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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $3,281,237 | $4,317,746 | $13,693,896 | $8,947,539 | $4,900,839 | $3,561,374 |
| Wood screws other than coach screws, of iron/steel | $34,978,659 | $46,412,522 | $43,236,745 | $28,477,668 | $21,912,792 | $27,534,813 |
| Screw hooks & screw rings, of iron/steel | $1,177,164 | $1,768,461 | $1,764,626 | $1,820,732 | $1,380,497 | $2,778,486 |
| Self-tapping screws of iron/steel | $40,790,632 | $33,484,654 | $49,562,605 | $42,550,274 | $23,694,482 | $21,270,093 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $282,291,401 | $311,181,961 | $386,940,109 | $419,053,407 | $262,448,662 | $333,617,374 |
| Nuts of iron/steel | $76,779,516 | $82,097,385 | $95,973,749 | $104,824,882 | $65,859,586 | $91,360,564 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $57,285,662 | $92,964,964 | $99,415,907 | $106,588,898 | $72,626,669 | $85,632,590 |
| Spring washers & oth. lock washers, of iron/steel | $13,230,037 | $13,710,735 | $15,613,499 | $13,670,591 | $6,992,173 | $7,965,882 |
| Washers (excl. of 7318.21) of iron/steel | $190,086,094 | $95,638,635 | $125,571,452 | $303,145,568 | $32,684,253 | $27,250,233 |
| Rivets of iron/steel | $8,342,823 | $7,315,668 | $9,341,522 | $9,804,167 | $8,503,571 | $10,675,800 |
| Cotters & cotter-pins, of iron/steel | $6,030,667 | $7,155,042 | $13,171,476 | $10,196,351 | $8,125,057 | $7,683,526 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $33,847,858 | $36,338,905 | $43,143,737 | $45,368,641 | $37,192,389 | $34,213,951 |
| Total | $748,121,750 | $732,386,678 | $897,429,323 | $1,094,448,718 | $546,320,970 | $653,544,686 |
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