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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $72,524 | $186,298 | $145,928 | $111,134 | $174,253 | $107,373 | $173,833 |
| Wood screws other than coach screws, of iron/steel | $15,521 | $50,375 | $69,539 | $98,216 | $99,719 | $418,322 | $157,810 |
| Screw hooks & screw rings, of iron/steel | $7,181 | $6,267 | $47,653 | $8,403 | $7,829 | $51,583 | $11,311 |
| Self-tapping screws of iron/steel | $32,732 | $77,051 | $93,619 | $92,084 | $55,035 | $96,031 | $98,533 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,807,261 | $3,268,444 | $3,496,217 | $3,954,408 | $2,876,046 | $3,679,408 | $3,163,547 |
| Nuts of iron/steel | $581,087 | $340,623 | $310,913 | $495,698 | $302,900 | $393,564 | $529,681 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $50,203 | $50,507 | $38,044 | $139,015 | $51,668 | $82,509 | $195,776 |
| Spring washers & oth. lock washers, of iron/steel | $171,409 | $68,193 | $34,570 | $16,754 | $24,974 | $18,816 | $17,174 |
| Washers (excl. of 7318.21) of iron/steel | $180,518 | $248,495 | $215,014 | $253,661 | $307,643 | $531,837 | $437,096 |
| Rivets of iron/steel | $113,974 | $184,693 | $358,439 | $432,132 | $218,610 | $528,739 | $410,974 |
| Cotters & cotter-pins, of iron/steel | $30,945 | $106,141 | $34,790 | $12,777 | $6,835 | $10,854 | $24,338 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $600,243 | $1,423,056 | $461,974 | $459,906 | $583,210 | $481,170 | $630,598 |
| Total | $4,663,598 | $6,010,143 | $5,306,700 | $6,074,188 | $4,708,722 | $6,400,206 | $5,850,671 |
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