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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,585 | 79,850 | 79,850 |
| 2006 | $57,022 | 160,000 | 160,000 |
| 2007 | $83,723 | 250,085 | 250,085 |
| 2008 | $76,468 | 238,900 | 238,900 |
| 2009 | $127,638 | 384,071 | 384,071 |
| 2010 | $169,918 | 631,500 | 631,500 |
Note: Quantity represents Weight in kilograms
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