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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $760,594,408 | $909,858,035 | $1,198,567,548 | $1,384,130,324 | $661,669,582 | $1,092,058,369 | $1,362,245,217 |
| Articles of iron or steel | $2,403,918,303 | $2,619,128,119 | $3,200,311,568 | $3,418,176,066 | $2,417,383,747 | $2,885,252,399 | $3,378,612,474 |
| Copper and articles thereof | $504,013,075 | $698,346,683 | $839,934,555 | $893,421,321 | $569,130,732 | $794,822,080 | $930,313,663 |
| Nickel and articles thereof | $35,673,457 | $41,308,185 | $64,092,290 | $64,436,389 | $44,273,400 | $43,329,539 | $51,728,141 |
| Aluminum and articles thereof | $1,263,055,245 | $1,510,739,251 | $1,826,391,742 | $1,827,071,860 | $1,295,163,498 | $1,691,096,892 | $1,999,830,511 |
| Lead and articles thereof | $9,243,688 | $15,771,379 | $29,954,065 | $26,133,105 | $7,611,281 | $8,230,646 | $8,944,717 |
| Zinc and articles thereof | $7,011,083 | $11,934,780 | $11,288,949 | $8,267,985 | $6,461,240 | $8,878,466 | $9,604,949 |
| Tin and articles thereof | $1,725,700 | $3,007,056 | $3,576,177 | $4,349,655 | $2,802,969 | $3,832,388 | $3,927,922 |
| Other base metals; cermets; articles thereof | $113,100,606 | $139,185,924 | $173,129,398 | $191,661,947 | $95,771,771 | $236,509,196 | $371,193,652 |
| Tools, implements, cutlery, spoons and forks, of base metal | $1,241,783,495 | $1,359,804,329 | $1,585,595,398 | $1,761,007,222 | $1,288,018,471 | $1,486,307,637 | $1,778,668,501 |
| Miscellaneous articles of base metal | $272,522,698 | $306,659,813 | $357,827,015 | $408,518,020 | $339,559,210 | $362,305,067 | $424,295,292 |
| Total | $6,612,641,758 | $7,615,743,554 | $9,290,668,705 | $9,987,173,894 | $6,727,845,901 | $8,612,622,679 | $10,319,365,039 |
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