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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,783 | 6,980 | 6,980 |
| 2006 | $1,137 | 730 | 730 |
| 2007 | $31,796 | 51,825 | 51,825 |
| 2008 | $102,401 | 144,390 | 144,390 |
| 2009 | $167 | 250 | 250 |
| 2010 | $853 | 2,250 | 2,250 |
| 2011 | $21,416 | 40,500 | 40,500 |
Note: Quantity represents Weight in kilograms
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