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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $740,251,000 | $1,070,196,000 | $1,320,739,000 | $1,833,365,000 | $696,747,000 | $875,724,000 | $1,263,457,000 |
| Articles of iron or steel | $1,529,133,000 | $1,783,539,000 | $2,222,137,000 | $2,441,208,000 | $1,522,135,000 | $1,721,020,000 | $2,004,085,000 |
| Copper and articles thereof | $394,858,000 | $656,099,000 | $755,947,000 | $802,910,000 | $477,262,000 | $584,496,000 | $843,535,000 |
| Nickel and articles thereof | $16,725,000 | $16,102,000 | $37,785,000 | $21,156,000 | $21,298,000 | $20,357,000 | $17,940,000 |
| Aluminum and articles thereof | $816,527,000 | $1,279,047,000 | $1,604,865,000 | $1,518,759,000 | $932,781,000 | $1,380,730,000 | $1,770,704,000 |
| Lead and articles thereof | $7,137,000 | $6,779,000 | $18,289,000 | $9,372,000 | $5,860,000 | $14,912,000 | $26,985,000 |
| Zinc and articles thereof | $33,575,000 | $74,259,000 | $86,870,000 | $55,803,000 | $27,954,000 | $38,708,000 | $44,442,000 |
| Tin and articles thereof | $11,278,000 | $14,154,000 | $18,573,000 | $25,348,000 | $14,657,000 | $29,542,000 | $31,396,000 |
| Other base metals; cermets; articles thereof | $16,087,000 | $21,074,000 | $14,741,000 | $16,411,000 | $25,047,000 | $35,405,000 | $38,706,000 |
| Tools, implements, cutlery, spoons and forks, of base metal | $211,615,000 | $213,040,000 | $259,905,000 | $306,530,000 | $297,641,000 | $238,742,000 | $291,149,000 |
| Miscellaneous articles of base metal | $397,592,000 | $438,672,000 | $570,407,000 | $620,277,000 | $444,527,000 | $426,361,000 | $499,485,000 |
| Total | $4,174,778,000 | $5,572,961,000 | $6,910,258,000 | $7,651,139,000 | $4,465,909,000 | $5,365,997,000 | $6,831,884,000 |
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