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| Chapter | 2005 | 2006 | 2010 |
| Iron and steel | $4,114,735 | $7,009,982 | $16,917,341 |
| Articles of iron or steel | $1,034,836 | $914,027 | $1,265,234 |
| Copper and articles thereof | $76,568 | $292,075 | $2,513 |
| Aluminum and articles thereof | $30,503 | $22,541 | $152,940 |
| Lead and articles thereof | $6,865 | $2,598 | $14,410 |
| Other base metals; cermets; articles thereof | | | $2,513 |
| Tools, implements, cutlery, spoons and forks, of base metal | $3,672 | $1,010 | $21,629 |
| Miscellaneous articles of base metal | $2,559 | $2,216 | |
| Total | $5,269,738 | $8,244,449 | $18,376,580 |
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