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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,467 | 35,316 | 35,316 |
| 2006 | $15,980 | 50,909 | 50,909 |
| 2007 | $21,562 | 45,378 | 45,378 |
| 2008 | $33,491 | 64,684 | 64,684 |
| 2009 | $27,636 | 27,512 | 27,512 |
| 2010 | $36,738 | 33,272 | 33,272 |
| 2011 | $36,870 | 41,090 | 41,090 |
Note: Quantity represents Weight in kilograms
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