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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,055 | 5,185 | 5,185 |
| 2006 | $753 | 886 | 886 |
| 2007 | $2,670 | 5,012 | 5,012 |
| 2008 | $5,023 | 9,000 | 9,000 |
| 2009 | $14,243 | 14,229 | 14,229 |
| 2010 | $10,228 | 18,225 | 18,225 |
| 2011 | $2,294 | 11,412 | 11,412 |
Note: Quantity represents Weight in kilograms
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