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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,048,728 | 791,891 | 0 |
| 2006 | $2,048,580 | 1,364,279 | 0 |
| 2007 | $2,554,752 | 1,410,263 | 0 |
| 2008 | $2,702,585 | 94,517,751 | 0 |
| 2009 | $3,519,483 | 1,765,344 | 1,215,508 |
| 2010 | $3,875,395 | 2,721,598 | 1,354,850 |
| 2011 | $4,677,015 | 3,266,459 | 1,356,342 |
Note: Quantity represents No Quantity
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