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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,440 | 1,471 | 1,471 |
| 2006 | $512 | 188 | 188 |
| 2007 | $2,035 | 564 | 564 |
| 2008 | $5,428 | 2,445 | 2,445 |
| 2009 | $5,830 | 5,691 | 5,691 |
| 2010 | $183,650 | 275,606 | 275,606 |
| 2011 | $24,926 | 54,437 | 54,437 |
Note: Quantity represents Weight in kilograms
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