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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $536,467 | 199,186 | 199,186 |
| 2006 | $570,043 | 293,872 | 293,872 |
| 2007 | $522,709 | 35,288,295 | 35,288,295 |
| 2008 | $360,931 | 340,689 | 340,689 |
| 2009 | $276,245 | 109,276 | 109,276 |
| 2010 | $351,481 | 170,121 | 170,121 |
Note: Quantity represents Weight in kilograms
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