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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,864 | 1,311 | 1,311 |
| 2006 | $6,154 | 1,657 | 1,657 |
| 2007 | $9,259 | 918 | 918 |
| 2008 | $14,211 | 1,332 | 1,332 |
| 2009 | $26,885 | 4,422 | 4,422 |
| 2010 | $20,459 | 3,270 | 3,270 |
| 2011 | $17,668 | 2,778 | 2,778 |
Note: Quantity represents Weight in kilograms
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