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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,259 | 937 | 937 |
| 2006 | $11,306 | 1,522 | 1,522 |
| 2007 | $15,325 | 2,022 | 2,022 |
| 2008 | $10,275 | 1,693 | 1,693 |
| 2009 | $10,106 | 1,459 | 1,459 |
| 2010 | $61,523 | 8,215 | 8,215 |
| 2011 | $66,198 | 8,682 | 8,682 |
Note: Quantity represents Weight in kilograms
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