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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,550 | 417 | 417 |
| 2006 | $17,476 | 26,257 | 26,257 |
| 2007 | $33,840 | 53,881 | 53,881 |
| 2008 | $586,289 | 646,006 | 646,006 |
| 2009 | $82,262 | 92,739 | 92,739 |
| 2010 | $76,703 | 34,628 | 34,628 |
| 2011 | $200,701 | 225,291 | 225,291 |
Note: Quantity represents Weight in kilograms
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