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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $853,652,915 | $1,099,479,324 | $1,518,189,169 | $1,733,682,070 | $1,032,908,761 | $1,277,842,372 | $1,516,930,748 |
| Articles of iron or steel | $1,461,736,933 | $1,957,342,280 | $2,092,429,697 | $2,739,506,342 | $1,946,104,959 | $2,225,243,121 | $2,213,611,344 |
| Copper and articles thereof | $646,612,613 | $1,346,796,411 | $1,203,266,832 | $1,036,715,188 | $624,772,113 | $1,106,759,039 | $1,368,712,500 |
| Nickel and articles thereof | $152,644,353 | $278,679,848 | $385,747,276 | $402,585,557 | $248,717,254 | $657,555,707 | $488,789,194 |
| Aluminum and articles thereof | $542,024,203 | $677,151,330 | $1,340,601,181 | $1,003,239,692 | $751,041,450 | $581,922,589 | $612,432,355 |
| Lead and articles thereof | $66,531,996 | $152,245,609 | $220,012,134 | $213,832,470 | $54,845,410 | $75,668,189 | $105,763,442 |
| Zinc and articles thereof | $93,809,170 | $168,769,335 | $280,221,399 | $55,957,078 | $110,661,850 | $64,929,641 | $40,560,536 |
| Tin and articles thereof | $532,390,926 | $507,006,564 | $755,609,361 | $899,643,207 | $606,090,422 | $683,865,220 | $1,190,079,057 |
| Other base metals; cermets; articles thereof | $23,333,596 | $30,257,244 | $23,516,101 | $42,105,402 | $31,004,795 | $68,606,686 | $32,922,132 |
| Tools, implements, cutlery, spoons and forks, of base metal | $643,833,526 | $867,915,134 | $942,273,143 | $1,052,396,424 | $817,951,142 | $1,085,912,262 | $1,249,451,267 |
| Miscellaneous articles of base metal | $346,161,167 | $449,867,600 | $455,365,079 | $822,625,277 | $561,276,309 | $545,225,306 | $522,236,516 |
| Total | $5,362,731,398 | $7,535,510,679 | $9,217,231,372 | $10,002,288,707 | $6,785,374,465 | $8,373,530,132 | $9,341,489,091 |
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