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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,121 | 42,400 | 42,400 |
| 2006 | $9,742 | 6,141 | 6,141 |
| 2007 | $10,990 | 15,264 | 15,264 |
| 2008 | $579 | 3,300 | 3,300 |
| 2009 | $6,763 | 25,794 | 25,794 |
| 2010 | $52,252 | 166,340 | 166,340 |
| 2011 | $17,564 | 38,294 | 38,294 |
Note: Quantity represents Weight in kilograms
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