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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $471,161 | 549,547 | 549,547 |
| 2006 | $3,769 | 141 | 141 |
| 2007 | $263,524 | 115,220 | 115,220 |
| 2008 | $576,133 | 162,683 | 162,683 |
| 2009 | $945,724 | 333,111 | 333,111 |
| 2010 | $1,315,163 | 634,962 | 634,962 |
Note: Quantity represents Weight in kilograms
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