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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $42,901 | $66,805 | $67,691 | $89,439 | $165,492 | $123,378 | $170,313 |
| Wood screws other than coach screws, of iron/steel | $542,247 | $486,265 | $465,983 | $516,174 | $749,607 | $1,364,455 | $1,554,764 |
| Screw hooks & screw rings, of iron/steel | $180,478 | $166,921 | $170,543 | $201,584 | $115,416 | $284,299 | $217,221 |
| Self-tapping screws of iron/steel | $873,466 | $786,784 | $1,059,564 | $1,356,881 | $1,224,935 | $1,523,192 | $2,424,039 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $15,008,978 | $19,882,035 | $27,672,287 | $33,686,940 | $22,409,194 | $31,570,982 | $48,002,764 |
| Nuts of iron/steel | $5,751,954 | $7,099,738 | $9,118,053 | $10,890,094 | $7,582,845 | $11,100,115 | $16,159,878 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,250,068 | $1,558,869 | $2,366,432 | $2,969,749 | $2,212,814 | $3,285,227 | $4,951,115 |
| Spring washers & oth. lock washers, of iron/steel | $743,950 | $800,129 | $1,190,225 | $1,501,631 | $819,007 | $1,078,511 | $1,575,590 |
| Washers (excl. of 7318.21) of iron/steel | $1,954,679 | $2,424,525 | $3,048,170 | $3,717,129 | $3,477,019 | $4,310,444 | $5,565,193 |
| Rivets of iron/steel | $516,664 | $469,407 | $840,108 | $693,158 | $475,404 | $567,181 | $714,609 |
| Cotters & cotter-pins, of iron/steel | $4,740,837 | $4,879,898 | $5,897,496 | $7,901,425 | $10,982,833 | $12,659,671 | $15,138,703 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,361,332 | $1,769,656 | $3,000,854 | $3,978,158 | $3,905,099 | $4,652,322 | $6,461,883 |
| Total | $32,967,554 | $40,391,032 | $54,897,406 | $67,502,362 | $54,119,665 | $72,519,777 | $102,936,072 |
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