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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $62,632 | 8,318 | 8,318 |
| 2006 | $35,035 | 6,733 | 6,733 |
| 2007 | $60,705 | 12,840 | 12,840 |
| 2008 | $103,862 | 21,141 | 21,141 |
| 2009 | $78,865 | 15,999 | 15,999 |
| 2010 | $171,784 | 28,450 | 28,450 |
| 2011 | $268,843 | 36,318 | 36,318 |
Note: Quantity represents Weight in kilograms
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