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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $715,040,423 | $825,268,739 | $1,663,594,690 | $1,258,779,531 | $668,561,901 | $1,116,494,279 | $1,401,111,999 |
| Articles of iron or steel | $1,613,089,547 | $2,125,756,554 | $2,435,204,199 | $3,108,669,387 | $3,982,766,941 | $3,144,518,126 | $3,388,809,967 |
| Copper and articles thereof | $559,859,492 | $1,090,057,002 | $1,379,405,612 | $990,293,391 | $651,818,989 | $993,477,045 | $1,287,041,840 |
| Nickel and articles thereof | $6,281,043 | $7,947,619 | $33,867,702 | $13,106,530 | $8,017,485 | $8,287,737 | $14,146,805 |
| Aluminum and articles thereof | $481,220,408 | $655,564,118 | $797,031,103 | $961,409,348 | $785,517,567 | $929,095,223 | $1,018,177,479 |
| Lead and articles thereof | $2,468,232 | $4,897,417 | $6,282,395 | $12,406,780 | $10,126,629 | $20,181,698 | $39,007,589 |
| Zinc and articles thereof | $34,606,218 | $30,762,173 | $56,818,049 | $45,647,423 | $50,846,998 | $44,470,816 | $67,692,300 |
| Tin and articles thereof | $211,516,415 | $199,425,128 | $310,770,306 | $357,051,438 | $245,009,920 | $436,759,161 | $569,347,942 |
| Other base metals; cermets; articles thereof | $3,614,329 | $10,273,856 | $5,191,357 | $5,674,570 | $2,328,033 | $10,886,369 | $15,813,349 |
| Tools, implements, cutlery, spoons and forks, of base metal | $123,892,201 | $158,615,214 | $184,197,463 | $283,658,532 | $185,969,377 | $266,366,351 | $327,130,801 |
| Miscellaneous articles of base metal | $297,081,329 | $378,056,435 | $448,252,156 | $571,699,702 | $480,344,587 | $621,271,909 | $686,198,649 |
| Total | $4,048,669,637 | $5,486,624,255 | $7,320,615,032 | $7,608,396,632 | $7,071,308,427 | $7,591,808,714 | $8,814,478,720 |
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