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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,159 | 1,856 | 1,856 |
| 2006 | $37,947 | 10,141 | 10,141 |
| 2007 | $18,394 | 8,583 | 8,583 |
| 2008 | $12,200 | 1,581 | 1,581 |
| 2009 | $40,072 | 20,520 | 20,520 |
| 2010 | $620 | 324 | 324 |
| 2011 | $149,117 | 43,835 | 43,835 |
Note: Quantity represents Weight in kilograms
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