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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,168 | 4,837 | 4,837 |
| 2006 | $1,175 | 353 | 353 |
| 2007 | $2,860 | 738 | 738 |
| 2008 | $3,854 | 1,144 | 1,144 |
| 2009 | $10,087 | 4,322 | 4,322 |
| 2010 | $61,371 | 31,497 | 31,497 |
| 2011 | $28,872 | 12,597 | 12,597 |
Note: Quantity represents Weight in kilograms
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