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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $825,933 | 139,384,922 | 139,384,922 |
| 2006 | $763,986 | 137,065,281 | 137,065,281 |
| 2007 | $2,478,862 | 187,720,308 | 187,720,308 |
| 2008 | $2,870,147 | 87,491,092 | 87,491,092 |
| 2009 | $454,763 | 12,068,812 | 12,068,812 |
Note: Quantity represents Weight in kilograms
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