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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $31,214 | 22,793 | 22,793 |
| 2006 | $16,172 | 16,654 | 16,654 |
| 2007 | $47,870 | 36,454 | 36,454 |
| 2008 | $2,652 | 2,751 | 2,751 |
| 2009 | $53,877 | 28,167 | 28,167 |
| 2010 | $52,015 | 35,851 | 35,851 |
| 2011 | $115,408 | 153,771 | 153,771 |
Note: Quantity represents Weight in kilograms
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