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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,176 | 1,420 | 1,420 |
| 2006 | $29,286 | 4,497 | 4,497 |
| 2007 | $52,234 | 8,035 | 8,035 |
| 2008 | $36,332 | 5,125 | 5,125 |
| 2009 | $12,742 | 1,694 | 1,694 |
| 2010 | $8,076 | 1,048 | 1,048 |
| 2011 | $23,101 | 3,473 | 3,473 |
Note: Quantity represents Weight in kilograms
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