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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,336 | 5,299 | 5,299 |
| 2006 | $22,778 | 5,360 | 5,360 |
| 2007 | $61,705 | 11,621 | 11,621 |
| 2008 | $66,877 | 13,348 | 13,348 |
| 2009 | $123,250 | 42,725 | 42,725 |
| 2010 | $117,629 | 0 | 0 |
| 2011 | $64,995 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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