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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $3,508,610 | $2,582,485 | $10,952,544 | $21,826,325 | $11,267,211 | $16,402,810 | $18,104,269 |
| Articles of iron or steel | $3,440,190 | $2,201,925 | $7,570,437 | $9,192,389 | $6,338,621 | $5,853,182 | $3,687,128 |
| Copper and articles thereof | $2,213,870 | $5,708,346 | $8,555,737 | $8,106,430 | $2,543,697 | $9,090,030 | $8,650,989 |
| Nickel and articles thereof | | | $581,079 | $584,479 | | $1 | |
| Aluminum and articles thereof | $2,231,750 | $3,259,988 | $4,475,811 | $3,594,686 | $1,353,623 | $3,579,224 | $3,079,301 |
| Lead and articles thereof | $1,400 | $14,029 | $43,691 | $36,541 | $360,721 | | |
| Zinc and articles thereof | $48,600 | $87,580 | $14,093 | $32 | $22,553 | $112,589 | $58,811 |
| Tin and articles thereof | | | | $677 | | | $14 |
| Other base metals; cermets; articles thereof | | | | | | $157 | |
| Tools, implements, cutlery, spoons and forks, of base metal | $64,820 | $203,044 | $95,634 | $168,275 | $120,753 | $101,880 | $114,410 |
| Miscellaneous articles of base metal | $22,770 | $53,268 | $55,262 | $143,003 | $191,040 | $139,816 | $39,047 |
| Total | $11,532,010 | $14,110,665 | $32,344,288 | $43,652,837 | $22,198,219 | $35,279,689 | $33,733,969 |
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