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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,300 | 8,432 | 8,432 |
| 2006 | $7,621 | 4,540 | 4,540 |
| 2007 | $6,531 | 3,731 | 3,731 |
| 2008 | $18,128 | 5,825 | 5,825 |
| 2009 | $18,660 | 7,467 | 7,467 |
| 2010 | $32,148 | 12,477 | 12,477 |
| 2011 | $42,737 | 15,534 | 15,534 |
Note: Quantity represents Weight in kilograms
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