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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Coach screws of iron/steel | $352 | $8,351 | $705 | $2,612 | $1,340 | $8,588 |
| Wood screws other than coach screws, of iron/steel | $11,260 | $15,917 | $12,054 | $9,425 | $34,081 | $16,970 |
| Screw hooks & screw rings, of iron/steel | $108,029 | $33,286 | $61,249 | $35,071 | $125,539 | $43,399 |
| Self-tapping screws of iron/steel | $2,632 | $2,264 | $7,603 | $4,970 | $5,227 | $17,413 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $89,070 | $110,301 | $209,479 | $192,597 | $317,230 | $529,864 |
| Nuts of iron/steel | $5,593 | $4,307 | $40,172 | $26,114 | $40,104 | $30,409 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $11,066 | $24,373 | $51,642 | $88,937 | $102,240 | $338,321 |
| Spring washers & oth. lock washers, of iron/steel | $1,077 | $2,214 | $940 | $81,341 | $6,160 | $6,294 |
| Washers (excl. of 7318.21) of iron/steel | $1,167 | $2,267 | $17,059 | $10,809 | $18,818 | $6,130 |
| Rivets of iron/steel | $3,987 | $2,658 | $4,695 | $5,728 | $14,733 | $3,571 |
| Cotters & cotter-pins, of iron/steel | $2,079 | $1,161 | $1,007 | $6,730 | $3,574 | $3,416 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $35,454 | $45,951 | $198,221 | $10,682 | $72,234 | $697,610 |
| Total | $271,766 | $253,050 | $604,826 | $475,016 | $741,280 | $1,701,985 |
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