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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,481 | 4,130 | 4,130 |
| 2006 | $20,853 | 8,792 | 8,792 |
| 2007 | $10,000 | 3,305 | 3,305 |
| 2008 | $10,363 | 31,240 | 31,240 |
| 2009 | $3,603 | 7,100 | 7,100 |
| 2010 | $19,393 | 4,517 | 4,517 |
| 2011 | $7,140 | 1,600 | 1,600 |
Note: Quantity represents Weight in kilograms
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