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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,745 | 8,138 | 8,138 |
| 2006 | $16,101 | 3,883 | 3,883 |
| 2007 | $2,171 | 465 | 465 |
| 2008 | $85,079 | 16,263 | 16,263 |
| 2009 | $59,253 | 10,923 | 10,923 |
| 2010 | $74,193 | 14,853 | 14,853 |
| 2011 | $194,000 | 113,867 | 113,867 |
Note: Quantity represents Weight in kilograms
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