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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,000 | 10,565 | 10,565 |
| 2006 | $36,000 | 23,771 | 23,771 |
| 2007 | $62,000 | 32,192 | 32,192 |
| 2008 | $109,000 | 50,228 | 50,228 |
| 2009 | $164,000 | 59,337 | 59,337 |
| 2010 | $244,000 | 77,952 | 77,952 |
| 2011 | $174,000 | 70,417 | 70,417 |
Note: Quantity represents Weight in kilograms
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