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| Chapter | 2005 | 2006 | 2007 | 2008 |
| Iron and steel | $708,655 | $19,177 | $65,230 | |
| Articles of iron or steel | $707,424 | $18,348 | $56,200 | $742,510 |
| Copper and articles thereof | $6,107 | | | $8,990 |
| Aluminum and articles thereof | $3,058 | | $2,777 | $90,417 |
| Tin and articles thereof | $25,644 | $17,393 | | |
| Tools, implements, cutlery, spoons and forks, of base metal | | $3,292 | $83,826 | $53,573 |
| Miscellaneous articles of base metal | $415,298 | $439 | $2,186 | $541 |
| Total | $1,866,186 | $58,649 | $210,219 | $896,031 |
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