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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,359 | 122 | 122 |
| 2006 | $36,896 | 424 | 424 |
| 2007 | $148,963 | 1,073 | 1,073 |
| 2008 | $147,528 | 1,670 | 1,670 |
| 2009 | $329,637 | 1,667 | 1,667 |
| 2010 | $319,464 | 1,809 | 1,809 |
| 2011 | $215,497 | 2,226 | 2,226 |
Note: Quantity represents Weight in kilograms
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