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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,550,003 | 154,127,633 | 154,127,633 |
| 2006 | $39,637,208 | 171,847,779 | 171,847,779 |
| 2007 | $62,846,940 | 299,532,680 | 299,532,680 |
| 2008 | $97,950,460 | 461,876,057 | 461,876,057 |
| 2009 | $92,330,018 | 332,764,214 | 332,764,214 |
| 2010 | $104,204,702 | 417,926,444 | 417,926,444 |
| 2011 | $119,815,158 | 527,579,743 | 527,579,743 |
Note: Quantity represents Weight in kilograms
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