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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,578 | 918 | 918 |
| 2006 | $8,799 | 39,768 | 39,768 |
| 2007 | $5,816 | 3,115 | 3,115 |
| 2008 | $9,124 | 13,877 | 13,877 |
| 2009 | $6,116 | 3,681 | 3,681 |
| 2010 | $13,242 | 23,137 | 23,137 |
| 2011 | $106,981 | 439,354 | 439,354 |
Note: Quantity represents Weight in kilograms
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