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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $138,180 | $109,674 | $405,146 | $2,697,915 | $2,370,946 | $2,185,525 | $1,745,396 |
| Articles of iron or steel | $203,143 | $136,555 | $1,355,642 | $183,285 | $1,300,655 | $521,857 | $1,260,537 |
| Copper and articles thereof | $1,005 | $702 | $11,202 | $2,358 | $2,613 | $132 | $330,741 |
| Nickel and articles thereof | | | | | $13,045 | | |
| Aluminum and articles thereof | $123,541 | $131,419 | $169,559 | $85,699 | $2,369,679 | $272,786 | $31,082 |
| Lead and articles thereof | | | | | | | $112 |
| Tin and articles thereof | | $480 | | | | $20 | |
| Other base metals; cermets; articles thereof | | $5 | | | $330,152 | | $538 |
| Tools, implements, cutlery, spoons and forks, of base metal | $10,165 | $34,088 | $90,157 | $74,002 | $226,090 | $224,640 | $127,200 |
| Miscellaneous articles of base metal | $200 | $9,252 | $376,011 | $151,237 | $3,861 | $21,528 | $6,404 |
| Total | $476,234 | $422,175 | $2,407,717 | $3,194,496 | $6,617,041 | $3,226,488 | $3,502,010 |
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