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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,731 | 8,000 | 8,000 |
| 2006 | $10,531 | 2,176 | 2,176 |
| 2007 | $11,272 | 1,760 | 1,760 |
| 2008 | $12,735 | 2,317 | 2,317 |
| 2009 | $10,254 | 2,124 | 2,124 |
| 2010 | $11,388 | 2,618 | 2,618 |
| 2011 | $11,863 | 2,344 | 2,344 |
Note: Quantity represents Weight in kilograms
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