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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $78,000 | $72,000 | $94,000 | $72,000 | $631,000 | $227,000 | $358,000 |
| Wood screws other than coach screws, of iron/steel | $821,000 | $631,000 | $707,000 | $826,000 | $1,341,000 | $1,409,000 | $2,631,000 |
| Screw hooks & screw rings, of iron/steel | $55,000 | $38,000 | $53,000 | $145,000 | $33,000 | $110,000 | $124,000 |
| Self-tapping screws of iron/steel | $2,989,000 | $2,512,000 | $3,318,000 | $3,041,000 | $1,991,000 | $3,093,000 | $3,673,000 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $38,546,000 | $41,658,000 | $58,135,000 | $57,911,000 | $43,100,000 | $53,368,000 | $72,459,000 |
| Nuts of iron/steel | $8,701,000 | $9,974,000 | $14,924,000 | $15,602,000 | $9,803,000 | $13,314,000 | $15,209,000 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $4,165,000 | $4,001,000 | $5,431,000 | $5,886,000 | $4,738,000 | $6,119,000 | $7,155,000 |
| Spring washers & oth. lock washers, of iron/steel | $1,292,000 | $1,034,000 | $1,330,000 | $1,641,000 | $1,017,000 | $1,580,000 | $1,749,000 |
| Washers (excl. of 7318.21) of iron/steel | $4,354,000 | $3,636,000 | $5,175,000 | $4,547,000 | $2,296,000 | $3,676,000 | $4,760,000 |
| Rivets of iron/steel | $1,558,000 | $1,716,000 | $4,849,000 | $2,602,000 | $1,560,000 | $1,888,000 | $1,829,000 |
| Cotters & cotter-pins, of iron/steel | $5,455,000 | $7,428,000 | $9,757,000 | $10,295,000 | $6,374,000 | $6,966,000 | $8,871,000 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $3,141,000 | $3,982,000 | $5,753,000 | $5,995,000 | $4,415,000 | $5,051,000 | $6,475,000 |
| Total | $71,155,000 | $76,682,000 | $109,526,000 | $108,563,000 | $77,299,000 | $96,801,000 | $125,293,000 |
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