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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,801 | 2,709 | 2,709 |
| 2006 | $36,063 | 5,096 | 5,096 |
| 2007 | $64,205 | 10,921 | 10,921 |
| 2008 | $61,953 | 8,038 | 8,038 |
| 2009 | $27,903 | 4,767 | 4,767 |
| 2010 | $9,508 | 1,300 | 1,300 |
| 2011 | $238 | 12 | 12 |
Note: Quantity represents Weight in kilograms
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