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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron and steel | $4,301,872,730 | $4,844,180,449 | $5,220,032,529 | $5,714,575,765 | $3,029,744,973 | $4,783,984,050 | $5,656,949,483 |
| Articles of iron or steel | $6,636,590,762 | $7,688,231,128 | $8,220,581,358 | $9,535,050,917 | $6,788,448,626 | $8,452,724,733 | $10,374,400,691 |
| Copper and articles thereof | $1,681,770,657 | $2,341,576,528 | $2,313,251,453 | $2,261,079,393 | $1,302,016,401 | $1,720,613,584 | $1,864,228,295 |
| Nickel and articles thereof | $256,239,935 | $279,168,711 | $527,498,123 | $405,539,452 | $177,887,168 | $315,724,015 | $360,657,680 |
| Aluminum and articles thereof | $2,846,305,315 | $3,421,670,307 | $3,514,340,590 | $3,438,005,307 | $2,245,182,260 | $2,915,769,027 | $3,294,117,986 |
| Lead and articles thereof | $20,856,884 | $35,991,918 | $52,205,879 | $80,583,835 | $53,952,932 | $30,861,236 | $29,573,275 |
| Zinc and articles thereof | $33,222,184 | $62,500,346 | $74,882,083 | $34,750,135 | $20,816,910 | $35,301,855 | $36,726,427 |
| Tin and articles thereof | $47,384,215 | $55,484,490 | $74,091,827 | $85,922,936 | $58,074,616 | $97,038,745 | $114,976,176 |
| Other base metals; cermets; articles thereof | $223,631,007 | $286,370,544 | $346,045,381 | $472,912,625 | $241,300,644 | $305,371,040 | $346,571,503 |
| Tools, implements, cutlery, spoons and forks, of base metal | $1,625,277,992 | $1,707,209,708 | $1,694,695,502 | $1,864,274,686 | $1,418,096,830 | $1,667,540,028 | $1,798,276,575 |
| Miscellaneous articles of base metal | $2,025,923,883 | $2,118,821,318 | $2,193,394,089 | $2,116,483,274 | $1,857,815,222 | $2,097,677,974 | $2,199,260,354 |
| Total | $19,699,075,564 | $22,841,205,447 | $24,231,018,814 | $26,009,178,325 | $17,193,336,582 | $22,422,606,287 | $26,075,738,445 |
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