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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $157,960 | 257,490 | 257,490 |
| 2006 | $61,715 | 617,650 | 617,650 |
| 2007 | $8,496 | 81,520 | 81,520 |
| 2008 | $109,440 | 3,070,280 | 3,070,280 |
| 2009 | $201,651 | 435,380 | 435,380 |
| 2010 | $516,839 | 32,152,510 | 32,152,510 |
| 2011 | $18,029 | 32,400 | 32,400 |
Note: Quantity represents Weight in kilograms
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