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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $235,883 | $184,120 | $787,190 | $1,271,673 | $1,139,272 | $341,655 | $91,390 |
| Wood screws other than coach screws, of iron/steel | $476,699 | $401,535 | $415,765 | $1,650,854 | $1,743,412 | $318,848 | $148,625 |
| Screw hooks & screw rings, of iron/steel | $23,688 | $25,676 | $31,984 | $726,292 | $521,131 | $404,209 | $931,608 |
| Self-tapping screws of iron/steel | $199,551 | $105,930 | $149,865 | $816,415 | $1,283,374 | $455,625 | $313,149 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $20,469,293 | $24,589,177 | $28,741,519 | $36,473,482 | $30,138,987 | $26,661,178 | $23,527,701 |
| Nuts of iron/steel | $8,405,538 | $7,937,092 | $9,005,346 | $9,865,096 | $9,445,249 | $12,167,502 | $6,152,167 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $4,651,627 | $3,625,248 | $5,765,981 | $14,203,461 | $16,983,801 | $6,558,108 | $4,424,250 |
| Spring washers & oth. lock washers, of iron/steel | $1,598,675 | $751,626 | $859,392 | $1,299,574 | $890,975 | $1,306,509 | $618,758 |
| Washers (excl. of 7318.21) of iron/steel | $2,894,330 | $3,611,149 | $4,675,534 | $4,120,868 | $2,650,854 | $5,077,572 | $3,668,510 |
| Rivets of iron/steel | $600,353 | $674,733 | $980,946 | $481,638 | $524,325 | $544,085 | $629,237 |
| Cotters & cotter-pins, of iron/steel | $6,749,936 | $5,564,004 | $5,940,746 | $7,057,373 | $4,892,494 | $5,359,127 | $5,248,560 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,028,405 | $2,173,382 | $3,107,191 | $4,312,547 | $14,490,318 | $5,904,232 | $5,122,827 |
| Total | $48,333,978 | $49,643,672 | $60,461,459 | $82,279,273 | $84,704,192 | $65,098,650 | $50,876,782 |
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