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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $2,391,709,640 | $3,185,574,984 | $4,923,470,429 | $5,808,526,255 | $2,936,756,152 | $3,794,289,136 | $4,707,534,619 |
| Articles of iron or steel | $2,858,211,696 | $3,568,173,053 | $4,786,436,474 | $5,958,085,630 | $3,815,963,807 | $4,065,378,896 | $4,994,096,989 |
| Copper and articles thereof | $528,549,152 | $1,105,412,935 | $1,496,826,605 | $1,567,066,083 | $1,018,333,358 | $1,567,753,464 | $1,746,045,721 |
| Nickel and articles thereof | $44,989,571 | $73,741,054 | $127,397,697 | $121,082,072 | $85,793,156 | $106,565,872 | $99,133,317 |
| Aluminum and articles thereof | $1,474,909,995 | $2,151,450,667 | $2,813,589,638 | $2,816,806,374 | $1,851,400,514 | $2,503,905,442 | $3,224,217,454 |
| Lead and articles thereof | $62,884,354 | $86,499,103 | $134,617,413 | $101,764,244 | $68,888,538 | $128,446,448 | $156,003,581 |
| Zinc and articles thereof | $52,635,505 | $171,544,801 | $208,347,358 | $121,828,631 | $76,206,423 | $156,642,323 | $158,998,133 |
| Tin and articles thereof | $19,588,408 | $28,669,073 | $48,114,134 | $54,996,988 | $33,426,203 | $50,243,330 | $86,615,917 |
| Other base metals; cermets; articles thereof | $29,441,841 | $37,322,911 | $51,887,863 | $55,676,088 | $36,382,954 | $50,307,526 | $53,416,102 |
| Tools, implements, cutlery, spoons and forks, of base metal | $515,258,200 | $659,159,698 | $954,721,451 | $884,852,661 | $592,251,796 | $928,335,717 | $1,052,509,591 |
| Miscellaneous articles of base metal | $880,529,198 | $1,051,434,060 | $1,305,908,334 | $1,521,847,726 | $1,129,238,823 | $1,370,788,459 | $1,510,053,877 |
| Total | $8,858,707,560 | $12,118,982,339 | $16,851,317,396 | $19,012,532,752 | $11,644,641,724 | $14,722,656,613 | $17,788,625,301 |
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