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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $42,920 | 31,576 | 31,576 |
| 2006 | $275,422 | 446,231 | 446,231 |
| 2007 | $3,260,114 | 6,182,229 | 6,182,229 |
| 2008 | $8,234,541 | 14,704,198 | 14,704,198 |
| 2009 | $5,966,076 | 17,918,986 | 17,918,986 |
| 2010 | $4,204,184 | 10,269,384 | 10,269,384 |
| 2011 | $7,258,318 | 13,387,179 | 13,387,179 |
Note: Quantity represents Weight in kilograms
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