181 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $277,280 | $482,383 | $878,510 | $437,189 | $347,147 | $593,163 | $520,631 |
| Total | $3,627,363 | $5,803,732 | $7,463,240 | $7,587,705 | $5,283,180 | $6,915,372 | $8,233,984 |
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