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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $339,288 | 862,757 | 862,757 |
| 2006 | $105,716 | 268,820 | 268,820 |
| 2007 | $65,252 | 51,044 | 51,044 |
| 2008 | $26,028 | 16,758 | 16,758 |
| 2009 | $153,185 | 164,126 | 164,126 |
| 2010 | $187,160 | 261,862 | 261,862 |
Note: Quantity represents Weight in kilograms
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