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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,003 | 98 | 98 |
| 2006 | $224 | 1 | 1 |
| 2007 | $2,730 | 212 | 212 |
| 2008 | $5,317,175 | 2,724,067 | 2,724,067 |
| 2009 | $2,060,984 | 1,099,786 | 1,099,786 |
| 2010 | $20,953,508 | 9,019,115 | 9,019,115 |
| 2011 | $28,095,580 | 12,465,956 | 12,465,956 |
Note: Quantity represents Weight in kilograms
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