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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $154,121 | $239,638 | $330,493 | $520,491 | $477,461 | $285,784 | $333,560 |
| Wood screws other than coach screws, of iron/steel | $182,559 | $234,348 | $218,818 | $275,485 | $264,196 | $333,945 | $341,093 |
| Screw hooks & screw rings, of iron/steel | $118,554 | $97,603 | $118,446 | $211,351 | $143,132 | $191,037 | $190,773 |
| Self-tapping screws of iron/steel | $129,638 | $179,083 | $246,353 | $332,486 | $268,938 | $327,929 | $403,899 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $18,087,588 | $20,023,260 | $30,841,906 | $37,528,229 | $26,104,603 | $34,027,592 | $44,408,970 |
| Nuts of iron/steel | $2,300,956 | $2,951,129 | $3,201,804 | $4,187,424 | $4,655,907 | $4,678,112 | $5,806,397 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $4,562,060 | $5,395,569 | $6,525,748 | $10,817,828 | $4,228,274 | $7,487,977 | $8,990,851 |
| Spring washers & oth. lock washers, of iron/steel | $330,438 | $410,987 | $476,625 | $294,406 | $255,295 | $390,592 | $1,040,380 |
| Washers (excl. of 7318.21) of iron/steel | $882,359 | $1,531,835 | $2,095,828 | $3,378,116 | $1,777,825 | $2,956,108 | $4,521,521 |
| Rivets of iron/steel | $689,922 | $247,540 | $601,226 | $425,722 | $430,564 | $450,012 | $653,523 |
| Cotters & cotter-pins, of iron/steel | $497,350 | $282,275 | $277,592 | $482,438 | $528,892 | $1,042,903 | $551,543 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,200,260 | $2,430,922 | $2,716,019 | $1,678,623 | $3,316,039 | $3,584,450 | $5,661,278 |
| Total | $30,135,805 | $34,024,189 | $47,650,858 | $60,132,599 | $42,451,126 | $55,756,441 | $72,903,788 |
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