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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,790 | 14,262 | 14,262 |
| 2006 | $23,367 | 5,426 | 5,426 |
| 2007 | $35,092 | 11,753 | 11,753 |
| 2008 | $74,040 | 45,236 | 45,236 |
| 2009 | $181,808 | 77,891 | 77,891 |
| 2010 | $171,514 | 68,264 | 68,264 |
| 2011 | $160,240 | 77,712 | 77,712 |
Note: Quantity represents Weight in kilograms
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