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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $197,790,529 | 13,375,871 | 13,375,871 |
| 2006 | $332,667,037 | 14,324,289 | 14,324,289 |
| 2007 | $523,679,441 | 14,256,700 | 14,256,700 |
| 2008 | $301,175,046 | 13,459,553 | 13,459,553 |
| 2009 | $170,674,341 | 11,882,408 | 11,882,408 |
| 2010 | $199,095,511 | 9,199,266 | 9,199,266 |
| 2011 | $224,873,220 | 9,638,213 | 9,638,213 |
Note: Quantity represents Weight in kilograms
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