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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $214 | 15 | 15 |
| 2006 | $28,359 | 30,659 | 30,659 |
| 2007 | $29,120 | 11,849 | 11,849 |
| 2008 | $64,565 | 26,751 | 26,751 |
| 2009 | $98,174 | 46,674 | 46,674 |
| 2010 | $92,871 | 33,238 | 33,238 |
| 2011 | $130,599 | 33,546 | 33,546 |
Note: Quantity represents Weight in kilograms
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