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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,681 | 15,000 | 15,000 |
| 2006 | $39,428 | 10,980 | 10,980 |
| 2007 | $61,500 | 15,160 | 15,160 |
| 2008 | $54,778 | 13,000 | 13,000 |
| 2009 | $90,812 | 26,400 | 26,400 |
| 2010 | $94,283 | 21,055 | 21,055 |
| 2011 | $2,797 | 25 | 25 |
Note: Quantity represents Weight in kilograms
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