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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $91,232 | $262,257 | $222,363 | $543,777 | $113,929 | $176,262 | $192,170 |
| Wood screws other than coach screws, of iron/steel | $2,328,070 | $3,226,613 | $4,141,806 | $5,392,301 | $5,925,250 | $8,020,795 | $11,008,403 |
| Screw hooks & screw rings, of iron/steel | $238,306 | $128,149 | $204,806 | $690,636 | $544,771 | $356,963 | $736,311 |
| Self-tapping screws of iron/steel | $1,783,846 | $2,431,819 | $4,127,401 | $3,856,730 | $4,272,886 | $4,793,213 | $6,226,931 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $48,838,919 | $57,399,980 | $76,387,887 | $96,624,379 | $63,381,459 | $92,541,078 | $138,305,806 |
| Nuts of iron/steel | $8,298,489 | $9,736,599 | $15,425,796 | $20,888,547 | $14,240,717 | $16,813,734 | $24,289,289 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $6,418,521 | $10,578,490 | $13,314,119 | $18,715,135 | $20,681,887 | $20,150,209 | $22,137,217 |
| Spring washers & oth. lock washers, of iron/steel | $491,255 | $834,181 | $950,855 | $954,522 | $363,331 | $424,332 | $1,004,524 |
| Washers (excl. of 7318.21) of iron/steel | $9,013,422 | $11,812,629 | $18,246,149 | $21,018,854 | $8,773,332 | $14,885,437 | $22,270,363 |
| Rivets of iron/steel | $539,246 | $788,130 | $1,060,604 | $2,619,271 | $3,491,509 | $4,565,345 | $4,053,243 |
| Cotters & cotter-pins, of iron/steel | $4,271,105 | $4,180,387 | $5,957,407 | $9,238,231 | $5,815,725 | $7,316,277 | $8,135,675 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $7,902,100 | $11,677,807 | $17,801,962 | $21,116,601 | $15,804,118 | $23,722,128 | $27,939,193 |
| Total | $90,214,511 | $113,057,041 | $157,841,155 | $201,658,984 | $143,408,914 | $193,765,773 | $266,299,125 |
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