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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $4,594,027,442 | $5,103,146,953 | $6,652,425,789 | $6,684,862,187 | $2,966,069,623 | $4,465,012,724 | $5,842,209,129 |
| Articles of iron or steel | $6,581,833,151 | $7,207,476,470 | $9,361,965,224 | $9,323,131,155 | $6,395,644,441 | $7,296,034,328 | $8,568,202,388 |
| Copper and articles thereof | $1,862,909,296 | $3,064,023,516 | $3,021,765,165 | $2,984,405,497 | $1,691,276,155 | $2,516,342,114 | $2,856,205,934 |
| Nickel and articles thereof | $1,165,101,448 | $1,631,219,235 | $2,929,714,469 | $2,016,939,999 | $773,737,840 | $1,519,637,178 | $1,869,697,219 |
| Aluminum and articles thereof | $3,129,069,596 | $3,960,767,051 | $4,777,441,607 | $4,619,785,479 | $3,532,535,901 | $3,661,858,520 | $4,386,463,710 |
| Lead and articles thereof | $338,329,326 | $352,028,270 | $570,671,325 | $588,861,629 | $380,454,008 | $560,401,180 | $622,961,468 |
| Zinc and articles thereof | $221,876,518 | $478,981,867 | $542,278,887 | $300,915,888 | $177,978,793 | $261,752,948 | $257,809,092 |
| Tin and articles thereof | $67,074,571 | $73,649,418 | $167,297,834 | $176,687,758 | $109,314,871 | $151,044,203 | $207,201,928 |
| Other base metals; cermets; articles thereof | $586,600,408 | $710,631,650 | $543,120,620 | $550,927,751 | $369,205,355 | $387,132,982 | $534,610,531 |
| Tools, implements, cutlery, spoons and forks, of base metal | $1,986,472,958 | $2,023,929,960 | $2,139,630,386 | $2,073,880,660 | $1,470,120,163 | $1,711,819,015 | $1,807,718,997 |
| Miscellaneous articles of base metal | $2,088,127,950 | $2,206,235,138 | $2,787,849,506 | $2,665,788,435 | $1,972,734,133 | $2,302,865,804 | $2,466,341,046 |
| Total | $22,621,422,664 | $26,812,089,528 | $33,494,160,812 | $31,986,186,438 | $19,839,071,283 | $24,833,900,996 | $29,419,421,442 |
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