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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $519 | 337 | 337 |
| 2006 | $16,366 | 8,221 | 8,221 |
| 2007 | $120,166 | 22,274 | 22,274 |
| 2008 | $5,967 | 6,059 | 6,059 |
| 2009 | $180,760 | 12,787 | 12,787 |
| 2010 | $439,808 | 61,867 | 61,867 |
| 2011 | $4,293 | 115 | 115 |
Note: Quantity represents Weight in kilograms
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