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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,988 | 34,241 | 34,241 |
| 2006 | $47,533 | 16,784 | 16,784 |
| 2007 | $12,301 | 6,550 | 6,550 |
| 2008 | $186,639 | 136,207 | 136,207 |
| 2009 | $41,492 | 39,261 | 39,261 |
| 2010 | $165,991 | 163,489 | 163,489 |
| 2011 | $64,364 | 52,935 | 52,935 |
Note: Quantity represents Weight in kilograms
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