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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,700 | 74,740 | 74,740 |
| 2006 | $10,600 | 11,812 | 11,812 |
| 2007 | $100 | 1 | 1 |
| 2008 | $40,500 | 71,975 | 71,975 |
| 2009 | $187,300 | 350,087 | 350,087 |
| 2010 | $85,900 | 204,245 | 204,245 |
| 2011 | $1,764,100 | 2,957,407 | 2,957,407 |
Note: Quantity represents Weight in kilograms
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