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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $410,658 | 16,124 | 16,124 |
| 2006 | $494,749 | 19,434 | 19,434 |
| 2007 | $642,011 | 24,255 | 24,255 |
| 2008 | $572,926 | 24,608 | 24,608 |
| 2009 | $454,608 | 25,728 | 25,728 |
| 2010 | $528,044 | 25,225 | 25,225 |
| 2011 | $606,968 | 34,627 | 34,627 |
Note: Quantity represents Weight in kilograms
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