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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $546,208,985 | $647,074,266 | $1,404,822,352 | $1,529,014,263 | $814,520,236 | $1,093,314,465 | $1,511,885,491 |
| Articles of iron or steel | $1,608,216,886 | $2,227,200,178 | $2,164,518,559 | $2,871,677,004 | $2,502,482,855 | $2,687,458,090 | $2,914,016,820 |
| Copper and articles thereof | $679,039,791 | $1,160,279,054 | $1,443,525,114 | $1,475,169,847 | $851,366,627 | $1,496,343,330 | $1,841,057,730 |
| Nickel and articles thereof | $11,579,515 | $10,882,603 | $20,132,468 | $17,587,603 | $11,107,020 | $27,878,238 | $18,788,062 |
| Aluminum and articles thereof | $509,121,944 | $607,616,577 | $773,617,781 | $907,342,696 | $684,173,665 | $951,499,134 | $1,568,941,790 |
| Lead and articles thereof | $38,325,404 | $53,917,577 | $59,341,192 | $64,030,447 | $48,986,479 | $89,075,755 | $163,070,183 |
| Zinc and articles thereof | $36,689,831 | $58,056,015 | $67,561,136 | $110,236,223 | $150,843,545 | $138,459,424 | $188,562,532 |
| Tin and articles thereof | $292,715,323 | $208,168,963 | $321,627,188 | $622,744,108 | $384,252,461 | $745,298,163 | $1,167,660,072 |
| Other base metals; cermets; articles thereof | $11,501,081 | $12,373,012 | $37,824,280 | $10,120,231 | $11,105,509 | $10,458,591 | $29,119,731 |
| Tools, implements, cutlery, spoons and forks, of base metal | $141,970,683 | $190,880,710 | $235,033,374 | $249,341,746 | $257,989,431 | $287,778,653 | $361,360,859 |
| Miscellaneous articles of base metal | $178,215,812 | $201,482,618 | $228,457,958 | $282,511,898 | $217,301,080 | $304,697,846 | $326,209,523 |
| Total | $4,053,585,255 | $5,377,931,573 | $6,756,461,402 | $8,139,776,066 | $5,934,128,908 | $7,832,261,689 | $10,090,672,793 |
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