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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,918 | 745 | 745 |
| 2006 | $2,518 | 193 | 193 |
| 2007 | $20,835 | 109,736 | 109,736 |
| 2008 | $20,058 | 32,682 | 32,682 |
| 2009 | $9,415 | 42,550 | 42,550 |
| 2010 | $2,436 | 130 | 130 |
| 2011 | $7,325 | 20,858 | 20,858 |
Note: Quantity represents Weight in kilograms
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