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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,617 | 18,784 | 18,784 |
| 2006 | $27,431 | 16,442 | 16,442 |
| 2007 | $34,809 | 27,793 | 27,793 |
| 2008 | $20,312 | 10,552 | 10,552 |
| 2009 | $25,817 | 9,464 | 9,464 |
| 2010 | $8,645 | 5,419 | 5,419 |
| 2011 | $4,077 | 959 | 959 |
Note: Quantity represents Weight in kilograms
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