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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,620 | 840 | 840 |
| 2006 | $365 | 120 | 120 |
| 2007 | $7,370 | 7,344 | 7,344 |
| 2008 | $34,059 | 41,915 | 41,915 |
| 2009 | $121,441 | 102,031 | 102,031 |
| 2010 | $712,909 | 596,820 | 596,820 |
| 2011 | $634,225 | 523,234 | 523,234 |
Note: Quantity represents Weight in kilograms
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