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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,882 | 657 | 657 |
| 2006 | $13,889 | 1,600 | 1,600 |
| 2007 | $24,208 | 2,223 | 2,223 |
| 2008 | $63,878 | 4,248 | 4,248 |
| 2009 | $49,097 | 2,095 | 2,095 |
| 2010 | $87,732 | 49,501 | 49,501 |
| 2011 | $76,504 | 24,112 | 24,112 |
Note: Quantity represents Weight in kilograms
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