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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $3,945,072,663 | $3,433,501,730 | $4,895,728,553 | $6,300,293,643 | $5,130,989,085 | $6,870,253,232 | $9,063,167,886 |
| Articles of iron or steel | $1,171,384,440 | $2,002,788,645 | $3,070,493,357 | $3,553,875,004 | $2,813,498,692 | $2,992,749,890 | $4,257,028,959 |
| Copper and articles thereof | $816,533,446 | $1,027,225,118 | $1,366,878,279 | $1,449,969,979 | $1,023,493,700 | $1,623,442,840 | $2,597,545,619 |
| Nickel and articles thereof | $298,252,038 | $427,851,204 | $734,619,515 | $544,077,818 | $371,103,153 | $635,814,283 | $786,655,835 |
| Aluminum and articles thereof | $741,263,365 | $1,068,514,579 | $1,410,050,524 | $1,540,359,410 | $1,353,614,816 | $1,985,307,953 | $2,713,030,413 |
| Lead and articles thereof | $176,980,816 | $214,299,728 | $361,224,560 | $445,563,846 | $405,204,195 | $575,903,723 | $589,698,738 |
| Zinc and articles thereof | $246,271,207 | $541,151,852 | $375,058,324 | $204,543,600 | $225,107,206 | $272,532,894 | $259,540,098 |
| Tin and articles thereof | $44,831,505 | $46,904,673 | $83,749,558 | $113,067,715 | $88,647,787 | $144,297,433 | $188,862,479 |
| Other base metals; cermets; articles thereof | $64,795,151 | $83,138,519 | $106,058,169 | $143,144,975 | $135,799,414 | $134,158,039 | $175,133,987 |
| Tools, implements, cutlery, spoons and forks, of base metal | $271,271,605 | $308,429,782 | $463,040,018 | $545,848,494 | $399,883,069 | $590,918,617 | $724,147,326 |
| Miscellaneous articles of base metal | $135,394,458 | $178,734,898 | $241,484,751 | $319,399,889 | $306,557,332 | $442,252,923 | $560,949,615 |
| Total | $7,912,050,694 | $9,332,540,728 | $13,108,385,608 | $15,160,144,373 | $12,253,898,449 | $16,267,631,827 | $21,915,760,955 |
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