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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $316,093 | $262,134 | $239,733 | $422,580 | $740,179 | $117,166 |
| Wood screws other than coach screws, of iron/steel | $70,536 | $54,897 | $108,608 | $146,518 | $172,599 | $140,654 |
| Screw hooks & screw rings, of iron/steel | $50,530 | $71,751 | $353,985 | $124,732 | $20,398 | $190,827 |
| Self-tapping screws of iron/steel | $21,151 | $35,706 | $11,650 | $45,184 | $47,340 | $19,043 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,637,357 | $1,993,515 | $2,885,299 | $3,251,078 | $3,102,888 | $3,678,419 |
| Nuts of iron/steel | $458,701 | $366,133 | $786,229 | $1,020,692 | $824,081 | $774,116 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $369,317 | $273,198 | $546,857 | $460,010 | $649,480 | $446,255 |
| Spring washers & oth. lock washers, of iron/steel | $67,533 | $25,688 | $59,042 | $74,617 | $32,695 | $100,573 |
| Washers (excl. of 7318.21) of iron/steel | $278,512 | $215,231 | $425,152 | $430,182 | $392,839 | $427,615 |
| Rivets of iron/steel | $123,448 | $71,137 | $137,543 | $61,099 | $77,912 | $59,950 |
| Cotters & cotter-pins, of iron/steel | $212,970 | $244,991 | $233,492 | $331,258 | $302,442 | $255,536 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $219,100 | $317,571 | $298,082 | $622,256 | $248,070 | $276,203 |
| Total | $3,825,248 | $3,931,952 | $6,085,672 | $6,990,206 | $6,610,923 | $6,486,357 |
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