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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $220,847 | $234,165 | $267,001 | $566,886 | $695,333 | $508,138 | $362,800 |
| Wood screws other than coach screws, of iron/steel | $116,796 | $230,983 | $471,175 | $665,723 | $523,962 | $842,413 | $1,109,376 |
| Screw hooks & screw rings, of iron/steel | $51,455 | $50,277 | $82,584 | $43,689 | $54,315 | $113,897 | $99,566 |
| Self-tapping screws of iron/steel | $255,413 | $576,297 | $852,998 | $1,336,397 | $764,613 | $981,786 | $994,681 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $14,597,430 | $16,496,110 | $22,139,038 | $34,785,539 | $24,585,060 | $30,697,991 | $39,771,619 |
| Nuts of iron/steel | $4,380,230 | $5,635,752 | $6,121,005 | $10,184,020 | $6,748,642 | $9,192,928 | $13,425,328 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $737,725 | $1,084,236 | $1,069,849 | $2,947,043 | $1,880,911 | $2,482,462 | $4,225,921 |
| Spring washers & oth. lock washers, of iron/steel | $550,862 | $735,713 | $872,752 | $918,244 | $959,219 | $1,107,579 | $1,266,270 |
| Washers (excl. of 7318.21) of iron/steel | $2,045,957 | $2,475,334 | $3,356,024 | $4,569,535 | $5,192,593 | $4,422,571 | $6,208,739 |
| Rivets of iron/steel | $183,828 | $238,123 | $299,420 | $478,519 | $313,461 | $498,401 | $437,704 |
| Cotters & cotter-pins, of iron/steel | $4,514,133 | $5,627,847 | $6,815,303 | $9,789,695 | $7,898,395 | $11,863,215 | $13,203,837 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,183,526 | $1,856,747 | $1,995,909 | $2,279,648 | $2,726,877 | $3,346,498 | $3,870,742 |
| Total | $28,838,202 | $35,241,584 | $44,343,058 | $68,564,938 | $52,343,381 | $66,057,879 | $84,976,583 |
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