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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,244 | 6,732 | 6,732 |
| 2006 | $6,846 | 20,770 | 20,770 |
| 2007 | $559 | 89 | 89 |
| 2008 | $1,849,482 | 135,956,741 | 135,956,741 |
| 2009 | $2,992,691 | 504,795,587 | 504,795,587 |
| 2010 | $219,696 | 18,055,809 | 18,055,809 |
| 2011 | $1,874 | 132 | 132 |
Note: Quantity represents Weight in kilograms
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