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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | | $347 | $1,887 | $735 | $24,278 | $57 |
| Wood screws other than coach screws, of iron/steel | $91 | | $471 | $1,245 | $209 | $23 |
| Screw hooks & screw rings, of iron/steel | $465 | $684 | $205 | $2,095 | $2,032 | $23,295 |
| Self-tapping screws of iron/steel | | $59 | $1,282 | $1,612 | $237 | $1,403 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $24,219 | $185,293 | $126,161 | $347,094 | $2,896,910 | $216,878 |
| Nuts of iron/steel | $905 | $179,564 | $34,370 | $33,435 | $134,610 | $51,383 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $305 | $7,417 | $33,047 | $30,426 | $33,062 | $27,469 |
| Spring washers & oth. lock washers, of iron/steel | $56 | $20 | $734 | $13,311 | $1,176 | $1,210 |
| Washers (excl. of 7318.21) of iron/steel | $225 | $1,212 | $7,957 | $50,390 | $828,132 | $59,876 |
| Rivets of iron/steel | | $50 | | $3 | $60 | |
| Cotters & cotter-pins, of iron/steel | | | $1 | $121 | $8 | $536 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $5,819 | $122 | $7,641 | $12,821 | $11,889 | $4,659 |
| Total | $32,085 | $374,768 | $213,756 | $493,288 | $3,932,603 | $386,789 |
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