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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $645,228,410 | $801,697,409 | $1,080,675,050 | $1,064,836,222 | $500,878,434 | $506,556,285 | $686,072,305 |
| Articles of iron or steel | $2,664,381,881 | $2,906,017,456 | $3,394,915,687 | $4,021,143,407 | $2,958,201,499 | $2,655,957,290 | $3,359,623,745 |
| Copper and articles thereof | $211,780,539 | $350,834,644 | $491,504,427 | $457,821,291 | $278,181,427 | $374,307,516 | $506,305,757 |
| Nickel and articles thereof | $1,507,314,782 | $1,846,064,047 | $3,610,784,249 | $2,731,516,263 | $1,427,270,885 | $2,231,162,070 | $3,271,357,811 |
| Aluminum and articles thereof | $1,101,414,904 | $1,507,359,952 | $2,026,365,747 | $1,836,493,052 | $1,039,277,603 | $1,843,524,458 | $1,928,472,883 |
| Lead and articles thereof | $12,823,069 | $14,601,450 | $32,066,973 | $31,150,220 | $17,138,096 | $20,680,163 | $28,770,857 |
| Zinc and articles thereof | $5,687,684 | $17,778,358 | $17,322,859 | $15,157,210 | $8,438,354 | $9,274,139 | $8,885,117 |
| Tin and articles thereof | $5,998,989 | $6,488,714 | $8,295,769 | $6,629,615 | $2,149,090 | $2,515,337 | $3,636,710 |
| Other base metals; cermets; articles thereof | $95,425,053 | $78,732,474 | $87,708,926 | $131,059,009 | $52,504,437 | $70,598,550 | $92,705,667 |
| Tools, implements, cutlery, spoons and forks, of base metal | $269,185,502 | $297,374,675 | $361,073,296 | $386,785,539 | $306,173,029 | $331,268,594 | $374,709,549 |
| Miscellaneous articles of base metal | $225,902,962 | $254,068,901 | $326,169,727 | $344,515,006 | $265,872,396 | $283,119,956 | $314,955,500 |
| Total | $6,745,143,775 | $8,081,018,080 | $11,436,882,710 | $11,027,106,834 | $6,856,085,250 | $8,328,964,358 | $10,575,495,901 |
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