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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $3,000 | | $340 | $9,309 | $2,880 | $25,692 | $148 |
| Wood screws other than coach screws, of iron/steel | $294,000 | $473,819 | $547,011 | $746,053 | $668,247 | $543,129 | $820,466 |
| Screw hooks & screw rings, of iron/steel | $318,000 | $196,657 | $351,363 | $205,767 | $380,984 | $460,404 | $587,469 |
| Self-tapping screws of iron/steel | $156,000 | $239,637 | $298,142 | $591,809 | $1,014,046 | $663,035 | $693,000 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,405,000 | $3,188,875 | $4,387,737 | $7,361,618 | $5,285,927 | $6,569,368 | $8,316,344 |
| Nuts of iron/steel | $486,000 | $423,346 | $608,071 | $453,978 | $482,826 | $601,341 | $504,607 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $892,000 | $616,278 | $1,064,294 | $1,060,320 | $1,229,278 | $1,162,530 | $1,437,060 |
| Spring washers & oth. lock washers, of iron/steel | $138,000 | $77,277 | $57,493 | $113,527 | $100,182 | $109,729 | $151,010 |
| Washers (excl. of 7318.21) of iron/steel | $384,000 | $463,585 | $441,028 | $540,590 | $248,825 | $703,825 | $459,415 |
| Rivets of iron/steel | $157,000 | $172,707 | $75,289 | $170,243 | $261,749 | $182,517 | $305,167 |
| Cotters & cotter-pins, of iron/steel | $136,000 | $149,960 | $176,803 | $191,335 | $324,254 | $337,521 | $454,375 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $86,000 | $142,766 | $154,201 | $199,725 | $352,249 | $387,059 | $506,258 |
| Total | $6,455,000 | $6,144,907 | $8,161,772 | $11,644,274 | $10,351,447 | $11,746,150 | $14,235,319 |
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