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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $498,967 | $885,231 | $1,076,951 | $356,478 | $1,119,130 | $340,128 | $450,446 |
| Wood screws other than coach screws, of iron/steel | $2,765,722 | $3,014,284 | $3,737,470 | $5,476,778 | $2,135,332 | $2,278,182 | $3,079,779 |
| Screw hooks & screw rings, of iron/steel | $171,071 | $168,384 | $431,437 | $530,722 | $371,224 | $205,775 | $341,110 |
| Self-tapping screws of iron/steel | $3,869,355 | $4,850,394 | $6,366,447 | $5,820,665 | $2,593,214 | $3,135,127 | $3,947,565 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $11,241,416 | $13,596,544 | $17,165,702 | $21,880,504 | $12,954,726 | $14,564,757 | $26,823,441 |
| Nuts of iron/steel | $1,796,034 | $2,455,671 | $2,921,810 | $3,376,343 | $2,032,601 | $2,203,834 | $3,489,243 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $6,510,328 | $7,348,574 | $8,179,695 | $9,501,061 | $6,246,479 | $7,072,004 | $10,870,008 |
| Spring washers & oth. lock washers, of iron/steel | $274,498 | $397,440 | $567,144 | $625,260 | $265,770 | $430,591 | $971,078 |
| Washers (excl. of 7318.21) of iron/steel | $1,666,411 | $2,097,629 | $2,424,009 | $2,770,110 | $3,446,681 | $3,911,032 | $4,255,447 |
| Rivets of iron/steel | $365,931 | $420,873 | $364,651 | $473,994 | $253,051 | $424,626 | $908,449 |
| Cotters & cotter-pins, of iron/steel | $378,652 | $478,443 | $332,710 | $287,694 | $130,844 | $184,012 | $272,273 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,114,854 | $3,011,390 | $4,863,541 | $5,129,738 | $2,230,281 | $1,829,710 | $15,585,043 |
| Total | $31,653,239 | $38,724,857 | $48,431,567 | $56,229,347 | $33,779,333 | $36,579,778 | $70,993,882 |
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