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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $154,800 | 21,651 | 21,651 |
| 2006 | $299,500 | 52,226 | 52,226 |
| 2007 | $376,000 | 70,481 | 70,481 |
| 2008 | $358,600 | 71,684 | 71,684 |
| 2009 | $237,300 | 62,227 | 62,227 |
| 2010 | $445,500 | 110,812 | 110,812 |
| 2011 | $360,400 | 98,206 | 98,206 |
Note: Quantity represents Weight in kilograms
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