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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $222,263 | 13,364 | 13,364 |
| 2006 | $149,790 | 9,225 | 9,225 |
| 2007 | $203,497 | 8,960 | 8,960 |
| 2008 | $112,865 | 2,962 | 2,962 |
| 2009 | $141,433 | 7,551 | 7,551 |
| 2010 | $289,923 | 7,208 | 7,208 |
| 2011 | $132,451 | 5,064 | 5,064 |
Note: Quantity represents Weight in kilograms
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