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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,000 | 37,300 | 37,300 |
| 2006 | $46,000 | 331,900 | 331,900 |
| 2007 | $455,000 | 600,600 | 600,600 |
| 2008 | $106,000 | 97,300 | 97,300 |
| 2009 | $278,000 | 224,500 | 224,500 |
| 2010 | $140,000 | 435,000 | 435,000 |
| 2011 | $84,000 | 85,400 | 85,400 |
Note: Quantity represents Weight in kilograms
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