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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,508 | 6,667 | 6,667 |
| 2006 | $9,113 | 13,979 | 13,979 |
| 2007 | $18,496 | 24,021 | 24,021 |
| 2008 | $37,692 | 56,595 | 56,595 |
| 2009 | $3,002 | 1,470 | 1,470 |
| 2010 | $809 | 1,323 | 1,323 |
| 2011 | $2,356 | 1,584 | 1,584 |
Note: Quantity represents Weight in kilograms
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