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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $216,427 | $358,405 | $407,015 | $523,273 | $1,859,116 | $942,348 | $595,773 |
| Wood screws other than coach screws, of iron/steel | $3,138,269 | $3,881,988 | $5,122,040 | $5,552,617 | $3,595,161 | $3,599,475 | $4,064,464 |
| Screw hooks & screw rings, of iron/steel | $273,243 | $423,988 | $606,156 | $497,433 | $378,086 | $234,464 | $338,371 |
| Self-tapping screws of iron/steel | $6,253,252 | $7,121,764 | $8,606,132 | $9,854,376 | $7,810,885 | $7,558,165 | $8,925,191 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $21,693,475 | $22,508,660 | $33,505,468 | $40,862,457 | $28,237,824 | $30,409,829 | $34,929,749 |
| Nuts of iron/steel | $8,769,930 | $8,306,455 | $10,959,589 | $12,676,430 | $10,150,058 | $10,663,976 | $11,255,665 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,473,438 | $3,232,053 | $4,022,217 | $5,055,893 | $2,995,057 | $3,118,107 | $3,655,176 |
| Spring washers & oth. lock washers, of iron/steel | $1,517,018 | $1,336,298 | $1,742,142 | $1,897,842 | $1,154,086 | $1,516,581 | $1,880,389 |
| Washers (excl. of 7318.21) of iron/steel | $2,226,539 | $2,458,331 | $3,065,575 | $3,420,992 | $1,923,924 | $2,447,095 | $3,581,129 |
| Rivets of iron/steel | $1,608,533 | $1,735,870 | $2,230,695 | $2,508,562 | $2,131,117 | $2,129,212 | $1,985,932 |
| Cotters & cotter-pins, of iron/steel | $861,344 | $847,221 | $1,092,464 | $1,174,606 | $742,882 | $715,965 | $1,222,800 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $17,539,057 | $16,045,429 | $18,862,033 | $17,326,681 | $12,608,714 | $14,214,195 | $13,299,337 |
| Total | $66,570,525 | $68,256,462 | $90,221,526 | $101,351,162 | $73,586,910 | $77,549,412 | $85,733,976 |
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