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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,161,000 | $1,084,000 | $1,205,000 | $941,000 | $1,126,000 | $876,000 | $951,000 |
| Wood screws other than coach screws, of iron/steel | $6,118,000 | $5,898,000 | $6,993,000 | $7,162,000 | $4,850,000 | $4,783,000 | $6,200,000 |
| Screw hooks & screw rings, of iron/steel | $658,000 | $896,000 | $731,000 | $820,000 | $936,000 | $679,000 | $805,000 |
| Self-tapping screws of iron/steel | $17,789,000 | $18,600,000 | $17,281,000 | $18,637,000 | $11,806,000 | $11,860,000 | $14,824,000 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $120,379,000 | $180,806,000 | $188,575,000 | $202,236,000 | $132,139,000 | $151,061,000 | $195,452,000 |
| Nuts of iron/steel | $22,061,000 | $24,293,000 | $33,172,000 | $37,829,000 | $24,380,000 | $37,247,000 | $38,845,000 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $13,936,000 | $14,866,000 | $21,917,000 | $19,296,000 | $18,821,000 | $22,294,000 | $30,985,000 |
| Spring washers & oth. lock washers, of iron/steel | $8,135,000 | $15,223,000 | $16,804,000 | $21,034,000 | $18,422,000 | $26,659,000 | $33,529,000 |
| Washers (excl. of 7318.21) of iron/steel | $23,505,000 | $31,235,000 | $43,075,000 | $45,090,000 | $25,196,000 | $33,650,000 | $42,820,000 |
| Rivets of iron/steel | $9,277,000 | $12,056,000 | $18,147,000 | $18,420,000 | $10,557,000 | $12,809,000 | $14,687,000 |
| Cotters & cotter-pins, of iron/steel | $1,971,000 | $2,336,000 | $2,766,000 | $3,088,000 | $4,946,000 | $6,345,000 | $8,128,000 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $33,551,000 | $48,992,000 | $50,195,000 | $42,833,000 | $34,651,000 | $43,217,000 | $54,822,000 |
| Total | $258,541,000 | $356,285,000 | $400,861,000 | $417,386,000 | $287,830,000 | $351,480,000 | $442,048,000 |
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