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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,488 | 1,433 | 1,433 |
| 2006 | $7,084 | 1,071 | 1,071 |
| 2007 | $11,040 | 1,513 | 1,513 |
| 2008 | $10,156 | 1,148 | 1,148 |
| 2009 | $14,554 | 1,985 | 1,985 |
| 2010 | $8,099 | 943 | 943 |
| 2011 | $33,338 | 27,449 | 27,449 |
Note: Quantity represents Weight in kilograms
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