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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $46,218 | 6,436 | 6,436 |
| 2006 | $57,707 | 8,805 | 8,805 |
| 2007 | $56,916 | 17,498 | 17,498 |
| 2008 | $21,874 | 10,427 | 10,427 |
| 2009 | $9,643 | 7,542 | 7,542 |
| 2010 | $16,024 | 14,566 | 14,566 |
| 2011 | $23,603 | 21,696 | 21,696 |
Note: Quantity represents Weight in kilograms
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