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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,415 | 173 | 173 |
| 2006 | $36,811 | 128,229 | 128,229 |
| 2007 | $97,080 | 345,847 | 345,847 |
| 2008 | $133,800 | 354,082 | 354,082 |
| 2009 | $44,852 | 336,252 | 336,252 |
| 2010 | $231,360 | 414,969 | 414,969 |
| 2011 | $58,802 | 280,420 | 280,420 |
Note: Quantity represents Weight in kilograms
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