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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $627 | $28,064 | $8,722 | $43,852 | $27,877 | $141,899 |
| Wood screws other than coach screws, of iron/steel | $42,235 | $60,454 | $62,342 | $75,550 | $149,855 | $125,108 |
| Screw hooks & screw rings, of iron/steel | $1,484 | $4,436 | $27,425 | $4,418 | $57,772 | $55,095 |
| Self-tapping screws of iron/steel | $22,914 | $14,405 | $39,869 | $52,119 | $79,992 | $89,246 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,356,556 | $2,995,089 | $5,498,490 | $7,353,352 | $8,151,772 | $10,757,229 |
| Nuts of iron/steel | $529,584 | $907,801 | $1,329,070 | $973,229 | $1,180,984 | $1,235,695 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $210,414 | $564,568 | $841,813 | $261,812 | $1,295,581 | $427,072 |
| Spring washers & oth. lock washers, of iron/steel | $11,094 | $24,657 | $43,502 | $58,600 | $28,156 | $50,785 |
| Washers (excl. of 7318.21) of iron/steel | $189,685 | $502,513 | $645,608 | $739,624 | $435,984 | $640,042 |
| Rivets of iron/steel | $13,941 | $78,470 | $125,854 | $85,178 | $130,528 | $104,803 |
| Cotters & cotter-pins, of iron/steel | $21,217 | $143,130 | $370,339 | $211,256 | $200,538 | $288,722 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $142,675 | $351,206 | $366,971 | $1,126,789 | $508,451 | $624,993 |
| Total | $2,542,426 | $5,674,793 | $9,360,005 | $10,985,779 | $12,247,490 | $14,540,689 |
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