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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $72,911 | 12,103 | 12,103 |
| 2006 | $35,617 | 17,150 | 17,150 |
| 2007 | $12,148 | 1,970 | 1,970 |
| 2008 | $11,066 | 479 | 479 |
| 2009 | $215,875 | 7,211 | 7,211 |
| 2010 | $523,048 | 11,415 | 11,415 |
| 2011 | $44,637 | 906 | 906 |
Note: Quantity represents Weight in kilograms
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