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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,700 | 18,814 | 18,814 |
| 2006 | $30,780 | 21,688 | 21,688 |
| 2007 | $15,274 | 10,028 | 10,028 |
| 2008 | $1,840 | 1,044 | 1,044 |
| 2009 | $76,671 | 170,989 | 170,989 |
| 2010 | $7,356 | 3,273 | 3,273 |
| 2011 | $13,228 | 5,114 | 5,114 |
Note: Quantity represents Weight in kilograms
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