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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $539,008 | $344,517 | $404,906 | $898,734 | $470,414 | $407,368 |
| Wood screws other than coach screws, of iron/steel | $495,778 | $468,049 | $636,544 | $880,622 | $709,831 | $1,763,186 |
| Screw hooks & screw rings, of iron/steel | $802,833 | $307,900 | $496,462 | $441,021 | $328,066 | $372,376 |
| Self-tapping screws of iron/steel | $647,908 | $832,670 | $1,055,913 | $1,156,436 | $1,185,592 | $1,311,376 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $8,355,813 | $8,771,192 | $12,714,332 | $15,035,398 | $13,233,757 | $14,416,281 |
| Nuts of iron/steel | $2,215,392 | $2,440,901 | $2,975,274 | $3,372,524 | $3,065,211 | $3,875,741 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,117,371 | $1,940,520 | $3,914,917 | $10,025,244 | $4,354,077 | $3,701,447 |
| Spring washers & oth. lock washers, of iron/steel | $152,602 | $152,108 | $444,375 | $246,821 | $347,124 | $200,689 |
| Washers (excl. of 7318.21) of iron/steel | $924,848 | $1,028,369 | $1,112,726 | $2,051,303 | $1,297,507 | $1,742,364 |
| Rivets of iron/steel | $383,400 | $473,294 | $932,595 | $539,655 | $808,886 | $695,230 |
| Cotters & cotter-pins, of iron/steel | $619,470 | $807,161 | $966,711 | $1,309,160 | $1,095,744 | $1,223,468 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $922,753 | $1,771,623 | $1,979,878 | $3,167,553 | $5,004,235 | $4,984,888 |
| Total | $18,177,176 | $19,338,304 | $27,634,633 | $39,124,471 | $31,900,444 | $34,694,414 |
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