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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $153,711 | 6,343 | 6,343 |
| 2006 | $195,350 | 5,824 | 5,824 |
| 2007 | $240,631 | 7,205 | 7,205 |
| 2008 | $388,975 | 10,201 | 10,201 |
| 2009 | $272,928 | 10,177 | 10,177 |
| 2010 | $554,322 | 25,438 | 25,438 |
| 2011 | $405,176 | 13,469 | 13,469 |
Note: Quantity represents Weight in kilograms
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