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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $34,000 | | $607 | $5,138 | $10,207 | $1,870 | $1,156 |
| Wood screws other than coach screws, of iron/steel | $63,000 | $7,373 | $24,632 | $3,988 | $63,642 | $15,424 | $17,621 |
| Screw hooks & screw rings, of iron/steel | $5,000 | $3,734 | $10,807 | $12,886 | $1,040 | $5,455 | $11,311 |
| Self-tapping screws of iron/steel | $5,000 | $22,604 | $16,876 | $25,756 | $29,990 | $25,063 | $53,300 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $104,000 | $73,226 | $243,600 | $405,915 | $209,326 | $297,970 | $411,207 |
| Nuts of iron/steel | $35,000 | $232,632 | $47,639 | $76,383 | $68,998 | $64,714 | $90,313 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $82,000 | $57,332 | $75,459 | $205,397 | $183,407 | $115,346 | $210,733 |
| Spring washers & oth. lock washers, of iron/steel | | $319 | $98 | $13,303 | $13,152 | $16,782 | $2,913 |
| Washers (excl. of 7318.21) of iron/steel | | $162,055 | $187,783 | $65,341 | $8,729 | $42,424 | $26,542 |
| Rivets of iron/steel | $7,000 | $3,220 | $913 | $9,787 | $5,862 | $2,501 | $1,877 |
| Cotters & cotter-pins, of iron/steel | | $3,232 | $15,847 | $2,462 | $968 | $1,921 | $1,055 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $28,000 | $82,166 | $133,004 | $78,889 | $43,106 | $87,847 | $62,057 |
| Total | $363,000 | $647,893 | $757,265 | $905,245 | $638,427 | $677,317 | $890,085 |
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