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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,665 | 1,780 | 1,780 |
| 2006 | $3,371 | 4,896 | 4,896 |
| 2007 | $2,506 | 15,698 | 15,698 |
| 2008 | $28,590 | 9,480 | 9,480 |
| 2009 | $114,439 | 49,681 | 49,681 |
| 2010 | $36,934 | 28,297 | 28,297 |
| 2011 | $19,321 | 20,468 | 20,468 |
Note: Quantity represents Weight in kilograms
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