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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $2,171,615,010 | $2,711,973,474 | $3,831,040,905 | $3,967,956,726 | $1,996,079,161 | $3,048,680,990 | $3,763,794,039 |
| Articles of iron or steel | $2,122,258,723 | $2,362,278,886 | $2,668,308,237 | $3,386,765,907 | $2,544,463,420 | $2,742,311,893 | $3,339,676,663 |
| Copper and articles thereof | $1,513,943,031 | $2,570,198,640 | $3,152,063,574 | $2,876,069,588 | $1,877,149,395 | $3,121,446,500 | $3,662,010,005 |
| Nickel and articles thereof | $40,156,398 | $37,518,896 | $68,461,234 | $57,196,787 | $33,461,530 | $73,821,773 | $83,380,523 |
| Aluminum and articles thereof | $1,012,026,813 | $1,313,690,724 | $1,676,173,154 | $1,847,995,302 | $1,308,095,413 | $1,875,227,872 | $2,382,014,176 |
| Lead and articles thereof | $52,778,228 | $85,566,631 | $126,392,735 | $123,695,236 | $95,472,196 | $117,562,497 | $288,261,372 |
| Zinc and articles thereof | $214,435,244 | $222,432,244 | $347,991,795 | $168,062,570 | $239,355,001 | $322,560,139 | $356,088,651 |
| Tin and articles thereof | $249,811,185 | $168,288,794 | $284,178,405 | $249,526,501 | $374,560,614 | $497,893,673 | $729,595,521 |
| Other base metals; cermets; articles thereof | $86,610,209 | $135,070,198 | $191,738,830 | $64,217,164 | $59,034,702 | $43,015,753 | $76,307,195 |
| Tools, implements, cutlery, spoons and forks, of base metal | $346,680,227 | $388,202,279 | $456,113,681 | $581,588,782 | $511,876,447 | $529,388,933 | $553,609,030 |
| Miscellaneous articles of base metal | $173,565,087 | $343,782,894 | $279,546,171 | $404,959,014 | $272,489,758 | $319,211,916 | $359,116,573 |
| Total | $7,983,880,155 | $10,339,003,660 | $13,082,008,721 | $13,728,033,577 | $9,312,037,637 | $12,691,121,939 | $15,593,853,748 |
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