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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,116 | 10,000 | 10,000 |
| 2006 | $1,697 | 1,225 | 1,225 |
| 2007 | $2,272 | 920 | 920 |
| 2008 | $99,152 | 135,264 | 135,264 |
| 2009 | $66,461 | 67,275 | 67,275 |
| 2010 | $174,739 | 256,563 | 256,563 |
| 2011 | $246,247 | 336,590 | 336,590 |
Note: Quantity represents Weight in kilograms
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