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| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $6,606,551 | 22,569,288 | 22,569,288 |
| 2008 | $156,758,641 | 398,693,890 | 398,693,890 |
| 2009 | $36,205,793 | 42,566,746 | 42,566,746 |
| 2010 | $75,961,084 | 76,989,183 | 76,989,183 |
| 2011 | $110,696,379 | 277,706,949 | 277,706,949 |
Note: Quantity represents Weight in kilograms
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