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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,571 | 13,145,183 | 13,145,183 |
| 2007 | $2,484,513 | 963,521,844 | 963,521,844 |
| 2008 | $117,592,342 | 5,468,439,680 | 5,468,439,680 |
| 2009 | $34,825,179 | 6,614,123,043 | 6,614,123,043 |
| 2010 | $595,436 | 272,800,000 | 272,800,000 |
Note: Quantity represents Weight in kilograms
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