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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $3,122,677 | $3,585,253 | $3,547,849 | $9,511,955 | $3,423,559 | $2,996,566 | $3,783,378 |
| Wood screws other than coach screws, of iron/steel | $413,689 | $532,515 | $1,250,180 | $973,857 | $1,535,621 | $1,855,655 | $841,341 |
| Screw hooks & screw rings, of iron/steel | $1,318,814 | $650,203 | $2,292,815 | $2,628,286 | $3,011,431 | $1,385,631 | $1,837,752 |
| Self-tapping screws of iron/steel | $11,148,883 | $12,497,898 | $15,953,789 | $18,519,700 | $15,590,274 | $31,652,270 | $17,494,727 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $111,835,370 | $138,698,914 | $174,878,491 | $168,290,948 | $162,813,590 | $198,283,147 | $219,986,396 |
| Nuts of iron/steel | $7,693,887 | $8,334,611 | $12,103,375 | $15,896,987 | $11,397,333 | $15,954,323 | $14,033,507 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $3,153,184 | $3,545,754 | $5,168,026 | $5,573,780 | $3,708,499 | $5,651,102 | $8,468,353 |
| Spring washers & oth. lock washers, of iron/steel | $1,435,600 | $1,245,521 | $1,233,150 | $1,354,921 | $1,169,137 | $1,481,626 | $1,803,407 |
| Washers (excl. of 7318.21) of iron/steel | $5,011,155 | $8,930,021 | $11,495,606 | $12,576,464 | $9,119,062 | $11,673,180 | $11,762,829 |
| Rivets of iron/steel | $7,238,322 | $5,344,710 | $8,364,341 | $10,196,077 | $10,383,577 | $14,738,768 | $13,620,801 |
| Cotters & cotter-pins, of iron/steel | $2,432,669 | $1,655,767 | $2,676,351 | $3,542,875 | $1,926,674 | $4,631,298 | $3,627,892 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,368,570 | $1,615,589 | $3,690,382 | $4,789,740 | $3,040,643 | $5,805,793 | $6,721,084 |
| Total | $157,172,820 | $186,636,756 | $242,654,355 | $253,855,590 | $227,119,400 | $296,109,359 | $303,981,467 |
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