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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,052 | 3,213 | 3,213 |
| 2006 | $2,707 | 469 | 469 |
| 2007 | $25,854 | 34,571 | 34,571 |
| 2008 | $4,085 | 835 | 835 |
| 2009 | $10,235 | 5,220 | 5,220 |
| 2010 | $43,421 | 54,315 | 54,315 |
| 2011 | $158,927 | 149,492 | 149,492 |
Note: Quantity represents Weight in kilograms
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