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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $3,916,916,405 | $5,081,216,925 | $7,113,363,332 | $13,049,966,527 | $6,250,599,309 | $7,095,974,271 | $8,650,448,410 |
| Articles of iron or steel | $2,727,021,858 | $3,329,727,525 | $4,113,992,341 | $5,726,470,938 | $4,536,602,667 | $4,838,622,610 | $5,715,513,641 |
| Copper and articles thereof | $506,842,961 | $810,623,217 | $875,306,898 | $1,153,170,358 | $592,829,068 | $1,059,328,543 | $1,386,624,025 |
| Nickel and articles thereof | $1,917,363 | $1,738,682 | $10,979,171 | $9,281,619 | $5,100,479 | $10,062,562 | $8,262,295 |
| Aluminum and articles thereof | $794,484,317 | $1,122,703,864 | $1,468,536,732 | $1,603,770,440 | $1,240,517,083 | $1,719,887,557 | $1,970,027,156 |
| Lead and articles thereof | $3,509,762 | $3,905,134 | $4,429,251 | $5,975,983 | $4,595,845 | $6,359,504 | $7,662,194 |
| Zinc and articles thereof | $1,294,879 | $2,373,683 | $2,766,910 | $4,706,790 | $4,835,697 | $6,084,915 | $9,886,908 |
| Tin and articles thereof | $620,956 | $936,898 | $3,625,847 | $3,409,090 | $520,431 | $2,302,409 | $2,162,802 |
| Other base metals; cermets; articles thereof | $2,030,806 | $1,316,707 | $2,624,648 | $3,293,670 | $3,212,444 | $5,397,328 | $4,007,668 |
| Tools, implements, cutlery, spoons and forks, of base metal | $58,666,773 | $85,880,253 | $119,458,097 | $122,603,810 | $107,419,365 | $147,585,442 | $162,339,398 |
| Miscellaneous articles of base metal | $282,208,967 | $383,820,619 | $526,997,057 | $651,690,122 | $504,418,150 | $581,306,821 | $695,746,162 |
| Total | $8,295,515,047 | $10,824,243,507 | $14,242,080,284 | $22,334,339,347 | $13,250,650,538 | $15,472,911,962 | $18,612,680,659 |
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