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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,568 | 3,076 | 3,076 |
| 2006 | $18,624 | 6,508 | 6,508 |
| 2007 | $52,659 | 26,140 | 26,140 |
| 2008 | $85,318 | 89,784 | 89,784 |
| 2009 | $71,548 | 109,115 | 109,115 |
| 2010 | $190,240 | 283,261 | 283,261 |
| 2011 | $71,991 | 41,722 | 41,722 |
Note: Quantity represents Weight in kilograms
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