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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27 | 0 | 0 |
| 2006 | $606 | 1,882 | 1,882 |
| 2007 | $36,697 | 113,510 | 113,510 |
| 2008 | $6,400 | 10,462 | 10,462 |
| 2009 | $50,594 | 84,799 | 84,799 |
| 2010 | $178,587 | 162,399 | 162,399 |
| 2011 | $60,648 | 99,811 | 99,811 |
Note: Quantity represents Weight in kilograms
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