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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,438 | 15,000 | 15,000 |
| 2006 | $8,895 | 6,304 | 6,304 |
| 2007 | $7,340 | 9,750 | 9,750 |
| 2008 | $52,214 | 26,498 | 26,498 |
| 2009 | $73,601 | 40,697 | 40,697 |
| 2010 | $43,712 | 26,978 | 26,978 |
| 2011 | $152,264 | 96,277 | 96,277 |
Note: Quantity represents Weight in kilograms
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