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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $18,824 | $13,043 | $6,289 | $11,031 | $4,951 | $37,855 | $830,356 |
| Wood screws other than coach screws, of iron/steel | $298,705 | $313,857 | $564,693 | $464,041 | $269,390 | $182,479 | $535,890 |
| Screw hooks & screw rings, of iron/steel | $211 | $4,816 | $3,220 | $6,599 | $5,184 | $6,515 | $9,093 |
| Self-tapping screws of iron/steel | $14,823 | $45,340 | $80,444 | $76,961 | $252,265 | $329,195 | $100,785 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $973,050 | $608,502 | $911,733 | $429,974 | $355,295 | $439,136 | $1,631,590 |
| Nuts of iron/steel | $29,335 | $25,658 | $51,044 | $55,765 | $40,422 | $68,147 | $189,003 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $41,983 | $45,057 | $89,079 | $94,812 | $146,037 | $111,187 | $161,411 |
| Spring washers & oth. lock washers, of iron/steel | $2,100 | $30,522 | $4,542 | $2,244 | $14,597 | $120,787 | $544,927 |
| Washers (excl. of 7318.21) of iron/steel | $39,573 | $12,895 | $95,852 | $38,004 | $38,047 | $183,614 | $92,149 |
| Rivets of iron/steel | $2,709 | $64,890 | $89,784 | $3,472 | $5,387 | $19,086 | $6,493 |
| Cotters & cotter-pins, of iron/steel | $8,834 | $4,419 | $6,441 | $1,752 | $681 | $1,199 | $6,943 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $114,197 | $154,015 | $296,764 | $156,784 | $145,802 | $202,800 | $432,317 |
| Total | $1,544,344 | $1,323,014 | $2,199,885 | $1,341,439 | $1,278,058 | $1,702,000 | $4,540,957 |
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