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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Coach screws of iron/steel | $4,552 | $1,209 | $735 | $19,924 | $25,093 |
| Wood screws other than coach screws, of iron/steel | | $2,534 | $236 | $19,870 | $12,158 |
| Screw hooks & screw rings, of iron/steel | $10,210 | $63,021 | $16,090 | $110,311 | $137,328 |
| Self-tapping screws of iron/steel | $920 | $3,191 | $3,055 | $178,432 | $170,313 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,166,326 | $2,317,593 | $1,128,711 | $9,869,700 | $20,924,782 |
| Nuts of iron/steel | $96,863 | $213,882 | $153,690 | $3,491,172 | $9,026,537 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $232,143 | $59,473 | $262,952 | $983,437 | $4,071,920 |
| Spring washers & oth. lock washers, of iron/steel | $131,935 | $9,535 | $1,714 | $39,333 | $50,955 |
| Washers (excl. of 7318.21) of iron/steel | $8,017,062 | $117,397 | $163,425 | $2,950,747 | $8,209,079 |
| Rivets of iron/steel | $3,359 | $5,801 | $362 | $13,519 | $153,134 |
| Cotters & cotter-pins, of iron/steel | $631,875 | $361,774 | $181,694 | $2,916,145 | $5,482,195 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $36,923 | $59,532 | $768,434 | $2,700,713 | $5,547,557 |
| Total | $10,332,168 | $3,214,942 | $2,681,098 | $23,293,303 | $53,811,051 |
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