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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,000 | 37,000 | 37,000 |
| 2006 | $32,000 | 78,200 | 78,200 |
| 2007 | $63,000 | 2,401,000 | 2,401,000 |
| 2008 | $923,000 | 17,143,100 | 17,143,100 |
| 2009 | $2,187,000 | 19,144,800 | 19,144,800 |
| 2010 | $1,640,000 | 14,478,900 | 14,478,900 |
| 2011 | $2,137,000 | 41,909,500 | 41,909,500 |
Note: Quantity represents Weight in kilograms
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