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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $967 | 12 | 12 |
| 2006 | $18,214 | 22,749 | 22,749 |
| 2007 | $43,032 | 27,508 | 27,508 |
| 2008 | $5,100 | 46,213 | 46,213 |
| 2009 | $158,516 | 470,376 | 470,376 |
| 2010 | $196,290 | 230,739 | 230,739 |
| 2011 | $257,980 | 310,010 | 310,010 |
Note: Quantity represents Weight in kilograms
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