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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $105,611 | 18,969 | 18,969 |
| 2006 | $137,876 | 41,124 | 41,124 |
| 2007 | $169,383 | 37,547 | 37,547 |
| 2008 | $381,352 | 60,847 | 60,847 |
| 2009 | $456,670 | 80,468 | 80,468 |
| 2010 | $392,201 | 65,867 | 65,867 |
| 2011 | $734,603 | 153,697 | 153,697 |
Note: Quantity represents Weight in kilograms
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