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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $490 | $115 | $10 | $47 | $7 | | $330 |
| Wood screws other than coach screws, of iron/steel | $8,156 | $44,213 | $357 | $7,152 | $263 | $8,511 | $2,732 |
| Screw hooks & screw rings, of iron/steel | $174 | $559 | | $8,140 | $2,562 | $26,448 | |
| Self-tapping screws of iron/steel | $17,021 | $16,406 | $5,895 | $3,745 | $3,091 | $12,167 | $4,133 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $159,502 | $194,350 | $767,866 | $485,148 | $262,899 | $246,890 | $357,991 |
| Nuts of iron/steel | $48,005 | $256,547 | $48,077 | $53,826 | $82,305 | $72,559 | $88,084 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $62,319 | $23,279 | $26,784 | $69,788 | $39,441 | $38,554 | $79,162 |
| Spring washers & oth. lock washers, of iron/steel | $11,284 | $4,539 | $9,259 | $566 | $5,069 | $12,778 | $41,570 |
| Washers (excl. of 7318.21) of iron/steel | $5,431 | $4,817 | $5,903 | $3,877 | $7,574 | $20,897 | $10,595 |
| Rivets of iron/steel | $24,636 | $9,837 | $16,419 | $15,727 | $15,553 | $18,871 | $22,014 |
| Cotters & cotter-pins, of iron/steel | $2,585 | $915 | $2,263 | $2,938 | $13,904 | $1,660 | $6,441 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $22,889 | $44,394 | $13,240 | $5,994 | $4,801 | $12,508 | $26,660 |
| Total | $362,492 | $599,971 | $896,073 | $656,948 | $437,469 | $471,843 | $639,712 |
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