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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $62,908 | 29,348 | 29,348 |
| 2006 | $12,027 | 33,243 | 33,243 |
| 2007 | $197,749 | 252,500 | 252,500 |
| 2008 | $226,793 | 276,391 | 276,391 |
| 2009 | $175,793 | 200,809 | 200,809 |
| 2010 | $271,926 | 137,193 | 137,193 |
| 2011 | $193,380 | 275,602 | 275,602 |
Note: Quantity represents Weight in kilograms
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