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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $1,988,369,974 | $1,920,038,425 | $2,744,774,265 | $5,350,903,547 | $2,807,790,154 | $3,969,616,587 | $5,019,544,083 |
| Articles of iron or steel | $1,304,826,709 | $1,173,793,858 | $1,239,293,573 | $2,931,954,162 | $2,474,798,483 | $3,059,429,478 | $3,031,804,454 |
| Copper and articles thereof | $160,126,098 | $252,209,630 | $282,240,996 | $1,022,225,715 | $557,260,439 | $1,129,919,267 | $1,368,732,693 |
| Nickel and articles thereof | $15,468,929 | $13,758,082 | $20,481,046 | $27,102,062 | $18,379,607 | $22,717,713 | $33,829,004 |
| Aluminum and articles thereof | $555,621,177 | $662,557,272 | $804,035,234 | $1,220,503,067 | $828,761,014 | $1,313,466,946 | $1,832,136,096 |
| Lead and articles thereof | $61,839,400 | $83,925,612 | $162,097,133 | $209,626,067 | $138,075,636 | $201,097,100 | $258,681,592 |
| Zinc and articles thereof | $139,106,433 | $264,773,433 | $344,746,809 | $265,654,248 | $181,590,517 | $269,056,139 | $299,640,059 |
| Tin and articles thereof | $2,609,860 | $7,425,056 | $4,934,565 | $33,022,023 | $13,203,871 | $27,735,708 | $38,214,021 |
| Other base metals; cermets; articles thereof | $13,896,999 | $10,639,823 | $16,900,506 | $30,054,200 | $24,288,399 | $23,668,298 | $26,200,724 |
| Tools, implements, cutlery, spoons and forks, of base metal | $139,543,250 | $154,794,313 | $196,813,209 | $257,715,894 | $200,623,797 | $318,689,193 | $465,481,366 |
| Miscellaneous articles of base metal | $147,485,999 | $148,453,384 | $199,904,763 | $378,015,982 | $342,215,327 | $489,369,569 | $579,673,317 |
| Total | $4,528,894,828 | $4,692,368,888 | $6,016,222,099 | $11,726,776,967 | $7,586,987,244 | $10,824,765,998 | $12,953,937,409 |
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