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| Commodity | 2005 | 2006 | 2010 |
| Coach screws of iron/steel | $1,999,440 | $1,973,025 | $7,182,942 |
| Wood screws other than coach screws, of iron/steel | $1,271,837 | $1,359,663 | $1,760,148 |
| Screw hooks & screw rings, of iron/steel | $155,775 | $47,492 | $140,160 |
| Self-tapping screws of iron/steel | $1,496,000 | $1,112,090 | $4,150,867 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $16,394,309 | $6,927,299 | $41,092,902 |
| Nuts of iron/steel | $11,151,934 | $6,333,620 | $13,987,248 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,309,246 | $570,045 | $5,384,393 |
| Spring washers & oth. lock washers, of iron/steel | $1,999,832 | $182,975 | $1,055,339 |
| Washers (excl. of 7318.21) of iron/steel | $3,291,100 | $497,692 | $4,380,203 |
| Rivets of iron/steel | $180,580 | $188,903 | $786,098 |
| Cotters & cotter-pins, of iron/steel | $633,239 | $116,856 | $3,219,714 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,676,278 | $334,163 | $4,559,677 |
| Total | $42,559,570 | $19,643,823 | $87,699,691 |
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