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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $288,312 | 27,478 | 27,478 |
| 2006 | $281,269 | 1,774 | 1,774 |
| 2007 | $823,262 | 3,280 | 3,280 |
| 2008 | $813,324 | 7,524 | 7,524 |
| 2009 | $392,717 | 2,337 | 2,337 |
| 2010 | $1,364,196 | 20,032 | 20,032 |
| 2011 | $872,674 | 24,151 | 24,151 |
Note: Quantity represents Weight in kilograms
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