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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $569,231 | $750,062 | $1,002,458 | $1,127,470 | $1,708,190 | $813,162 | $576,502 |
| Wood screws other than coach screws, of iron/steel | $148,527 | $251,600 | $483,573 | $193,673 | $540,439 | $269,042 | $122,592 |
| Screw hooks & screw rings, of iron/steel | $322,892 | $1,677,198 | $1,342,255 | $666,379 | $846,275 | $947,417 | $168,553 |
| Self-tapping screws of iron/steel | $137,931 | $212,870 | $1,262,398 | $262,029 | $552,304 | $188,239 | $200,398 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,951,991 | $3,318,762 | $3,937,009 | $5,332,495 | $5,434,275 | $5,800,841 | $5,145,264 |
| Nuts of iron/steel | $306,483 | $153,101 | $1,345,477 | $368,766 | $976,722 | $1,803,014 | $279,478 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,418,331 | $774,307 | $503,452 | $937,312 | $2,043,246 | $4,473,816 | $4,896,215 |
| Spring washers & oth. lock washers, of iron/steel | $180,956 | $839,416 | $2,437,350 | $1,718,316 | $4,310,544 | $5,729,543 | $3,405,569 |
| Washers (excl. of 7318.21) of iron/steel | $636,250 | $388,534 | $641,195 | $1,531,093 | $1,110,125 | $1,688,852 | $1,182,445 |
| Rivets of iron/steel | $116,765 | $130,782 | $247,159 | $106,202 | $183,230 | $229,308 | $160,557 |
| Cotters & cotter-pins, of iron/steel | $231,606 | $150,159 | $161,870 | $147,911 | $107,372 | $74,371 | $97,371 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,625,286 | $1,305,033 | $2,726,048 | $1,281,147 | $654,170 | $1,952,198 | $594,975 |
| Total | $8,646,249 | $9,951,824 | $16,090,244 | $13,672,793 | $18,466,892 | $23,969,803 | $16,829,919 |
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