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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189,026 | 32,137 | 32,137 |
| 2006 | $173,848 | 29,556 | 29,556 |
| 2007 | $155,795 | 27,111 | 27,111 |
| 2008 | $149,286 | 24,537 | 24,537 |
| 2009 | $149,114 | 19,968 | 19,968 |
| 2010 | $107,547 | 15,225 | 15,225 |
| 2011 | $358,000 | 82,866 | 82,866 |
Note: Quantity represents Weight in kilograms
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