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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron and steel | $3,401,200 | $5,886,302 | $8,090,610 | $9,369,908 | $6,131,343 | $8,840,160 |
| Articles of iron or steel | $23,467,308 | $20,486,611 | $19,140,471 | $22,942,865 | $21,768,364 | $17,872,683 |
| Copper and articles thereof | $1,534,813 | $1,558,175 | $2,523,578 | $2,279,640 | $2,600,712 | $2,408,890 |
| Nickel and articles thereof | $963 | $46,850 | $227,151 | $898 | $88,037 | $558 |
| Aluminum and articles thereof | $2,388,138 | $3,345,807 | $4,821,344 | $3,739,854 | $2,541,206 | $4,365,148 |
| Lead and articles thereof | | $67,340 | $91,858 | $47,961 | $21,433 | |
| Zinc and articles thereof | $1,529 | $45,747 | | $43,534 | $93,703 | $11,232 |
| Tin and articles thereof | $5,239 | $55,061 | $77,383 | $55,073 | | $3,130 |
| Other base metals; cermets; articles thereof | $21,261 | $6,441 | | | | |
| Tools, implements, cutlery, spoons and forks, of base metal | $4,229,514 | $3,264,576 | $2,621,125 | $2,360,017 | $1,947,129 | $2,542,863 |
| Miscellaneous articles of base metal | $342,263 | $1,065,021 | $832,456 | $854,607 | $835,791 | $265,390 |
| Total | $35,392,228 | $35,827,931 | $38,425,976 | $41,694,357 | $36,027,718 | $36,310,054 |
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