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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,099 | 44 | 44 |
| 2006 | $3,121 | 35 | 35 |
| 2007 | $10,047 | 1,563 | 1,563 |
| 2008 | $12,960 | 1,188 | 1,188 |
| 2009 | $60,791 | 20,056 | 20,056 |
| 2010 | $80,530 | 112,962 | 112,962 |
| 2011 | $158,073 | 338,692 | 338,692 |
Note: Quantity represents Weight in kilograms
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