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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $6,275 | $22,584 | $4,318 | $3,940 | $2,942 | $4,023 | $13,470 |
| Wood screws other than coach screws, of iron/steel | $8,264 | $10,614 | $4,115 | $9,486 | $3,486 | $17,234 | $22,729 |
| Screw hooks & screw rings, of iron/steel | $15,741 | $30,330 | $20,840 | $22,700 | $8,758 | $21,934 | $12,741 |
| Self-tapping screws of iron/steel | $21,325 | $13,953 | $19,253 | $29,354 | $12,324 | $4,529 | $6,067 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $291,009 | $355,392 | $270,850 | $334,402 | $188,008 | $323,032 | $532,435 |
| Nuts of iron/steel | $27,403 | $38,279 | $17,842 | $7,752 | $6,098 | $14,789 | $42,198 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $52,107 | $26,281 | $33,796 | $28,419 | $12,471 | $19,237 | $42,093 |
| Spring washers & oth. lock washers, of iron/steel | $7,012 | $12,140 | $3,668 | $4,916 | $7,065 | $2,846 | $5,854 |
| Washers (excl. of 7318.21) of iron/steel | $46,097 | $49,336 | $16,197 | $24,151 | $26,510 | $54,082 | $65,952 |
| Rivets of iron/steel | $8,802 | $9,435 | $313 | $9,074 | $2,206 | $5,556 | $10,278 |
| Cotters & cotter-pins, of iron/steel | $2,985 | $2,768 | $6,139 | $2,434 | $925 | $2,782 | $3,468 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $45,186 | $9,519 | $2,780 | $3,512 | $8,463 | $6,034 | $9,690 |
| Total | $532,206 | $580,631 | $400,111 | $480,140 | $279,256 | $476,078 | $766,975 |
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