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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,500 | 10,143 | 10,143 |
| 2006 | $15,000 | 33,925 | 33,925 |
| 2007 | $19,200 | 32,840 | 32,840 |
| 2008 | $49,700 | 44,181 | 44,181 |
| 2009 | $17,100 | 19,136 | 19,136 |
| 2010 | $504,100 | 676,094 | 676,094 |
| 2011 | $492,800 | 662,192 | 662,192 |
Note: Quantity represents Weight in kilograms
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