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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $20,691 | $23,749 | $52,002 | $30,035 | $26,434 | $59,675 |
| Wood screws other than coach screws, of iron/steel | $173,272 | $16,269 | $21,036 | $24,672 | $27,068 | $37,762 |
| Screw hooks & screw rings, of iron/steel | $16,034 | $24,771 | $21,035 | $99,590 | $101,453 | $166,253 |
| Self-tapping screws of iron/steel | $22,250 | $4,043 | $87,933 | $39,536 | $42,026 | $87,012 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,993,747 | $5,140,372 | $6,561,405 | $6,878,454 | $5,655,947 | $7,881,581 |
| Nuts of iron/steel | $627,149 | $848,732 | $1,318,907 | $1,071,510 | $866,378 | $796,355 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $634,552 | $480,074 | $2,127,769 | $3,147,617 | $835,392 | $1,077,230 |
| Spring washers & oth. lock washers, of iron/steel | $24,704 | $110,968 | $164,785 | $194,585 | $16,270 | $65,776 |
| Washers (excl. of 7318.21) of iron/steel | $293,326 | $445,702 | $723,645 | $1,074,088 | $394,827 | $953,002 |
| Rivets of iron/steel | $32,350 | $30,084 | $46,811 | $75,054 | $72,669 | $58,149 |
| Cotters & cotter-pins, of iron/steel | $68,407 | $95,475 | $45,184 | $77,787 | $36,803 | $153,826 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $352,681 | $1,227,030 | $705,021 | $430,689 | $280,570 | $825,988 |
| Total | $6,259,163 | $8,447,269 | $11,875,533 | $13,143,617 | $8,355,837 | $12,162,609 |
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