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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,879 | 34,310 | 34,310 |
| 2006 | $24,397 | 28,950 | 28,950 |
| 2007 | $51,425 | 62,165 | 62,165 |
| 2008 | $24,737 | 9,299 | 9,299 |
| 2009 | $92,273 | 51,607 | 51,607 |
| 2010 | $94,063 | 45,028 | 45,028 |
| 2011 | $74,879 | 30,267 | 30,267 |
Note: Quantity represents Weight in kilograms
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