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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $5,097,840,565 | $5,436,635,727 | $7,926,944,610 | $8,044,119,181 | $3,677,202,873 | $6,036,167,767 | $7,401,997,060 |
| Articles of iron or steel | $2,411,465,068 | $2,850,416,030 | $3,502,291,796 | $3,961,147,394 | $2,430,075,212 | $3,124,457,987 | $4,235,609,190 |
| Copper and articles thereof | $1,042,643,859 | $1,678,228,451 | $1,756,126,236 | $1,848,797,521 | $1,248,209,439 | $1,852,639,351 | $2,227,803,237 |
| Nickel and articles thereof | $113,148,980 | $140,070,967 | $229,166,664 | $136,794,681 | $96,002,491 | $196,743,164 | $190,421,915 |
| Aluminum and articles thereof | $1,203,999,242 | $1,497,709,935 | $1,800,273,361 | $1,830,062,636 | $1,204,299,163 | $1,623,102,199 | $1,882,848,622 |
| Lead and articles thereof | $80,454,089 | $112,908,660 | $178,386,160 | $131,022,690 | $89,172,709 | $125,662,253 | $133,657,134 |
| Zinc and articles thereof | $29,540,740 | $57,826,813 | $10,759,976 | $9,419,562 | $4,955,274 | $16,660,192 | $17,180,048 |
| Tin and articles thereof | $2,905,228 | $4,621,344 | $7,604,885 | $8,148,480 | $4,317,249 | $8,529,409 | $2,985,461 |
| Other base metals; cermets; articles thereof | $44,050,395 | $59,176,415 | $59,171,046 | $67,329,970 | $48,544,302 | $53,396,596 | $71,287,949 |
| Tools, implements, cutlery, spoons and forks, of base metal | $992,237,061 | $1,115,300,788 | $1,304,223,826 | $1,343,612,871 | $906,013,496 | $1,279,033,720 | $1,302,478,320 |
| Miscellaneous articles of base metal | $474,221,479 | $543,626,525 | $631,237,827 | $639,960,075 | $436,791,993 | $492,164,751 | $544,823,551 |
| Total | $11,492,506,706 | $13,496,521,655 | $17,406,186,387 | $18,020,415,061 | $10,145,584,201 | $14,808,557,389 | $18,011,092,487 |
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