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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $375,557 | $1,117,181 | $914,333 | $38,695 | $531,633 | $30,278 | |
| Wood screws other than coach screws, of iron/steel | $642,509 | | $7,837 | $58 | $8,988 | $18,186 | $5,547 |
| Screw hooks & screw rings, of iron/steel | | $6,049 | | $11,586 | | | $60,767 |
| Self-tapping screws of iron/steel | $27,942 | | | | $1,406 | | |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $590,649 | $342,150 | $242,199 | $864,548 | $519,017 | $935,040 | $2,928,569 |
| Nuts of iron/steel | $398,082 | $2,407 | $11,849 | $45,689 | $42,979 | $27,662 | $11,768 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $433,968 | $101,135 | $245,938 | $319,422 | $5,503 | $6,223 | $1,815,731 |
| Spring washers & oth. lock washers, of iron/steel | $196,305 | $7,011 | $580 | $11,302 | | | $333,535 |
| Washers (excl. of 7318.21) of iron/steel | $233,001 | $502,398 | $21,994 | $67,362 | $3,483 | $31,458 | $8,427 |
| Rivets of iron/steel | | | $17,142 | $37,900 | | | $35,756 |
| Cotters & cotter-pins, of iron/steel | | $65 | $15,112 | $13,491 | $27,572 | $38,949 | $59,220 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $29,549 | $760,585 | $82,113 | $118,115 | $50,971 | $41,178 | $116,149 |
| Total | $2,927,562 | $2,838,981 | $1,559,097 | $1,528,168 | $1,191,552 | $1,128,974 | $5,375,469 |
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