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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,282 | 2,718 | 2,718 |
| 2006 | $5,352 | 6,373 | 6,373 |
| 2007 | $12,206 | 13,340 | 13,340 |
| 2008 | $33,271 | 31,777 | 31,777 |
| 2009 | $7,902 | 7,023 | 7,023 |
| 2010 | $6,927 | 9,678 | 9,678 |
| 2011 | $33,000 | 13,103 | 13,103 |
Note: Quantity represents Weight in kilograms
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