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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $1,040,590,998 | $1,046,668,197 | $1,344,534,873 | $1,709,300,576 | $819,552,142 | $1,143,968,325 | $1,308,592,965 |
| Articles of iron or steel | $914,323,896 | $795,277,774 | $1,243,405,670 | $1,423,936,387 | $1,314,133,276 | $1,070,184,262 | $1,007,763,285 |
| Copper and articles thereof | $270,112,906 | $446,830,299 | $494,534,328 | $468,690,228 | $251,293,864 | $399,931,383 | $507,779,451 |
| Nickel and articles thereof | $1,264,271,085 | $1,870,375,369 | $3,322,208,112 | $1,895,988,268 | $1,255,939,343 | $1,970,566,918 | $2,180,270,621 |
| Aluminum and articles thereof | $3,924,076,451 | $5,256,478,606 | $6,216,266,162 | $5,984,708,978 | $3,604,311,369 | $4,543,496,347 | $5,115,392,745 |
| Lead and articles thereof | $229,313 | $408,221 | $776,764 | $1,176,870 | $1,049,262 | $1,562,681 | $1,643,932 |
| Zinc and articles thereof | $201,036,670 | $506,365,032 | $526,970,710 | $292,328,079 | $239,245,772 | $334,451,183 | $355,480,406 |
| Tin and articles thereof | $2,261,549 | $1,983,430 | $1,769,495 | $1,498,565 | $353,352 | $305,071 | $820,329 |
| Other base metals; cermets; articles thereof | $174,756,462 | $170,739,174 | $238,564,499 | $308,798,049 | $121,855,298 | $137,451,337 | $117,642,383 |
| Tools, implements, cutlery, spoons and forks, of base metal | $33,790,278 | $34,638,055 | $46,687,679 | $43,602,764 | $38,841,672 | $39,565,782 | $43,330,131 |
| Miscellaneous articles of base metal | $98,409,834 | $115,231,909 | $139,868,136 | $161,633,054 | $105,545,270 | $80,182,516 | $111,688,842 |
| Total | $7,923,859,442 | $10,244,996,066 | $13,575,586,428 | $12,291,661,818 | $7,752,120,620 | $9,721,665,805 | $10,750,405,090 |
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