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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,792 | 428 | 428 |
| 2006 | $7,722 | 1,189 | 1,189 |
| 2007 | $56,569 | 222,683 | 222,683 |
| 2008 | $27,356 | 148,332 | 148,332 |
| 2009 | $38,908 | 200,939 | 200,939 |
| 2010 | $278,024 | 1,443,136 | 1,443,136 |
| 2011 | $96,233 | 370,867 | 370,867 |
Note: Quantity represents Weight in kilograms
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