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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,088 | 183 | 183 |
| 2006 | $803 | 445 | 445 |
| 2007 | $967 | 744 | 744 |
| 2008 | $32,383 | 42,688 | 42,688 |
| 2009 | $41,151 | 40,801 | 40,801 |
| 2010 | $134,904 | 97,981 | 97,981 |
| 2011 | $334,052 | 260,962 | 260,962 |
Note: Quantity represents Weight in kilograms
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