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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $38,875 | $59,705 | $44,532 | $27,627 | $16,083 | $4,515 | $7,384 |
| Wood screws other than coach screws, of iron/steel | $89,710 | $118,234 | $118,304 | $67,948 | $43,901 | $52,127 | $128,119 |
| Screw hooks & screw rings, of iron/steel | $34,130 | $13,500 | $62,442 | $74,362 | $64,341 | $29,362 | $26,027 |
| Self-tapping screws of iron/steel | $246,533 | $335,568 | $324,473 | $276,919 | $241,257 | $233,575 | $242,392 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,389,096 | $3,130,557 | $3,024,384 | $2,534,848 | $2,870,514 | $2,384,418 | $3,048,643 |
| Nuts of iron/steel | $289,595 | $856,895 | | $185,315 | $293,636 | $176,323 | $280,920 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,000,209 | $1,123,344 | $3,085,350 | $789,236 | $578,066 | $515,112 | $654,050 |
| Spring washers & oth. lock washers, of iron/steel | $10,806 | $30,835 | $38,379 | $23,344 | $58,442 | $54,625 | $62,806 |
| Washers (excl. of 7318.21) of iron/steel | $100,275 | $120,820 | $102,277 | $85,742 | $101,657 | $361,404 | $113,051 |
| Rivets of iron/steel | $33,375 | $77,798 | $27,786 | $23,176 | $24,044 | $33,582 | $27,522 |
| Cotters & cotter-pins, of iron/steel | $26,654 | $16,201 | $11,525 | $7,718 | $23,007 | $91,672 | $113,937 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $568,926 | $975,206 | $569,429 | $910,942 | $774,757 | $744,034 | $523,767 |
| Total | $4,828,184 | $6,858,663 | $7,408,881 | $5,007,177 | $5,089,705 | $4,680,749 | $5,228,618 |
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