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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,176 | 27,260 | 27,260 |
| 2006 | $14,005 | 10,371 | 10,371 |
| 2007 | $12,533 | 10,347 | 10,347 |
| 2008 | $11,024 | 6,273 | 6,273 |
| 2009 | $7,015 | 7,458 | 7,458 |
| 2010 | $9,542 | 9,410 | 9,410 |
| 2011 | $5,916 | 4,329 | 4,329 |
Note: Quantity represents Weight in kilograms
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