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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,787 | 4,349 | 4,349 |
| 2006 | $15,581 | 18,802 | 18,802 |
| 2007 | $7,830 | 12,075 | 12,075 |
| 2008 | $17,791 | 16,200 | 16,200 |
| 2009 | $5,685 | 4,988 | 4,988 |
| 2010 | $2,618 | 2,501 | 2,501 |
| 2011 | $1,043 | 672 | 672 |
Note: Quantity represents Weight in kilograms
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