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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $3,099,603,186 | $3,575,842,799 | $4,063,757,651 | $5,323,326,917 | $3,001,237,327 | $4,663,894,456 | $5,395,197,790 |
| Articles of iron or steel | $5,023,017,493 | $5,440,242,132 | $5,917,533,834 | $6,085,532,142 | $3,769,044,045 | $4,188,704,387 | $4,528,937,002 |
| Copper and articles thereof | $2,372,148,934 | $4,070,597,783 | $4,628,882,177 | $4,597,240,553 | $2,410,701,047 | $3,301,972,575 | $3,553,001,847 |
| Nickel and articles thereof | $3,510,343,394 | $5,301,151,166 | $9,902,466,250 | $6,703,716,124 | $3,004,050,269 | $4,892,087,354 | $6,617,513,162 |
| Aluminum and articles thereof | $7,620,291,309 | $10,427,352,439 | $11,058,591,350 | $10,700,377,583 | $6,380,677,900 | $8,652,485,595 | $9,641,551,635 |
| Lead and articles thereof | $226,218,816 | $312,794,900 | $501,324,463 | $543,153,297 | $430,142,440 | $587,163,227 | $715,378,802 |
| Zinc and articles thereof | $772,472,018 | $1,642,955,330 | $2,030,669,037 | $1,330,750,382 | $983,149,814 | $1,291,625,137 | $1,272,236,572 |
| Tin and articles thereof | $14,700,299 | $20,938,105 | $30,342,714 | $44,764,256 | $35,139,633 | $53,127,080 | $70,492,347 |
| Other base metals; cermets; articles thereof | $192,001,533 | $193,437,487 | $161,900,845 | $145,791,929 | $90,483,411 | $95,125,615 | $150,376,527 |
| Tools, implements, cutlery, spoons and forks, of base metal | $442,687,087 | $569,789,020 | $593,737,009 | $653,066,399 | $470,728,075 | $549,706,975 | $515,602,166 |
| Miscellaneous articles of base metal | $1,271,453,650 | $1,255,388,811 | $1,268,563,034 | $1,031,765,293 | $737,120,544 | $948,148,295 | $1,092,445,246 |
| Total | $24,544,937,719 | $32,810,489,972 | $40,157,768,364 | $37,159,484,875 | $21,312,474,505 | $29,224,040,696 | $33,552,733,096 |
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