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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $597,196,024 | $1,007,184,911 | $1,083,047,187 | $1,801,338,961 | $1,017,214,855 | $2,199,386,739 | $2,082,032,895 |
| Articles of iron or steel | $1,003,817,160 | $1,252,719,599 | $1,777,949,582 | $2,736,454,447 | $2,299,356,291 | $3,036,906,888 | $3,515,094,009 |
| Copper and articles thereof | $842,786,628 | $1,620,407,150 | $2,086,705,582 | $2,491,491,211 | $1,311,188,274 | $2,452,944,043 | $2,767,357,874 |
| Nickel and articles thereof | $157,324,404 | $139,120,965 | $239,360,828 | $153,398,739 | $61,007,724 | $101,236,871 | $129,805,412 |
| Aluminum and articles thereof | $380,363,864 | $472,429,560 | $716,354,177 | $776,781,485 | $498,116,157 | $993,889,148 | $1,434,834,335 |
| Lead and articles thereof | $77,784,246 | $99,712,624 | $148,952,803 | $212,829,933 | $134,973,178 | $193,773,572 | $208,741,820 |
| Zinc and articles thereof | $35,758,027 | $89,666,132 | $128,645,988 | $90,721,308 | $48,208,523 | $95,944,729 | $125,022,252 |
| Tin and articles thereof | $19,228,561 | $18,282,872 | $24,081,950 | $20,268,703 | $6,727,969 | $19,613,813 | $54,978,366 |
| Other base metals; cermets; articles thereof | $110,124,390 | $129,477,202 | $192,841,803 | $251,977,531 | $124,897,419 | $175,465,677 | $168,678,292 |
| Tools, implements, cutlery, spoons and forks, of base metal | $234,493,738 | $269,727,695 | $408,313,621 | $515,302,710 | $374,913,278 | $557,439,567 | $801,353,116 |
| Miscellaneous articles of base metal | $224,706,241 | $243,258,163 | $427,403,940 | $512,362,713 | $388,030,653 | $570,078,663 | $598,736,017 |
| Total | $3,683,583,283 | $5,341,986,873 | $7,233,657,461 | $9,562,927,741 | $6,264,634,321 | $10,396,679,710 | $11,886,634,388 |
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