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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,682 | 1,374 | 1,374 |
| 2006 | $15,347 | 330 | 330 |
| 2007 | $22,249 | 1,240 | 1,240 |
| 2008 | $28,742 | 1,580 | 1,580 |
| 2009 | $26,390 | 1,325 | 1,325 |
| 2010 | $23,571 | 1,697 | 1,697 |
| 2011 | $45,645 | 4,078 | 4,078 |
Note: Quantity represents Weight in kilograms
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