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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,557 | 8,368 | 8,368 |
| 2006 | $7,210 | 11,079 | 11,079 |
| 2007 | $4,586 | 4,985 | 4,985 |
| 2008 | $8,492 | 10,898 | 10,898 |
| 2009 | $21,890 | 25,015 | 25,015 |
| 2010 | $12,730 | 0 | 0 |
| 2011 | $14,919 | 14,898 | 14,898 |
Note: Quantity represents Weight in kilograms
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