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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,597 | 978 | 978 |
| 2006 | $3,150 | 964 | 964 |
| 2007 | $7,743 | 732 | 732 |
| 2008 | $7,162 | 70,582 | 70,582 |
| 2009 | $26,572 | 69,233 | 69,233 |
| 2010 | $137,760 | 296,817 | 296,817 |
| 2011 | $101,412 | 161,443 | 161,443 |
Note: Quantity represents Weight in kilograms
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