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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $982 | | | | | $570,527 | |
| Wood screws other than coach screws, of iron/steel | $32,234 | | | $1,500 | | $28,211 | |
| Screw hooks & screw rings, of iron/steel | $3,212 | $8,312 | $382,013 | $1,486,164 | $2,445,658 | $4,929,610 | $10,038,900 |
| Self-tapping screws of iron/steel | $12,488 | $107,515 | $1,109,338 | $2,335,316 | $5,230,976 | $11,317,403 | $15,671,690 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,100,413 | $8,014,322 | $45,000,737 | $44,389,296 | $22,590,759 | $76,552,961 | $69,420,201 |
| Nuts of iron/steel | $3,724,216 | $24,438,073 | $23,270,430 | $18,965,800 | $12,050,187 | $18,171,925 | $13,968,350 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $251,410 | $1,609,463 | $1,340,618 | $674,454 | $956,104 | $309,078 | $806,457 |
| Spring washers & oth. lock washers, of iron/steel | | $36,230 | $1,189 | | | | |
| Washers (excl. of 7318.21) of iron/steel | $20,328 | $31,262 | $63,823 | $61,561 | $226,980 | $424,956 | $482,448 |
| Rivets of iron/steel | $848 | $55,911 | $1,208 | $20,543 | $1,071 | $6,820 | $9,415 |
| Cotters & cotter-pins, of iron/steel | | $73,473 | $230,119 | $413,347 | $317,561 | $602,287 | $338,196 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $318,134 | $108,266 | $216,080 | $3,314,391 | $1,557,821 | $859,358 | $2,727,843 |
| Total | $5,464,265 | $34,482,827 | $71,615,555 | $71,662,372 | $45,377,117 | $113,773,136 | $113,463,500 |
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