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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,403 | 95,815 | 95,815 |
| 2006 | $10,129 | 94,200 | 94,200 |
| 2007 | $5,258 | 47,650 | 47,650 |
| 2008 | $146,240 | 813,725 | 813,725 |
| 2009 | $93,714 | 659,010 | 659,010 |
| 2010 | $29,066 | 204,795 | 204,795 |
| 2011 | $62,428 | 373,550 | 373,550 |
Note: Quantity represents Weight in kilograms
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