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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Chemical elements doped for use in electronics, in the form of discs/wafers ... | $1,043,385 | $174,582 | $139,238 | $301,545 | $81,312 | $34,256 | $274,791 |
| Total | $1,043,385 | $174,582 | $139,238 | $301,545 | $81,312 | $34,256 | $274,791 |
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