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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $78,090 | 5,198 | 5,198 |
| 2006 | $21,237 | 2,920 | 2,920 |
| 2007 | $68,117 | 21,419 | 21,419 |
| 2008 | $108,197 | 10,894 | 10,894 |
| 2009 | $194,533 | 52,843 | 52,843 |
| 2010 | $251,617 | 46,411 | 46,411 |
| 2011 | $249,163 | 28,778 | 28,778 |
Note: Quantity represents Weight in kilograms
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