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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Coach screws of iron/steel | $215,910 | $745,263 | $82,202 | $103,885 | $27,457 |
| Wood screws other than coach screws, of iron/steel | $162,382 | $466,698 | $1,310,706 | $2,122,295 | $1,479,649 |
| Screw hooks & screw rings, of iron/steel | $130,195 | $72,695 | $66,068 | $260,465 | $362,870 |
| Self-tapping screws of iron/steel | $661 | $104,230 | $52,467 | $28,800 | $42,375 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $8,488,376 | $10,127,124 | $14,556,791 | $3,004,032 | $11,038,957 |
| Nuts of iron/steel | $59,402 | $176,357 | $483,716 | $53,187 | $322,400 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $610,600 | $1,672,098 | $11,241,195 | $558,113 | $2,335,629 |
| Spring washers & oth. lock washers, of iron/steel | $29,856 | $67,957 | $17,612 | $3,602 | $171,188 |
| Washers (excl. of 7318.21) of iron/steel | $151,166 | $146,667 | $8,082 | $738,903 | $155,089 |
| Rivets of iron/steel | $17,845 | $64,527 | $297,312 | $44,582 | $45,128 |
| Cotters & cotter-pins, of iron/steel | $39,398 | $59,197 | $12,958 | $21,817 | $18,080 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $761,351 | $520,554 | $808,298 | $119,667 | $675,823 |
| Total | $10,667,142 | $14,223,367 | $28,937,407 | $7,059,348 | $16,674,645 |
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