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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,039 | 27,948 | 27,948 |
| 2006 | $82,235 | 56,660 | 56,660 |
| 2007 | $157,450 | 109,738 | 109,738 |
| 2008 | $240,834 | 123,303 | 123,303 |
| 2009 | $150,853 | 49,505 | 49,505 |
| 2010 | $122,974 | 30,682 | 30,682 |
| 2011 | $102,270 | 32,849 | 32,849 |
Note: Quantity represents Weight in kilograms
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