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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28 | 368 | 368 |
| 2006 | $80,744 | 95,408 | 95,408 |
| 2007 | $21,218 | 124,124 | 124,124 |
| 2008 | $1,746 | 29,815 | 29,815 |
| 2009 | $420 | 1,368 | 1,368 |
| 2010 | $8,465 | 14,097 | 14,097 |
| 2011 | $29,130 | 64,348 | 64,348 |
Note: Quantity represents Weight in kilograms
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