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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,753 | 20,536 | 20,536 |
| 2006 | $24,456 | 77,000 | 77,000 |
| 2007 | $8,333 | 27,500 | 27,500 |
| 2008 | $23,470 | 59,000 | 59,000 |
| 2009 | $16,159 | 49,000 | 49,000 |
| 2010 | $26,076 | 126,200 | 126,200 |
| 2011 | $37,251 | 157,500 | 157,500 |
Note: Quantity represents Weight in kilograms
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