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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,798 | 15,496 | 15,496 |
| 2006 | $528 | 42 | 42 |
| 2007 | $3,013 | 2,370 | 2,370 |
| 2008 | $40,752 | 77,950 | 77,950 |
| 2009 | $27,546 | 50,416 | 50,416 |
| 2010 | $50,982 | 57,286 | 57,286 |
| 2011 | $136,801 | 147,364 | 147,364 |
Note: Quantity represents Weight in kilograms
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