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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $2,153,220,041 | $2,435,510,519 | $3,034,051,900 | $3,967,632,916 | $1,487,705,801 | $2,562,327,767 | $2,850,795,465 |
| Articles of iron or steel | $2,680,074,745 | $2,921,093,447 | $3,205,294,875 | $3,697,639,189 | $2,768,033,703 | $2,933,179,740 | $3,651,501,927 |
| Copper and articles thereof | $1,183,088,877 | $2,002,860,331 | $2,328,273,863 | $2,121,875,302 | $1,361,833,919 | $2,042,358,950 | $2,931,359,948 |
| Nickel and articles thereof | $5,462,388 | $7,447,998 | $14,948,667 | $9,766,903 | $7,846,937 | $14,028,543 | $23,928,199 |
| Aluminum and articles thereof | $472,273,111 | $640,760,298 | $802,055,993 | $920,659,722 | $636,627,874 | $899,197,947 | $985,848,371 |
| Lead and articles thereof | $24,065,609 | $38,555,468 | $128,480,892 | $200,439,199 | $283,049,790 | $252,803,993 | $326,119,524 |
| Zinc and articles thereof | $304,698,902 | $575,298,446 | $755,961,091 | $432,340,095 | $384,635,812 | $466,944,058 | $476,667,398 |
| Tin and articles thereof | $9,298,780 | $19,735,430 | $37,022,137 | $63,955,706 | $38,755,419 | $37,195,725 | $39,006,351 |
| Other base metals; cermets; articles thereof | $27,801,899 | $30,391,114 | $68,932,971 | $60,045,131 | $52,741,871 | $57,797,697 | $56,077,779 |
| Tools, implements, cutlery, spoons and forks, of base metal | $414,299,095 | $436,986,158 | $485,412,426 | $533,495,085 | $417,185,220 | $690,302,771 | $974,441,842 |
| Miscellaneous articles of base metal | $1,889,547,471 | $2,112,834,699 | $2,172,076,487 | $1,953,481,829 | $1,458,138,523 | $1,611,911,420 | $1,725,062,778 |
| Total | $9,163,830,918 | $11,221,473,908 | $13,032,511,302 | $13,961,331,077 | $8,896,554,869 | $11,568,048,611 | $14,040,809,582 |
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