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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,024,676 | 14,310,002 | 14,310,002 |
| 2006 | $22,782,892 | 12,315,912 | 12,315,912 |
| 2007 | $25,130,321 | 12,125,470 | 12,125,470 |
| 2008 | $35,888,398 | 15,413,940 | 15,413,940 |
| 2009 | $113,900,714 | 19,466,528 | 19,466,528 |
| 2010 | $27,388,146 | 16,376,178 | 16,376,178 |
Note: Quantity represents Weight in kilograms
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