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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $37,355 | $5,034 | $12,323 | $48,996 | $130,953 | $2,581 | $78,948 |
| Wood screws other than coach screws, of iron/steel | $77,357 | $76,480 | $117,228 | $70,845 | $93,720 | $48,747 | $46,347 |
| Screw hooks & screw rings, of iron/steel | $8,065 | $19,575 | $44,361 | $23,683 | $40,084 | $18,996 | $56,168 |
| Self-tapping screws of iron/steel | $23,822 | $29,728 | $19,172 | $33,516 | $19,814 | $8,359 | $5,759 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,914,204 | $1,770,036 | $2,115,942 | $2,880,868 | $2,783,525 | $2,213,105 | $2,296,218 |
| Nuts of iron/steel | $185,500 | $154,159 | $256,528 | $203,776 | $229,644 | $321,801 | $251,102 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $368,236 | $215,937 | $505,166 | $562,196 | $323,558 | $245,881 | $314,773 |
| Spring washers & oth. lock washers, of iron/steel | $11,367 | $17,394 | $13,887 | $14,853 | $64,477 | $71,556 | $58,765 |
| Washers (excl. of 7318.21) of iron/steel | $92,104 | $76,761 | $131,849 | $131,764 | $112,186 | $90,150 | $186,808 |
| Rivets of iron/steel | $54,077 | $11,925 | $26,611 | $65,001 | $39,932 | $65,011 | $30,448 |
| Cotters & cotter-pins, of iron/steel | $88,986 | $63,158 | $124,665 | $129,581 | $178,389 | $110,846 | $145,437 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $124,407 | $138,851 | $364,213 | $368,071 | $407,583 | $254,347 | $334,836 |
| Total | $2,985,480 | $2,579,038 | $3,731,945 | $4,533,150 | $4,423,865 | $3,451,380 | $3,805,609 |
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