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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $2,149,896,366 | $2,738,362,656 | $3,629,518,782 | $4,406,161,028 | $2,069,175,268 | $3,067,666,052 | $3,859,682,857 |
| Articles of iron or steel | $2,370,895,871 | $2,931,671,410 | $3,830,757,907 | $4,517,697,678 | $2,989,688,737 | $3,286,898,174 | $4,396,451,526 |
| Copper and articles thereof | $669,816,455 | $1,220,097,285 | $1,526,568,971 | $1,469,853,255 | $920,482,884 | $1,312,692,049 | $1,625,676,394 |
| Nickel and articles thereof | $74,767,875 | $127,932,886 | $178,255,820 | $134,679,584 | $78,112,389 | $89,183,921 | $118,342,593 |
| Aluminum and articles thereof | $1,038,606,274 | $1,480,255,277 | $1,891,682,062 | $2,016,117,367 | $1,283,782,001 | $1,654,630,792 | $2,107,328,799 |
| Lead and articles thereof | $89,843,466 | $122,553,172 | $216,776,467 | $189,466,074 | $149,655,237 | $197,502,348 | $114,315,469 |
| Zinc and articles thereof | $75,008,234 | $148,744,847 | $226,667,596 | $148,574,892 | $81,263,222 | $83,970,813 | $99,319,456 |
| Tin and articles thereof | $8,863,443 | $11,751,011 | $19,835,723 | $18,990,313 | $14,408,909 | $15,171,448 | $26,282,831 |
| Other base metals; cermets; articles thereof | $74,126,745 | $75,088,484 | $86,719,616 | $117,921,473 | $63,662,458 | $68,501,270 | $126,399,741 |
| Tools, implements, cutlery, spoons and forks, of base metal | $455,220,816 | $428,506,413 | $547,987,326 | $736,556,210 | $504,857,868 | $553,420,130 | $768,889,707 |
| Miscellaneous articles of base metal | $602,317,915 | $722,821,863 | $941,340,688 | $981,756,068 | $762,462,834 | $885,104,067 | $1,174,040,186 |
| Total | $7,609,363,460 | $10,007,785,304 | $13,096,110,958 | $14,737,773,942 | $8,917,551,807 | $11,214,741,064 | $14,416,729,559 |
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