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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,961 | 549 | 549 |
| 2006 | $3,510 | 1,536 | 1,536 |
| 2007 | $81,495 | 62,422 | 62,422 |
| 2008 | $37,912 | 24,675 | 24,675 |
| 2009 | $61,363 | 51,457 | 51,457 |
| 2010 | $110,571 | 90,212 | 90,212 |
| 2011 | $63,331 | 44,483 | 44,483 |
Note: Quantity represents Weight in kilograms
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