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| Commodity | 2007 | 2008 | 2009 | 2010 |
| Ferro-silicon, cont. by wt. >55% of silicon, in granular/powder form | $17,411 | $11,885 | $36,369 | $25,816 |
| Ferro-alloys (excl. of 7202.11-7202.93), in granular/powder form | $22,160 | $87,168 | $50,571 | $12,429 |
| Total | $39,571 | $99,053 | $86,940 | $38,245 |
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