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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $299,638 | $388,518 | $553,147 | $1,055,893 | $487,211 | $174,441 | $107,183 |
| Wood screws other than coach screws, of iron/steel | $354,079 | $489,652 | $562,699 | $596,438 | $473,955 | $461,899 | $606,478 |
| Screw hooks & screw rings, of iron/steel | $977,662 | $915,112 | $1,173,122 | $1,181,760 | $555,038 | $447,497 | $406,615 |
| Self-tapping screws of iron/steel | $930,056 | $1,633,657 | $2,185,841 | $3,375,504 | $2,180,697 | $4,417,483 | $3,323,195 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $64,493,830 | $80,557,700 | $119,261,902 | $144,343,848 | $117,098,038 | $181,080,225 | $184,235,459 |
| Nuts of iron/steel | $47,832,790 | $62,773,773 | $91,806,081 | $98,093,174 | $81,143,671 | $98,917,271 | $124,029,476 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $7,013,954 | $12,056,606 | $11,556,862 | $14,169,815 | $15,532,117 | $15,226,890 | $18,681,356 |
| Spring washers & oth. lock washers, of iron/steel | $2,531,615 | $4,322,145 | $5,657,677 | $6,199,792 | $4,494,731 | $6,833,338 | $8,406,093 |
| Washers (excl. of 7318.21) of iron/steel | $10,292,818 | $13,408,029 | $18,907,946 | $24,149,771 | $23,010,623 | $24,838,969 | $27,253,020 |
| Rivets of iron/steel | $4,638,394 | $5,852,444 | $6,936,275 | $7,645,177 | $6,128,161 | $6,128,030 | $7,478,341 |
| Cotters & cotter-pins, of iron/steel | $3,622,451 | $4,020,572 | $1,750,144 | $2,012,549 | $1,777,021 | $1,936,945 | $3,133,215 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $25,065,895 | $24,791,800 | $32,239,467 | $43,716,986 | $41,647,607 | $44,149,007 | $59,041,997 |
| Total | $168,053,182 | $211,210,008 | $292,591,163 | $346,540,707 | $294,528,870 | $384,611,995 | $436,702,428 |
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