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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $602,008 | 238,813 | 238,813 |
| 2006 | $532,529 | 177,117 | 177,117 |
| 2007 | $733,794 | 222,337 | 222,337 |
| 2008 | $922,678 | 199,178 | 199,178 |
| 2009 | $671,495 | 123,649 | 123,649 |
| 2010 | $867,078 | 1,266,940 | 1,266,940 |
| 2011 | $1,371,182 | 1,523,524 | 1,523,524 |
Note: Quantity represents Weight in kilograms
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