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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $533 | 1,544 | 1,544 |
| 2006 | $12,948 | 19,780 | 19,780 |
| 2007 | $22,641 | 25,653 | 25,653 |
| 2008 | $5,779 | 1,732 | 1,732 |
| 2009 | $8,023 | 13,902 | 13,902 |
| 2010 | $611 | 958 | 958 |
| 2011 | $13,064 | 21,218 | 21,218 |
Note: Quantity represents Weight in kilograms
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