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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $728 | 620 | 620 |
| 2006 | $20,483 | 19,490 | 19,490 |
| 2007 | $39,734 | 40,164 | 40,164 |
| 2008 | $115,639 | 80,883 | 80,883 |
| 2009 | $33,769 | 12,411 | 12,411 |
| 2010 | $15,428 | 11,298 | 11,298 |
| 2011 | $26,340 | 10,870 | 10,870 |
Note: Quantity represents Weight in kilograms
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