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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,052 | 429 | 429 |
| 2006 | $26,675 | 528 | 528 |
| 2007 | $47,917 | 1,380 | 1,380 |
| 2008 | $132,287 | 1,401 | 1,401 |
| 2009 | $159,552 | 1,172 | 1,172 |
| 2010 | $377,209 | 1,674 | 1,674 |
| 2011 | $335,829 | 1,702 | 1,702 |
Note: Quantity represents Weight in kilograms
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