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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,427 | 16,347 | 16,347 |
| 2006 | $34,192 | 9,786 | 9,786 |
| 2007 | $47,736 | 10,365 | 10,365 |
| 2008 | $74,316 | 18,372 | 18,372 |
| 2009 | $61,699 | 14,428 | 14,428 |
| 2010 | $76,432 | 20,395 | 20,395 |
| 2011 | $38,604 | 14,570 | 14,570 |
Note: Quantity represents Weight in kilograms
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