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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $17,876 | $23,010 | $11,499 | $5,633 | $49,636 | $69,077 |
| Wood screws other than coach screws, of iron/steel | $202,588 | $178,802 | $241,473 | $197,963 | $252,967 | $648,567 |
| Screw hooks & screw rings, of iron/steel | $28,515 | $45,834 | $99,317 | $68,186 | $36,503 | $49,327 |
| Self-tapping screws of iron/steel | $269,342 | $280,719 | $285,924 | $508,581 | $242,429 | $188,130 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,146,157 | $1,266,816 | $1,536,017 | $1,652,236 | $1,226,111 | $1,490,165 |
| Nuts of iron/steel | $174,449 | $222,715 | $267,252 | $285,379 | $232,144 | $631,838 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $609,081 | $742,808 | $1,092,176 | $1,032,075 | $682,445 | $450,529 |
| Spring washers & oth. lock washers, of iron/steel | $34,827 | $16,958 | $55,594 | $31,617 | $20,880 | $16,557 |
| Washers (excl. of 7318.21) of iron/steel | $1,911,155 | $1,924,427 | $1,818,777 | $1,387,993 | $733,336 | $1,261,291 |
| Rivets of iron/steel | $93,623 | $86,270 | $103,159 | $62,191 | $51,543 | $84,190 |
| Cotters & cotter-pins, of iron/steel | $30,440 | $16,290 | $22,406 | $44,567 | $31,146 | $7,259 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $745,383 | $950,166 | $1,273,358 | $1,047,654 | $813,583 | $871,030 |
| Total | $5,263,436 | $5,754,815 | $6,806,952 | $6,324,075 | $4,372,723 | $5,767,960 |
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