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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,264 | 21 | 21 |
| 2006 | $2,740 | 564 | 564 |
| 2007 | $32,876 | 22,464 | 22,464 |
| 2008 | $46,870 | 22,758 | 22,758 |
| 2009 | $73,060 | 43,012 | 43,012 |
| 2010 | $170,727 | 109,705 | 109,705 |
| 2011 | $202,457 | 132,735 | 132,735 |
Note: Quantity represents Weight in kilograms
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