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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,941 | 465,600 | 465,600 |
| 2006 | $54,040 | 4,993,851 | 4,993,851 |
| 2007 | $24,508 | 825,855 | 825,855 |
| 2008 | $2,206 | 4,257 | 4,257 |
| 2009 | $1,524 | 22,280 | 22,280 |
| 2010 | $2,184 | 31,700 | 31,700 |
Note: Quantity represents Weight in kilograms
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