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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $58,279 | 10,000 | 10,000 |
| 2006 | $49,432 | 1,783 | 1,783 |
| 2007 | $42,568 | 1,348 | 1,348 |
| 2008 | $113,481 | 4,423 | 4,423 |
| 2009 | $108,046 | 1,375 | 1,375 |
| 2010 | $165,213 | 2,120 | 2,120 |
| 2011 | $165,602 | 18,088 | 18,088 |
Note: Quantity represents Weight in kilograms
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