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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Coach screws of iron/steel | $683,192 | $1,113,192 | $430,440 | $941,468 | $1,785,763 |
| Wood screws other than coach screws, of iron/steel | $1,853,537 | $2,494,320 | $2,803,207 | $2,890,629 | $2,571,312 |
| Screw hooks & screw rings, of iron/steel | $85,536 | $266,099 | $480,631 | $225,943 | $520,368 |
| Self-tapping screws of iron/steel | $2,523,984 | $2,142,654 | $2,903,746 | $3,117,689 | $2,444,987 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $20,259,649 | $25,183,911 | $33,344,482 | $44,319,103 | $107,191,038 |
| Nuts of iron/steel | $3,296,008 | $4,865,650 | $7,143,698 | $9,570,177 | $7,660,503 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $3,178,523 | $5,252,033 | $7,766,245 | $8,157,288 | $4,823,630 |
| Spring washers & oth. lock washers, of iron/steel | $755,383 | $1,725,200 | $1,767,417 | $1,366,043 | $878,593 |
| Washers (excl. of 7318.21) of iron/steel | $1,308,238 | $1,549,948 | $2,918,343 | $5,286,750 | $4,425,975 |
| Rivets of iron/steel | $285,572 | $472,839 | $533,380 | $629,993 | $439,566 |
| Cotters & cotter-pins, of iron/steel | $228,372 | $389,418 | $415,515 | $831,391 | $413,095 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,051,516 | $1,728,508 | $2,380,841 | $2,632,753 | $3,110,727 |
| Total | $35,509,510 | $47,183,772 | $62,887,945 | $79,969,227 | $136,265,557 |
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