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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $4,923 | $325,680 | $16,219 | $12,252 | $8,670 | $947 |
| Wood screws other than coach screws, of iron/steel | $103,595 | $95,737 | $96,935 | $53,831 | $58,283 | $102,628 |
| Screw hooks & screw rings, of iron/steel | $28,535 | $32,555 | $26,872 | $57,819 | $29,887 | $25,865 |
| Self-tapping screws of iron/steel | $255,828 | $158,160 | $167,606 | $100,063 | $96,592 | $69,088 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,776,087 | $4,401,473 | $4,889,399 | $5,687,967 | $3,070,392 | $3,177,563 |
| Nuts of iron/steel | $710,819 | $928,549 | $1,123,091 | $868,562 | $608,336 | $790,425 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $218,634 | $605,256 | $822,938 | $428,965 | $480,516 | $511,571 |
| Spring washers & oth. lock washers, of iron/steel | $30,648 | $61,263 | $75,756 | $44,542 | $29,583 | $33,481 |
| Washers (excl. of 7318.21) of iron/steel | $360,039 | $545,867 | $497,421 | $371,142 | $297,627 | $250,108 |
| Rivets of iron/steel | $93,207 | $69,689 | $106,721 | $91,485 | $41,827 | $50,340 |
| Cotters & cotter-pins, of iron/steel | $130,102 | $82,282 | $120,649 | $84,130 | $47,407 | $49,875 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $986,859 | $925,542 | $863,000 | $731,314 | $567,704 | $606,980 |
| Total | $6,699,276 | $8,232,053 | $8,806,607 | $8,532,072 | $5,336,824 | $5,668,871 |
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