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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $410,911,684 | $583,830,167 | $794,967,715 | $981,552,556 | $669,156,550 | $828,217,296 | $971,941,353 |
| Articles of iron or steel | $560,863,479 | $586,634,425 | $676,945,309 | $803,843,837 | $672,916,563 | $732,398,851 | $695,376,661 |
| Copper and articles thereof | $1,523,899,187 | $2,525,202,497 | $2,856,130,481 | $3,059,961,630 | $2,133,164,617 | $3,062,388,404 | $4,078,120,771 |
| Nickel and articles thereof | $494,638,865 | $950,474,375 | $1,526,855,098 | $862,286,747 | $622,371,770 | $740,341,102 | $858,546,348 |
| Aluminum and articles thereof | $3,626,251,264 | $4,772,028,357 | $5,217,694,805 | $5,192,120,861 | $3,443,233,551 | $4,339,012,135 | $4,890,153,480 |
| Lead and articles thereof | $438,470,188 | $478,377,821 | $928,515,895 | $971,688,053 | $680,249,382 | $745,712,914 | $952,353,702 |
| Zinc and articles thereof | $611,638,402 | $1,081,267,456 | $1,416,688,154 | $881,515,857 | $700,318,485 | $843,452,189 | $943,765,052 |
| Tin and articles thereof | $25,493,936 | $20,401,697 | $15,529,422 | $11,342,544 | $8,642,143 | $12,028,740 | $14,940,896 |
| Other base metals; cermets; articles thereof | $7,800,596 | $7,401,652 | $4,512,218 | $9,530,040 | $6,279,933 | $5,320,152 | $4,939,114 |
| Tools, implements, cutlery, spoons and forks, of base metal | $73,634,013 | $90,281,601 | $102,273,177 | $125,998,916 | $104,937,096 | $122,670,614 | $151,645,125 |
| Miscellaneous articles of base metal | $93,876,263 | $102,479,156 | $123,266,492 | $103,382,769 | $88,897,190 | $99,719,953 | $103,218,246 |
| Total | $7,867,477,877 | $11,198,379,204 | $13,663,378,766 | $13,003,223,810 | $9,130,167,280 | $11,531,262,350 | $13,665,000,748 |
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