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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,336 | 4,997 | 4,997 |
| 2006 | $3,256 | 511 | 511 |
| 2007 | $24,649 | 38,152 | 38,152 |
| 2008 | $4,395 | 1,439 | 1,439 |
| 2009 | $6,332 | 3,635 | 3,635 |
| 2010 | $403 | 1,178 | 1,178 |
| 2011 | $6,072 | 14,277 | 14,277 |
Note: Quantity represents Weight in kilograms
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