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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $78,785 | 78,044 | 78,044 |
| 2006 | $101,781 | 88,684 | 88,684 |
| 2007 | $70,955 | 56,329 | 56,329 |
| 2008 | $42,513 | 23,562 | 23,562 |
| 2009 | $28,606 | 15,457 | 15,457 |
| 2010 | $25,886 | 13,516 | 13,516 |
| 2011 | $289 | 90 | 90 |
Note: Quantity represents Weight in kilograms
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