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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $1,728,802,097 | $2,392,398,225 | $4,294,450,814 | $4,888,671,702 | $2,510,724,447 | $3,596,006,636 | $4,596,292,261 |
| Articles of iron or steel | $2,490,095,220 | $3,414,635,923 | $5,096,188,088 | $5,547,626,471 | $3,367,357,964 | $5,542,295,955 | $7,267,126,509 |
| Copper and articles thereof | $133,444,080 | $241,333,559 | $373,379,801 | $579,013,665 | $407,455,472 | $572,484,229 | $740,435,216 |
| Nickel and articles thereof | $61,332,471 | $29,829,423 | $42,683,185 | $40,214,135 | $56,468,657 | $101,858,599 | $235,116,396 |
| Aluminum and articles thereof | $403,162,168 | $540,766,709 | $727,867,419 | $1,104,849,653 | $753,451,203 | $878,707,143 | $962,998,852 |
| Lead and articles thereof | $25,734,139 | $34,759,203 | $52,978,983 | $34,762,533 | $10,841,153 | $10,439,909 | $4,283,784 |
| Zinc and articles thereof | $14,224,258 | $77,130,038 | $116,732,615 | $53,298,129 | $45,170,734 | $55,934,213 | $55,615,258 |
| Tin and articles thereof | $5,260,300 | $2,423,972 | $8,413,870 | $31,940,859 | $26,096,690 | $24,432,220 | $29,862,472 |
| Other base metals; cermets; articles thereof | $75,315,048 | $115,975,840 | $101,843,452 | $126,732,034 | $99,508,719 | $152,364,819 | $177,509,931 |
| Tools, implements, cutlery, spoons and forks, of base metal | $356,735,882 | $460,227,379 | $693,629,445 | $929,897,474 | $649,826,086 | $1,190,204,122 | $1,477,533,824 |
| Miscellaneous articles of base metal | $330,573,639 | $597,466,190 | $1,014,679,385 | $1,409,110,969 | $910,539,279 | $1,342,979,244 | $1,527,570,125 |
| Total | $5,624,679,302 | $7,906,946,461 | $12,522,847,057 | $14,746,117,624 | $8,837,440,404 | $13,467,707,089 | $17,074,344,628 |
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