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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,783 | 570 | 570 |
| 2006 | $1,268 | 151 | 151 |
| 2007 | $8,321 | 4,848 | 4,848 |
| 2008 | $8,571 | 3,545 | 3,545 |
| 2009 | $27,171 | 13,306 | 13,306 |
| 2010 | $158,266 | 47,329 | 47,329 |
| 2011 | $104,355 | 16,379 | 16,379 |
Note: Quantity represents Weight in kilograms
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