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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,951 | 14,086 | 14,086 |
| 2006 | $47,227 | 46,941 | 46,941 |
| 2007 | $39,270 | 36,139 | 36,139 |
| 2008 | $246,027 | 492,942 | 492,942 |
| 2009 | $243,315 | 121,409 | 121,409 |
| 2010 | $161,634 | 45,945 | 45,945 |
| 2011 | $106,623 | 82,998 | 82,998 |
Note: Quantity represents Weight in kilograms
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