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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $215 | 1,421 | 1,421 |
| 2006 | $172 | 1,127 | 1,127 |
| 2007 | $97,910 | 640,623 | 640,623 |
| 2008 | $87,911 | 583,964 | 583,964 |
| 2009 | $122,673 | 798,540 | 798,540 |
| 2010 | $327,431 | 1,675,648 | 1,675,648 |
| 2011 | $523,642 | 2,753,515 | 2,753,515 |
Note: Quantity represents Weight in kilograms
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