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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $214,171 | $282,991 | $185,298 | $429,843 | $494,390 | $422,584 | $793,208 |
| Wood screws other than coach screws, of iron/steel | $184,776 | $199,672 | $212,879 | $438,982 | $218,937 | $410,601 | $605,122 |
| Screw hooks & screw rings, of iron/steel | $7,628 | $11,943 | $2,094 | $12,166 | $11,234 | $15,550 | $22,299 |
| Self-tapping screws of iron/steel | $77,572 | $111,074 | $225,850 | $477,647 | $286,927 | $560,111 | $958,865 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,197,144 | $2,470,698 | $3,281,302 | $5,857,557 | $3,899,874 | $6,267,693 | $8,065,430 |
| Nuts of iron/steel | $467,566 | $524,270 | $670,245 | $1,209,358 | $781,428 | $1,213,478 | $1,815,644 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $397,224 | $464,923 | $601,470 | $1,207,402 | $910,786 | $1,294,512 | $1,797,125 |
| Spring washers & oth. lock washers, of iron/steel | $59,690 | $82,599 | $139,100 | $239,667 | $216,415 | $251,230 | $305,560 |
| Washers (excl. of 7318.21) of iron/steel | $185,963 | $243,182 | $374,686 | $610,781 | $479,270 | $654,164 | $832,967 |
| Rivets of iron/steel | $40,878 | $68,797 | $90,271 | $153,253 | $74,416 | $103,808 | $133,699 |
| Cotters & cotter-pins, of iron/steel | $77,983 | $192,644 | $209,299 | $408,987 | $240,169 | $131,256 | $159,377 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $148,312 | $343,745 | $766,504 | $1,630,837 | $351,441 | $533,757 | $794,689 |
| Total | $4,058,907 | $4,996,538 | $6,758,998 | $12,676,480 | $7,965,287 | $11,858,744 | $16,283,985 |
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