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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $1,146,860,462 | $1,498,858,224 | $1,866,595,988 | $2,104,413,578 | $899,400,773 | $897,720,588 | $1,059,484,367 |
| Articles of iron or steel | $628,952,483 | $700,863,842 | $934,906,140 | $1,089,808,769 | $793,724,351 | $547,243,528 | $528,641,046 |
| Copper and articles thereof | $526,058,621 | $1,022,188,411 | $1,135,736,372 | $1,240,189,495 | $464,605,899 | $579,957,506 | $669,896,366 |
| Nickel and articles thereof | $3,113,708 | $3,666,970 | $5,514,363 | $5,214,649 | $3,297,487 | $2,525,119 | $2,110,774 |
| Aluminum and articles thereof | $608,143,698 | $789,991,857 | $1,078,854,316 | $977,561,741 | $503,518,841 | $823,282,310 | $1,058,617,690 |
| Lead and articles thereof | $8,610,909 | $10,800,769 | $41,115,272 | $24,260,487 | $24,979,974 | $27,125,481 | $48,192,895 |
| Zinc and articles thereof | $32,053,940 | $65,380,033 | $223,448,511 | $69,605,673 | $44,616,300 | $54,114,632 | $30,299,023 |
| Tin and articles thereof | $6,927,397 | $4,644,068 | $7,259,887 | $7,933,148 | $2,780,551 | $4,478,817 | $7,284,969 |
| Other base metals; cermets; articles thereof | $14,171,684 | $11,973,254 | $15,416,566 | $17,046,648 | $10,146,823 | $12,625,867 | $13,045,488 |
| Tools, implements, cutlery, spoons and forks, of base metal | $206,909,533 | $216,746,132 | $262,567,004 | $280,374,629 | $207,443,245 | $164,360,046 | $150,845,481 |
| Miscellaneous articles of base metal | $239,737,661 | $269,602,997 | $330,478,650 | $383,909,272 | $279,738,968 | $246,274,754 | $220,549,616 |
| Total | $3,421,540,096 | $4,594,716,557 | $5,901,893,069 | $6,200,318,089 | $3,234,253,212 | $3,359,708,648 | $3,788,967,715 |
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