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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $440 | 12 | 12 |
| 2006 | $332 | 14 | 14 |
| 2007 | $600 | 9 | 9 |
| 2008 | $389 | 12 | 12 |
| 2009 | $1,197,225 | 1,317,563 | 1,317,563 |
| 2010 | $3,266,498 | 2,996,156 | 2,996,156 |
| 2011 | $12,047,991 | 12,046,493 | 12,046,493 |
Note: Quantity represents Weight in kilograms
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