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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,165 | 10,016 | 10,016 |
| 2006 | $39,480 | 13,707 | 13,707 |
| 2007 | $14,864 | 3,497 | 3,497 |
| 2008 | $95,322 | 35,532 | 35,532 |
| 2009 | $221,567 | 50,438 | 50,438 |
| 2010 | $2,685 | 912 | 912 |
| 2011 | $6,178 | 21,610 | 21,610 |
Note: Quantity represents Weight in kilograms
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