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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $195,947 | $91,463 | $174,490 | $390,452 | $255,126 | $319,807 | $655,749 |
| Wood screws other than coach screws, of iron/steel | $2,680,287 | $2,560,432 | $3,164,611 | $2,615,372 | $1,938,381 | $3,037,730 | $3,969,416 |
| Screw hooks & screw rings, of iron/steel | $100,011 | $119,129 | $105,110 | $153,456 | $110,457 | $250,708 | $249,503 |
| Self-tapping screws of iron/steel | $3,824,650 | $4,834,879 | $8,271,247 | $6,047,389 | $2,728,086 | $3,624,584 | $4,515,232 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $14,347,733 | $15,692,809 | $18,975,981 | $19,090,231 | $8,214,749 | $10,949,664 | $16,133,062 |
| Nuts of iron/steel | $1,358,950 | $2,227,397 | $2,637,705 | $3,070,998 | $1,277,855 | $1,937,997 | $2,347,836 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,402,580 | $1,831,797 | $1,016,659 | $1,016,045 | $657,197 | $1,225,590 | $1,096,137 |
| Spring washers & oth. lock washers, of iron/steel | $365,438 | $631,784 | $1,196,379 | $756,767 | $354,291 | $721,575 | $688,253 |
| Washers (excl. of 7318.21) of iron/steel | $1,263,861 | $3,921,128 | $4,701,858 | $4,294,614 | $2,812,883 | $1,954,245 | $2,575,099 |
| Rivets of iron/steel | $709,572 | $689,926 | $683,400 | $725,660 | $482,820 | $402,312 | $596,256 |
| Cotters & cotter-pins, of iron/steel | $514,163 | $615,943 | $1,049,082 | $614,994 | $355,641 | $476,290 | $545,032 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,182,755 | $4,329,613 | $5,135,478 | $5,174,467 | $2,397,212 | $3,174,278 | $3,580,076 |
| Total | $28,945,947 | $37,546,300 | $47,112,000 | $43,950,445 | $21,584,698 | $28,074,780 | $36,951,651 |
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