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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $158 | 407 | 407 |
| 2006 | $263 | 1,711 | 1,711 |
| 2007 | $103,567 | 252,661 | 252,661 |
| 2008 | $9,508 | 26,338 | 26,338 |
| 2009 | $225,299 | 417,794 | 417,794 |
| 2010 | $615,525 | 1,044,733 | 1,044,733 |
| 2011 | $398,841 | 794,177 | 794,177 |
Note: Quantity represents Weight in kilograms
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