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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,092 | 3,752 | 3,752 |
| 2006 | $22,617 | 2,986 | 2,986 |
| 2007 | $27,693 | 1,097 | 1,097 |
| 2008 | $26,092 | 1,471 | 1,471 |
| 2009 | $124,107 | 4,461 | 4,461 |
| 2010 | $81,155 | 2,629 | 2,629 |
| 2011 | $87,491 | 2,248 | 2,248 |
Note: Quantity represents Weight in kilograms
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