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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,321 | 289 | 289 |
| 2006 | $18,648 | 2,470 | 2,470 |
| 2007 | $12,971 | 2,802 | 2,802 |
| 2008 | $33,558 | 2,550 | 2,550 |
| 2009 | $14,710 | 1,885 | 1,885 |
| 2010 | $32,232 | 3,527 | 3,527 |
| 2011 | $17,739 | 2,371 | 2,371 |
Note: Quantity represents Weight in kilograms
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