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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $10,426 | $5,225 | $2,151 | $1,352 | $4,570 | $1,023 | $5,713 |
| Wood screws other than coach screws, of iron/steel | $4,030 | $22,630 | $23,572 | $3,407 | $1,925 | $11,231 | $8,084 |
| Screw hooks & screw rings, of iron/steel | $2,448 | $2,700 | $7,989 | $5,473 | $2,749 | $4,404 | $2,299 |
| Self-tapping screws of iron/steel | $22,786 | $42,146 | $176,680 | $34,351 | $32,053 | $79,246 | $59,833 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $325,569 | $355,180 | $381,490 | $542,164 | $416,424 | $545,077 | $719,153 |
| Nuts of iron/steel | $41,350 | $47,656 | $47,745 | $68,960 | $62,587 | $72,143 | $103,942 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $22,303 | $26,366 | $20,147 | $42,872 | $77,473 | $85,524 | $36,647 |
| Spring washers & oth. lock washers, of iron/steel | $13,716 | $34,049 | $46,115 | $50,439 | $36,797 | $85,939 | $371,396 |
| Washers (excl. of 7318.21) of iron/steel | $30,671 | $63,271 | $22,237 | $28,627 | $21,029 | $20,964 | $69,917 |
| Rivets of iron/steel | $3,192 | $6,652 | $13,859 | $10,867 | $19,480 | $19,027 | $19,539 |
| Cotters & cotter-pins, of iron/steel | $13,686 | $28,634 | $50,654 | $31,286 | $18,374 | $32,832 | $56,771 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $33,038 | $66,306 | $34,859 | $55,578 | $31,827 | $49,125 | $114,920 |
| Total | $523,215 | $700,815 | $827,498 | $875,376 | $725,288 | $1,006,535 | $1,568,214 |
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