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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $269 | 253 | 253 |
| 2006 | $590 | 50 | 50 |
| 2007 | $273,639 | 184,750 | 184,750 |
| 2008 | $5,355,026 | 1,580,000 | 1,580,000 |
| 2009 | $831,324 | 509,304 | 509,304 |
| 2010 | $2,387,279 | 2,232,540 | 2,232,540 |
| 2011 | $510,574 | 340,000 | 340,000 |
Note: Quantity represents Weight in kilograms
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