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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $221,163 | $726,109 | $825,017 | $841,721 | $572,492 | $1,022,351 | $833,691 |
| Wood screws other than coach screws, of iron/steel | $91,685 | $267,818 | $352,254 | $366,950 | $173,406 | $284,525 | $429,662 |
| Screw hooks & screw rings, of iron/steel | $2,735 | $8,003 | $11,717 | $8,330 | $26,237 | $26,608 | $57,254 |
| Self-tapping screws of iron/steel | $76,451 | $63,058 | $33,074 | $42,750 | $74,318 | $111,207 | $299,380 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,193,596 | $3,403,245 | $4,155,646 | $5,755,459 | $5,911,465 | $6,202,214 | $7,911,938 |
| Nuts of iron/steel | $757,033 | $775,825 | $1,224,847 | $1,498,036 | $1,212,458 | $1,660,868 | $1,804,401 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $273,919 | $494,020 | $563,569 | $780,999 | $782,937 | $894,509 | $1,307,425 |
| Spring washers & oth. lock washers, of iron/steel | $78,588 | $96,572 | $138,626 | $193,730 | $212,075 | $257,104 | $324,379 |
| Washers (excl. of 7318.21) of iron/steel | $299,885 | $380,990 | $497,932 | $800,790 | $642,524 | $762,833 | $905,164 |
| Rivets of iron/steel | $30,536 | $27,629 | $54,778 | $72,618 | $63,759 | $73,252 | $124,230 |
| Cotters & cotter-pins, of iron/steel | $312,309 | $401,501 | $518,282 | $613,038 | $633,483 | $807,138 | $1,014,639 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $417,455 | $513,876 | $444,683 | $765,113 | $512,787 | $738,710 | $730,642 |
| Total | $5,755,355 | $7,158,646 | $8,820,425 | $11,739,534 | $10,817,941 | $12,841,319 | $15,742,805 |
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