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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $494 | 2,086 | 2,086 |
| 2006 | $1,840 | 5,264 | 5,264 |
| 2007 | $14,147 | 29,560 | 29,560 |
| 2008 | $28,327 | 16,035 | 16,035 |
| 2009 | $1,061 | 1,181 | 1,181 |
| 2010 | $16,131 | 8,489 | 8,489 |
| 2011 | $36,211 | 4,804 | 4,804 |
Note: Quantity represents Weight in kilograms
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