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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $988,615 | 322,029 | 322,029 |
| 2006 | $962,035 | 296,820 | 296,820 |
| 2007 | $888,790 | 287,765 | 287,765 |
| 2008 | $1,896,504 | 523,605 | 523,605 |
| 2009 | $2,514,148 | 721,198 | 721,198 |
| 2010 | $2,840,892 | 528,028 | 528,028 |
| 2011 | $2,888,326 | 772,217 | 772,217 |
Note: Quantity represents Weight in kilograms
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