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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $191 | 67 | 67 |
| 2006 | $1,574 | 812 | 812 |
| 2007 | $59,872 | 26,428 | 26,428 |
| 2008 | $10,875 | 3,363 | 3,363 |
| 2009 | $36,102 | 7,153 | 7,153 |
| 2010 | $69,532 | 13,831 | 13,831 |
| 2011 | $113,272 | 16,937 | 16,937 |
Note: Quantity represents Weight in kilograms
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