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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $4,033 | $1,625 | $2,794 | $2,920 | $6,131 | $197 | $396 |
| Wood screws other than coach screws, of iron/steel | | | $94 | | | $381 | |
| Screw hooks & screw rings, of iron/steel | | | | $30,346 | $716 | | |
| Self-tapping screws of iron/steel | | | | | | | $178 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $62,260 | $49,321 | $223,898 | $120,961 | $55,272 | $124,673 | $68,220 |
| Nuts of iron/steel | $549 | $6,280 | $6,902 | $7,535 | $1,473 | $9,052 | $790 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,930 | $56,247 | $6,068 | $9,297 | $5,441 | $14,423 | $29,361 |
| Spring washers & oth. lock washers, of iron/steel | | $186 | $120 | $74 | $1,966 | $2,229 | |
| Washers (excl. of 7318.21) of iron/steel | | $16,802 | $13,761 | $18,040 | $7,602 | $5,175 | $7,943 |
| Rivets of iron/steel | $96 | | | | | | $5 |
| Cotters & cotter-pins, of iron/steel | $96 | $1,535 | $1,115 | $1,222 | | $3,025 | $5,094 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $682 | | $799 | $1,837 | $5,501 | $32,345 | $16,362 |
| Total | $70,646 | $131,996 | $255,551 | $192,232 | $84,102 | $191,500 | $128,349 |
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