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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $10,989,201 | $5,216,897 | $2,776,446 | $15,070,369 | $8,857,668 | $7,979,625 | $15,840,337 |
| Wood screws other than coach screws, of iron/steel | $4,452,794 | $4,892,718 | $7,369,412 | $10,378,175 | $8,419,747 | $12,016,855 | $12,624,235 |
| Screw hooks & screw rings, of iron/steel | $1,036,377 | $939,465 | $2,189,911 | $2,335,473 | $2,730,464 | $3,170,431 | $2,917,087 |
| Self-tapping screws of iron/steel | $17,098,682 | $16,693,427 | $14,326,681 | $15,956,060 | $11,896,562 | $13,928,462 | $15,420,542 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $97,356,075 | $128,278,898 | $188,735,329 | $205,964,609 | $171,518,377 | $191,265,989 | $212,310,609 |
| Nuts of iron/steel | $30,396,729 | $31,476,995 | $39,072,877 | $49,343,240 | $40,709,241 | $48,080,401 | $54,485,400 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $68,387,471 | $65,686,467 | $58,395,513 | $88,450,611 | $62,026,851 | $70,344,021 | $81,714,112 |
| Spring washers & oth. lock washers, of iron/steel | $3,558,607 | $2,628,479 | $3,801,769 | $5,231,467 | $4,199,953 | $4,667,387 | $5,481,787 |
| Washers (excl. of 7318.21) of iron/steel | $23,824,119 | $19,407,590 | $18,784,380 | $24,899,349 | $17,365,713 | $19,183,488 | $22,849,404 |
| Rivets of iron/steel | $596,380 | $869,847 | $1,651,429 | $2,639,344 | $1,500,136 | $2,850,230 | $3,022,802 |
| Cotters & cotter-pins, of iron/steel | $5,479,011 | $5,828,197 | $6,141,765 | $7,213,594 | $5,082,293 | $5,199,132 | $7,504,760 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $13,965,577 | $15,766,619 | $20,519,863 | $26,616,101 | $34,660,081 | $27,232,707 | $24,785,112 |
| Total | $277,141,023 | $297,685,599 | $363,765,375 | $454,098,392 | $368,967,086 | $405,918,728 | $458,956,187 |
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