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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,133 | 3,166 | 3,166 |
| 2006 | $78,056 | 5,540 | 5,540 |
| 2007 | $98,917 | 10,387 | 10,387 |
| 2008 | $190,282 | 20,576 | 20,576 |
| 2009 | $201,861 | 23,684 | 23,684 |
| 2010 | $181,899 | 20,073 | 20,073 |
| 2011 | $199,388 | 17,774 | 17,774 |
Note: Quantity represents Weight in kilograms
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