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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $26,398 | $24,760 | $22,876 | $87,976 | $14,159 | $44,315 |
| Wood screws other than coach screws, of iron/steel | $46,961 | $69,729 | $82,014 | $72,503 | $41,844 | $25,925 |
| Screw hooks & screw rings, of iron/steel | $17,553 | $16,082 | $32,284 | $243,938 | $128,982 | $17,786 |
| Self-tapping screws of iron/steel | $9,174 | $80,325 | $46,072 | $75,031 | $70,972 | $11,991 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,963,625 | $2,479,719 | $2,222,270 | $4,058,626 | $3,849,934 | $6,653,253 |
| Nuts of iron/steel | $437,496 | $319,878 | $527,820 | $659,678 | $575,486 | $327,680 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $130,882 | $172,982 | $250,602 | $673,674 | $372,265 | $377,000 |
| Spring washers & oth. lock washers, of iron/steel | $17,724 | $26,510 | $16,004 | $38,171 | $21,201 | $56,382 |
| Washers (excl. of 7318.21) of iron/steel | $468,805 | $258,130 | $162,330 | $292,406 | $350,402 | $247,188 |
| Rivets of iron/steel | $10,970 | $38,655 | $51,138 | $58,381 | $43,897 | $59,070 |
| Cotters & cotter-pins, of iron/steel | $73,159 | $80,069 | $205,909 | $221,937 | $116,000 | $111,605 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $173,227 | $135,031 | $258,461 | $343,833 | $128,115 | $998,924 |
| Total | $4,375,974 | $3,701,870 | $3,877,780 | $6,826,154 | $5,713,257 | $8,931,119 |
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