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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $81,865 | 9,419 | 9,419 |
| 2006 | $72,889 | 4,783 | 4,783 |
| 2007 | $647,133 | 12,926 | 12,926 |
| 2008 | $309,777 | 7,197 | 7,197 |
| 2009 | $352,454 | 8,564 | 8,564 |
| 2010 | $1,464,061 | 24,645 | 24,645 |
| 2011 | $1,337,638 | 17,400 | 17,400 |
Note: Quantity represents Weight in kilograms
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