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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $5,119 | $1,055 | | | $522 | $265 | $305,171 |
| Wood screws other than coach screws, of iron/steel | $23,411 | $30,808 | | $1,365 | $52,026 | $352,409 | $1,776,973 |
| Screw hooks & screw rings, of iron/steel | $3,570 | | | $4,938 | | | $20,908 |
| Self-tapping screws of iron/steel | $36,126 | $48,589 | $30,508 | $14,768 | | $2,269 | |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $31,902 | $83,029 | $125,576 | $2,025 | $53,069 | $6,161 | $31,984 |
| Nuts of iron/steel | $3,994 | $57,894 | $3,082 | $84,207 | $706 | $10,674 | |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $507,971 | | $182,842 | $56,717 | $707,082 | $41,767 | $502,756 |
| Spring washers & oth. lock washers, of iron/steel | | $50 | | | | | $385 |
| Washers (excl. of 7318.21) of iron/steel | | | $198 | $825 | $7,613 | | $4,331 |
| Rivets of iron/steel | $168,350 | $160,524 | $127,889 | $1,124,315 | $1,037,310 | $1,554,507 | $1,339,483 |
| Cotters & cotter-pins, of iron/steel | $60,489 | | $66,159 | $208,524 | $71,098 | $191,558 | $213,751 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $36,666 | $21,957 | $87,149 | $831,367 | $213,635 | $862,782 | $1,333,089 |
| Total | $877,598 | $403,906 | $623,403 | $2,329,051 | $2,143,061 | $3,022,392 | $5,528,831 |
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