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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron and steel | $606,818,071 | $681,941,945 | $826,332,793 | $1,325,496,253 | $797,439,299 | $805,424,492 |
| Articles of iron or steel | $355,727,434 | $370,543,440 | $535,242,756 | $763,822,754 | $586,388,995 | $580,154,920 |
| Copper and articles thereof | $151,515,790 | $267,505,248 | $365,763,135 | $375,391,578 | $282,784,515 | $360,145,696 |
| Nickel and articles thereof | $1,542,148 | $1,069,539 | $2,641,714 | $2,412,121 | $1,183,638 | $1,753,197 |
| Aluminum and articles thereof | $159,615,572 | $244,310,596 | $283,556,375 | $317,660,799 | $243,110,195 | $269,851,606 |
| Lead and articles thereof | $509,665 | $598,334 | $1,566,202 | $1,187,909 | $1,051,635 | $572,177 |
| Zinc and articles thereof | $23,942,264 | $43,590,795 | $64,969,603 | $40,210,645 | $23,203,362 | $27,438,803 |
| Tin and articles thereof | $1,224,198 | $644,513 | $1,054,165 | $1,157,707 | $886,901 | $745,665 |
| Other base metals; cermets; articles thereof | $620,516 | $316,740 | $1,994,237 | $2,580,691 | $2,529,390 | $3,147,526 |
| Tools, implements, cutlery, spoons and forks, of base metal | $61,319,515 | $56,773,999 | $74,618,170 | $85,185,608 | $81,129,667 | $84,608,796 |
| Miscellaneous articles of base metal | $62,965,278 | $69,085,802 | $108,410,827 | $154,344,014 | $148,701,236 | $144,089,478 |
| Total | $1,425,800,451 | $1,736,380,951 | $2,266,149,977 | $3,069,450,079 | $2,168,408,833 | $2,277,932,356 |
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