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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $404,416 | 664,318 | 664,318 |
| 2006 | $996,796 | 549,013 | 549,013 |
| 2007 | $1,257,674 | 667,911 | 667,911 |
| 2008 | $32,021 | 106,814 | 106,814 |
| 2009 | $218,386 | 533,692 | 533,692 |
| 2010 | $347,919 | 358,797 | 358,797 |
| 2011 | $188,884 | 163,844 | 163,844 |
Note: Quantity represents Weight in kilograms
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