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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $162,488 | 14,627 | 14,627 |
| 2006 | $479,111 | 29,926 | 29,926 |
| 2007 | $80,217 | 14,507 | 14,507 |
| 2008 | $165,871 | 36,560 | 36,560 |
| 2009 | $121,061 | 13,212 | 13,212 |
| 2010 | $130,910 | 44,207 | 44,207 |
Note: Quantity represents Weight in kilograms
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