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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,322 | 4,106 | 4,106 |
| 2006 | $12,639 | 3,369 | 3,369 |
| 2007 | $13,850 | 1,888 | 1,888 |
| 2008 | $15,295 | 7,486 | 7,486 |
| 2009 | $156,024 | 71,654 | 71,654 |
| 2010 | $73,277 | 35,018 | 35,018 |
| 2011 | $241,014 | 90,781 | 90,781 |
Note: Quantity represents Weight in kilograms
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