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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $6,705,357,514 | $8,424,731,224 | $10,875,651,746 | $15,404,206,413 | $7,065,272,984 | $9,948,357,177 | $12,159,407,682 |
| Articles of iron or steel | $1,596,012,985 | $2,050,994,549 | $2,561,830,948 | $3,143,026,520 | $1,800,566,589 | $1,757,457,595 | $2,524,177,540 |
| Copper and articles thereof | $168,327,829 | $302,304,708 | $344,357,803 | $304,608,401 | $176,960,345 | $266,621,934 | $253,804,989 |
| Nickel and articles thereof | $3,380,407 | $4,771,819 | $16,362,570 | $11,588,350 | $8,004,972 | $15,218,164 | $13,319,563 |
| Aluminum and articles thereof | $314,344,467 | $400,739,277 | $437,124,001 | $444,003,972 | $195,795,885 | $163,101,135 | $168,725,174 |
| Lead and articles thereof | $11,624,687 | $14,698,119 | $35,002,759 | $23,592,150 | $25,087,350 | $18,073,316 | $15,295,172 |
| Zinc and articles thereof | $61,355 | $79,132 | $157,034 | $25,782 | $222,017 | $144,321 | $10,979,277 |
| Tin and articles thereof | $2,232,014 | $63,517 | $6,431 | $15,080,086 | $75,817 | $124,668 | $587,535 |
| Other base metals; cermets; articles thereof | $36,609,546 | $33,753,706 | $51,572,751 | $49,272,982 | $32,809,778 | $46,584,044 | $62,445,013 |
| Tools, implements, cutlery, spoons and forks, of base metal | $27,779,926 | $24,856,446 | $39,094,392 | $42,148,510 | $23,998,400 | $27,730,209 | $27,276,555 |
| Miscellaneous articles of base metal | $47,082,081 | $71,338,455 | $81,391,604 | $93,930,824 | $91,632,271 | $106,152,584 | $126,770,662 |
| Total | $8,912,812,811 | $11,328,330,952 | $14,442,552,039 | $19,531,483,990 | $9,420,426,408 | $12,349,565,147 | $15,362,789,162 |
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