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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $90,559 | 145,036 | 145,036 |
| 2006 | $65,531 | 98,297 | 98,297 |
| 2007 | $29,155 | 41,044 | 41,044 |
| 2008 | $8,735 | 12,040 | 12,040 |
| 2009 | $247 | 369 | 369 |
| 2010 | $547 | 740 | 740 |
| 2011 | $2,121 | 2,757 | 2,757 |
Note: Quantity represents Weight in kilograms
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