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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $483,725 | 220,644 | 220,644 |
| 2006 | $409,996 | 233,257 | 233,257 |
| 2007 | $423,974 | 203,597 | 203,597 |
| 2008 | $848,134 | 278,254 | 278,254 |
| 2009 | $49,806 | 26,016 | 26,016 |
| 2010 | $493,709 | 179,690 | 179,690 |
| 2011 | $15,587 | 1,468 | 1,468 |
Note: Quantity represents Weight in kilograms
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