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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $27,352 | $29,584 | $19,016 | $426,992 | $11,492 | $9,348 | $223,738 |
| Wood screws other than coach screws, of iron/steel | $245,769 | $241,026 | $65,063 | $152,378 | $97,464 | $198,733 | $236,488 |
| Screw hooks & screw rings, of iron/steel | $149,953 | $123,662 | $199,892 | $374,170 | $218,761 | $165,984 | $577,175 |
| Self-tapping screws of iron/steel | $10,688,515 | $8,288,041 | $7,297,454 | $7,605,738 | $4,375,838 | $7,313,150 | $9,273,093 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $87,728,247 | $101,814,366 | $135,486,194 | $174,730,658 | $163,336,695 | $200,061,656 | $306,347,667 |
| Nuts of iron/steel | $44,347,334 | $44,938,906 | $48,580,031 | $57,843,986 | $43,995,813 | $65,108,285 | $106,875,680 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,982,142 | $2,147,886 | $3,187,325 | $3,884,931 | $3,124,337 | $3,525,507 | $6,386,134 |
| Spring washers & oth. lock washers, of iron/steel | $1,698,566 | $2,560,688 | $2,816,008 | $1,706,632 | $784,725 | $1,927,837 | $3,228,630 |
| Washers (excl. of 7318.21) of iron/steel | $7,859,329 | $7,189,269 | $4,556,751 | $4,792,458 | $4,299,373 | $6,623,229 | $9,559,665 |
| Rivets of iron/steel | $11,329,185 | $10,911,190 | $13,421,298 | $14,248,232 | $13,463,213 | $17,717,088 | $20,766,776 |
| Cotters & cotter-pins, of iron/steel | $86,351 | $221,701 | $131,024 | $478,027 | $391,471 | $474,240 | $669,703 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $9,984,635 | $6,701,767 | $7,054,647 | $9,739,681 | $9,641,877 | $18,762,871 | $20,591,865 |
| Total | $177,127,378 | $185,168,086 | $222,814,703 | $275,983,883 | $243,741,059 | $321,887,928 | $484,736,614 |
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