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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,182 | 3,712 | 3,712 |
| 2006 | $28,748 | 15,920 | 15,920 |
| 2007 | $30,282 | 14,220 | 14,220 |
| 2008 | $43,827 | 18,135 | 18,135 |
| 2009 | $55,531 | 29,410 | 29,410 |
| 2010 | $41,405 | 22,405 | 22,405 |
| 2011 | $86,418 | 40,197 | 40,197 |
Note: Quantity represents Weight in kilograms
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