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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,475 | 11,701 | 11,701 |
| 2006 | $20,866 | 14,226 | 14,226 |
| 2007 | $32,724 | 22,111 | 22,111 |
| 2008 | $23,090 | 11,319 | 11,319 |
| 2009 | $41,436 | 22,586 | 22,586 |
| 2010 | $57,214 | 43,789 | 43,789 |
| 2011 | $145,288 | 83,730 | 83,730 |
Note: Quantity represents Weight in kilograms
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