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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,756 | 28,964 | 28,964 |
| 2006 | $11,484 | 10,218 | 10,218 |
| 2007 | $21,135 | 20,130 | 20,130 |
| 2008 | $13,505 | 11,371 | 11,371 |
| 2009 | $9,258 | 7,353 | 7,353 |
| 2010 | $28,719 | 19,291 | 19,291 |
| 2011 | $46,219 | 33,084 | 33,084 |
Note: Quantity represents Weight in kilograms
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