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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $392 | 1,140 | 1,140 |
| 2006 | $1,618 | 4,620 | 4,620 |
| 2007 | $5,022 | 4,895 | 4,895 |
| 2008 | $5,525 | 14,027 | 14,027 |
| 2009 | $398 | 780 | 780 |
| 2010 | $11,071 | 25,506 | 25,506 |
| 2011 | $25,644 | 42,281 | 42,281 |
Note: Quantity represents Weight in kilograms
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