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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,839 | 408 | 408 |
| 2006 | $3,027 | 660 | 660 |
| 2007 | $6,425 | 1,253 | 1,253 |
| 2008 | $8,960 | 2,090 | 2,090 |
| 2009 | $50,719 | 22,540 | 22,540 |
| 2010 | $218,611 | 110,000 | 110,000 |
| 2011 | $10,598 | 5,147 | 5,147 |
Note: Quantity represents Weight in kilograms
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