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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,431 | 14,490 | 14,490 |
| 2006 | $33,025 | 17,048 | 17,048 |
| 2007 | $49,366 | 21,448 | 21,448 |
| 2008 | $91,220 | 31,312 | 31,312 |
| 2009 | $73,780 | 28,651 | 28,651 |
| 2010 | $68,137 | 24,151 | 24,151 |
| 2011 | $84,903 | 23,617 | 23,617 |
Note: Quantity represents Weight in kilograms
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