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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,520 | 502 | 502 |
| 2006 | $50 | 12 | 12 |
| 2007 | $28,437 | 171,607 | 171,607 |
| 2008 | $173,344 | 365,961 | 365,961 |
| 2009 | $25,946 | 125,072 | 125,072 |
| 2010 | $201,689 | 355,380 | 355,380 |
| 2011 | $75,394 | 358,708 | 358,708 |
Note: Quantity represents Weight in kilograms
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