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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron and steel | $5,464,368 | $8,836,489 | $9,618,589 | $15,669,002 | $9,377,793 | $9,073,517 |
| Articles of iron or steel | $12,118,158 | $15,327,048 | $13,864,597 | $23,217,534 | $16,047,066 | $16,161,872 |
| Copper and articles thereof | $278,767 | $406,221 | $496,685 | $652,594 | $368,971 | $443,800 |
| Nickel and articles thereof | $573 | $38 | $3,161 | $66 | $315 | $34 |
| Aluminum and articles thereof | $2,122,706 | $3,438,109 | $2,927,452 | $2,927,118 | $2,592,076 | $2,490,903 |
| Lead and articles thereof | $21,510 | $15,706 | $29,267 | $19,210 | $10,385 | $5,934 |
| Zinc and articles thereof | $1,461 | $1,930 | $6,248 | $2,902 | $4,230 | $1,514 |
| Tin and articles thereof | $2,009 | $16,831 | $169 | $2,079 | $3,456 | $117 |
| Other base metals; cermets; articles thereof | $24 | $21 | $69 | $166 | $37 | |
| Tools, implements, cutlery, spoons and forks, of base metal | $2,359,329 | $2,790,199 | $3,356,464 | $7,087,974 | $4,487,678 | $3,368,910 |
| Miscellaneous articles of base metal | $1,972,108 | $2,068,564 | $2,545,236 | $2,815,894 | $2,640,282 | $2,641,927 |
| Total | $24,341,013 | $32,901,156 | $32,847,937 | $52,394,539 | $35,532,289 | $34,188,528 |
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