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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron and steel | $1,607,842,996 | $2,322,701,530 | $2,718,878,449 | $2,748,893,567 | $942,247,483 | $3,345,640,713 |
| Articles of iron or steel | $1,374,103,356 | $3,044,411,877 | $4,481,703,275 | $1,295,393,619 | $1,624,381,606 | $3,721,744,392 |
| Copper and articles thereof | $826,439,748 | $1,612,365,923 | $1,842,287,609 | $1,947,801,368 | $1,022,710,874 | $2,089,741,014 |
| Nickel and articles thereof | $3,632,598 | $9,018,636 | $25,178,609 | | | $8,443,478 |
| Aluminum and articles thereof | $813,231,316 | $951,801,659 | $1,208,591,344 | $885,614,173 | $706,425,524 | $1,342,930,480 |
| Lead and articles thereof | $4,224,474 | $16,793,732 | $25,545,747 | $5,840,007 | $1,786,019 | $36,034,978 |
| Zinc and articles thereof | $72,291,597 | $173,037,415 | $279,321,755 | $84,278,505 | $33,190,562 | $153,762,859 |
| Tin and articles thereof | $3,583,374 | $3,467,129 | $6,858,819 | | $80,274 | $10,121,879 |
| Other base metals; cermets; articles thereof | $5,615,474 | $8,045,669 | $9,650,235 | $11,422,681 | | $11,001,082 |
| Tools, implements, cutlery, spoons and forks, of base metal | $145,845,803 | $164,867,005 | $214,203,637 | $17,362,688 | $11,885,813 | $256,296,854 |
| Miscellaneous articles of base metal | $206,297,075 | $237,541,300 | $327,376,090 | $2,441,603 | $657,656 | $426,126,669 |
| Total | $5,063,107,811 | $8,544,051,875 | $11,139,595,569 | $6,999,048,211 | $4,343,365,811 | $11,401,844,398 |
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