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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $360 | 220 | 220 |
| 2006 | $10,164 | 6,285 | 6,285 |
| 2007 | $45,969 | 30,474 | 30,474 |
| 2008 | $33,118 | 12,157 | 12,157 |
| 2009 | $8,105 | 6,940 | 6,940 |
| 2010 | $12,743 | 22,565 | 22,565 |
| 2011 | $31,964 | 65,213 | 65,213 |
Note: Quantity represents Weight in kilograms
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