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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $1,282,621,380 | $1,154,262,928 | $1,433,308,631 | $2,052,067,037 | $1,067,540,411 | $1,505,675,769 | $1,602,512,085 |
| Articles of iron or steel | $2,211,698,396 | $2,344,057,887 | $2,970,977,962 | $4,000,881,198 | $3,452,887,403 | $3,611,820,985 | $5,018,964,440 |
| Copper and articles thereof | $248,022,275 | $410,958,416 | $662,021,122 | $856,572,458 | $675,082,498 | $1,103,511,760 | $1,139,502,673 |
| Nickel and articles thereof | $31,815,943 | $39,812,913 | $76,492,260 | $78,227,935 | $38,943,435 | $46,467,082 | $204,395,022 |
| Aluminum and articles thereof | $558,686,907 | $644,311,414 | $804,138,095 | $970,578,719 | $701,382,487 | $1,066,211,314 | $1,056,190,444 |
| Lead and articles thereof | $13,226,109 | $21,984,962 | $35,885,957 | $19,590,900 | $20,502,659 | $19,199,111 | $18,966,892 |
| Zinc and articles thereof | $7,726,636 | $13,929,581 | $9,474,133 | $12,231,259 | $6,256,480 | $10,205,772 | $11,755,511 |
| Tin and articles thereof | $21,454,070 | $15,666,214 | $16,817,409 | $20,761,588 | $17,308,184 | $21,077,625 | $33,021,390 |
| Other base metals; cermets; articles thereof | $65,656,509 | $84,243,551 | $90,329,113 | $108,303,133 | $62,509,705 | $61,581,480 | $81,175,611 |
| Tools, implements, cutlery, spoons and forks, of base metal | $527,290,269 | $513,334,661 | $558,748,903 | $644,733,438 | $552,431,137 | $629,835,699 | $760,215,853 |
| Miscellaneous articles of base metal | $519,336,121 | $584,960,873 | $758,966,745 | $794,572,246 | $763,304,293 | $748,210,344 | $912,517,441 |
| Total | $5,487,534,615 | $5,827,523,400 | $7,417,160,330 | $9,558,519,911 | $7,358,148,692 | $8,823,796,941 | $10,839,217,362 |
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