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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,000 | 1,070 | 1,070 |
| 2006 | $11,000 | 11,765 | 11,765 |
| 2007 | $27,000 | 28,821 | 28,821 |
| 2008 | $21,000 | 22,098 | 22,098 |
| 2009 | $5,000 | 763 | 763 |
| 2010 | $25,000 | 3,917 | 3,917 |
| 2011 | $56,000 | 45,985 | 45,985 |
Note: Quantity represents Weight in kilograms
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