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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $57,993 | $60,518 | $11,030 | $19,260 | $33,637 | $27,066 | $22,876 |
| Wood screws other than coach screws, of iron/steel | $155,567 | $194,728 | $212,431 | $368,859 | $339,028 | $523,761 | $966,824 |
| Screw hooks & screw rings, of iron/steel | $95,162 | $82,092 | $9,660 | $14,618 | $22,440 | $9,245 | $16,678 |
| Self-tapping screws of iron/steel | $180,471 | $138,339 | $260,776 | $468,915 | $326,013 | $364,644 | $536,517 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $719,359 | $759,852 | $1,338,878 | $1,907,876 | $1,426,430 | $1,523,343 | $1,599,056 |
| Nuts of iron/steel | $62,810 | $95,457 | $201,746 | $410,791 | $333,967 | $169,773 | $159,918 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $466,009 | $631,632 | $1,281,303 | $1,890,200 | $2,098,720 | $1,110,815 | $577,999 |
| Spring washers & oth. lock washers, of iron/steel | $2,341 | $11,809 | $38,385 | $6,737 | $3,782 | $12,049 | $12,521 |
| Washers (excl. of 7318.21) of iron/steel | $38,265 | $72,315 | $126,975 | $42,728 | $89,646 | $27,690 | $60,383 |
| Rivets of iron/steel | $27,017 | $27,289 | $38,385 | $62,348 | $65,750 | $32,449 | $29,585 |
| Cotters & cotter-pins, of iron/steel | $24,121 | $41,606 | $37,960 | $18,180 | $34,776 | $22,118 | $30,283 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $418,794 | $447,493 | $460,367 | $551,264 | $660,685 | $837,219 | $792,837 |
| Total | $2,247,909 | $2,563,130 | $4,017,896 | $5,761,776 | $5,434,874 | $4,660,172 | $4,805,477 |
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