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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,882 | 454 | 454 |
| 2006 | $4,216 | 1,190 | 1,190 |
| 2007 | $38,290 | 3,864 | 3,864 |
| 2008 | $146,912 | 6,357 | 6,357 |
| 2009 | $31,352 | 10,813 | 10,813 |
| 2010 | $47,441 | 1,904 | 1,904 |
| 2011 | $11,247 | 1,616 | 1,616 |
Note: Quantity represents Weight in kilograms
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