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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189 | 9 | 9 |
| 2006 | $2,564,581 | 40,390 | 40,390 |
| 2008 | $14,566,718 | 320,158 | 320,158 |
| 2009 | $26,104,396 | 567,000 | 567,000 |
| 2010 | $28,373,265 | 608,000 | 608,000 |
| 2011 | $34,013,092 | 686,000 | 686,000 |
Note: Quantity represents Weight in kilograms
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