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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,528 | 18,906 | 18,906 |
| 2006 | $10,428 | 10,887 | 10,887 |
| 2007 | $22,955 | 22,939 | 22,939 |
| 2008 | $36,523 | 26,919 | 26,919 |
| 2009 | $26,440 | 18,092 | 18,092 |
| 2010 | $47,390 | 23,501 | 23,501 |
| 2011 | $17,454 | 6,032 | 6,032 |
Note: Quantity represents Weight in kilograms
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