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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,073 | 333 | 333 |
| 2006 | $2,168 | 150 | 150 |
| 2007 | $29,077 | 1,061 | 1,061 |
| 2008 | $81,494 | 34,854 | 34,854 |
| 2009 | $191,802 | 22,890 | 22,890 |
| 2010 | $76,780 | 20,823 | 20,823 |
| 2011 | $25,385 | 8,386 | 8,386 |
Note: Quantity represents Weight in kilograms
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