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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $467 | 205 | 205 |
| 2006 | $181 | 4,781 | 4,781 |
| 2007 | $34,664 | 252,000 | 252,000 |
| 2008 | $136,986 | 518,390 | 518,390 |
| 2009 | $3,831,152 | 9,711,147 | 9,711,147 |
| 2010 | $5,690,615 | 14,994,428 | 14,994,428 |
| 2011 | $670,758 | 2,805,324 | 2,805,324 |
Note: Quantity represents Weight in kilograms
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