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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $42 | 140 | 140 |
| 2006 | $120 | 400 | 400 |
| 2007 | $3,206 | 16,602 | 16,602 |
| 2008 | $5,191 | 20,492 | 20,492 |
| 2009 | $1,352 | 3,575 | 3,575 |
| 2010 | $20,079 | 47,733 | 47,733 |
| 2011 | $291,604 | 460,544 | 460,544 |
Note: Quantity represents Weight in kilograms
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