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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Coach screws of iron/steel | $193,409 | $284,955 | $308,573 | $256,488 | $646,283 |
| Wood screws other than coach screws, of iron/steel | $83,235 | $85,733 | $209,393 | $170,191 | $130,555 |
| Screw hooks & screw rings, of iron/steel | $35,585 | $42,895 | $20,754 | $105,167 | $55,921 |
| Self-tapping screws of iron/steel | $58,195 | $19,937 | $42,410 | $28,279 | $16,032 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,872,254 | $2,687,816 | $2,555,086 | $2,517,397 | $2,779,533 |
| Nuts of iron/steel | $596,143 | $590,227 | $788,848 | $737,101 | $964,961 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $691,045 | $722,244 | $491,831 | $1,004,825 | $1,026,011 |
| Spring washers & oth. lock washers, of iron/steel | $28,803 | $25,152 | $102,805 | $57,070 | $94,313 |
| Washers (excl. of 7318.21) of iron/steel | $96,947 | $256,593 | $279,041 | $317,863 | $354,676 |
| Rivets of iron/steel | $49,001 | $10,347 | $44,686 | $49,168 | $40,715 |
| Cotters & cotter-pins, of iron/steel | $207,991 | $201,908 | $189,788 | $324,971 | $364,516 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $97,835 | $201,844 | $364,963 | $329,750 | $432,827 |
| Total | $4,010,443 | $5,129,651 | $5,398,178 | $5,898,270 | $6,906,343 |
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