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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $6,494 | $6,760 | $25,795 | $271,783 | $484,501 | $774,816 | $462,682 |
| Wood screws other than coach screws, of iron/steel | $266,857 | $392,940 | $532,883 | $628,132 | $557,096 | $427,064 | $558,952 |
| Screw hooks & screw rings, of iron/steel | $9,771 | $76,059 | $8,895 | $5,014 | $17,475 | $10,014 | $42,393 |
| Self-tapping screws of iron/steel | $188,323 | $269,737 | $525,338 | $694,519 | $397,065 | $464,411 | $809,100 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,879,480 | $3,844,227 | $3,752,421 | $8,048,984 | $4,748,288 | $6,320,420 | $8,436,657 |
| Nuts of iron/steel | $66,930 | $130,670 | $76,678 | $79,022 | $105,006 | $272,313 | $268,611 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $438,376 | $782,043 | $832,940 | $1,062,625 | $687,615 | $1,149,223 | $1,042,490 |
| Spring washers & oth. lock washers, of iron/steel | $39,197 | $58,467 | $18,225 | $61,943 | $6,613 | $46,108 | $40,822 |
| Washers (excl. of 7318.21) of iron/steel | $450,396 | $442,525 | $393,195 | $493,720 | $307,566 | $340,392 | $344,343 |
| Rivets of iron/steel | $3,151 | $5,449 | $4,566 | $60,345 | $1,741 | $1,712 | $3,421 |
| Cotters & cotter-pins, of iron/steel | $192,025 | $275,715 | $273,342 | $302,929 | $45,336 | $84,375 | $137,267 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $163,693 | $153,709 | $317,789 | $282,867 | $241,132 | $352,502 | $361,118 |
| Total | $4,704,693 | $6,438,301 | $6,762,067 | $11,991,883 | $7,599,434 | $10,243,350 | $12,507,856 |
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