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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $200 | 78 | 78 |
| 2006 | $5,800 | 2,346 | 2,346 |
| 2007 | $29,800 | 35,959 | 35,959 |
| 2008 | $83,400 | 40,600 | 40,600 |
| 2009 | $136,200 | 65,037 | 65,037 |
| 2010 | $1,327,900 | 600,276 | 600,276 |
| 2011 | $1,378,100 | 560,990 | 560,990 |
Note: Quantity represents Weight in kilograms
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