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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $4,998 | $1,602 | $7,261 | $4,630 | $220,731 | $6,469 | $2,165 |
| Wood screws other than coach screws, of iron/steel | $26,020 | $33,786 | $49,593 | $35,188 | $252,802 | $64,838 | $90,281 |
| Screw hooks & screw rings, of iron/steel | $5,719 | $11,567 | $9,765 | $2,752 | $254,449 | $12,057 | $13,951 |
| Self-tapping screws of iron/steel | $7,177 | $4,931 | $7,364 | $12,406 | $330,751 | $7,913 | $16,922 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $501,710 | $435,744 | $503,235 | $801,556 | $1,526,830 | $924,140 | $1,304,854 |
| Nuts of iron/steel | $115,463 | $128,353 | $79,282 | $59,947 | $259,673 | $112,028 | $86,380 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $33,387 | $47,528 | $82,414 | $95,913 | $228,264 | $128,679 | $167,043 |
| Spring washers & oth. lock washers, of iron/steel | $6,039 | $9,425 | $34,177 | $7,434 | $10,347 | $6,780 | $2,878 |
| Washers (excl. of 7318.21) of iron/steel | $39,499 | $44,970 | $81,768 | $38,513 | $254,288 | $49,623 | $69,406 |
| Rivets of iron/steel | $4,139 | $4,055 | $3,513 | $3,980 | $12,820 | $35,011 | $12,767 |
| Cotters & cotter-pins, of iron/steel | $61,766 | $72,532 | $66,050 | $26,075 | $79,565 | $89,010 | $37,126 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $42,815 | $93,972 | $47,091 | $175,157 | $129,088 | $189,841 | $396,498 |
| Total | $848,732 | $888,465 | $971,513 | $1,263,551 | $3,559,608 | $1,626,389 | $2,200,271 |
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