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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,608 | 42,071 | 42,071 |
| 2006 | $8,961 | 22,001 | 22,001 |
| 2007 | $1,703 | 802 | 802 |
| 2008 | $23,180 | 27,954 | 27,954 |
| 2009 | $3,391 | 581 | 581 |
| 2010 | $417,432 | 512,715 | 512,715 |
| 2011 | $277,219 | 314,691 | 314,691 |
Note: Quantity represents Weight in kilograms
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